Carrier 50RTP03-20 User Manual

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Rooftop Water Source Heat Pumps

with PURON

Refrigerant (R-410A)

Installation, Start-Up, and

Service Instructions

AQUAZONE™

50RTP03-20

CONTENTS

Page

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . .1,2

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34

Step 1 — Check Jobsite . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 2 — Check Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

• STORAGE

•PROTECTION

•INSPECT UNIT

Step 3 — Locate Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Step 4 — Mount the Unit . . . . . . . . . . . . . . . . . . . . . . . . . 8

Step 5 — Install Condensate Drain . . . . . . . . . . . . . . . 8

Step 6 — Make Piping Connections . . . . . . . . . . . . . . 8

• WATER LOOP APPLICATIONS

• GROUND-WATER APPLICATIONS

• GROUND-LOOP APPLICATIONS

Step 7 — Connect Electrical Wiring . . . . . . . . . . . . . . 9

• SUPPLY VOLTAGE

• 208-VOLT OPERATION

• BLOWER SELECTION

Step 8 — Connect Low Voltage Wiring . . . . . . . . . . 34

• THERMOSTAT CONNECTIONS

• WATER FREEZE PROTECTION

• AIR COIL FREEZE PROTECTION

• ACCESSORY CONNECTIONS

• WATER SOLENOID VALVES

PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

System Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

FIELD SELECTABLE INPUTS . . . . . . . . . . . . . . . .35,36

Complete C Control Jumper Settings. . . . . . . . . . . 35

Complete C Control DIP Switches. . . . . . . . . . . . . . 35

Deluxe D Control Jumper Settings . . . . . . . . . . . . . 35

Deluxe D Control DIP Switches . . . . . . . . . . . . . . . . 35

Deluxe D Control Accessory Relay

Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Water Valve (Slow Opening) . . . . . . . . . . . . . . . . . . . 36

Outside-Air Damper (OAD) . . . . . . . . . . . . . . . . . . . . 36

START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36-40

Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Scroll Compressor Rotation. . . . . . . . . . . . . . . . . . . . . 37

Unit Start-Up Cooling Mode . . . . . . . . . . . . . . . . . . . . . 37

Unit Start-Up Heating Mode . . . . . . . . . . . . . . . . . . . . . 37

Unit Start-Up with WHSP Open Controls . . . . . . . . 38

Flow Regulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

System Claening and Flushing . . . . . . . . . . . . . . . . . . 39

Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Cooling Tower/Boiler Systems . . . . . . . . . . . . . . . . . . 40

Ground Coupled, Closed Loop and Plateframe

Heat Exchanger Well Systems . . . . . . . . . . . . . . . . 40

OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40-43

Power Up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Page

Units with Aquazone™ Complete C Control . . . . . 40

Units with Aquazone Deluxe D Control. . . . . . . . . . 40

Units with WSHP Open Protocol . . . . . . . . . . . . . . . . 40

SYSTEM TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43-45

Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Retry Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Aquazone Deluxe D Control LED Indicators . . . . . 45

WSHP Open Test Mode. . . . . . . . . . . . . . . . . . . . . . . . . . 45

SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45,46

Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Water Coil

Condensate Drain Pans . . . . . . . . . . . . . . . . . . . . . . . . . 45

Refrigerant System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Condensate Drain Cleaning . . . . . . . . . . . . . . . . . . . . . 45

Air Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Condenser Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Checking System Charge . . . . . . . . . . . . . . . . . . . . . . . 46

Refrigerant Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Air Coil Fan Motor Removal . . . . . . . . . . . . . . . . . . . . . 46

Replacing the WSHP Open Controller’s

Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . 47-49

Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Control Sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

APPENDIX A — WSHP OPEN SCREEN

CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . 50-55

START-UP CHECKLIST . . . . . . . . . . . . . . . . . . CL-1, CL-2

IMPORTANT: Read the entire instruction manual before starting installation.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can be hazardous due to system pressure and electrical components. Only trained and qualified service personnel should install, repair, or service air-conditioning equipment.

Untrained personnel can perform basic maintenance functions of cleaning coils and filters and replacing filters. All other operations should be performed by trained service personnel. When working on air-conditioning equipment, observe precautions in the literature, tags and labels attached to the unit, and other safety precautions that may apply.

Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock or other conditions which may cause personal injury or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use factory-authorized kits or accessories when modifying this product. Refer to the individual instructions packaged with the kits or accessories when installing.

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53500070-01 Printed in U.S.A. Form 50RTP-1SI Pg 1 7-10 Replaces: New

Follow all safety codes. Wear safety glasses and work gloves. Use quenching cloth for brazing operations. Have fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions attached to the unit. Consult local building codes and the National Electrical Code (NEC) for special installation requirements.

Understand the signal words — DANGER, WARNING, and CAUTION. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards that could result in personal injury or death. CAUTION is used to identify unsafe practices, which would result in minor personal injury or product and property damage.

Recognize safety information. This is the safety-alert symbol ( ). When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury.

WARNING

Electrical shock can cause personal injury and death. Shut off all power to this equipment during installation. There may be more than one disconnect switch. Tag all disconnect locations to alert others not to restore power until work is completed.

CAUTION

This system uses R-410A, which has higher pressures than R-22 and other refrigerants. No other refrigerant may be used in this system. Suction tubing design pressure is 445 psig (3068 kPa) and liquid tubing design pressure is 656 psig (4522 kPa). Failure to use gage set, hoses, and recovery systems designed to handle R-410A refrigerant may result in personal injury and equipment damage. If unsure about equipment, consult the equipment manufacturer.

GENERAL

This Installation and Start-Up Instructions literature is for Aquazone™ rooftop water source heat pump systems.

Rooftop water source heat pumps (WSHP) are single-package outdoor units with electronic controls designed for yearround cooling and heating.

IMPORTANT: The installation of water source heat pump units and all associated components, parts, and accessories which make up the installation shall be in accordance with the regulations of ALL authorities having jurisdiction and MUST conform to all applicable codes. It is the responsibility of the installing contractor to determine and comply with ALL applicable codes and regulations.

INSTALLATION

Step 1 — Check Jobsite —

maintenance instructions are provided with each unit. Before unit start-up, read all manuals and become familiar with the unit and its operation. Thoroughly check out the system before operation. Complete the inspections and instructions listed below to prepare a unit for installation. See Table 1 for unit physical data.

Installation, operation and

CAUTION

To avoid equipment damage, do not use these units as a source of heating or cooling during the construction process. The mechanical components and filters used in these units quickly becomes clogged with construction dirt and debris which may cause system damage.

Step 2 — Check Unit — Upon receipt of shipment at

the jobsite, carefully check the shipment against the bill of lading. Make sure all units have been received. Inspect the carton or crating of each unit, and inspect each unit for damage. Ensure the shipping company makes proper notation of any shortages or damage on all copies of the freight bill. Concealed damage not discovered during unloading must be reported to the shipping company within 15 days of receipt of shipment.

NOTE: It is the responsibility of the purchaser to file all necessary claims with the shipping company.

1. Verify unit is correct model for entering water temperature of job.

2. Be sure to provide freeze protection for piping, as required. Well water applications are especially susceptible to freezing.

3. Be sure the installation location is isolated from sleeping areas, private offices and other acoustically sensitive spaces.

4. Check local codes to be sure a secondary drain pan is not required under the unit.

5. Be sure unit is mounted at a height sufficient to provide an adequate slope of the condensate lines. If an appropriate slope cannot be achieved, a field-supplied condensate pump may be required.

6. Provide sufficient space for duct connection.

7. Provide adequate clearance for filter replacement and drain pan cleaning. Do not allow piping, conduit, etc. to block filter access.

8. Provide sufficient access to allow maintenance and servicing of the fan and fan motor, compressor and coils.

9. Provide an unobstructed path to the unit. Space should be sufficient to allow removal of unit if necessary.

10. Provide ready access to water valves and fittings, and screwdriver access to unit side panels, discharge collar, and all electrical connections.

11. Where access to side panels is limited, pre-removal of the control box side mounting screws may be necessary for future servicing.

STORAGE — If the equipment is not installed immediately upon its arrival at the jobsite, it should be left in its shipping carton and stored in a clean, dry area of the building or in a warehouse. Units must be stored in an upright position at all times. If unit stacking is necessary, stack 50RTP03-10 units a maximum of 2 high. Do not stack units larger than 50RTP10. Do not remove any equipment from its shipping package until it is needed.

PROTECTION — Once the units are properly positioned on the jobsite, they must be covered with either a shipping carton, vinyl film, or an equivalent protective covering. Open ends of pipes stored on the jobsite must be capped. This precaution is especially important in areas where painting, plastering, or spraying of fireproof material, etc. is not yet complete. Foreign material that is allowed to accumulate within the units can prevent proper start-up and necessitate costly clean-up operations.

Before installing any of the system components, be sure to examine each pipe, fitting, and valve, and remove any dirt or foreign material found in or on these components.

5. Inspect all electrical connections. Be sure connections are

CAUTION

clean and tight at the terminals.

6. Compressors are internally spring-mounted. Compressors DO NOT store or install units in corrosive environments or in locations subject to temperature or humidity extremes (e.g., attics, garages, rooftops, etc.). Corrosive conditions and high temperature or humidity can significantly reduce performance, reliability, and service life. Always move units in an upright position. Tilting units on their sides may cause equipment damage.

equipped with external spring vibration isolators must have bolts loosened and shipping clamps removed.

7. Remove any blower support cardboard from inlet of the

blower if present.

8. Locate and verify any accessory kit located in compressor

section.

9. Remove any access panel screws that may be difficult to

INSPECT UNIT — To prepare the unit for installation, complete the procedures listed below:

1. Compare the electrical data on the unit nameplate with

ordering and shipping information to verify that the correct unit has been shipped.

2. Verify that the unit is the correct model for the entering

water temperature of the job.

3. Do not remove the packaging until the unit is ready for

installation.

4. Verify that the refrigerant tubing is free of kinks or dents,

and that it does not touch other unit components.

remove once unit is installed.

Step 3 — Locate Unit — The following guidelines

should be considered when choosing a location for WSHP. Refer to Fig. 1-3 for unit dimensional data. See Fig. 4 for accessory roof curb dimensional data.

• Provide sufficient space for water, electrical and duct connections

• Locate unit in an area that allows for easy access and removal of filter and access panels

• Allow enough space for service personnel to perform maintenance

Table 1 — Physical Data — Aquazone™ 50RTP03-20 Units

UNIT 50RTP 03 04 05 06 08 10 12 14 20 Compressor (qty) Scroll (1) Scroll (2) Factory Charge R-410A (oz) 64 84 120 132 108 120 130 192 300 Blower Motor Motor Quantity 1 Standard Motor (hp) 1111.523335 Large Motor (hp) N/A 1.5 1.5 2 3 5 5 5 7.5 Blower(s) Number of Blowers 12 Blower Wheel Size (dia x w) 10 x 6 2 x 12 15 x 11 15 x 15 15 x 11 V-belt size, Std drive A29 A30 A32 AX33 B40 BX42 BX46 B39 BX40 Water Connection Size IPT (in.) Coax Volume Volume (US Gallons) 0.61 0.77 1.11 1.30 1.69 2.29 2.68 3.83 4.77 Condensate Connection Size FPT (in.) 1 Air Coil Data Air Coil Total Face Area (sq ft) 5 7 9.33 10.5 20

Filter, Standard, Qty...Size (in.) 4...16 x 20 6...16 x 20

Operating Weight (lb) 735 785 835 880 1080 1125 1175 1770 1960 Shipping Weight (lb) 750 800 850 900 1100 1150 1200 1800 2000 Corner Weights (lb) Front-Left 184 196 208.5 224 292 303.5 320 479 530 Front-Right 259 276 293.5 298 380 395.5 406 623 690 Rear-Left 108.5 117 124.5 134 193 202 212.5 315 350 Rear-Right 183.5 196 208.5 224 215 224 236.5 353 390 Curb, Installed (lb) 83 94 128

IPT — Iron (National) Pipe Thread

11/

8...16 x 20,

2...20 x 20

NOTES:

1. All dimensions are in inches.

2. Carrier works continuously to improve its products. As a result, the design

and specification of each product at the time of order may be changed with-

out notice.

3. Assembly tolerances ±

inch.

A50-8267.eps

Fig. 1 — 50RTP03-06 Unit Dimensions

50RTP

UNITS

DIMENSIONS (in.)

Outside Air

Opening Size

Wate r

In/Out (FPT)

Condensate

Drain

03,04 12.57 x 30.00

05 12.57 x 30.00 1 1

06 12.57 x 30.00 1

NOTES:

1. All dimensions are in inches.

2. Carrier works continuously to improve its products. As a result, the design

and specification of each product at the time of order may be changed with-

out notice.

3. Assembly tolerances ±

inch.

A50-8268.eps

Fig. 2 — 50RTP08-12 Unit Dimensions

50RTP

UNITS

DIMENSIONS (in.)

Outside Air

Opening Size

Water

In/Out (FPT)

Condensate

Drain

08 18.95 x 36.00 1

10,12 18.95 x 36.00 1

Fig. 3 — 50RTP14,20 Unit Dimensions

NOTES:

1. All dimensions are in inches.

2. Carrier works continuously to improve its products. As a result, the design

and specification of each product at the time of order may be changed with-

out notice.

3. Assembly tolerances ±

inch.

A50-8269.eps

50RTP

UNITS

DIMENSIONS (in.)

Outside Air

Opening Size

Water

In/Out (FPT)

Condensate

Drain

14,20 18.95 x 74.00 2 1

Fig. 4 — 50RTP Roof Curb Dimensions

ROOF CURB

DIMENSIONS (in.)

ABCEF

Return Air Transition Supply Air Transition

Exterior

Dimensions

GH J K LM N P Q R

50RTPACURBAAAA 35.250 72.25 18.00 1.50 12.50 22.00 16.00 39.250 33.250 27.00 21.00 39.250 33.250 39.250 76.25

50RTPACURBBAAA 41.250 82.25 21.00 1.50 12.50 25.00 19.00 45.250 39.250 27.00 21.00 45.250 39.250 45.250 86.25

50RTPACURBCAAA 78.875 82.25 21.00 5.00 9.00 25.00 19.00 82.875 76.875 27.00 21.00 82.875 76.875 82.875 86.25

Step 4 — Mount the Unit — For proper operation,

FLASHING

ROOF

CURB

GASKET

50 RTP UNIT

Fig. 5 — 50RTP Curb Installation

units must be mounted on a roof curb as shown in Fig. 5. Roof curn dimensional data is shown in Fig. 4. Follow these guidelines when installing the roof curb:

1. Set unit on curb.

2. Align unit so that its return and supply air direction match the return and supply air opening in the roof curb frame.

3. Run both the return and supply loop piping, as well as the electrical supply line, through the pipe chase provided in the curb.

Step 5 — Install Condensate Drain

1. Install a condensate trap at each unit with the top of the trap positioned below the unit condensate drain connection.

2. Design the length of the trap (water seal) based on the amount of positive or negative pressure on the drain pan. As a rule, 1 in. of trap is required for each inch of negative pressure on the unit.

Note that condensate is allowed to drain onto the roof.

Step 6 — Make Piping Connections — Depend-

ing on the application, there are 3 types of WSHP piping systems to choose from: water loop, ground-water and ground loop. Refer to Piping Section of Carrier System Design Manual for additional information.

All WSHP units use low temperature soldered female pipe thread fittings for water connections to prevent annealing and out-of-round leak problems which are typically associated with high temperature brazed connections. Refer to Table 1 for connection sizes. When making piping connections, consider the following:

• Use a backup wrench when making screw connections to

unit to prevent internal damage to piping.

• Insulation may be required on piping to avoid condensa-

tion in the case where fluid in loop piping operates at

temperatures below dew point of adjacent air.

• Piping systems that contain steel pipes or fittings may

be subject to galvanic corrosion. Dielectric fittings may

be used to isolate the steel parts of the system to avoid

galvanic corrosion.

WATER LOOP APPLICATIONS — Water loop applications usually include a number of units plumbed to a common piping system. Maintenance to any of these units can introduce air into the piping system. Therefore, air elimination equipment comprises a major portion of the mechanical room plumbing.

The flow rate is usually set between 2.25 and 3 gpm per ton of cooling capacity. For proper maintenance and servicing, pressure-temperature (P/T) ports are necessary for temperature and flow verification.

In addition to complying with any applicable codes, consider the following for system piping:

• Piping systems utilizing water temperatures below

50 F require

/2-in. closed cell insulation on all piping

surfaces to eliminate condensation.

• All plastic to metal threaded fittings should be avoided

due to the potential to leak. Use a flange fitted substitute.

• Teflon tape thread sealant is recommended to minimize

internal fouling of the heat exchanger.

• Use backup wrench. Do not overtighten connections.

• Route piping to avoid service access areas to unit.

• The piping system should be flushed prior to operation to

remove dirt and foreign materials from the system.

GROUND-WATER APPLICATIONS — In addition to complying with any applicable codes, consider the following for system piping:

• Install shut-off valves for servicing.

• Install pressure-temperature plugs to measure flow and

temperature.

• Boiler drains and other valves should be connected using

a “T” connector to allow acid flushing for the heat

exchanger.

• Do not overtighten connections.

• Route piping to avoid service access areas to unit.

• Use PVC SCH80 or copper piping material. NOTE: PVC SCH40 should not be used due to system high

pressure and temperature extremes. Water Supply and Quantity

— Check water supply. Water supply should be plentiful and of good quality. See Table 2 for water quality guidelines.

IMPORTANT: Failure to comply with the above required water quality and quantity limitations and the closedsystem application design requirements may cause damage to the tube-in-tube heat exchanger that is not the responsibility of the manufacturer.

In all applications, the quality of the water circulated through the heat exchanger must fall within the ranges listed in the Water Quality Guidelines table. Consult a local water treatment firm, independent testing facility, or local water authority for specific recommendations to maintain water quality within the published limits.

GROUND-LOOP APPLICATIONS — Temperatures between 25 to 110 F and a cooling capacity of 2.25 to 3 gpm of flow per ton is recommended. In addition to complying with any applicable codes, consider the following for system piping:

• Piping materials should be limited to only polyethylene

fusion in the buried sections of the loop.

• Galvanized or steel fittings should not be used at any

time due to corrosion.

• All plastic to metal threaded fittings should be avoided

due to the potential to leak. Use a flange fitted substitute.

• Do not overtighten connections.

• Route piping to avoid service access areas to unit.

• Pressure-temperature (P/T) plugs should be used to mea-

sure flow of pressure drop.

Table 2 — Water Quality Guidelines

CONDITION

Scaling Potential — Primary Measurement

Above the given limits, scaling is likely to occur. Scaling indexes should be calculated using the limits below.

pH/Calcium Hardness Method

Index Limits for Probable Scaling Situations (Operation outside these limits is not recommended.)

Scaling indexes should be calculated at 150 F for direct use and HWG applications, and at 90 F for indirect HX use. A monitoring plan should be implemented.

Ryznar Stability Index

Langelier Saturation Index

Iron Fouling

(Ferrous)

Iron Fe (Bacterial Iron Potential)

Iron Fouling

Corrosion Prevention††

Hydrogen Sulfide (H

Ammonia Ion as Hydroxide, Chloride, Nitrate and Sulfate Compounds

Maximum Chloride Levels Maximum allowable at maximum water temperature.

Erosion and Clogging

Particulate Size and Erosion

HWG — Hot Water Generator HX — Heat Exchanger N/A — Design Limits Not Applicable Considering Recirculating

NR — Application Not Recommended SS — Stainless Steel

*Heat exchanger materials considered are copper, cupronickel, 304 SS (stainless

†Closed recirculating system is identified by a closed pressurized piping system.

**Recirculating open wells should observe the open recirculating design

Potable Water

steel), 316 SS, titanium.

considerations.

LEGEND

MATERIAL*

All N/A pH < 7.5 and Ca Hardness, <100 ppm

All N/A

All

All N/A

Copper N/A

CuproNickel N/A <150 ppm NR NR

304 SS N/A <400 ppm <250 ppm <150 ppm 316 SS N/A <1000 ppm <550 ppm <375 ppm

Titanium N/A >1000 ppm >550 ppm >375 ppm

All

CLOSED RECIRCULATING† OPEN LOOP AND RECIRCULATING WELL**

6.0 - 7.5

–0.5 to +0.5

<0.2 ppm (Ferrous)

<0.5 ppm of Oxygen

6 - 8.5

<0.5 ppm

6 - 8.5

Monitor/treat as needed.

<10 ppm of particles and a max-

imum velocity of 6 fps. Filtered

for maximum

800 micron size.

If >7.5 minimize steel pipe use.

Based upon 150 F HWG and direct well, 85 F indirect well HX.

If Fe

(ferrous) >0.2 ppm with pH 6 - 8, O2<5 ppm check for iron bacteria.

Minimize steel pipe below 7 and no open tanks with pH <8.

At H

S>0.2 ppm, avoid use of copper and cupronickel piping or HXs.

Copper alloy (bronze or brass) cast components are okay to <0.5 ppm.

50 F (10 C) 75 F (24 C) 100 F (38 C)

<20 ppm NR NR

<10 ppm (<1 ppm “sand free” for reinjection) of particles and a maximum velocity of 6 fps. Filtered for maximum 800 micron size. Any particulate that is not removed can potentially clog components.

††If the concentration of these corrosives exceeds the maximum allowable level,

then the potential for serious corrosion problems exists. Sulfides in the water quickly oxidize when exposed to air, requiring that no agitation occur as the sample is taken. Unless tested immediately at the site, the sample will require stabilization with a few drops of one Molar zinc acetate solution, allowing accurate sulfide determination up to 24 hours after sampling. A low pH and high alkalinity cause system problems, even when both values are within ranges shown. The term pH refers to the acidity, basicity, or neutrality of the water supply. Below 7.0, the water is considered to be acidic. Above 7.0, water is con-

sidered to be basic. Neutral water contains a pH of 7.0. NOTE: To convert ppm to grains per gallon, divide by 17. Hardness in mg/l is equivalent to ppm.

If <–0.5 minimize steel pipe use.

Above this level deposition will occur.

Rotten egg smell appears at 0.5 ppm level.

Step 7 — Connect Electrical Wiring

WARNING

CAUTION

Use only copper conductors for field-installed electrical wiring. Unit terminals are not designed to accept other types of conductors.

All field installed wiring, including the electrical ground, MUST comply with the National Electrical Code (NEC) as well as applicable local codes. In addition, all field wiring must conform to the Class II temperature limitations described in the NEC.

Refer to unit wiring diagrams in Fig. 6-16 for a schematic of the field connections which must be made by the installing (or electrical) contractor.

Consult the unit wiring diagram located on the inside of the compressor access panel to ensure proper electrical hookup. The installing (or electrical) contractor must make the field connections when using field-supplied disconnect.

Operating voltage must be the same voltage and phase as shown in electrical data shown in Table 3.

Make all final electrical connections with a length of flexible conduit to minimize vibration and sound transmission to the building.

SUPPLY VOLTAGE — Operating voltage to unit must be within voltage range indicated on unit nameplate.

On 3-phase units, voltages under load between phases must be balanced within 2%. Use the following formula to determine the percentage voltage imbalance:

% Voltage Imbalance

= 100 x

max voltage deviation from average voltage

average voltage

Example: Supply voltage is 460-3-60.

AB = 452 volts BC = 464 volts AC = 455 volts

Average Voltage =

452 + 464 + 455

1371

= 457

Determine maximum deviation from average voltage: (AB) 457 – 452 = 5 v

(BC) 464 – 457 = 7 v (AC) 457 – 455 = 2 v

Maximum deviation is 7 v. Determine percent voltage imbalance.

% Voltage Imbalance = 100 x

457

= 1.53%

This amount of phase imbalance is satisfactory as it is

below the maximum allowable 2%.

Operation on improper line voltage or excessive phase imbalance constitutes abuse and may cause damage to electrical components.

NOTE: If more than 2% voltage imbalance is present, contact local electric utility.

208-VOLT OPERATION — All 208-230 volt units are factory wired for 208 volts. The transformers may be switched to 230-volt operation (as illustrated on the wiring diagram) by switching the red (208 volt) wire with the orange (230 volt) wire at the L1 terminal.

BLOWER SELECTION — All water source heat pumps are factory set with the appropriate motor and sheave combination to achieve the desired airflow performance. Performance is selected by matching the desired performance with the appropriate region in Tables 4-12.

NOTE: Factory-installed sheaves are field adjustable. Refer to Tables 4-12 for adjustment points.

Table 3 — Electrical Data

50RTP

UNIT SIZE

VOLTAGE

CODE

5 208-3-60 197/254 A,B,C 1 10.4 73.0 1 4.0 1.0 14.4 17.0 25 6 460-3-60 414/506 A,B,C 1 5.8 38.0 1 2.0 1.0 7.8 9.3 15 1 575-3-60 518/633 A,B,C 1 3.8 36.5 1 1.4 1.0 5.2 6.2 15

5 208-3-60 197/254

6 460-3-60 414/506

1 575-3-60 518/633

5 208-3-60 197/254

6 460-3-60 414/506

1 575-3-60 518/633

5 208-3-60 197/254

6 460-3-60 414/506

1 575-3-60 518/633

5 208-3-60 197/254

6 460-3-60 414/506

1 575-3-60 518/633

5 208-3-60 197/254

6 460-3-60 414/506

1 575-3-60 518/633

5 208-3-60 197/254

6 460-3-60 414/506

1 575-3-60 518/633

VOLTAGE

(V-Ph-Hz)

MIN/MAX

VOLTAGE

BLOWER

OPTION

A,B,C 1 13.7 83.1 1 4.0 1.0 17.7 21.1 35

D,E 1 13.7 83.1 1 5.0 1.5 18.7 22.1 35

A,B,C 1 6.2 41.0 1 2.0 1.0 8.2 9.8 15

D,E 1 6.2 41.0 1 2.4 1.5 8.6 10.1 15

A,B,C 1 4.8 33.0 1 1.4 1.0 6.2 7.4 15

D,E 1 4.8 33.0 1 1.9 1.5 6.7 7.9 15

A,B,C 1 15.6 110.0 1 4.0 1.0 19.6 23.5 40

D,E 1 15.6 110.0 1 5.0 1.5 20.6 24.5 40

A,B,C 1 7.8 52.0 1 2.0 1.0 9.8 11.8 15

D,E 1 7.8 52.0 1 2.4 1.5 10.2 12.2 15

A,B,C 1 5.8 38.9 1 1.4 1.0 7.2 8.7 15

D,E 1 5.8 38.9 1 1.9 1.5 7.7 9.2 15

A,B,C 1 20.5 155.0 1 5.0 1.5 25.5 30.6 50

E 1 20.5 155.0 1 6.2 2.0 26.7 31.8 50

A,B,C 1 9.6 75.0 1 2.4 1.5 12.0 14.4 20

E 1 9.6 75.0 1 3.1 2.0 12.7 15.1 20

A,B,C 1 7.6 54.0 1 1.9 1.5 9.5 11.4 15

E 1 7.6 54.0 1 2.3 2.0 9.9 11.8 15

A,B,C 2 13.7 83.1 1 6.2 2.0 33.6 37.0 50

E 2 13.7 83.1 1 9.2 3.0 36.6 40.0 50

A,B,C 2 6.2 41.0 1 3.1 2.0 15.5 17.0 20

E 2 6.2 41.0 1 4.3 3.0 16.7 18.3 20

A,B,C 2 4.8 33.0 1 2.3 2.0 11.9 13.1 15

E 2 4.8 33.0 1 3.4 3.0 13.0 14.2 15

A,B,C 2 15.6 110.0 1 9.2 3.0 40.4 44.3 60

E 2 15.6 110.0 1 14.1 5.0 45.3 49.2 60

A,B,C 2 7.8 52.0 1 4.3 3.0 19.9 21.9 25

E 2 7.8 52.0 1 7.0 5.0 22.6 24.6 30

A,B,C 2 5.8 38.9 1 3.4 3.0 15.0 16.5 20

E 2 5.8 38.9 1 5.2 5.0 16.8 18.3 20

A,B,C 2 20.5 155.0 1 9.2 3.0 50.2 55.3 80

D,E 2 20.5 155.0 1 14.1 5.0 55.1 60.2 80

A,B,C 2 9.6 75.0 1 4.3 3.0 23.5 25.9 35

D,E 2 9.6 75.0 1 7.0 5.0 26.2 28.6 35

A,B,C 2 7.6 54.0 1 3.4 3.0 18.6 20.5 25

D,E 2 7.6 54.0 1 5.2 5.0 20.4 22.3 25

COMPRESSOR MOTOR TOTAL

Qty RLA LRA Qty FLA Hp

UNIT

FLA

MCA

MAX FUSE/ HACR

Table 3 — Electrical Data (cont)

50RTP

UNIT SIZE

FLA — Full Load Amps HACR — Heating, Air Conditioning, and Refrigeration LRA — Locked Rotor Amps MCA — Minimum Circuit Amps RLA — Rated Load Amps

VOLTAGE

CODE

5 208-3-60 197/254

6 460-3-60 414/506

1 575-3-60 518/633

5 208-3-60 197/254

6 460-3-60 414/506

1 575-3-60 518/633

LEGEND

VOLTAGE

(V-Ph-Hz)

MIN/MAX

VOLTAGE

BLOWER

OPTION

A,B,C 2 23.2 164.0 1 9.2 3.0 55.6 61.4 80

D,E 2 23.2 164.0 1 14.1 5.0 60.5 66.3 80

A,B,C 2 11.2 75.0 1 4.3 3.0 26.7 29.5 40

D,E 2 11.2 75.0 1 7.0 5.0 29.4 32.2 40

A,B,C 2 7.9 54.0 1 3.4 3.0 19.2 21.2 30

D,E 2 7.9 54.0 1 5.2 5.0 21.0 23.0 30

A,B,C 2 30.1 225.0 1 14.1 5.0 74.3 81.8 110

D,E 2 30.1 225.0 1 21.7 7.5 81.9 89.4 110

A,B,C 2 16.7 114.0 1 7.0 5.0 40.4 44.6 60

D,E 2 16.7 114.0 1 10.0 7.5 43.4 47.6 60

A,B,C 2 12.2 80.0 1 5.2 5.0 29.6 32.6 45

D,E 2 12.2 80.0 1 7.7 7.5 32.1 35.1 45

Table 4 — 50RTP03 Blower Performance Data

AIRFLOW

(cfm)

900

1000

1100

1200

1300

1400

1500

bhp — Brake Horsepower ESP — External Static Pressure

NOTES:

1. A = Standard RPM/Standard Motor, B = Low RPM/Standard Motor, C = High RPM/Standard Motor

ESP

bhp 0.10 0.13 0.16 0.17 0.19 0.22 0.24 0.26 0.28 0.30 0.33 0.35 0.37 0.40 0.44 0.47

Sheave/MotorBBBAAAAAAACCCCCC

rpm 552 615 665 715 765 820 875 925 965 1010 1055 1100 1140 1180 1220 1260

Turns Open 4.5 3.5 3.0 4.5 4.0 3.5 2.5 2.0 1.5 1.0 3.0 2.5 2.0 2.0 1.5 1.0

bhp 0.16 0.17 0.19 0.21 0.23 0.25 0.28 0.30 0.33 0.36 0.40 0.43 0.46 0.49 0.52 0.55

Sheave/MotorBBAAAAAAAACCCCCC

rpm 615 655 695 740 790 845 900 940 985 1030 1070 1115 1150 1190 1230 1265

Turns Open 3.5 3.0 5.0 4.0 3.5 3.0 2.0 1.5 1.0 0.5 3.0 2.5 2.0 1.5 1.5 1.0

bhp 0.22 0.23 0.25 0.29 0.32 0.34 0.35 0.36 0.38 0.41 0.44 0.48 0.50 0.53 0.56 0.59

Sheave/MotorBAAAAAAAACCCCCCC

rpm 685 725 765 810 855 895 940 985 1025 1065 1105 1145 1180 1215 1250 1285

Turns Open 2.5 5.0 4.0 3.5 2.5 2.5 1.5 1.0 0.5 3.0 2.5 2.0 1.5 1.5 1.0 0.5

bhp 0.26 0.27 0.30 0.33 0.36 0.39 0.42 0.44 0.48 0.51 0.54 0.57 0.60 0.62 0.65 0.69

Sheave/MotorAAAAAAAACCCCCCCC

rpm 710 740 785 830 880 920 965 1005 1045 1085 1125 1160 1195 1230 1265 1300

Turns Open 5.0 4.5 3.5 3.0 2.5 2.0 1.0 0.5 3.5 3.0 2.5 2.0 1.5 1.0 1.0 0.5

bhp 0.30 0.33 0.36 0.40 0.42 0.44 0.46 0.50 0.55 0.61 0.65 0.68 0.71 0.74 0.76 0.79

Sheave/MotorAAAAAAAACCCCCCCC

rpm 750 790 830 870 910 950 990 1030 1065 1105 1140 1175 1210 1245 1280 1315

Turns Open 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 3.0 2.5 2.0 1.5 1.5 1.0 0.5 0.0

bhp 0.40 0.42 0.44 0.47 0.50 0.53 0.56 0.60 0.64 0.67 0.70 0.72 0.75 0.79 0.84 0.88

Sheave/MotorAAAAAAACCCCCCCCC

rpm 820 850 875 915 950 990 1025 1065 1100 1135 1170 1205 1235 1270 1305 1335

Turns Open 3.0 2.5 2.5 2.0 1.5 1.0 0.5 3.0 2.5 2.0 2.0 1.5 1.0 0.5 0.5 0.0

bhp 0.45 0.47 0.50 0.52 0.55 0.59 0.64 0.69 0.74 0.77 0.80 0.83 0.86 0.90 0.93 —

Sheave/MotorAAAAAACCCCCCCCC—

rpm 860 885 920 955 985 1020 1055 1090 1125 1160 1190 1225 1255 1290 1320 —

Turns Open 2.5 2.0 2.0 1.5 1.0 0.5 3.0 2.5 2.0 2.0 1.5 1.0 1.0 0.5 0.0 —

LEGEND

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5

AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)

COMPRESSOR MOTOR TOTAL

Qty RLA LRA Qty FLA Hp

2. Unit shipped with standard drive package with drive sheave 2.5 turns open unless otherwise requested. Field adjustment may be required for specified CFM.

3. ISO/AHRI rating point with standard drive package and drive sheave open 3.0 turns at .30 ESP.

4. Performance data does not include drive losses and is based on sea level conditions.

5. All airflow is rated at lowest voltage if unit is dual rated, i.e., rated at 208 volts for 208-230 volt units.

UNIT

FLA

MCA

MAX FUSE/ HACR

Table 5 — 50RTP04 Blower Performance Data

AIRFLOW

(cfm)

1200

1300

1400

1500

1600

1700

1800

1900

2000

bhp — Brake Horsepower ESP — External Static Pressure

NOTES:

1. A = Standard RPM/Standard Motor, B = Low RPM/Standard Motor, C = High RPM/Standard Motor, D = Standard RPM/ Large Motor, E = High RPM/Large Motor

ESP

bhp 0.27 0.31 0.34 0.37 0.40 0.42 0.45 0.48 0.52 0.55 0.58 0.60 0.63 0.66 0.70 0.73

Sheave/MotorBBAAAAAAAAACCCCC

rpm 750 800 845 890 935 975 1015 1055 1095 1135 1170 1205 1240 1275 1310 1345

Turns Open 5.0 4.0 5.0 4.0 3.5 3.0 2.5 1.5 1.0 0.5 0.0 3.0 2.5 2.0 1.5 1.5

bhp 0.35 0.38 0.41 0.43 0.45 0.47 0.53 0.59 0.64 0.67 0.70 0.72 0.75 0.78 0.80 0.83

Sheave/MotorBAAAAAAAAACCCCCC

rpm 810 850 890 930 970 1010 1050 1090 1125 1160 1195 1230 1265 1300 1330 1365

Turns Open 4.0 4.5 4.0 3.5 3.0 2.5 2.0 1.0 0.5 0.0 3.0 3.0 2.5 2.0 1.5 1.0

bhp 0.43 0.46 0.49 0.52 0.55 0.58 0.62 0.66 0.68 0.71 0.74 0.77 0.82 0.86 0.91 0.96

Sheave/MotorAAAAAAAAACCCCCCC

rpm 865 900 935 970 1010 1045 1085 1120 1155 1190 1220 1255 1290 1320 1355 1390

Turns Open 4.5 4.0 3.5 3.0 2.5 2.0 1.5 0.5 0.0 3.5 3.0 2.5 2.0 1.5 1.0 1.0

bhp 0.49 0.52 0.54 0.57 0.62 0.68 0.73 0.76 0.79 0.82 0.85 0.89 0.92 0.96 1.00 1.05

Sheave/MotorAAAAAAAACCCCCCEE

rpm 910 945 975 1010 1045 1080 1115 1150 1180 1215 1250 1280 1310 1345 1375 1405

Turns Open 3.5 3.5 3.0 2.5 2.0 1.5 1.0 0.0 3.5 3.0 2.5 2.0 2.0 1.5 1.0 0.5

bhp 0.62 0.65 0.67 0.70 0.72 0.75 0.78 0.82 0.86 0.89 0.94 1.00 1.04 1.08 1.13 1.18

Sheave/MotorAAAAAAACCCCEEEEE

rpm 960 985 1015 1050 1080 1115 1145 1175 1210 1240 1275 1305 1335 1365 1395 1425

Turns Open 3.0 2.5 2.5 2.0 2.0 1.5 0.5 3.5 3.0 2.5 2.5 2.0 1.5 1.0 0.5 0.5

bhp 0.74 0.77 0.80 0.83 0.85 0.88 0.90 0.93 0.95 1.00 1.06 1.11 1.17 1.22 1.27 1.31

Sheave/MotorAAAAAACCCEEEEEEE

rpm 1000 1030 1060 1090 1115 1150 1180 1210 1240 1270 1300 1330 1360 1390 1420 1445

Turns Open 2.5 2.0 1.5 1.5 1.0 1.0 3.5 3.0 3.0 2.5 2.0 1.5 1.0 1.0 0.5 0.0

bhp 0.83 0.87 0.90 0.94 0.98 1.02 1.06 1.09 1.14 1.18 1.23 1.28 1.32 1.36 — —

Sheave/MotorAAAAAEEEEEEEEE——

rpm 1050 1075 1100 1125 1155 1185 1215 1245 1275 1300 1330 1360 1385 1415 — —

Turns Open 2.0 1.5 1.0 0.5 0.5 3.5 3.0 2.5 2.5 2.0 1.5 1.0 1.0 0.5 — —

bhp 0.971.001.031.081.121.161.201.251.291.341.381.42————

Sheave/MotorADDEEEEEEEEE————

rpm 1100 1120 1145 1175 1200 1225 1250 1280 1305 1335 1360 1385 ————

Turns Open1.01.00.53.53.03.02.52.02.01.51.01.0————

bhp 1.131.171.201.241.281.321.361.401.44———————

Sheave/MotorDDEEEEEEE———————

rpm 1145 1170 1190 1215 1235 1260 1290 1315 1340 — — — ————

Turns Open0.50.53.03.02.52.52.01.51.5———————

LEGEND

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5

AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)

2. Unit shipped with standard drive package with drive sheave 2.5 turns open unless otherwise requested. Field adjustment may be required for specified CFM.

3. ISO/AHRI rating point with standard drive package and drive sheave open 3.0 turns at .30 ESP.

4. Performance data does not include drive losses and is based on sea level conditions.

5. All airflow is rated at lowest voltage if unit is dual rated, i.e., rated at 208 volts for 208-230 volt units.

Table 6 — 50RTP05 Blower Performance Data

AIRFLOW

(cfm)

1500

1600

1700

1800

1900

2000

2100

2200

2300

2400

2500

bhp — Brake Horsepower ESP — External Static Pressure

NOTES:

1. A = Standard RPM/Standard Motor, B = Low RPM/Standard Motor, C = High RPM/Standard Motor, D = Standard RPM/ Large Motor, E = High RPM/Large Motor

ESP

bhp 0.17 0.22 0.26 0.29 0.31 0.34 0.37 0.40 0.44 0.47 0.5 0.53 0.56 0.60 0.63 0.65

Sheave/MotorBBBBAAAAAAAAACCC

rpm 516 573 625 670 710 755 785 820 850 880 900 925 945 970 990 1010

Turns Open 5.0 4.5 3.5 2.5 4.5 4.0 3.5 3.0 2.0 1.5 1.5 1.0 0.5 3.0 2.5 2.5

bhp 0.20 0.24 0.28 0.32 0.35 0.38 0.41 0.45 0.48 0.52 0.55 0.58 0.62 0.65 0.68 0.70

Sheave/MotorBBBAAAAAAAAACCCC

rpm 526 583 635 680 725 765 795 830 860 890 915 940 965 990 1010 1030

Turns Open 5.0 4.5 3.5 5.0 4.5 3.5 3.0 2.5 2.0 1.5 1.0 0.5 3.0 2.5 2.5 2.0

bhp 0.23 0.26 0.30 0.34 0.38 0.42 0.45 0.49 0.53 0.56 0.60 0.64 0.67 0.71 0.73 0.75

Sheave/MotorBBBAAAAAAAAACCCC

rpm 536 589 640 685 730 770 805 840 875 900 930 955 980 1005 1025 1045

Turns Open 4.5 4.0 3.0 5.0 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 3.0 2.5 2.0 2.0

bhp 0.25 0.29 0.33 0.37 0.41 0.46 0.50 0.54 0.58 0.62 0.65 0.68 0.72 0.76 0.78 0.81

Sheave/MotorBBBAAAAAAAACCCCC

rpm 547 599 650 695 740 780 815 855 885 915 940 965 995 1020 1040 1060

Turns Open 4.5 4.0 3.0 4.5 4.0 3.5 2.5 2.0 1.5 1.0 0.5 3.0 2.5 2.0 2.0 1.5

bhp 0.29 0.32 0.37 0.41 0.46 0.50 0.55 0.59 0.62 0.66 0.70 0.73 0.77 0.81 0.85 0.88

Sheave/MotorBBBAAAAAAAACCCCC

rpm 568 620 665 710 755 790 830 865 895 925 955 985 1015 1035 1060 1080

Turns Open 4.5 3.5 3.0 4.5 3.5 3.0 2.5 2.0 1.5 1.0 0.5 2.5 2.0 2.0 1.5 1.0

bhp 0.33 0.36 0.42 0.47 0.52 0.57 0.61 0.66 0.69 0.73 0.77 0.81 0.85 0.89 0.92 0.96

Sheave/MotorBBAAAAAAAACCCCCC

rpm 589 635 680 725 765 805 845 880 910 940 975 1005 1030 1055 1075 1100

Turns Open 4.0 3.5 5.0 4.0 3.5 3.0 2.0 1.5 1.0 0.5 3.0 2.5 2.0 1.5 1.5 1.0

bhp 0.41 0.45 0.49 0.52 0.57 0.63 0.68 0.72 0.76 0.80 0.84 0.88 0.92 0.96 1.00 1.04

Sheave/MotorBBAAAAAAAACCCCEE

rpm 615 660 700 740 780 820 860 895 925 960 990 1020 1045 1070 1095 1120

Turns Open 3.5 3.0 4.5 4.0 3.0 2.5 2.0 1.5 1.0 0.5 2.5 2.0 2.0 1.5 1.0 0.5

bhp 0.44 0.49 0.54 0.58 0.64 0.69 0.74 0.78 0.83 0.87 0.91 0.96 1.00 1.04 1.08 1.12

Sheave/MotorBAAAAAAAACCCEEEE

rpm 640 680 720 760 800 840 880 910 945 975 1005 1035 1060 1085 1115 1135

Turns Open 3.0 5.0 4.5 3.5 3.0 2.5 1.5 1.0 0.5 3.0 2.5 2.0 1.5 1.5 1.0 0.5

bhp 0.52 0.56 0.60 0.65 0.70 0.75 0.80 0.85 0.89 0.94 1.00 1.05 1.11 1.16 1.22 1.25

Sheave/MotorBAAAAAAACCEEEEEE

rpm 665 705 745 785 825 860 895 930 960 995 1025 1050 1080 1105 1135 1155

Turns Open 3.0 4.5 4.0 3.5 2.5 2.0 1.5 0.5 3.0 2.5 2.0 2.0 1.5 1.0 0.5 0.5

bhp 0.57 0.62 0.67 0.73 0.79 0.84 0.89 1.00 1.00 1.03 1.08 1.14 1.20 1.26 1.30 1.35

Sheave/MotorAAAAAAADDEEEEEEE

rpm 695 735 775 810 850 885 920 950 980 1015 1040 1070 1100 1130 1150 1175

Turns Open 5.0 4.0 3.5 3.0 2.0 1.5 1.0 0.5 0.0 2.0 2.0 1.5 1.0 0.5 0.5 0.0

bhp 0.64 0.69 0.75 0.81 0.87 0.92 1.00 1.01 1.05 1.11 1.17 1.23 1.29 1.34 1.39 1.43

Sheave/MotorAAAAAADDEEEEEEEE

rpm 725 765 800 835 870 905 940 970 1000 1030 1060 1090 1120 1145 1170 1190

Turns Open 4.5 3.5 3.0 2.5 2.0 1.5 0.5 0.0 2.5 2.0 1.5 1.0 0.5 0.5 0.0 0.0

LEGEND

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5

AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)

2. Unit shipped with standard drive package with drive sheave 2.5 turns open unless otherwise requested. Field adjustment may be required for specified CFM.

3. ISO/AHRI rating point with standard drive package and drive sheave open 3.0 turns at .30 ESP.

4. Performance data does not include drive losses and is based on sea level conditions.

5. All airflow is rated at lowest voltage if unit is dual rated, i.e., rated at 208 volts for 208-230 volt units.

Table 7 — 50RTP06 Blower Performance Data

AIRFLOW

(cfm)

1800

1900

2000

2100

2200

2300

2400

2500

2600

2700

2800

2900

3000

ESP

bhp 0.270.310.350.390.430.470.510.550.590.620.660.700.740.760.790.83

Sheave/MotorBBBBAAAAAAAAACCC

rpm 568 620 665 710 755 790 830 865 895 920 950 975 1005 1025 1045 1070

Turns Open 5.0 3.5 2.5 1.5 5.0 4.0 3.5 3.0 2.5 2.0 1.0 0.5 0.0 4.0 4.0 3.5

bhp 0.290.330.370.420.460.500.550.590.630.670.700.740.770.810.850.89

Sheave/MotorBBBBAAAAAAAACCCC

rpm 573 625 670 715 755 795 830 870 900 930 960 990 1015 1040 1060 1085

Turns Open 4.5 3.5 2.5 1.5 5.0 4.0 3.5 3.0 2.0 1.5 1.0 0.5 4.5 4.0 3.5 3.5

bhp 0.320.360.410.460.510.560.600.650.690.720.760.800.840.880.920.96

Sheave/MotorBBBBAAAAAAAACCCC

rpm 583 630 675 720 760 800 835 875 905 935 970 1000 1025 1050 1075 1100

Turns Open 4.5 3.0 2.0 1.0 4.5 3.5 3.0 2.5 2.0 1.5 0.5 0.0 4.0 3.5 3.5 3.0

bhp 0.390.440.470.510.560.610.660.710.750.790.830.870.910.950.991.03

Sheave/MotorBBBBAAAAAAACCCCC

rpm 599 645 685 725 770 805 845 885 915 950 980 1010 1035 1060 1085 1110

Turns Open 4.0 3.0 2.0 1.0 4.5 3.5 3.0 2.5 1.5 1.0 0.5 4.5 4.0 3.5 3.0 3.0

bhp 0.420.470.520.560.620.670.720.770.810.850.890.930.981.021.061.11

Sheave/MotorBBBAAAAAAAACCCCC

rpm 620 665 705 745 785 825 865 900 930 960 995 1020 1050 1075 1100 1130

Turns Open 3.5 2.5 1.5 5.0 4.0 3.5 2.5 2.0 1.5 1.0 0.0 4.0 3.5 3.5 3.0 2.5

bhp 0.490.540.580.620.670.720.780.820.870.910.971.021.081.131.191.23

Sheave/MotorBBBAAAAAAACCCCCC

rpm 640 685 725 765 800 840 880 910 945 975 1010 1035 1065 1090 1120 1145

Turns Open 3.0 2.0 1.0 4.5 4.0 3.0 2.5 2.0 1.0 0.5 4.5 4.0 3.5 3.0 2.5 2.5

bhp 0.540.580.620.680.740.790.850.900.940.991.041.101.151.211.271.31

Sheave/MotorBBAAAAAAAACCCCCC

rpm 660 700 740 780 820 855 890 925 955 990 1020 1050 1075 1105 1135 1155

Turns Open 2.5 1.5 5.0 4.5 3.5 3.0 2.0 1.5 1.0 0.5 4.0 3.5 3.5 3.0 2.5 2.0

bhp 0.590.640.690.750.810.870.920.961.011.051.111.171.231.291.341.39

Sheave/MotorBBAAAAAAAACCCCCC

rpm 680 725 765 800 835 870 905 935 970 1000 1030 1060 1090 1120 1145 1170

Turns Open 2.0 1.0 4.5 4.0 3.5 3.0 2.0 1.5 0.5 0.0 4.0 3.5 3.0 C 2.0 2.0

bhp 0.640.690.750.800.860.920.971.021.081.131.191.251.301.361.411.50

Sheave/MotorBAAAAAAAACCCCCCE

rpm 700 740 780 815 850 885 920 950 985 1015 1045 1075 1100 1130 1155 1180

Turns Open 1.5 5.0 4.5 3.5 3.0 2.5 2.0 1.0 0.5 4.5 3.5 3.0 3.0 2.5 2.0 1.5

bhp 0.700.750.800.860.910.971.021.081.141.201.261.321.381.501.521.56

Sheave/MotorBAAAAAAACCCCCEE E

rpm 725 760 795 830 865 900 930 960 995 1025 1055 1085 1115 1140 1165 1190

Turns Open 1.0 4.5 4.0 3.5 3.0 2.0 1.5 1.0 4.5 4.0 3.5 3.0 2.5 2.0 2.0 1.5

bhp 0.760.820.880.930.981.051.101.161.221.301.371.441.501.561.631.69

Sheave/MotorAAAAAAAACCCCEE EE

rpm 745 780 815 850 880 915 945 980 1010 1040 1070 1100 1125 1150 1180 1205

Turns Open 5.0 4.0 3.5 3.0 2.5 1.5 1.0 0.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.5

bhp 0.820.880.930.981.051.111.171.231.301.371.441.511.591.651.711.77

Sheave/MotorAAAAAAACCCCEEEEE

rpm 765 800 830 865 900 930 960 990 1020 1050 1080 1110 1140 1165 1190 1215

Turns Open 4.5 4.0 3.5 2.5 2.0 1.5 0.5 4.5 4.0 3.5 3.0 2.5 2.5 2.0 1.5 1.0

bhp 0.910.961.021.071.131.201.261.321.381.461.531.601.661.721.781.84

Sheave/MotorAAAAAAACCCEEEEEE

rpm 785 820 855 885 915 950 980 1010 1035 1065 1095 1125 1150 1175 1200 1225

Turns Open 4.0 3.5 3.0 2.5 2.0 1.0 0.5 4.0 4.0 3.5 3.0 2.5 2.0 1.5 1.5 1.0

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5

LEGEND

bhp — Brake Horsepower ESP — External Static Pressure

NOTES:

1. A = Standard RPM/Standard Motor, B = Low RPM/Standard Motor, C = High RPM/Standard Motor, E = High RPM/Large Motor

AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)

2. Unit shipped with standard drive package with drive sheave 2.5 turns open unless otherwise requested. Field adjustment may be required for specified CFM.

3. ISO/AHRI rating point with standard drive package and drive sheave open 3.0 turns at .30 ESP.

4. Performance data does not include drive losses and is based on sea level conditions.

5. All airflow is rated at lowest voltage if unit is dual rated, i.e., rated at 208 volts for 208-230 volt units.

Table 8 — 50RTP08 Blower Performance Data

AIRFLOW

(cfm)

2400

2500

2600

2700

2800

2900

3000

3100

3200

3300

3400

3500

3600

3700

ESP

bhp 0.36 0.39 0.42 0.46 0.52 0.6 0.67 0.7 0.74 0.77 0.82 0.88 0.95 1.01 1.07 1.13 1.18 1.22 1.27 1.32 1.37

Sheave/MotorBBBBAAAAAAAAACCCCCCCC

rpm 500 525 563 596 632 668 704 728 756 780 808 832 856 880 904 928 948 968 988 1008 1028

Turns Open 6.0 5.0 4.0 3.0 6.0 5.0 4.5 4.0 3.5 2.5 2.0 1.5 1.0 6.0 5.5 5.0 4.5 4.5 4.0 4.0 3.5

bhp 0.40 0.45 0.50 0.56 0.62 0.67 0.72 0.76 0.80 0.85 0.90 0.97 1.05 1.12 1.18 1.22 1.26 1.31 1.36 1.40 1.46

Sheave/MotorBBBBAAAAAAAAACCCCCCCC

rpm 504 538 575 612 648 680 712 740 764 792 816 840 868 892 916 936 956 976 1000 1016 1036

Turns Open 5.5 4.5 3.5 3.0 5.5 5.0 4.5 3.5 3.0 2.5 2.0 1.5 1.0 5.5 5.0 5.0 4.5 4.0 4.0 3.5 3.5

bhp 0.47 0.51 0.55 0.60 0.67 0.73 0.78 0.84 0.89 0.94 1.00 1.05 1.11 1.16 1.23 1.28 1.35 1.41 1.46 1.51 1.56

Sheave/MotorBBBAAAAAAAAACCCCCCCCC

rpm 521 554 592 624 660 692 720 748 776 800 828 852 876 900 924 944 968 988 1008 1028 1048

Turns Open 5.5 4.5 3.5 6.0 5.5 4.5 4.0 3.5 2.5 2.0 1.5 1.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 3.5 3.0

bhp 0.51 0.56 0.61 0.66 0.72 0.77 0.82 0.88 0.94 0.99 1.06 1.14 1.21 1.27 1.32 1.39 1.44 1.50 1.55 1.59 1.65

Sheave/MotorBBBAAAAAAAAACCCCCCCCC

rpm 538 571 608 640 672 704 732 760 788 812 836 864 888 912 932 956 976 1000 1020 1036 1056

Turns Open 5.0 4.0 3.0 5.5 5.0 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.5 5.0 4.5 4.5 4.0 3.5 3.5 3.0 3.0

bhp 0.57 0.62 0.67 0.72 0.77 0.83 0.90 0.96 1.03 1.08 1.15 1.20 1.25 1.33 1.40 1.48 1.56 1.62 1.67 1.71 1.75

Sheave/MotorBBBAAAAAAAACCCCCCCCCC

rpm 550 583 616 648 684 712 740 768 796 820 848 872 896 920 940 964 988 1008 1028 1044 1064

Turns Open 4.5 3.5 2.5 5.5 5.0 4.0 3.5 3.0 2.5 2.0 1.5 6.0 5.5 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5

bhp 0.62 0.66 0.72 0.78 0.83 0.89 0.95 1.02 1.08 1.15 1.22 1.30 1.37 1.44 1.51 1.58 1.66 1.70 1.75 1.79 1.84

Sheave/MotorBBAAAAAAAAACCCCCCCCCC

rpm 567 600 632 664 696 724 752 780 808 832 856 884 908 932 952 976 1000 1016 1036 1056 1076

Turns Open 4.0 3.0 5.5 5.0 4.5 3.5 3.0 2.5 2.0 1.5 1.0 5.5 5.0 4.5 4.5 4.0 3.5 3.5 3.0 3.0 2.5

bhp 0.68 0.73 0.78 0.83 0.89 0.97 1.05 1.13 1.18 1.24 1.30 1.35 1.42 1.51 1.60 1.68 1.76 1.80 1.85 1.88 1.92

Sheave/MotorBBAAAAAAAACCCCCCCCCCC

rpm 583 616 648 680 712 740 768 796 820 844 872 896 916 940 964 984 1008 1028 1048 1064 1084

Turns Open 3.5 2.5 5.5 5.0 4.0 3.5 3.0 2.5 1.5 1.5 6.0 5.5 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.5

bhp 0.75 0.81 0.88 0.93 1.00 1.05 1.12 1.18 1.25 1.32 1.38 1.45 1.53 1.61 1.67 1.75 1.80 1.86 1.92 2.00 2.03

Sheave/MotorBAAAAAAAAACCCCCCCCCE E

rpm 604 636 668 696 728 752 780 808 832 856 880 904 928 952 972 996 1016 1036 1056 1076 1096

Turns Open 3.0 6.0 5.0 4.5 4.0 3.0 2.5 2.0 1.5 1.0 5.5 5.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0

bhp 0.80 0.86 0.93 0.99 1.07 1.15 1.23 1.28 1.34 1.39 1.44 1.52 1.61 1.69 1.78 1.86 1.91 1.96 2.01 2.06 2.12

Sheave/MotorBAAAAAAAACCCCCCCCCE EE

rpm 620 652 684 712 740 768 796 820 844 868 892 916 940 960 984 1008 1028 1048 1064 1084 1104

Turns Open 2.5 5.5 5.0 4.0 3.5 3.0 2.5 2.0 1.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.5 2.0

bhp 0.89 0.96 1.03 1.09 1.15 1.22 1.27 1.35 1.42 1.48 1.55 1.63 1.71 1.80 1.87 1.95 2.01 2.07 2.13 2.19 2.25

Sheave/MotorAAAAAAAAACCCCCCCE EEEE

rpm 636 668 696 724 752 780 804 832 856 880 904 924 948 972 992 1016 1036 1056 1076 1096 1112

Turns Open 6.0 5.0 4.5 4.0 3.5 2.5 2.0 1.5 1.0 5.5 5.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 2.0

bhp 0.95 1.02 1.09 1.17 1.24 1.32 1.38 1.43 1.48 1.53 1.61 1.70 1.80 1.88 2.00 2.04 2.11 2.18 2.25 2.32 2.38

Sheave/MotorAAAAA AAACCCCCCEE EEE EE

rpm 652 684 712 740 764 792 816 840 864 888 912 936 960 980 1004 1024 1044 1064 1084 1104 1120

Turns Open 5.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5 6.0 5.5 5.0 4.5 4.5 4.0 3.5 3.0 3.0 2.5 2.5 2.0 1.5

bhp 1.05 1.13 1.19 1.25 1.31 1.37 1.44 1.51 1.57 1.64 1.74 1.82 1.91 2.01 2.08 2.14 2.21 2.27 2.33 2.41 2.48

Sheave/MotorAAAAA AAACCCCCEE EEE EEE

rpm 668 696 724 752 776 804 828 852 876 900 924 944 968 992 1012 1032 1052 1072 1092 1112 1128

Turns Open 5.0 4.5 4.0 3.5 3.0 2.0 1.5 1.0 5.5 5.0 5.0 4.5 4.0 3.5 3.5 3.0 3.0 2.5 2.0 2.0 1.5

bhp 1.12 1.18 1.26 1.34 1.41 1.48 1.54 1.61 1.67 1.73 1.82 1.90 1.97 2.06 2.14 2.21 2.29 2.36 2.44 2.53 2.61

Sheave/MotorAAAAA AACCCCCCEEE EEE EE

rpm 680 708 736 764 788 816 840 864 888 908 932 956 976 1000 1020 1040 1060 1080 1100 1120 1136

Turns Open 5.0 4.0 3.5 3.0 2.5 2.0 1.5 6.0 5.5 5.0 4.5 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 1.5 1.5

bhp 1.23 1.29 1.35 1.41 1.47 1.56 1.64 1.70 1.79 1.87 2.00 2.02 2.10 2.17 2.24 2.31 2.38 2.46 2.54 2.64 2.72

Sheave/MotorAAAAAAACCCEEEEEEEEEEE

rpm 696 724 752 776 804 828 852 872 896 920 944 964 988 1008 1028 1048 1068 1088 1108 1128 1144

Turns Open 4.5 4.0 3.5 3.0 2.0 1.5 1.0 5.5 5.0 5.0 4.5 4.5 4.0 3.5 3.0 3.0 2.5 2.5 2.0 1.5 1.5

0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.41.51.61.71.81.92.0

LEGEND

bhp — Brake Horsepower ESP — External Static Pressure

NOTES:

1. A = Standard RPM/Standard Motor, B = Low RPM/Standard Motor, C = High RPM/Standard Motor, E = High RPM/Large Motor

AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)

2. Unit shipped with standard drive package with drive sheave 2.5 turns open unless otherwise requested. Field adjustment may be required for specified CFM.

3. ISO/AHRI rating point with standard drive package and drive sheave open 3.0 turns at .30 ESP.

4. Performance data does not include drive losses and is based on sea level conditions.

5. All airflow is rated at lowest voltage if unit is dual rated, i.e., rated at 208 volts for 208-230 volt units.

Table 8 — 50RTP08 Blower Performance Data (cont)

AIRFLOW

(cfm)

3800

3900

4000

ESP

bhp 1.29 1.37 1.44 1.52 1.59 1.67 1.74 1.82 1.89 2.00 2.04 2.12 2.20 2.28 2.36 2.44 2.52 2.60 2.67 2.77 2.84

Sheave/MotorAAAAAACCCEEEEEEEEEEEE

rpm 712 740 764 792 816 840 864 888 908 932 952 976 1000 1020 1040 1060 1080 1100 1116 1136 1152

Turns Open 4.0 3.5 3.0 2.5 2.0 1.5 6.0 5.5 5.0 4.5 4.5 4.0 3.5 3.0 3.0 2.5 2.5 2.0 2.0 1.5 1.0

bhp 1.41 1.48 1.54 1.61 1.70 1.78 1.84 1.93 2.01 2.08 2.17 2.26 2.33 2.41 2.49 2.57 2.65 2.74 2.81 2.89 —

Sheave/MotorAAAAAACCEEEEEEEEEEEE—

rpm 728 752 776 804 828 852 872 896 920 940 964 988 1008 1028 1048 1068 1088 1108 1124 1144 —

Turns Open 4.0 3.0 2.5 2.0 1.5 1.0 5.5 5.5 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0 2.0 1.5 1.0 —

bhp 1.48 1.56 1.64 1.71 1.80 1.88 2.00 2.03 2.12 2.19 2.27 2.35 2.43 2.52 2.61 2.69 2.78 2.86 2.93 — —

Sheave/MotorAAAAACEEEEEEEEEDEEE——

rpm 740 768 792 816 840 864 888 908 932 952 976 996 1016 1036 1056 1076 1096 1116 1132 — —

Turns Open 3.5 3.0 2.5 2.0 1.5 6.0 5.5 5.0 4.5 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 2.0 1.5 — —

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0

LEGEND

bhp — Brake Horsepower ESP — External Static Pressure

NOTES:

1. A = Standard RPM/Standard Motor, B = Low RPM/Standard Motor, C = High RPM/Standard Motor, E = High RPM/Large Motor

AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)

2. Unit shipped with standard drive package with drive sheave 2.5 turns open unless otherwise requested. Field adjustment may be required for specified CFM.

3. ISO/AHRI rating point with standard drive package and drive sheave open 3.0 turns at .30 ESP.

4. Performance data does not include drive losses and is based on sea level conditions.

5. All airflow is rated at lowest voltage if unit is dual rated, i.e., rated at 208 volts for 208-230 volt units.

Table 9 — 50RTP10 Blower Performance Data

AIRFLOW

(cfm)

3000

3100

3200

3300

3400

3500

3600

3700

3800

3900

4000

4100

4200

ESP

bhp 0.66 0.71 0.76 0.81 0.86 0.94 1.02 1.1 1.17 1.22 1.27 1.32 1.39 1.48 1.56 1.65 1.74 1.78 1.83 1.86 1.91

Sheave/MotorBBBBBAAAAAAAAAACCCCCC

rpm 571 604 636 668 700 728 756 784 812 836 860 884 908 932 952 976 1000 1020 1040 1056 1076

Turns Open 5.5 5.0 4.0 3.0 2.0 6.0 5.5 5.0 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.0 4.0 3.5 3.0 3.0

bhp 0.73 0.79 0.85 0.91 0.98 1.04 1.10 1.16 1.23 1.29 1.36 1.43 1.50 1.58 1.64 1.72 1.78 1.84 1.89 1.95 2.01

Sheave/MotorBBBBAAAAAAAAAACCCCCCC

rpm 592 624 656 684 716 744 772 800 824 848 872 896 920 944 964 988 1008 1028 1048 1068 1088

Turns Open 5.0 4.5 3.5 2.5 6.0 5.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5

bhp 0.78 0.84 0.90 0.97 1.04 1.12 1.20 1.27 1.32 1.37 1.42 1.49 1.58 1.66 1.75 1.84 1.89 1.94 2.00 2.05 2.10

Sheave/MotorBBBBAAAAAAAAAACCCCCCC

rpm 608 640 672 704 728 756 784 812 836 860 884 908 932 952 976 1000 1020 1040 1060 1080 1100

Turns Open 4.5 4.0 3.0 2.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5

bhp 0.87 0.93 1.01 1.08 1.14 1.20 1.26 1.33 1.39 1.46 1.53 1.61 1.68 1.77 1.86 1.92 1.98 2.04 2.10 2.16 2.23

Sheave/MotorBBBBAAAAAAAAACCCCCCCC

rpm 628 656 688 716 744 772 800 824 848 872 896 920 940 964 988 1008 1028 1048 1068 1088 1108

Turns Open 4.0 3.5 2.5 1.5 5.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.5

bhp 0.94 1.01 1.07 1.15 1.23 1.30 1.37 1.42 1.47 1.52 1.59 1.69 1.77 1.86 1.96 2.03 2.10 2.16 2.23 2.30 2.36

Sheave/MotorBBBAAAAAAAAAACCCCCCCC

rpm 644 676 704 732 760 784 812 836 860 884 908 932 952 976 1000 1020 1040 1060 1080 1100 1116

Turns Open 3.5 3.0 2.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0

bhp 1.03 1.12 1.18 1.24 1.30 1.36 1.43 1.49 1.56 1.63 1.72 1.80 1.90 1.99 2.07 2.13 2.19 2.26 2.32 2.40 2.47

Sheave/MotorBBAAAAAAAAAACCCCCCCCC

rpm 660 692 720 744 772 800 824 848 872 896 920 940 964 988 1008 1028 1048 1068 1088 1108 1124

Turns Open 3.5 2.5 6.0 5.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0

bhp 1.11 1.17 1.25 1.33 1.40 1.47 1.53 1.60 1.66 1.73 1.80 1.89 1.97 2.05 2.12 2.20 2.27 2.35 2.42 2.51 2.59

Sheave/MotorBBAAAAAAAAAACCCCCCCCC

rpm 676 704 732 760 784 812 836 860 884 908 928 952 976 996 1016 1036 1056 1076 1096 1116 1132

Turns Open 3.0 2.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0 2.0

bhp 1.22 1.28 1.35 1.40 1.46 1.54 1.62 1.70 1.77 1.85 1.94 2.00 2.09 2.17 2.24 2.31 2.38 2.46 2.52 2.62 2.72

Sheave/MotorBAAAAAAAAAACCCCCCCCCC

rpm 692 720 748 772 800 824 848 872 892 916 940 960 984 1008 1028 1048 1068 1088 1104 1124 1144

Turns Open 2.5 6.0 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 1.5

bhp 1.28 1.35 1.43 1.51 1.58 1.66 1.73 1.81 1.87 1.96 2.04 2.10 2.19 2.26 2.34 2.42 2.50 2.58 2.66 2.75 2.84

Sheave/MotorBAAAAAAAAAACCCCCCCCCC

rpm 708 732 760 788 812 836 860 884 904 928 952 972 996 1016 1036 1056 1076 1096 1112 1132 1152

Turns Open 2.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0 2.0 1.5

bhp 1.39 1.46 1.53 1.60 1.68 1.76 1.83 1.91 2.00 2.08 2.16 2.24 2.32 2.40 2.48 2.56 2.64 2.72 2.81 2.88 3.00

Sheave/MotorAAAAAAAAAACCCCCCCCCCE

rpm 720 748 772 800 824 848 868 892 916 940 960 984 1004 1024 1044 1064 1084 1104 1124 1140 1160

Turns Open 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 2.0 1.5

bhp 1.47 1.54 1.62 1.70 1.78 1.86 1.95 2.01 2.10 2.17 2.26 2.33 2.41 2.50 2.59 2.68 2.76 2.85 2.93 3.00 3.07

Sheave/MotorAAAAAAAAAACCCCCCCCCE E

rpm 736 760 788 812 836 860 884 904 928 948 972 992 1012 1032 1052 1072 1092 1112 1132 1148 1168

Turns Open 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.5 4.0 3.5 3.5 3.0 2.5 2.0 2.0 1.5 1.5

bhp 1.56 1.66 1.74 1.82 1.89 1.97 2.03 2.12 2.20 2.29 2.36 2.46 2.53 2.62 2.72 2.81 2.90 3.00 3.06 3.12 3.20

Sheave/MotorAAAAAAAAACCCCCCCCE EEE

rpm 748 776 800 824 848 872 892 916 936 960 980 1004 1020 1040 1060 1080 1100 1120 1140 1156 1176

Turns Open 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0 2.0 1.5 1.0

bhp 1.64 1.72 1.81 1.90 1.97 2.06 2.15 2.23 2.31 2.38 2.46 2.56 2.66 2.76 2.86 3.00 3.03 3.11 3.18 3.26 3.34

Sheave/MotorAAAAAAAAACCCCCCE EEEEE

rpm 764 788 812 836 856 880 904 924 948 968 988 1012 1032 1052 1072 1088 1108 1128 1144 1164 1184

Turns Open 0.66 0.71 0.76 0.81 0.86 0.94 1.02 1.1 1.17 1.22 1.27 1.32 1.39 1.48 1.56 1.65 1.74 1.78 1.83 1.86 1.91

0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.41.51.61.71.81.92.0

LEGEND

bhp — Brake Horsepower ESP — External Static Pressure

NOTES:

1. A = Standard RPM/Standard Motor, B = Low RPM/Standard Motor, C = High RPM/Standard Motor, E = High RPM/Large Motor

AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)

2. Unit shipped with standard drive package with drive sheave 2.5 turns open unless otherwise requested. Field adjustment may be required for specified CFM.

3. ISO/AHRI rating point with standard drive package and drive sheave open 3.0 turns at .30 ESP.

4. Performance data does not include drive losses and is based on sea level conditions.

5. All airflow is rated at lowest voltage if unit is dual rated, i.e., rated at 208 volts for 208-230 volt units.

Table 9 — 50RTP10 Blower Performance Data (cont)

AIRFLOW

(cfm)

4300

4400

4500

4600

4700

4800

4900

5000

ESP

bhp 1.76 1.84 1.93 2.00 2.08 2.17 2.25 2.34 2.42 2.50 2.60 2.70 2.80 2.90 3.00 3.10 3.16 3.24 3.31 3.39 3.45

Sheave/MotorAAAAA AAACCCCCCEEEEEEE

rpm 776 800 824 844 868 892 912 936 956 976 1000 1020 1040 1060 1080 1100 1116 1136 1152 1172 1188

Turns Open 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0 2.0 1.5 1.0 1.0

bhp 1.86 1.95 2.04 2.12 2.22 2.32 2.4 2.48 2.57 2.65 2.74 2.84 3.00 3.04 3.14 3.23 3.30 3.38 3.44 3.52 3.58

Sheave/MotorAAAAAAAACCCCEEEEEEEEE

rpm 788 812 836 856 880 904 924 944 968 988 1008 1028 1048 1068 1088 1108 1124 1144 1160 1180 1196

Turns Open 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 4.5 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 1.5 1.5 1.0 1.0

bhp 1.96 2.06 2.15 2.23 2.33 2.43 2.52 2.61 2.69 2.78 2.88 3.00 3.08 3.18 3.28 3.35 3.44 3.53 3.61 3.70 —

Sheave/MotorAAAAAAACCCCEEEEEEEEE—

rpm 800 824 848 868 892 916 936 956 976 996 1016 1036 1056 1076 1096 1112 1132 1152 1168 1188 —

Turns Open 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0 2.0 1.5 1.5 1.0 —

bhp 2.12 2.20 2.30 2.38 2.47 2.56 2.64 2.73 2.83 2.92 3.00 3.10 3.20 3.30 3.40 3.49 3.60 3.68 3.79 3.88 —

Sheave/MotorAAAAAAACCCEEEEEEEEEE—

rpm 820 840 864 884 908 928 948 968 992 1012 1028 1048 1068 1088 1108 1124 1144 1160 1180 1196 —

Turns Open 3.5 3.0 3.0 2.5 2.0 1.5 1.0 4.5 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 1.5 1.5 1.0 1.0 —

bhp 2.23 2.31 2.40 2.50 2.59 2.68 2.76 2.85 3.00 3.04 3.14 3.24 3.34 3.42 3.53 3.62 3.73 3.84 3.93 — —

Sheave/MotorAAAAAACCEEEEEEEEEEE——

rpm 832 852 876 900 920 940 960 980 1000 1020 1040 1060 1080 1096 1116 1132 1152 1172 1188 — —

Turns Open 3.5 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 4.0 3.5 3.0 3.0 2.5 2.0 2.0 1.5 1.0 1.0 — —

bhp 2.35 2.46 2.55 2.65 2.73 2.81 2.89 3.00 3.06 3.16 3.26 3.34 3.44 3.55 3.64 3.76 3.86 3.98 4.08 — —

Sheave/MotorAAAAACCEEEEEEEEEEEE——

rpm 844 868 888 912 932 952 972 992 1012 1032 1052 1068 1088 1108 1124 1144 1160 1180 1196 — —

Turns Open 3.0 2.5 2.0 1.5 1.5 5.0 4.5 4.5 4.0 3.5 3.5 3.0 2.5 2.5 2.0 1.5 1.5 1.0 1.0 — —

bhp 2.49 2.58 2.68 2.77 2.85 3.00 3.03 3.12 3.22 3.30 3.40 3.50 3.60 3.70 3.82 3.91 4.03 4.13 — — —

Sheave/MotorAAAAAEEEEEEEEEEEEE———

rpm 860 880 904 924 944 964 984 1004 1024 1040 1060 1080 1100 1116 1136 1152 1172 1188 — — —

Turns Open 3.0 2.5 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.5 3.0 3.0 2.5 2.0 2.0 1.5 1.0 1.0 — — —

bhp 2.63 2.72 2.81 2.91 3.00 3.09 3.18 3.28 3.36 3.46 3.56 3.66 3.75 3.87 3.96 4.08 4.18 4.28 — — —

Sheave/MotorAAAAEEEEEEEEEEEEEE———

rpm 876 896 916 936 956 976 996 1016 1032 1052 1072 1092 1108 1128 1144 1164 1180 1196 — — —

Turns Open 2.5 2.0 1.5 1.0 5.0 4.5 4.0 4.0 3.5 3.5 3.0 2.5 2.5 2.0 1.5 1.5 1.0 1.0 — — —

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0

LEGEND

bhp — Brake Horsepower ESP — External Static Pressure

NOTES:

1. A = Standard RPM/Standard Motor, B = Low RPM/Standard Motor, C = High RPM/Standard Motor, E = High RPM/Large Motor

AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)

2. Unit shipped with standard drive package with drive sheave 2.5 turns open unless otherwise requested. Field adjustment may be required for specified CFM.

3. ISO/AHRI rating point with standard drive package and drive sheave open 3.0 turns at .30 ESP.

4. Performance data does not include drive losses and is based on sea level conditions.

5. All airflow is rated at lowest voltage if unit is dual rated, i.e., rated at 208 volts for 208-230 volt units.

Table 10 — 50RTP12 Blower Performance Data

AIRFLOW

(cfm)

3600

3800

4000

4200

4400

4600

4800

5000

5200

5400

5600

5800

6000

ESP

bhp 0.86 0.93 1.01 1.10 1.18 1.26 1.36 1.46 1.57 1.68 1.77 1.86 1.94 2.03 2.14 2.27 2.38 2.52 2.70 2.86 3.04

Sheave/MotorBBBBBAAAAAAACCCCCCCCE

rpm 640 672 704 732 760 788 816 840 868 896 924 952 980 1008 1036 1068 1096 1124 1160 1192 1228

Turns Open 5.5 5.0 4.0 3.0 2.0 6.0 5.0 4.5 3.5 3.0 2.0 1.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0

bhp 1.06 1.15 1.24 1.33 1.41 1.51 1.59 1.69 1.77 1.87 1.95 2.03 2.13 2.23 2.36 2.49 2.60 2.74 2.88 3.04 3.18

Sheave/MotorBBBBAAAAAAAACCCCCCCEE

rpm 672 704 732 760 788 816 840 868 892 920 944 968 996 1020 1048 1076 1100 1128 1156 1188 1216

Turns Open 5.0 4.0 3.0 2.0 6.0 5.0 4.5 3.5 3.0 2.0 1.5 1.0 6.0 5.5 5.0 4.0 3.5 3.0 2.5 2.0 2.0

bhp 1.23 1.31 1.41 1.51 1.61 1.69 1.77 1.87 1.96 2.04 2.13 2.22 2.32 2.44 2.56 2.70 2.81 2.92 3.04 3.16 3.30

Sheave/MotorBBBAAAAAAAACCCCCCCE EE

rpm 708 732 760 788 816 840 864 892 916 940 964 988 1012 1036 1060 1088 1112 1136 1164 1192 1216

Turns Open 4.0 3.0 2.0 6.0 5.0 4.5 4.0 3.0 2.5 1.5 1.0 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5

bhp 1.25 1.4 1.591.711.791.871.972.062.142.242.342.442.552.662.752.863.003.123.253.383.52

Sheave/MotorBBAAAAAAAACCCCCCE EEEE

rpm 696 736 784 816 840 864 892 916 936 960 984 1008 1032 1056 1076 1100 1124 1148 1172 1196 1220

Turns Open 3.5 3.0 6.0 5.0 4.5 4.0 3.0 2.5 2.0 1.0 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.5

bhp 1.56 1.69 1.79 1.88 1.96 2.04 2.14 2.24 2.35 2.45 2.54 2.65 2.74 2.85 2.96 3.07 3.20 3.34 3.45 3.59 3.74

Sheave/MotorBAAAAAAAACCCCCCE EEEEE

rpm 752 784 812 836 860 884 908 932 956 980 1000 1024 1044 1068 1092 1112 1136 1160 1180 1204 1228

Turns Open 2.5 6.0 5.0 4.5 4.0 3.0 2.5 2.0 1.0 6.0 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0

bhp 1.77 1.88 1.96 2.05 2.13 2.22 2.33 2.42 2.53 2.62 2.75 2.85 3.00 3.11 3.22 3.32 3.44 3.54 3.64 3.78 3.92

Sheave/MotorBAAAAAAAACCCEEEEEEEEE

rpm 780 808 832 856 880 904 928 948 972 992 1016 1036 1060 1084 1104 1124 1148 1168 1188 1212 1232

Turns Open 1.5 5.5 4.5 4.0 3.5 2.5 2.0 1.5 1.0 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 2.0 1.5 1.0

bhp 1.98 2.08 2.17 2.27 2.37 2.48 2.57 2.67 2.76 2.89 3.00 3.11 3.22 3.33 3.44 3.55 3.68 3.79 3.9 4.04 4.18

Sheave/MotorAAAAAAAACCEEEEEEEEEEE

rpm 808 832 856 880 904 928 948 972 992 1016 1036 1056 1076 1096 1116 1136 1160 1180 1200 1220 1240

Turns Open 5.5 4.5 4.0 3.5 2.5 2.0 1.5 1.0 6.0 5.5 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.0 1.5 1.0 1.0

bhp 2.18 2.30 2.41 2.52 2.61 2.71 2.80 2.89 3.01 3.12 3.23 3.34 3.46 3.57 3.69 3.81 3.93 4.05 4.18 4.32 —

Sheave/MotorAAAAAAACEEEEEEEEEEEE—

rpm 828 856 880 904 924 948 968 988 1012 1032 1052 1072 1092 1112 1132 1152 1172 1192 1212 1232 —

Turns Open 4.54.03.52.52.01.51.06.05.55.04.54.54.03.53.02.52.01.51.51.0 —

bhp 2.41 2.50 2.60 2.72 2.82 2.94 3.04 3.17 3.29 3.44 3.58 3.70 3.82 3.92 4.01 4.13 4.23 4.33 4.47 — —

Sheave/MotorAAAAAAEEEEEEEEEEEEE——

rpm 852 876 900 924 944 968 988 1012 1032 1056 1080 1100 1120 1136 1152 1172 1188 1204 1224 — —

Turns Open 4.0 3.5 2.5 2.0 1.0 1.0 6.0 5.5 5.0 4.5 4.0 4.0 3.0 3.0 2.5 2.0 2.0 1.5 1.0 — —

bhp 2.64 2.75 2.87 3.00 3.10 3.20 3.30 3.41 3.52 3.63 3.74 3.86 4.00 4.11 4.25 4.39 4.53 4.64 4.78 — —

Sheave/MotorAAADDEEEEEEEEEEEEEE——

rpm 876 900 924 944 968 988 1008 1028 1048 1068 1088 1108 1128 1144 1164 1184 1204 1220 1240 — —

Turns Open 3.5 3.0 2.0 1.5 1.0 6.0 5.5 5.0 5.0 4.5 4.0 3.5 3.0 2.5 2.5 2.0 1.5 1.0 1.0 — —

bhp 2.88 2.98 3.10 3.20 3.32 3.42 3.54 3.66 3.78 3.90 4.03 4.14 4.28 4.42 4.53 4.67 4.78 4.92 — — —

Sheave/MotorADDDEEEEEEEEEEEEEE———

rpm 896 916 940 960 984 1004 1024 1044 1064 1084 1104 1120 1140 1160 1176 1196 1212 1232 — — —

Turns Open 3.02.51.51.06.05.55.55.04.54.03.53.03.02.52.01.51.51.0 — — —

bhp 3.12 3.25 3.36 3.47 3.60 3.72 3.84 3.96 4.08 4.18 4.31 4.45 4.56 4.70 4.84 4.96 — — — — —

Sheave/MotorDDDEEEEEEEEEEEEE—————

rpm 912 936 956 976 1000 1020 1040 1060 1080 1096 1116 1136 1152 1172 1192 1208 — — — — —

Turns Open 2.5 2.0 1.0 6.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 3.0 2.5 2.0 1.5 1.5 — — — — —

bhp 3.36 3.49 3.63 3.74 3.86 3.99 4.12 4.25 4.37 4.48 4.62 4.76 4.88 — — — — — — — —

Sheave/MotorDDDEEEEEEEEEE————————

rpm 928 952 976 996 1016 1036 1056 1076 1096 1112 1132 1152 1168 — — — — — — — —

Turns Open 2.0 1.5 1.0 6.0 5.5 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.0 — — — — — — — —

0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.41.51.61.71.81.92.0

LEGEND

bhp — Brake Horsepower ESP — External Static Pressure

NOTES:

1. A = Standard RPM/Standard Motor, B = Low RPM/Standard Motor, C = High RPM/Standard Motor, D = Standard RPM/ Large Motor, E = High RPM/Large Motor

AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)

2. Unit shipped with standard drive package with drive sheave 2.5 turns open unless otherwise requested. Field adjustment may be required for specified CFM.

3. ISO/AHRI rating point with standard drive package and drive sheave open 3.0 turns at .30 ESP.

4. Performance data does not include drive losses and is based on sea level conditions.

5. All airflow is rated at lowest voltage if unit is dual rated, i.e., rated at 208 volts for 208-230 volt units.

Table 11 — 50RTP14 Blower Performance Data

AIRFLOW

(cfm)

4200

4400

4600

4800

5000

5200

5400

5600

5800

6000

6200

ESP

bhp — — — — 0.830.910.991.061.151.251.351.451.541.641.721.821.911.992.062.142.22

Sheave/Motor————BBBAAAAAAAACCCCCC

rpm — — — — 575 612 644 676 708 736 764 792 816 840 860 884 908 928 944 964 984

Turns Open — — — — 5.54.03.06.05.04.53.52.52.01.51.05.55.04.54.03.53.0

bhp — — — — 0.890.981.081.171.251.341.431.521.631.741.851.942.042.122.202.282.36

Sheave/Motor————BBBAAAAAAACCCCCCC

rpm — — — — 587 620 656 688 716 744 772 800 824 848 872 892 916 936 956 976 996

Turns Open — — — — 5.04.02.55.54.54.03.02.52.01.05.55.04.54.04.03.53.0

bhp — — — 0.86 0.95 1.06 1.16 1.28 1.36 1.43 1.50 1.60 1.73 1.85 1.98 2.10 2.18 2.26 2.34 2.42 2.50

Sheave/Motor———BBBBAAAAAAACCCCCCC

rpm — — — 558 596 632 664 700 728 752 780 808 832 856 880 904 924 944 964 984 1004

Turns Open — — — 6.04.53.52.55.04.54.03.02.01.51.05.55.04.54.03.53.02.5

bhp — — — 0.93 1.01 1.13 1.24 1.34 1.42 1.49 1.57 1.68 1.81 1.93 2.06 2.18 2.27 2.37 2.47 2.56 2.66

Sheave/Motor———BBBAAAAAAACCCCCCCC

rpm — — — 571 604 640 676 708 736 760 788 816 840 864 888 912 932 952 972 992 1012

Turns Open — — — 5.54.53.06.05.04.03.53.02.01.56.05.04.54.54.03.53.02.5

bhp — — — 1.03 1.13 1.25 1.36 1.45 1.54 1.62 1.71 1.83 1.99 2.12 2.26 2.35 2.46 2.54 2.63 2.72 2.83

Sheave/Motor———BBBAAAAAAACCCCCCCC

rpm — — — 583 616 652 688 716 744 768 796 820 848 872 896 916 940 960 980 1000 1020

Turns Open — — — 5.04.02.55.54.54.03.52.52.01.05.55.04.54.03.53.03.02.5

bhp — — 1.02 1.11 1.22 1.34 1.47 1.58 1.69 1.78 1.90 2.00 2.13 2.23 2.34 2.45 2.59 2.70 2.84 3.00 3.03

Sheave/Motor——BBBBAAAAAAACCCCCCEE

rpm — — 558 596 628 660 696 724 752 776 804 828 856 880 904 924 948 968 992 1012 1028

Turns Open — — 6.0 4.5 3.5 2.5 5.5 4.5 4.0 3.0 2.5 1.5 1.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0

bhp — — 1.12 1.21 1.33 1.43 1.54 1.65 1.76 1.86 1.99 2.12 2.26 2.41 2.54 2.65 2.77 2.88 3.00 3.10 3.19

Sheave/Motor——BBBAAAAAAAACCCCCEEE

rpm — — 571 604 640 672 704 732 760 784 812 836 860 888 912 932 956 976 1000 1020 1036

Turns Open — — 5.5 4.5 3.0 6.0 5.0 4.5 3.5 3.0 2.0 1.5 1.0 5.0 4.5 4.5 4.0 3.5 3.0 2.5 2.0

bhp — — 1.23 1.33 1.43 1.54 1.66 1.79 1.91 2.04 2.17 2.27 2.38 2.50 2.63 2.79 3.00 3.09 3.24 3.32 3.41

Sheave/Motor——BBBAAAAAAACCCCEEEEE

rpm — — 583 616 648 680 712 740 764 792 820 844 868 896 916 940 964 984 1008 1024 1044

Turns Open — — 5.0 4.0 3.0 5.5 5.0 4.0 3.5 2.5 2.0 1.5 6.0 5.0 4.5 4.0 3.5 3.0 2.5 2.5 2.0

bhp — 1.221.311.421.541.651.771.892.012.122.282.412.552.712.833.003.143.273.403.473.57

Sheave/Motor—BBBBAAAAAAACCCEEEEEE

rpm — 563 596 628 660 692 720 748 776 800 828 852 876 904 924 948 972 992 1016 1032 1052

Turns Open — 5.5 4.5 3.5 2.5 5.5 4.5 4.0 3.0 2.5 1.5 1.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5

bhp — 1.331.431.531.631.741.902.062.212.332.462.562.672.813.003.153.333.483.573.663.74

Sheave/Motor—BBBAAAAAAAACEEEEEEEE

rpm — 575 608 640 672 704 732 760 788 812 840 864 888 912 932 956 980 1000 1020 1040 1060

Turns Open — 5.5 4.0 3.0 6.0 5.0 4.5 3.5 3.0 2.0 1.5 1.0 5.0 4.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5

bhp 1.35 1.44 1.56 1.69 1.82 1.95 2.07 2.18 2.30 2.45 2.59 2.72 2.86 3.05 3.14 3.29 3.44 3.56 3.68 3.79 3.90

Sheave/MotorBBBBAAAAAAACCEEEEEEEE

rpm 558 587 620 652 684 716 744 768 796 824 848 872 896 920 940 964 988 1008 1028 1048 1068

Turns Open 6.0 5.0 4.0 2.5 5.5 4.5 4.0 3.5 2.5 2.0 1.5 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 2.0 1.5

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0

LEGEND

bhp — Brake Horsepower ESP — External Static Pressure

NOTES:

1. A = Standard RPM/Standard Motor, B = Low RPM/Standard Motor, C = High RPM/Standard Motor, D = Standard RPM/ Large Motor, E = High RPM/Large Motor

AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)

2. Unit shipped with standard drive package with drive sheave 2.5 turns open unless otherwise requested. Field adjustment may be required for specified CFM.

3. ISO/AHRI rating point with standard drive package and drive sheave open 3.0 turns at .30 ESP.

4. Performance data does not include drive losses and is based on sea level conditions.

5. All airflow is rated at lowest voltage if unit is dual rated, i.e., rated at 208 volts for 208-230 volt units.

Table 11 — 50RTP14 Blower Performance Data (cont)

AIRFLOW

(cfm)

6400

6600

6800

7000

ESP

bhp 1.43 1.54 1.66 1.78 1.90 2.05 2.21 2.37 2.52 2.62 2.73 2.83 2.95 3.13 3.28 3.47 3.65 3.76 3.87 3.97 4.08

Sheave/MotorBBBBAAAAAAACCEEEEEEEE

rpm 571 604 636 664 696 724 752 780 808 832 856 880 904 928 948 972 996 1016 1036 1056 1076

Turns Open 5.5 4.5 3.5 2.5 5.5 4.5 4.0 3.0 2.5 1.5 1.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0

bhp 1.55 1.68 1.83 1.96 2.12 2.24 2.36 2.47 2.61 2.74 3.00 3.01 3.17 3.34 3.48 3.66 3.82 3.94 4.06 4.16 4.28

Sheave/MotorBBBAAAAAAADEEEEEEEEEE

rpm 583 616 648 676 708 736 764 788 816 840 864 888 912 936 956 980 1004 1024 1044 1060 1080

Turns Open 5.0 4.0 3.0 6.0 5.0 4.0 3.5 3.0 2.0 1.5 1.0 5.0 4.5 4.0 3.5 3.0 2.5 2.5 2.0 1.5 1.0

bhp 1.68 1.80 1.94 2.08 2.23 2.37 2.52 2.68 2.79 3.00 3.07 3.10 3.28 3.47 3.63 3.82 3.97 4.11 4.25 4.38 4.52

Sheave/MotorBBBAAAAAADDEEEEEEEEEE

rpm 600 628 660 692 720 744 772 800 824 848 872 896 920 944 964 988 1008 1028 1048 1068 1088

Turns Open 4.5 3.5 2.5 5.5 4.5 4.0 3.0 2.5 2.0 1.0 1.0 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.5 1.0

bhp 1.79 1.97 2.12 2.3 2.4 2.53 2.65 2.76 2.9 3.10 3.17 3.31 3.50 3.66 3.86 4.05 4.18 4.31 4.44 4.57 4.69

Sheave/MotorBBAAAAAAADEEEEEEEEEEE

rpm 612 644 672 704 728 756 784 808 832 856 880 904 928 948 972 996 1016 1036 1056 1076 1096

Turns Open 4.0 3.0 6.0 5.0 4.5 3.5 3.0 2.5 1.5 1.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 1.0

0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.41.51.61.71.81.92.0

LEGEND

bhp — Brake Horsepower ESP — External Static Pressure

NOTES:

1. A = Standard RPM/Standard Motor, B = Low RPM/Standard Motor, C = High RPM/Standard Motor, D = Standard RPM/ Large Motor, E = High RPM/Large Motor

AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)

2. Unit shipped with standard drive package with drive sheave 2.5 turns open unless otherwise requested. Field adjustment may be required for specified CFM.

3. ISO/AHRI rating point with standard drive package and drive sheave open 3.0 turns at .30 ESP.

4. Performance data does not include drive losses and is based on sea level conditions.

5. All airflow is rated at lowest voltage if unit is dual rated, i.e., rated at 208 volts for 208-230 volt units.

Table 12 — 50RTP20 Blower Performance Data

AIRFLOW

(cfm)

6,000

6,200

6,400

6,600

6,800

7,000

7,200

7,400

7,600

7,800

8,000

8,200

8,400

ESP

bhp — 1.501.601.711.852.012.172.322.422.532.632.752.933.123.273.453.553.643.733.813.88

Sheave/Motor—BBBBBAAAAAAAAAACCCCC

rpm — 632 664 696 724 752 780 808 832 856 880 904 928 952 972 996 1016 1036 1056 1076 1092

Turns Open — 6.0 5.5 4.5 3.5 2.5 6.0 5.5 4.5 4.0 3.5 2.5 2.0 1.5 1.0 0.0 5.5 5.0 4.5 4.0 4.0

bhp — 1.671.801.932.062.182.302.432.572.702.842.983.143.263.423.563.683.773.883.994.11

Sheave/Motor—BBBBBAAAAAAAAACCCCCC

rpm — 648 680 712 740 768 796 820 844 868 892 916 940 960 984 1008 1028 1044 1064 1084 1104

Turns Open — 5.5 5.0 3.5 3.0 2.0 5.5 5.0 4.5 3.5 3.0 2.5 1.5 1.0 0.5 6.0 5.0 5.0 4.5 4.0 3.5

bhp 1.66 1.79 1.90 2.05 2.21 2.37 2.52 2.62 2.73 2.83 2.95 3.13 3.32 3.47 3.65 3.76 3.87 3.97 4.08 4.18 4.33

Sheave/MotorBBBBBAAAAAAAAAACCCCCC

rpm 636 668 696 724 752 780 808 832 856 880 904 928 952 972 996 1016 1036 1056 1076 1096 1116

Turns Open 6.0 5.0 4.5 3.5 2.5 6.0 5.5 4.5 4.0 3.5 2.5 2.0 1.5 1.0 0.0 5.5 5.0 4.5 4.0 3.5 3.5

bhp 1.85 2 2.132.262.382.502.632.772.903.043.203.373.513.683.853.974.094.184.304.434.59

Sheave/MotorBBBBBAAAAAAAAACCCCCCC

rpm 652 684 712 740 768 796 820 844 868 892 916 940 960 984 1008 1028 1048 1064 1084 1104 1124

Turns Open 5.5 4.5 3.5 3.0 2.0 5.5 5.0 4.5 3.5 3.0 2.5 1.5 1.0 0.5 6.0 5.0 4.5 4.5 4.0 3.5 3.0

bhp 2.00 2.14 2.28 2.43 2.57 2.72 2.82 2.93 3.03 3.15 3.34 3.54 3.70 3.89 4.03 4.16 4.30 4.44 4.57 4.73 4.86

Sheave/MotorBBBBAAAAAAAAAACCCCCCC

rpm 672 704 728 756 780 808 832 856 880 904 928 952 972 996 1016 1036 1056 1076 1096 1116 1132

Turns Open 5.0 4.0 3.0 2.5 6.0 5.5 4.5 4.0 3.5 2.5 2.0 1.5 1.0 0.0 5.5 5.0 4.5 4.0 3.5 3.5 3.0

bhp 2.21 2.35 2.47 2.58 2.70 2.83 2.97 3.10 3.24 3.41 3.60 3.76 3.95 4.13 4.26 4.36 4.49 4.62 4.76 5.00 5.07

Sheave/MotorBBBBAAAAAAAAACCCCCCEE

rpm 688 716 744 768 796 820 844 868 892 916 940 960 984 1008 1028 1044 1064 1084 1104 1124 1140

Turns Open 4.5 3.5 2.5 2.0 5.5 5.0 4.5 3.5 3.0 2.5 1.5 1.0 0.5 6.0 5.0 5.0 4.5 4.0 3.5 3.0 3.0

bhp 2.34 2.5 2.662.792.943.073.173.303.433.603.773.924.094.244.394.554.704.855.035.175.36

Sheave/MotorBBBAAAAAAAAAACCCCCEEE

rpm 704 732 760 784 812 836 856 880 904 928 952 972 996 1016 1036 1056 1076 1096 1116 1132 1152

Turns Open 4.0 3.0 2.0 6.0 5.0 4.5 4.0 3.5 2.5 2.0 1.5 1.0 0.0 5.5 5.0 4.5 4.0 4.0 3.5 3.0 2.5

bhp 2.57 2.69 2.80 2.92 3.08 3.25 3.41 3.57 3.71 3.87 4.04 4.17 4.34 4.48 4.63 4.77 4.91 5.08 5.24 5.44 5.60

Sheave/MotorBBBAAAAAAAAACCCCCEEEE

rpm 720 748 772 800 824 848 872 896 916 940 964 984 1008 1028 1048 1068 1088 1108 1124 1144 1160

Turns Open 3.5 2.5 1.5 5.5 5.0 4.0 3.5 3.0 2.5 1.5 1.0 0.5 6.0 5.0 5.0 4.5 4.0 3.5 3.0 2.5 2.5

bhp 2.72 2.88 3.01 3.18 3.31 3.46 3.62 3.77 3.94 4.07 4.24 4.37 4.53 4.69 4.85 5.01 5.17 5.35 5.53 5.68 5.86

Sheave/MotorBBAAAAAAAAAACCCEEEEEE

rpm 736 764 788 816 836 860 884 908 932 952 976 996 1016 1036 1056 1076 1096 1116 1136 1152 1172

Turns Open 3.0 2.0 6.0 5.0 4.5 4.0 3.0 2.5 2.0 1.5 0.5 0.0 5.5 5.0 4.5 4.5 4.0 3.5 3.0 2.5 2.0

bhp 2.95 3.10 3.23 3.39 3.55 3.72 3.88 4.02 4.20 4.34 4.51 4.66 4.82 4.98 5.14 5.30 5.47 5.61 5.79 5.96 6.10

Sheave/MotorBAAAAAAAAAACCCEEEEEEE

rpm 752 780 804 828 852 876 900 920 944 964 988 1008 1028 1048 1068 1088 1108 1124 1144 1164 1180

Turns Open 2.5 6.0 5.5 4.5 4.0 3.5 3.0 2.0 1.5 1.0 0.5 6.0 5.0 5.0 4.5 4.0 3.5 3.0 2.5 2.5 2.0

bhp 3.13 3.30 3.46 3.59 3.76 3.92 4.09 4.23 4.40 4.55 4.72 4.90 5.07 5.25 5.42 5.60 5.73 5.89 6.05 6.18 6.34

Sheave/MotorBAAAAAAAAAACEEEEEEEEE

rpm 768 796 820 840 864 888 912 932 956 976 1000 1020 1040 1060 1080 1100 1116 1136 1156 1172 1192

Turns Open 2.0 5.5 5.0 4.5 4.0 3.0 2.5 2.0 1.0 0.5 0.0 5.5 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.0 1.5

bhp 3.37 3.53 3.68 3.84 3.99 4.15 4.30 4.48 4.64 4.79 5.00 5.17 5.36 5.54 5.73 5.86 6.02 6.18 6.31 6.47 6.60

Sheave/MotorAAAAAAAAAAEEEEEEEEEEE

rpm 784 808 832 856 880 904 924 948 968 988 1012 1032 1052 1072 1092 1108 1128 1148 1164 1184 1200

Turns Open 6.0 5.5 4.5 4.0 3.5 2.5 2.0 1.5 1.0 0.5 5.5 5.0 4.5 4.5 4.0 3.5 3.0 2.5 2.5 2.0 1.5

bhp 3.52 3.70 3.88 4.07 4.22 4.40 4.54 4.71 4.86 5.00 5.20 5.40 5.60 5.80 6.00 6.16 6.32 6.45 6.61 6.74 —

Sheave/MotorAAAAAAAAADEEEEEEEEEE—

rpm 800 824 848 872 892 916 936 960 980 1000 1020 1040 1060 1080 1100 1120 1140 1156 1176 1192 —

Turns Open 5.5 5.0 4.0 3.5 3.0 2.5 2.0 1.0 0.5 0.0 5.5 5.0 4.5 4.0 3.5 3.0 3.0 2.5 2.0 1.5 —

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0

LEGEND

bhp — Brake Horsepower ESP — External Static Pressure

NOTES:

1. A = Standard RPM/Standard Motor, B = Low RPM/Standard Motor, C = High RPM/Standard Motor, D = Standard RPM/ Large Motor, E = High RPM/Large Motor

AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)

2. Unit shipped with standard drive package with drive sheave 2.5 turns open unless otherwise requested. Field adjustment may be required for specified CFM.

3. ISO/AHRI rating point with standard drive package and drive sheave open 3.0 turns at .30 ESP.

4. Performance data does not include drive losses and is based on sea level conditions.

5. All airflow is rated at lowest voltage if unit is dual rated, i.e., rated at 208 volts for 208-230 volt units.

Table 12 — 50RTP20 Blower Performance Data (cont)

AIRFLOW

(cfm)

8,600

8,800

9,000

9,200

9,400

9,600

9,800

10,000

ESP

bhp 3.80 3.97 4.11 4.28 4.46 4.62 4.78 5.00 5.14 5.32 5.52 5.72 5.92 6.12 6.30 6.46 6.58 6.74 6.87 — —

Sheave/MotorAAAAAAADDEEEEEEEEEE——

rpm 816 840 860 884 908 928 948 972 992 1012 1032 1052 1072 1092 1112 1132 1148 1168 1184 — —

Turns Open 5.0 4.5 4.0 3.0 2.5 2.0 1.5 1.0 0.0 5.5 5.0 4.5 4.5 4.0 3.5 3.0 2.5 2.0 2.0 — —

bhp 4.06 4.25 4.41 4.60 4.76 5.00 5.11 5.27 5.44 5.64 5.84 6.04 6.24 6.43 6.56 6.72 6.88 7.01 7.17 — —

Sheave/MotorAAAAADDDDEEEEE EEE EE——

rpm 832 856 876 900 920 944 964 984 1004 1024 1044 1064 1084 1104 1120 1140 1160 1176 1196 — —

Turns Open 4.5 4.0 3.5 3.0 2.0 1.5 1.0 0.5 0.0 5.5 5.0 4.5 4.0 3.5 3.0 3.0 2.5 2.0 1.5 — —

bhp 4.30 4.50 4.66 4.86 5.04 5.21 5.39 5.56 5.76 5.96 6.16 6.36 6.56 6.71 6.89 7.07 7.21 7.39 — — —

Sheave/MotorAAAADDDDEEEEEEEEEE———

rpm 848 872 892 916 936 956 976 996 1016 1036 1056 1076 1096 1112 1132 1152 1168 1188 — — —

Turns Open 4.03.53.02.52.01.00.50.05.55.04.54.04.03.53.02.52.02.0 — — —

bhp 4.62 4.78 5.00 5.15 5.32 5.48 5.65 5.84 6.04 6.24 6.44 6.64 6.81 7.02 7.20 7.41 — — — — —

Sheave/MotorAADDDDDEEEEEEEEE—————

rpm 868 888 912 932 952 972 992 1012 1032 1052 1072 1092 1108 1128 1144 1164 — — — — —

Turns Open 3.5 3.0 2.5 2.0 1.5 1.0 0.0 5.5 5.0 4.5 4.5 4.0 3.5 3.0 2.5 2.5 — — — — —

bhp 4.87 5.07 5.25 5.42 5.60 5.77 5.96 6.16 6.36 6.56 6.72 6.92 7.15 7.33 — — — — — — —

Sheave/MotorADDDDDDEEEEEEE———————

rpm 884 908 928 948 968 988 1008 1028 1048 1068 1084 1104 1124 1140 — — — — — — —

Turns Open 3.0 2.5 2.0 1.5 1.0 0.5 0.0 5.0 5.0 4.5 4.0 3.5 3.0 3.0 — — — — — — —

bhp 5.23 5.39 5.55 5.71 5.87 6.04 6.24 6.44 6.64 6.80 7.00 7.24 7.43 — — — — — — — —

Sheave/MotorDDDDDDEEEEEEE————————

rpm 904 924 944 964 984 1004 1024 1044 1064 1080 1100 1120 1136 — — — — — — — —

Turns Open 2.5 2.0 1.5 1.0 0.5 0.0 5.5 5.0 4.5 4.0 3.5 3.0 3.0 — — — — — — — —

bhp 5.505.675.856.026.206.406.606.806.967.167.39——————————

Sheave/MotorDDDDDEEEEEE——————————

rpm 920 940 960 980 1000 1020 1040 1060 1076 1096 1116 ——————————

Turns Open 2.01.51.00.50.05.55.04.54.04.03.5——————————

bhp 5.856.006.186.366.566.766.967.167.32————————————

Sheave/MotorDDDDEEEEE————————————

rpm 940 956 976 996 1016 1036 1056 1076 1092 — — ——————————

Turns Open 1.51.00.50.05.55.04.54.04.0————————————

0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.41.51.61.71.81.92.0

LEGEND

bhp — Brake Horsepower ESP — External Static Pressure

NOTES:

1. A = Standard RPM/Standard Motor, B = Low RPM/Standard Motor, C = High RPM/Standard Motor, D = Standard RPM/ Large Motor, E = High RPM/Large Motor

AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)

2. Unit shipped with standard drive package with drive sheave 2.5 turns open unless otherwise requested. Field adjustment may be required for specified CFM.

3. ISO/AHRI rating point with standard drive package and drive sheave open 3.0 turns at .30 ESP.

4. Performance data does not include drive losses and is based on sea level conditions.

5. All airflow is rated at lowest voltage if unit is dual rated, i.e., rated at 208 volts for 208-230 volt units.

Complete C

BC — Blower Contactor CB — Circuit Breaker CC — Compressor Contactor CO — Sensor, Condensate Overflow ECR — Enthalpy Control Relay FP1 — Sensor, Water Coil Freeze Protection FP2 — Sensor, Air Coil Freeze Protection GFI — Ground Fault Interrupter HP — High-Pressure Switch JW3 — Clippable Field Selection Jumper LAR — Low Ambient Relay LOC — Loss of Charge Pressure Switch MAS — Mixed Air Sensor OAT — Outdoor Air Thermostat PDB — Power Distribution Block RVS — Reversing Valve Solenoid TB — Terminal Block TRANS — Transformer

Factory Line Voltage Wiring Factory Low Voltage Wiring

NOTES:

1. Compressor and blower motor thermally protected internally.

2. All wiring to the unit must comply with NEC (National Electrical Code) and local codes.

3. 208/230-v transformers will be connected for 208-v operation. For 230-v operation, disconnect RED lead at L1, and attach ORG lead to L1. Close open end of RED lead.

4. FPI thermistor provides freeze protection for WATER. When using ANTIFREEZE solutions, cut JW3 jumper.

5. Typical heat pump thermostat wiring shown. Refer to thermostat installation instructions for wiring to the unit. Thermostat wiring must be “Class 1” and voltage rating equal to or greater than unit supply voltage.

6. Factory cut JW1 jumper and dry contact will be available between AL1 and AL2.

7. Transformer secondary ground via Complete C board standoffs and screws to control box. (Ground available from top two standoffs as shown.)

LEGEND

Field Line Voltage Wiring Field Low Voltage Wiring Printed Circuit Trace Optional Wiring

Relay/Contactor Coil

Thermistor

Condensate Pan

Circuit Breaker

Ground

Solenoid Coil

Relay Contacts - N.O.

Relay Contacts - N.C.

Temperature Switch

Switch - Low Pressure

Switch - High Pressure

Wire Nut

Fig. 6 — 50RTP03-06 Units — Typical Control Wiring with Complete C Control

a50-8553

Complete C 2

Fig. 7 — 50RTP08-20 Units — Typical Control Wiring with Complete C Controls and Optional Economizer

See legend and notes on page 24.

a50-8554

Complete C 1

Complete C 2

Complete C 1

Complete C 2

Fig. 8 — Typical Control Wiring with Complete C and LON Controller

50RTP03-06 UNITS

50RTP08-20 UNITS

a50-8555

Complete C

Deluxe D

BC — Blower Contactor CB — Circuit Breaker CC — Compressor Contactor CO — Sensor, Condensate Overflow ECR — Enthalpy Control Relay FP1 — Sensor, Water Coil Freeze Protection FP2 — Sensor, Air Coil Freeze Protection GFI — Ground Fault Interrupter HP — High-Pressure Switch HPWR — High Pressure Water Relay HPWS — High Pressure Water Switch JW3 — Clippable Field Selection Jumper LAR — Low Ambient Relay LOC — Loss of Charge Pressure Switch MAR — Mixed Air Relay MO — Motorized Outside Air Damper MV — Motorized Valve OAT — Outdoor Air Thermostat PDB — Power Distribution Block RVS — Reversing Valve Solenoid TRANS — Transformer

Factory Line Voltage Wiring Factory Low Voltage Wiring

NOTES:

1. Compressor and blower motor thermally protected internally.

2. All wiring to the unit must comply with NEC (National Electrical Code) and local codes.

3. 208/230-v transformers will be connected for 208-v operation. For 230-v operation, disconnect RED lead at L1, and attach ORG lead to L1. Close open end of RED lead.

4. FPI thermistor provides freeze protection for WATER. When using ANTIFREEZE solutions, cut JW3 jumper.

5. Typical heat pump thermostat wiring shown. Refer to thermostat installation instructions for wiring to the unit. Thermostat wiring

must be “Class 1” and voltage rating equal to or greater than unit supply voltage.

6. Factory cut JW1 jumper and dry contact will be available between AL1 and AL2.

7. Transformer secondary ground via Complete C board standoffs and screws to control box. (Ground available from top two standoffs as shown.)

8. Suffix 1 designates association with lead compressor. Suffix 2 designates association with lag compressor.

9. For water valve option, DIP switch 2.1 ON, 2.2 OFF, 2.3 ON.

LEGEND

Field Line Voltage Wiring Field Low Voltage Wiring Printed Circuit Trace Optional Wiring

Relay/Contactor Coil

Thermistor

Condensate Pan

Circuit Breaker

Ground

Solenoid Coil

Relay Contacts - N.O.

Relay Contacts - N.C.

Temperature Switch

Switch - Low Pressure

Switch - High Pressure

Wire Nut

Fig. 9 — 50RTP03-06 Units — Typical Control Wiring with Deluxe D Controls

a50-8556

Fig. 10 — 50RTP08-20 Units — Typical Control Wiring with Deluxe D Controls and Optional Economizer

See legend and notes on page 27.

a50-8557

Deluxe D

Deluxe D 1 Deluxe D 2

Fig. 11 — Typical Control Wiring with Deluxe D and LON Controller

SIZES 03-06

SIZES 08-20

a50-8558

AL1

AL2

CMP1

FAN

PWR

HS1/EXH/RVS

PREMIER

LINK

COMPLETE

CONTROL

PWR

S P

S A

CMPSAFE

AL1

CMP1

FAN

PWR

PREMIER

LINK

DELUXE

CONTROL

PWR

CMPSAFE

HS2

HS1

CMP2

O/W2

S P

S A T

Fig. 12 — Premierlink™ Controller Applications Wiring with Complete C Control

LEGEND

NOTE: Reversing valve is on in Cooling mode.

CR — Control Relay LWT — Leaving Water Temperature Sensor SAT — Supply Air Temperature Sensor SPT — Space Temperature Sensor

Fig. 13 — Premierlink Controller Applications Wiring with Deluxe D Control

LEGEND

NOTE: Reversing valve is on in Cooling mode.

LWT — Leaving Water Temperature Sensor SAT — Supply Air Temperature Sensor SPT — Space Temperature Sensor

WHSP-OPEN

PRIMARY

Fig. 14 — Units with Complete C and WSHP Open Multiple Protocol Controls

A50-8355

LEGEND

BM — Blower Motor

BR — Blower Relay

CO — Condensate Overflow

FSD — Fire/Smoke Detector

LWT — Leaving Water Temperature

N.C. — Normally Closed

OAD — Outside Air Damper

OCC — Occupancy Input Contact

RH — Relative Humidity

SAT — Supply Air Temperature

SPT — Space Temperature

PRIMARY

Fig. 15 — Units with Deluxe D and WSHP Open Multiple Protocol Controls

A50-8354

LEGEND

BM — Blower Motor

BR — Blower Relay

CO — Condensate Overflow

FSD — Fire/Smoke Detector

LWT — Leaving Water Temperature

N.C. — Normally Closed

OAD — Outside Air Damper

OCC — Occupancy Input Contact

RH — Relative Humidity

SAT — Supply Air Temperature

SPT — Space Temperature

PRIMARY

WSHP-OPEN

012207-1BT485BT

LED1

Install BT485 where device is

located at the end of network

segment only.

+ 24vac

(If not installed, it must be connected to DO-5)

DEHUMIDIFY OUTPUT CONTACT (DO-6) (FACTORY OPTION)

FAN SPEED (DO-7) (MED OR LOW)

OA DAMPER (AO-2)

FAN SPEED (DO-8) (HIGH OR FAN ON )

LWT (Input 6)

SAT (LAT) (Input 7)

SPACE CO2

SENSOR

+24vac

4-20mA

AO1 – Aux Reheat or Cond.

WTR. Loop Econ. (AO 1)

-Gnd

Fan (DO-1) (Fan On or Low Speed)

Aux Heat (DO-2)

Reversing Valve (DO-3)

Comp #2 (DO-4)

Comp #1 (DO-5)

Comp Status (DI-5)

SPT PLUS Sensor

Shown

+12V

Rnet-

Rnet+

Gnd

RED

BLACK

WHITE

GREEN

To WSHP Controller

Rnet Terminals (J13)

FIELD INSTALLED

3 45

7 8

2 3

123 4

2 3

123 45678

GREEN

WHITE

BLACK

RED

Field Installed

J12

J13

J20

J19

J22

J17

J11

J14

SPT PLUS

J1 J2

SW3

MSB

LSB

MSTP Baud

9600 19.2k 38.4k 76.8k

SPACE RH

SENSOR

+24vac

4-20mA

FIELD INSTALLED (OPTIONAL) – SEE NOTE 2

Local Access Port

(FIELD-INSTALLED)

PRIMARY

CONDENSATE

OVERFLOW SWITCH

REMOTE OCCUPANCY/

FAN STATUS SWITCH

(FIELD-INSTALLED)

NC FIRE/SMOKE

DETECTOR CONTACT

(FIELD-INSTALLED)

Fig. 16 — WSHP Open Control

WSHP Open Inputs and Outputs Table

*These inputs are configurable.

INPUT/OUTPUT TYPE PART NUMBERS TYPE OF I/O

CONNECTION

PIN NUMBERS

CHANNEL

DESIGNATION

Inputs

Space Temperature Sensor SPS, SPPL, SPP Communicating J13, 1 - 4 Local Access Port

Space Relative Humidity 33ZCSENSRH-01 AI (4 - 20mA) J4, 5 and 6 Analog Input 1

Indoor Air Quality 33ZCSENCO2 AI (4 -20mA) J4, 2 and 3 Analog Input 2

Condensate Switch N/A BI (Dry Contacts) J1, 2 Binary Input 3

Stage 1 Compressor Status N/A BI (Dry Contacts) J1, 10 Binary Input 5

Leaving Condenser Water Temperature 10K Type II AI (10K Thermistor) J2, 1 and 2 Analog Input 6

Supply Air Temperature 33ZCSENSAT AI (10K Thermistor) J2, 3 and 4 Analog Input 7

Outputs

Modulating Valve (Auxiliary Heat/Water

Economizer)

N/A AO (0-10Vdc/2 - 10Vdc) J2 4 and 5* Analog Output 1

Outside Air Damper N/A AO (0-10Vdc/2 - 10Vdc) J22 1 and 2* Analog Output 2

Supply Fan On/Low Speed

(3 Speed Only)

N/A BO Relay (24VAC, 1A) J1, 4* Binary Output 1 (G)

Auxiliary Heat or 2-Position Water Loop

Economizer

N/A BO Relay (24VAC, 1A) J1, 5* Binary Output 2

Reversing Valve (B or O Operation) N/A BO Relay (24VAC, 1A) J1, 6* Binary Output 3 (RV)

Compressor 2nd Stage N/A BO Relay (24VAC, 1A) J1, 7 Binary Output 4 (Y2)

Compressor 1st Stage N/A BO Relay (24VAC, 1A) J1, 8 Binary Output 5 (Y1)

Dehumidification Relay N/A BO Relay (24VAC, 1A) J11, 7 and 8 (NO) Binary Output 6

Fan Speed Medium/Low (3 Speed Only) N/A BO Relay (24VAC, 1A) J11, 5 and 6 (NO)* Binary Output 7

Fan Speed High/Low (3 Speed Only) N/A BO Relay (24VAC, 1A) J11, 2 and 3 (NO)* Binary Output 8

LEGEND

NOTES:

1. Mount the water source heat pump controller in the equipment controls enclosure

with at least two no. 6 x 1 in. self-tapping screws. Allow adequate clearance for wiring.

2. Verify sensor power and wiring requirements prior to making any terminations. Sen-

sors requiring a separate isolated 24 vac power source will not utilize WSHP termi-

nals J4-1, or 4.

AI — Analog Input

AO — Analog Output

BI — Binary Input

BO — Binary Output

SPT — Space Temperature

Factory Wiring

Field Wiring

Step 8 — Connect Low Voltage Wiring

Capacitor

Circ Brkr

Grnd

Contactor-CC

Transformer

Aquazone “C”

See Note Low Voltage Connector

THERMOSTAT WIRED DIRECTLY TO CONTROL BOARD

NOTE: Low voltage connector may be removed for easy installation.

Fig. 17 — Low Voltage Field Wiring

THERMOSTAT

Compressor-Stage 1

Reversing Valve

Fan

24Vac Hot

CompleteC 1

24Vac Com

Compressor-Stage 2

CompleteC 2

Fig. 18 — Thermostat Wiring to Complete C Board

THERMOSTAT

Compressor-Stage 1

Reversing Valve

Fan

24Vac Hot

Deluxe D 1

24Vac Com

Compressor-Stage 2

AL1

COM 2

Deluxe D 2

Fig. 19 — Thermostat Wiring to Deluxe D Board

TYPICAL WATER VALVE

24 VAC

TERMINAL STRIP P2

AQUAZONE CONTROL (C Control Shown)

Fig. 20 — Typical Aquazone Control Board

Jumper Locations

Fig. 21 — Typical D Control Accessory Wiring

THERMOSTAT CONNECTIONS — The thermostat should be wired directly to the Aquazone™ control board. See Fig. 17-19.

WATER FREEZE PROTECTION — The Aquazone control allows the field selection of source fluid freeze protection points through jumpers. The factory setting of jumper JW3 (FP1) is set for water at 30 F. In earth loop applications, jumper JW3 should be clipped to change the setting to 13 F when using antifreeze in colder earth loop applications. See Fig. 20.

AIR COIL FREEZE PROTECTION — The air coil freeze protection jumper JW2 (FP2) is factory set for 30 F and should not need adjusting, unless using anti-freeze.

ACCESSORY CONNECTIONS — Terminal labeled A on the control is provided to control accessory devices such as water valves, electronic air cleaners, humidifiers, etc. This signal operates with the compressor terminal. See Fig. 21. Refer to the specific unit wiring schematic for details.

NOTE: The A terminal should only be used with 24 volt signals — not line voltage signals.

WATER SOLENOID VALVES — Water solenoid valves may be used on primary secondary pump and ground water installations. A typical well water control valve wiring which can limit waste water in a lockout condition is shown in Fig. 21. A slow closing valve may be required to prevent water hammer. When using a slow closing valve, special wiring conditions need to be considered. The valve takes approximately 60 seconds to open (very little water will flow before 45 seconds) and it activates the compressor only after the valve is completely opened by closing its end switch. When wired as shown, the valve will have the following operating characteristics:

1. Remain open during a lockout.

2. Draw approximately 25 to 35 VA through the “Y” signal of the thermostat.

IMPORTANT: This can overheat the anticipators of electromechanical thermostats. Only use relay based electronic thermostats.

PRE-START-UP

System Checkout —

and the system is cleaned and flushed, follow the System Checkout procedure outlined below.

1. Voltage: Ensure that the voltage is within the utilization range specifications of the unit compressor and fan motor.

2. System Water Temperature: Ensure that the system water temperature is within an acceptable range to facilitate start-up. (When conducting this check, also verify proper heating and cooling set points.)

3. System Water pH: Verify system water acidity (pH = 7.5 or 8.5). Proper pH promotes the longevity of hoses and heat exchangers.

4. System Flushing: Properly clean and flush the system periodically. Ensure that all supply and return hoses are connected end-to-end to facilitate system flushing and prevent fouling of the heat exchanger by system water. Water used in the system must be potable and should not contain dirt, piping slag, and chemical cleaning agents.

5. Closed-Type Cooling Tower or Open Tower with Heat Exchanger: Check equipment for proper temperature set points and operation.

6. Verify Balanced Water Flow Rate to Heat Pump.

7. Standby Pump: Verify that the standby pump is properly installed and in operating condition.

8. Access Panels: Assure that all access panels in the filter and fan section are securely closed.

9. Air Dampers: Assure that all air dampers are properly set.

10. System Controls: To ensure that no catastrophic system failures occur, verify that system controls are functioning and that the sequencing is correct.

11. Freeze Protection for Water System: Verify that freeze protection is provided for the building loop water system when outdoor design conditions require it. Inadequate freeze protection can lead to expensive tower and system piping repairs.

12. System Water Loop: Verify that all air is bled from the system. Air in the system impedes unit operation and causes corrosion in the system piping.

13. Unit Filters: To avoid system damage, check that the unit filter is clean.

14. Unit Fans: Manually rotate fans to assure free rotation. Ensure that fans are properly secured to the fan shaft. Do not oil fan motors on start-up since they are lubricated at the factory.

15. System Control Center: Examine the system control and alarm panel for proper installation and operation to ensure control of the temperature set-points for operation of the system’s heat rejector and boiler (when used).

16. Miscellaneous: Note any questionable aspects of the installation.

17. Air Coil: To obtain maximum performance, the air coil should be cleaned before starting the unit. A ten percent solution of dishwasher detergent and water is recommended for both sides of the coil. Rinse thoroughly with water.

When the installation is complete

FIELD SELECTABLE INPUTS

Jumpers and DIP (dual in-line package) switches on the control board are used to customize unit operation and can be configured in the field.

IMPORTANT: Jumpers and DIP switches should only be clipped when power to control board has been turned off.

Complete C Control Jumper Settings (See Fig. 6 and 7)

WATER COIL FREEZE PROTECTION (FP1) LIMIT SETTING — Select jumper 3, (JW3-FP1 Low Temp) to choose FP1 limit of 10 F or 30 F. To select 30 F as the limit, DO NOT clip the jumper. To select 10 F as the limit, clip the jumper.

AIR COIL FREEZE PROTECTION (FP2) LIMIT SETTING — Select jumper 2 (JW2-FP2 Low Temp) to choose FP2 limit of 10 F or 30 F. To select 30 F as the limit, DO NOT clip the jumper. To select 10 F as the limit, clip the jumper.

ALARM RELAY SETTING — Select jumper 1 (JW1-AL2 Dry) for connecting alarm relay terminal (AL2) to 24 vac (R) or to remain as a dry contact (no connection). To connect AL2 to R, do not clip the jumper. To set as dry contact, clip the jumper.

Complete C Control DIP Switches — The Com-

plete C control has 1 DIP switch block with two switches. See Fig. 6 and 7.

PERFORMANCE MONITOR (PM) — DIP switch 1 will enable or disable this feature. To enable the PM, set the switch to ON. To disable the PM, set the switch to OFF.

STAGE 2 — DIP switch 2 will enable or disable compressor delay. Set DIP switch to OFF for stage 2 in which the compressor will have a 3-second delay before energizing.

NOTE: The alarm relay will not cycle during Test mode if switch is set to OFF, stage 2.

Deluxe D Control Jumper Settings (See Fig. 9 and 10)

ALARM RELAY SETTING — Select jumper 4 (JW4-AL2 Dry) for connecting alarm relay terminal (AL2) to 24 vac (R) or to remain as a dry contact (no connection). To connect AL2 to R, do not clip the jumper. To set as dry contact, clip the jumper.

LOW PRESSURE SETTING — The Deluxe D control can be configured for Low Pressure Setting (LP). Select jumper 1 (JW1-LP Norm Open) for choosing between low pressure input normally opened or closed. To configure for normally closed operation, do not clip the jumper. To configure for normally open operation, clip the jumper.

Deluxe D Control DIP Switches — The Deluxe D

control has 2 DIP switch blocks. Each DIP switch block has 8 switches and is labeled either S1 or S2 on the circuit board.

DIP SWITCH BLOCK 1 (S1) — This set of switches offers the following options for Deluxe D control configuration:

Performance Monitor (PM) able performance monitor. To enable the PM, set the switch to ON. To disable the PM, set the switch to OFF.

Compressor Relay Staging Operation able or disable compressor relay staging operation. The compressor relay can be set to turn on with stage 1 or stage 2 call

— Set switch 1 to enable or dis-

— Switch 2 will en-

from the thermostat. This setting is used with dual stage units (units with 2 compressors and 2 Deluxe D controls) or in master/slave applications. In master/slave applications, each compressor and fan will stage according to its switch 2 setting. If switch is set to stage 2, the compressor will have a 3-second delay before energizing during stage 2 demand.

NOTE: If DIP switch is set for stage 2, the alarm relay will not cycle during Test mode.

Heating/Cooling Thermostat Type

— Switch 3 provides selection of thermostat type. Heat pump or heat/cool thermostats can be selected. Select OFF for heat/cool thermostats. When in heat/cool mode, Y1 is used for cooling stage 1, Y2 is used for cooling stage 2, W1 is used for heating stage 1 and O/W2 is used for heating stage 2. Select ON for heat pump applications. In heat pump mode, Y1 used is for compressor stage 1, Y2 is used for compressor stage 2, W1 is used for heating stage 3 or emergency heat, and O/W2 is used for RV (heating or cooling) depending upon switch 4 setting.

O/B Thermostat Type

— Switch 4 provides selection for heat pump O/B thermostats. O is cooling output. B is heating output. Select ON for heat pumps with O output. Select OFF for heat pumps with B output.

Dehumidification Fan Mode

— Switch 5 provides selection of normal or dehumidification fan mode. Select OFF for dehumidification mode. The fan speed relay will remain OFF during cooling stage 2. Select ON for normal mode. The fan speed relay will turn on during cooling stage 2 in normal mode.

Switch 6 Boilerless Operation

— Not used.

— Switch 7 provides selection of boilerless operation and works in conjunction with switch 8. In boilerless operation mode, only the compressor is used for heating when FP1 is above the boilerless changeover temperature set by switch 8 below. Select ON for normal operation or select OFF for boilerless operation.

Boilerless Changeover Temperature

— Switch 8 on S1 provides selection of boilerless changeover temperature set point. Select OFF for set point of 50 F or select ON for set point of 40 F.

If switch 8 is set for 50 F, then the compressor will be used for heating as long as the FP1 is above 50 F. The compressor will not be used for heating when the FP1 is below 50 F and the compressor will operates in emergency heat mode, staging on EH1 and EH2 to provide heat. If a thermal switch is being used instead of the FP1 thermistor, only the compressor will be used for heating mode when the FP1 terminals are closed. If the FP1 terminals are open, the compressor is not used and the control goes into emergency heat mode.

DIP SWITCH BLOCK 2 (S2) — This set of DIP switches is used to configure accessory relay options.

Switches 1 to 3

— These DIP switches provide selection of Accessory 1 relay options. See Table 13 for DIP switch combinations.

Switches 4 to 6

— These DIP switches provide selection of Accessory 2 relay options. See Table 14 for DIP switch combinations.

Auto Dehumidification Mode or High Fan Mode

— Switch 7 provides selection of auto dehumidification fan mode or high fan mode. In auto dehumidification fan mode the fan speed relay will remain off during cooling stage 2 if terminal H is active. In high fan mode, the fan enable and fan speed relays will turn on when terminal H is active. Set the switch to ON for auto dehumidification fan mode or to OFF for high fan mode.

Switch 8

— Not used.

Table 13 — DIP Switch Block S2 —

Accessory 1 Relay Options

ACCESSORY 1

RELAY OPTIONS

Cycle with Fan On On On

Digital NSB Off On On

Water Valve — Slow Opening On Off On

OAD On On Off

LEGEND

NSB — Night Setback OAD — Outside Air Damper

NOTE: All other DIP switch combinations are invalid.

DIP SWITCH POSITION

123

Table 14 — DIP Switch Block S2 —

Accessory 2 Relay Options

ACCESSORY 2

RELAY OPTIONS

Cycle with Fan On On On

Digital NSB Off On On

Water Valve — Slow Opening On Off On

OAD On On Off

LEGEND

NSB — Night Setback OAD — Outside Air Damper

NOTE: All other switch combinations are invalid.

DIP SWITCH POSITION

456

Deluxe D Control Accessory Relay Configurations — The following accessory relay settings are applica-

ble for both Deluxe D controls only: CYCLE WITH FAN — In this configuration, the relay will be

ON any time the Fan Enable relay is on. CYCLE WITH COMPRESSOR — In this configuration, the

relay will be ON any time the Compressor relay is on. DIGITAL NIGHT SET BACK (NSB) — In this configura-

tion, the relay will be ON if the NSB input is connected to ground C.

NOTE: If there are no relays configured for digital NSB, then the NSB and OVR inputs are automatically configured for mechanical operation.

MECHANICAL NIGHT SET BACK — When NSB input is connected to ground C, all thermostat inputs are ignored. A thermostat set back heating call will then be connected to the OVR input. If OVR input becomes active, then the Deluxe D control will enter Night Low Limit (NLL) staged heating mode. The NLL staged heating mode will then provide heating during the NSB period.

Water Valve (Slow Opening) — If relay is config-

ured for Water Valve (slow opening), the relay will start 60 seconds prior to starting compressor relay.

Outside-Air Damper (OAD) — If relay is configured

for OAD, the relay will normally be ON any time the Fan Enable relay is energized. The relay will not start for 30 minutes following a return to normal mode from NSB, when NSB is no longer connected to ground C. After 30 minutes, the relay will start if the Fan Enable is set to ON.

CAUTION

To avoid equipment damage, DO NOT leave system filled in a building without heat during the winter unless antifreeze is added to system water. Condenser coils never fully drain by themselves and will freeze unless winterized with antifreeze.

START-UP

Use the procedure outlined below to initiate proper unit

start-up. NOTE: This equipment is designed for indoor installation only.

Operating Limits

ENVIRONMENT — This equipment is designed for outdoor installation ONLY. Extreme variations in temperature, humidity and corrosive water or air will adversely affect the unit performance, reliability and service life.

POWER SUPPLY — A voltage variation of ± 10% of nameplate utilization voltage is acceptable.

UNIT STARTING CONDITIONS — See Table 15 for unit starting conditions.

Table 15 — Starting Conditions — 50RTP Units

AIR LIMITS COOLING HEATING Minimum Entering Air 40 F 40 F Maximum Entering Air (db) 110 F 80 F

WATER LIMITS Minimum Entering Fluid 40 F 20 F Maximum Entering Fluid 120 F 90 F

LEGEND

db — Dry Bulb

NOTE: These starting conditions are not normal or continuous operating conditions. It is assumed that such a start-up is for the purpose of bringing the building space up to occupancy temperature. See Table 16 for operating limits.

WARNING

When the disconnect switch is closed, high voltage is present in some areas of the electrical panel. Exercise caution when working with the energized equipment.

1. Restore power to system.

2. Turn thermostat fan position to ON. Blower should start.

3. Balance airflow at registers.

4. Adjust all valves to the full open position and turn on the line power to all heat pump units.

5. Operate unit in the cooling cycle. Room temperature should be approximately 70 to 75 F dry bulb. Loop water temperature entering the heat pumps should be between 60 and 110 F.

NOTE: Three factors determine the operating limits of a unit: (1) entering air temperature, (2) water temperature and (3) ambient temperature. Whenever any of these factors are at a minimum or maximum level, the other two factors must be at a normal level to ensure proper unit operation. See Table 15.

Table 16 — Operating Limits — 50RTP Units

AIR LIMITS COOLING HEATING Minimum Entering Air 60 F 50 F Maximum Entering Air (db) 90 F 80 F

WATER LIMITS Minimum Entering Fluid 40 F 20 F Maximum Entering Fluid 120 F 90 F

LEGEND

db — Dry Bulb

Scroll Compressor Rotation — It is important to be

certain compressor is rotating in the proper direction. To determine whether or not compressor is rotating in the proper direction, perform the following procedure.

1. Connect service gages to suction and discharge pressure fittings.

2. Energize the compressor.

3. The suction pressure should drop and the discharge pressure should rise, as is normal on any start-up.

If the suction pressure does not drop and the discharge

pressure does not rise to normal levels:

1. Turn off power to the unit. Install disconnect tag.

2. Reverse any two of the unit power leads.

3. Reapply power to the unit and verify pressures are correct.

The suction and discharge pressure levels should now move

to their normal start-up levels.

When the compressor is rotating in the wrong direction, the unit makes an elevated level of noise and does not provide cooling.

After a few minutes of reverse operation, the scroll compressor internal overload protection will open, thus activating the unit lockout. This requires a manual reset. To reset, turn the thermostat on and then off.

NOTE: There is a 5-minute time delay before the compressor will start.

Unit Start-Up Cooling Mode

1. Adjust the unit thermostat to the warmest position. Slowly reduce the thermostat position until the compressor activates.

2. Check for cool air delivery at unit grille a few minutes after the unit has begun to operate.

3. Verify that the compressor is on and that the water flow rate is correct by measuring pressure drop through the heat exchanger using P/T plugs. Check the elevation and cleanliness of the condensate lines; any dripping could be a sign of a blocked line. Be sure the condensate trap includes a water seal.

4. Check the temperature of both supply and discharge water. If temperature is within range, proceed. If temperature is outside the range, check the cooling refrigerant pressures.

5. Air temperature drop across the coil should be checked when compressor is operating. Air temperature drop should be between 15 and 25 F.

Unit Start-Up Heating Mode

NOTE: Operate the unit in heating cycle after checking the cooling cycle. Allow five minutes between tests for the pressure or reversing valve to equalize.

1. Turn thermostat to lowest setting and set thermostat switch to HEAT position.

2. Slowly turn the thermostat to a higher temperature until the compressor activates.

3. Check for warm air delivery at the unit grille within a few minutes after the unit has begun to operate.

4. Check the temperature of both supply and discharge water. If temperature is within range, proceed. If temperature is outside the range, check the heating refrigerant pressures.

5. Once the unit has begun to run, check for warm air delivery at the unit grille.

6. Air temperature rise across the coil should be checked when compressor is operating. Air temperature rise should be between 20 and 30 F after 15 minutes at load.

7. Check for vibration, noise and water leaks.

Unit Start-Up with WSHP Open Controls —

Fig. 22 — BACview6 Display Interface

a50-8444

The WSHP Open is a multi-protocol (default BACnet*) controller with extensive features, flexible options and powerful capabilities. The unit comes from the factory pre-programmed and needs minimal set up to function in a BAS (Building Automation System) system or provide additional capabilities to Carrier's WSHP product line. Most settings on the controller have factory defaults set for ease of installation. There are a few settings that must be configured in the field and several settings that can be adjusted if required by unique job conditions. Refer to Appendix A — WSHP Open Screen Configuration. In order to configure the unit, a BACview required. See Fig. 22.

NOTE: If the WSHP Open control has lost its programming, all display pixels will be displayed on the SPT sensor. See the WSHP Third Party Integration Guide.

When the unit is OFF, the SPT sensor will indicate OFF. When power is applied, the SPT sensor will indicate temperature in the space at 78 F.

To start up a unit with WSHP Open controls:

1. To plug in the BACview

handheld display into a SPT sensor, point the two ears on the connector up and tilt the bottom of the plug toward you. Insert the plug up into the SPT sensor while pushing the bottom of the plug away from you.

2. BACview

should respond with "Establishing Connection." The Home screen will then appear on the display showing operating mode and space temperature. Press any button to continue.

See Appendix A — WSHP Open Screen Configuration for the hierarchal structure of the WSHP Open controller. All functions of the controller can be set from the Home screen.

3. When the Login is requested, type 1111 and push the OK softkey. The Logout will then be displayed to indicate the password was accepted.

4. To set the Clock if it is not already displayed:

a. Select System Settings from the Home screen, then

press Clockset.

b. Scroll to hour, minute and second using the arrow

keys. Use the number keypad to set actual time.

c. Scroll to day, month and year using arrow keys.

Use number keypad to set date.

5. To set Daylight Savings Time (DST):

a. Push the DST softkey. The display will indicate

02:00:060 which is equal to 2:00AM.

display is

b. To program the beginning and end dates, scroll

down to the beginning month and press the enter key. The softkeys (INCR and DECR) will activate to increment the month in either direction, Jan, Feb, March, etc.

c. Use number keys to select the day of month and

year.

d. Push the OK softkey to finalize the data.

6. To view configuration settings: a. Select the Config softkey. b. Select the Service Config softkey. Scroll through

the factory settings by using the up and down arrow keys. See below for factory settings.

Only the following settings will need to be checked.

• # of Fan Speeds — This should be set to "1" for units with PSC motors and set to "3" for units with ECM motors.

• Compressor Stages — This should be set to "1."

• Factory Dehumidification Reheat Coil — This should be set to "none" unless the modulating hot water reheat option is supplied in the unit, then set to "installed."

• The condenser water limit needs to be verified depending on design parameters and application, whether geothermal or boiler/tower.

7. To view unit configuration settings: a. Select the Unit Configuration softkey, then select

Unit.

b. Scroll through the unit settings by using the up and

down arrow keys. Unit settings include:

• Fan Mode: Default Continuous

• Fan Delay:

• Minimum SAT Cooling: Default 50 F

• Maximum SAT Heating: Default 110 F

• Filter Service Alarm: Must be set from 0 to 9999 hr

8. To set local schedules: a. Select the Schedule softkey from the Configuration

screen, then press enter.

b. Select Weekly, then press enter (7 schedules

available). c. Select day and press enter. d. Press enter again and select ADD or DEL (DECR

or INCR) set schedule.

*Sponsored by ASHRAE (American Society of Heating, Refrigerating, and Air Conditioning Engineers).

e. Enter ON/OFF time, then press continue. f. Press OK to apply and save to a particular day of

the week.

g. Continue to add the same or different schedule spe-

cific days of the week. To add exceptions to the schedule: i. Press Add softkey. ii. Select exception type from following:

• Date

• Date Range

• Week-N-Day

• Calender Reference

9. Go back to Home Screen.

10. Remove BACview the process in Step 1.

11. Perform system test.

cable from SPT sensor by reversing

Flow Regulation — Flow regulation can be accom-

plished by two methods. Most water control valves have a flow adjustment built into the valve. By measuring the pressure drop through the unit heat exchanger, the flow rate can be determined. Adjust the water control valve until the flow of 1.5 to 2 gpm is achieved. Since the pressure constantly varies, two pressure gages may be needed in some applications.

An alternative method is to install a flow control device. These devices are typically an orifice of plastic material designed to allow a specified flow rate that are mounted on the outlet of the water control valve. Occasionally these valves produce a velocity noise that can be reduced by applying some back pressure. To accomplish this, slightly close the leaving isolation valve of the well water setup.

WARNING

System Cleaning and Flushing — Cleaning and

flushing the unit is the single most important step to ensure proper start-up and continued efficient operation of the system. Follow the instructions below to properly clean and flush the system:

1. Verify that electrical power to the units is disconnected.

2. Install the system with the supply hose connected directly to the return riser valve. Use a single length of flexible hose.

3. Open all air vents. Fill the system with water. Do not allow system to overflow. Bleed all air from the system. Check the system for leaks and repair appropriately.

4. Verify that all strainers are in place. Start the pumps and systematically check each vent to ensure that all air is bled from the system.

5. Verify that makeup water is available. Adjust makeup water appropriately to replace the air which was bled from the system. Check and adjust the water/air level in the expansion tank.

6. Set the boiler (when used) to raise the loop temperature to approximately 85 F. Open a drain at the lowest point in the system. Adjust the makeup water replacement rate to equal the rate of bleed.

7. Refill the system and add trisodium phosphate in a proportion of approximately one pound per 150 gallons of water. Reset the boiler (when used) to raise the loop temperature to about 100 F. Circulate the solution for a

minimum of eight to 24 hours. At the end of this period, shut off the circulating pump and drain the solution. Repeat system cleaning if necessary.

CAUTION

To avoid possible damage to piping systems constructed of plastic piping, DO NOT allow loop temperature to exceed 115 F.

8. When the cleaning process is complete, remove the shortcircuited hoses. Reconnect the hoses to the proper supply and return the connections to each of the rooftop units. Refill the system and bleed off all air.

9. Add antifreeze to the system in climates where ambient temperature falls below freezing, using the proportion of antifreeze shown in Table 17. The volume of antifreeze required will vary based on outdoor design temperature.

10. Test the system pH with litmus paper. The system water should be slightly alkaline ( pH 7.5 to 8.5). Add chemicals as appropriate to maintain acidity levels.

11. When the system is successfully cleaned, flushed, refilled and bled, check the main system panels, safety cutouts, and alarms. Set the controls to properly maintain loop temperatures.

NOTE: Carrier strongly recommends all piping connections, both internal and external to the unit, be pressure tested by an appropriate method prior to any finishing of the interior space or before access to all connections is limited. Test pressure may not exceed the maximum allowable pressure for the unit and all components within the water system.

Carrier will not be responsible or liable for damages from water leaks due to inadequate or lack of a pressurized leak test, or damages caused by exceeding the maximum pressure rating during installation.

CAUTION

Do Not use “Stop-Leak” or any similar chemical agent in this system. Addition of these chemicals to the loop water will foul the system and will inhibit unit operation.

Antifreeze — In areas where entering loop temperatures

drop below 40 F or where piping will be routed through areas subject to freezing, antifreeze is needed.

Alcohols and glycols are commonly used as antifreeze agents. Freeze protection should be maintained to 15 F below the lowest expected entering loop temperature. For example, if the lowest expected entering loop temperature is 30 F, the leaving loop temperature would be 22 to 25 F. Therefore, the freeze protection should be at 15 F (30 F – 15 F = 15 F).

IMPORTANT: All alcohols should be pre-mixed and pumped from a reservoir outside of the building or introduced under water level to prevent fumes.

Calculate the total volume of fluid in the piping system. Use the percentage by volume in Table 17 to determine the amount of antifreeze to use. Antifreeze concentration should be checked from a well mixed sample using a hydrometer to measure specific gravity.

FREEZE PROTECTION SELECTION — The 30 F FP1 factory setting (water) should be used to avoid freeze damage to the unit.

Once antifreeze is selected, the JW3 jumper (FP1) should be clipped on the control to select the low temperature (antifreeze 13 F) set point to avoid nuisance faults.

Table 17 — Antifreeze Percentages by Volume

MINIMUM TEMPERATURE FOR

ANTIFREEZE

Methanol (%) 25 21 16 10 Propylene Glycol (%) 26 23 19 9 Ethylene Glycol (%) 24 20 16 12

FREEZE PROTECTION (F)

0° 10 20 30

Cooling Tower/Boiler Systems — These systems

typically use a common loop maintained at 60 to 90 F. The use of a closed circuit evaporative cooling tower with a secondary heat exchanger between the tower and the water loop is recommended. If an open type cooling tower is used continuously, chemical treatment and filtering will be necessary.

Ground Coupled, Closed Loop and Plateframe Heat Exchanger Well Systems — These systems al-

low water temperatures from 30 to 110 F. The external loop field is divided up into 2 in. polyethylene supply and return lines. Each line has valves connected in such a way that upon system start-up, each line can be isolated for flushing using only the system pumps. Air separation should be located in the piping system prior to the fluid re-entering the loop field.

OPERATION

Power Up Mode —

inputs, terminals and safety controls are checked for normal operation.

NOTE: The compressor will have a 5-minute anti-short cycle upon power up.

The unit will not operate until all the

Units with Aquazone™ Complete C Control

STANDBY — Y and W terminals are not active in standby mode, however the O and G terminals may be active, depending on the application. The compressor will be off.

COOLING — Y and O terminals are active in Cooling mode. After power up, the first call to the compressor will initiate a 5 to 80 second random start delay and a 5-minute anti-short cycle protection time delay. After both delays are complete, the compressor is energized.

NOTE: On all subsequent compressor calls the random start delay is omitted.

HEATING STAGE 1 — Terminal Y is active in heating stage 1. After power up, the first call to the compressor will initiate a 5 to 80 second random start delay and a 5-minute antishort cycle protection time delay. After both delays are complete, the compressor is energized.

NOTE: On all subsequent compressor calls the random start delay is omitted.

HEATING STAGE 2 — To enter Stage 2 mode, terminal W is active (Y is already active). Also, the G terminal must be active or the W terminal is disregarded. The compressor relay will remain on and EH1 is immediately turned on. EH2 will turn on after 10 minutes of continual stage 2 demand.

NOTE: EH2 will not turn on (or if on, will turn off) if FP1 temperature is greater than 45 F and FP2 is greater than 110 F.

EMERGENCY HEAT — In emergency heat mode, terminal W is active while terminal Y is not. Terminal G must be active or the W terminal is disregarded. EH1 is immediately turned on. EH2 will turn on after 5 minutes of continual emergency heat demand.

Units with Aquazone Deluxe D Control

STANDBY/FAN ONLY — The compressor will be off. The Fan Enable, Fan Speed, and reversing valve (RV) relays will be on if inputs are present. If there is a Fan 1 demand, the Fan

Enable will immediately turn on. If there is a Fan 2 demand, the Fan Enable and Fan Speed will immediately turn on.

NOTE: DIP switch 5 on S1 does not have an effect upon Fan 1 and Fan 2 outputs.

HEATING STAGE 1 — In Heating Stage 1 mode, the Fan Enable and Compressor relays are turned on immediately. Once the demand is removed, the relays are turned off and the control reverts to Standby mode. If there is a master/slave or dual compressor application, all compressor relays and related functions will operate per their associated DIP switch 2 setting on S1.

HEATING STAGE 2 — In Heating Stage 2 mode, the Fan Enable and Compressor relays remain on. The Fan Speed relay is turned on immediately and turned off immediately once the demand is removed. The control reverts to Heating Stage 1 mode. If there is a master/slave or dual compressor application, all compressor relays and related functions will operate per their associated DIP switch 2 setting on S1.

HEATING STAGE 3 — In Heating Stage 3 mode, the Fan Enable, Fan Speed and Compressor relays remain on. The EH1 output is turned on immediately. With continuing Heat Stage 3 demand, EH2 will turn on after 10 minutes. EH1 and EH2 are turned off immediately when the Heating Stage 3 demand is removed. The control reverts to Heating Stage 2 mode.

Output EH2 will be off if FP1 is greater than 45 F AND FP2 (when shorted) is greater than 110 F during Heating Stage 3 mode. This condition will have a 30-second recognition time. Also, during Heating Stage 3 mode, EH1, EH2, Fan Enable, and Fan Speed will be ON if G input is not active.

EMERGENCY HEAT — In Emergency Heat mode, the Fan Enable and Fan Speed relays are turned on. The EH1 output is turned on immediately. With continuing Emergency Heat demand, EH2 will turn on after 5 minutes. Fan Enable and Fan Speed relays are turned off after a 60-second delay. The control reverts to Standby mode.

Output EH1, EH2, Fan Enable, and Fan Speed will be ON if the G input is not active during Emergency Heat mode.

COOLING STAGE 1 — In Cooling Stage 1 mode, the Fan Enable, compressor and RV relays are turned on immediately. If configured as stage 2 (DIP switch set to OFF) then the compressor and fan will not turn on until there is a stage 2 demand. The fan Enable and compressor relays are turned off immediately when the Cooling Stage 1 demand is removed. The control reverts to Standby mode. The RV relay remains on until there is a heating demand. If there is a master/slave or dual compressor application, all compressor relays and related functions will track with their associated DIP switch 2 on S1.

COOLING STAGE 2 — In Cooling Stage 2 mode, the Fan Enable, compressor and RV relays remain on. The Fan Speed relay is turned on immediately and turned off immediately once the Cooling Stage 2 demand is removed. The control reverts to Cooling Stage 1 mode. If there is a master/slave or dual compressor application, all compressor relays and related functions will track with their associated DIP switch 2 on S1.

NIGHT LOW LIMIT (NLL) STAGED HEATING — In NLL staged Heating mode, the override (OVR) input becomes active and is recognized as a call for heating and the control will immediately go into a Heating Stage 1 mode. With an additional 30 minutes of NLL demand, the control will go into Heating Stage 2 mode. With another additional 30 minutes of NLL demand, the control will go into Heating Stage 3 mode.

Units with WSHP Open Multiple Protocol —

The WSHP Open multi-protocol controller will control mechanical cooling, heating and waterside economizer outputs based on its own space temperature input and set points. An optional CO space can maximize the occupant comfort. The WSHP Open controller has its own hardware clock that is automatically set

IAQ (indoor air quality) sensor mounted in the

when the heat pump software is downloaded to the board. Oc-



cupancy types are described in the scheduling section below. The following sections describe the functionality of the WSHP Open multi-protocol controller. All point objects referred to in this sequence of operation will be referenced to the objects as viewed in the BACview

handheld user interface.

SCHEDULING — Scheduling is used to start/stop the unit based on a time period to control the space temperature to specified occupied heating and cooling set points. The controller is defaulted to control by occupied set points all the time, until either a time schedule is configured with BACview tant, i-Vu

Open, or a third party control system to enable/dis-

, Field Assis-

able the BAS (Building Automation System) on/off point. The local time and date must be set for these functions to operate properly. The occupancy source can be changed to one of the following:

Occupancy Schedules until a time schedule has been configured using either Field Assistant, i-Vu Open, BACview

— The controller will be occupied 24/7

or a third party control system to enable/disable the BAS on/off point. The BAS point can be disabled by going to Config, then Unit, then Occupancy Schedules and changing the point from enable to disable then clicking OK.

NOTE: This point must be enabled in order for the i-Vu Open, Field Assistant, or BACview

control system to assign a time

schedule to the controller. Schedule_schedule

schedule configured and stored in the unit. The schedule is accessible via the BACview

— The unit will operate according to the

Handheld tool, i-Vu Open, or Field Assistant control system. The daily schedule consists of a start/stop time (standard or 24-hour mode) and seven days of the week, starting with Monday and ending on Sunday. To enter a daily schedule, navigate to Config, then Sched, then enter BACview

Admin Password (1111), then go to schedule_schedule. From here, enter either a Weekly or Exception schedule for the unit.

Occupancy Input Contact

— The WSHP Open controller has the capability to use an external dry contact closure to determine the occupancy status of the unit. The Occupancy Schedules will need to be disabled in order to utilize the occupancy contact input.

NOTE: Scheduling can only be controlled from one source. BAS (Building Automation System) On/Off

— A BAS system that supports network scheduling can control the unit through a network communication and the BAS scheduling function once the Occupancy Schedules have been disabled.

NOTE: Scheduling can either be controlled via the unit or the BAS, but not both.

INDOOR FAN — The indoor fan will operate in any one of three modes depending on the user configuration selected.

Fan mode can be selected as Auto, Continuous, or Always On. In Auto mode, the fan is in intermittent operation during both occupied and unoccupied periods. Continuous fan mode is intermittent during unoccupied periods and continuous during occupied periods. Always On mode operates the fan continuously during both occupied and unoccupied periods. In the default mode, Continuous, the fan will be turned on whenever any one of the following is true:

• The unit is in occupied mode as determined by its occu-

pancy status.

• There is a demand for cooling or heating in the unoccu-

pied mode.

• There is a call for dehumidification (optional).

When power is reapplied after a power outage, there will be a configured time delay of 5 to 600 seconds before starting the fan. There are also configured fan delays for Fan On and Fan Off. The Fan On delay defines the delay time (0 to 30 seconds; default 10) before the fan begins to operate after heating or

cooling is started while the Fan Off delay defines the delay time (0 to 180 seconds; default 45) the fan will continue to operate after heating or cooling is stopped. The fan will continue to run as long as the compressors, heating stages, or the dehumidification relays are on. If the SPT failure alarm or condensate overflow alarm is active; the fan will be shut down immediately regardless of occupancy state or demand.

Fan Speed Control (During Heating)

— Whenever heat is required and active, the control continuously monitors the supply-air temperature to verify it does not rise above the configured maximum heating SAT limit (110 F default). As the SAT approaches this value, the control will increase the fan speed as required to ensure the SAT will remain within the limit. This feature provides the most quiet and efficient operation by operating the fan at the lowest speed possible.

Fan Speed Control (During Cooling)

— Whenever mechanical cooling is required and active, the control continuously monitors the supply-air temperature to verify it does not fall below the configured minimum cooling SAT limit (50 F default). As the SAT approaches this value, the control will increase the fan speed as required to ensure the SAT will remain within the limit. The fan will operate at lowest speed to maximize latent capacity during cooling.

COOLING — The WSHP Open controller will operate one or two stages of compression to maintain the desired cooling set point. The compressor outputs are controlled by the PI (proportional-integral) cooling loop and cooling stages capacity algorithm. They will be used to calculate the desired number of stages needed to satisfy the space by comparing the space temperature (SPT) to the appropriate cooling set point. The water side economizer, if applicable, will be used for first stage cooling in addition to the compressor(s). The following conditions must be true in order for the cooling algorithm to run:

• Cooling is set to Enable.

• Heating mode is not active and the compressor time

guard has expired.

• Condensate overflow input is normal.

• If occupied, the SPT is greater than the occupied cooling

set point.

• Space temperature reading is valid.

• If unoccupied, the SPT is greater than the unoccupied

cooling set point.

• If economizer cooling is available and active and the

economizer alone is insufficient to provide enough cooling.

• OAT (if available) is greater than the cooling lockout

temperature.

If all the above conditions are met, the compressors will be energized as required, otherwise they will be deenergized. If cooling is active and should the SAT approach the minimum SAT limit, the fan will be indexed to the next higher speed. Should this be insufficient and if the SAT falls further (equal to the minimum SAT limit), the fan will be indexed to the maximum speed. If the SAT continues to fall 5 F below the minimum SAT limit, all cooling stages will be disabled.

During Cooling mode, the reversing valve output will be held in the cooling position (either B or O type as configured) even after the compressor is stopped. The valve will not switch position until the Heating mode is required.

The configuration screens contain the minimum SAT parameter as well as cooling lockout based on outdoor-air temperature (OAT) Both can be adjusted to meet various specifications.

There is a 5-minute off time for the compressor as well as a 5-minute time delay when staging up to allow the SAT to achieve a stable temperature before energizing a second stage of capacity. Likewise, a 45-second delay is used when staging down.

After a compressor is staged off, it may be restarted again



after a normal time-guard period of 5 minutes and if the supply-air temperature has increased above the minimum supply-air temperature limit.

The WSHP Open controller provides a status input to monitor the compressor operation. The status is monitored to determine if the compressor status matches the commanded state. This input is used to determine if a refrigerant safety switch or other safety device has tripped and caused the compressor to stop operating normally. If this should occur, an alarm will be generated to indicate the faulted compressor condition.

HEATING — The WSHP Open controller will operate one or two stages of compression to maintain the desired heating set point. The compressor outputs are controlled by the heating PI (proportional-integral) loop and heating stages capacity algorithm. They will be used to calculate the desired number of stages needed to satisfy the space by comparing the space temperature (SPT) to the appropriate heating set point. The following conditions must be true in order for the heating algorithm to run:

• Heating is set to Enable.

• Cooling mode is not active and the compressor time

guard has expired.

• Condensate overflow input is normal.

• If occupied, the SPT is less than the occupied heating set

point.

• Space temperature reading is valid.

• If unoccupied, the SPT is less than the unoccupied heat-

ing set point.

• OAT (if available) is less than the heating lockout

temperature.

If all the above conditions are met, the heating outputs will be energized as required, otherwise they will be deenergized. If the heating is active and should the SAT approach the maximum SAT limit, the fan will be indexed to the next higher speed. Should this be insufficient, and the SAT rises further reaching the maximum heating SAT limit, the fan will be indexed to the maximum speed. If the SAT still continues to rise 5 F above the maximum limit, all heating stages will be disabled.

During Heating mode, the reversing valve output will be held in the heating position (either B or O type as configured) even after the compressor is stopped. The valve will not switch position until the Cooling mode is required.

The configuration screens contain the maximum SAT parameter as well as heating lockout based on outdoor-air temperature (OAT); both can be adjusted to meet various specifications.

After a compressor is staged off, it may be restarted again after a normal time-guard period of 5 minutes and if the supply-air temperature has fallen below the maximum supply air temperature limit.

AUXILIARY HEAT — The WSHP Open controller can control a two-position, modulating water, or steam valve

connected to a coil on the discharge side of the unit and supplied by a boiler or a single-stage ducted electric heater in order to maintain the desired heating set point. Should the compressor capacity be insufficient or a compressor failure occurs, the auxiliary heat will be used. Unless the compressor fails, the auxiliary heat will only operate to supplement the heat provided by the compressor if the space temperature falls more than one degree below the desired heating set point (the amount is configurable). The heat will be controlled so the SAT will not exceed the maximum heating SAT limit.

Auxiliary Modulating Hot Water/Steam Heating Reheat — The control can modulate a hot water or steam valve connected to a coil on the discharge side of the unit and supplied by a boiler in order to maintain the desired heating set point should the compressor capacity be insufficient or a compressor failure occurs. Unless a compressor fault condition exists, the valve will only operate to supplement heat provided by compressor if the space temperature falls more than one degree below the desired heating set point. The valve will be controlled so the SAT will not exceed maximum heating SAT limit.

Two-Position Hot Water/Steam Heating Reheat

— The con-

trol can operate a two-position, NO or NC, hot water or steam valve connected to a coil on the discharge side of the unit and supplied by a boiler in order to maintain the desired heating set point should the compressor capacity be insufficient or a compressor failure occurs. Unless a compressor fault condition exists, the valve will only open to supplement the heat provided by the compressor if the space temperature falls more than one degree below the desired heating set point. The valve will be controlled so the SAT will not exceed the maximum heating SAT limit. The heat stage will also be subject to a 2-minute minimum OFF time to prevent excessive valve cycling.

Single Stage Electric Auxiliary Heat

— The control can operate a field-installed single stage of electric heat installed on the discharge side of the unit in order to maintain the desired heating set point should the compressor capacity be insufficient or a compressor failure occurs. Unless a compressor fault condition exists, the heat stage will only operate to supplement the heat provided by the compressor if the space temperature falls more than one degree below the desired heating set point. The heat stage will be controlled so the SAT will not exceed the maximum heating SAT limit. The heat stage will also be subject to a 2-minute minimum OFF time to prevent excessive cycling.

INDOOR AIR QUALITY (IAQ) AND DEMAND CONTROLLED VENTILATION (DCV) — If the optional indoor air quality sensor is installed, the WSHP Open controller can maintain indoor air quality via a modulating OA damper providing demand controlled ventilation. The control operates the modulating OA damper during occupied periods. The control monitors the CO set points, adjusting the ventilation rate as required. The control

level and compares it to the configured

provides proportional ventilation to meet the requirements of ASHRAE (American Society of Heating, Refrigerating and Air Conditioning Engineers) specifications by providing a base ventilation rate and then increasing the rate as the CO

level in-

creases. The control will begin to proportionally increase ventilation when the CO point and will reach the full ventilation rate when the CO

level rises above the start ventilation set

level

is at or above the maximum set point. A user-configurable minimum damper position ensures that proper base ventilation is delivered when occupants are not present. The IAQ configurations can be accessed through the configuration screen. The following conditions must be true in order for this algorithm to run:

• Damper control is configured for DCV.

• The unit is in an occupied mode.

• The IAQ sensor reading is greater than the DCV start

control set point.

The control has four user adjustable set points: DCV start



control set point, DCV maximum control set point, minimum damper position, and DCV maximum damper position.

Two-Position OA Damper to operate a ventilation damper in a two-position ventilation mode to provide the minimum ventilation requirements during occupied periods.

WATERSIDE ECONOMIZER — The WSHP Open controller has the capability of providing modulating or two-position water economizer operation (for a field-installed economizer coil mounted to the entering air side of the unit and connected to the condenser water loop) in order to provide free cooling (or preheating) when water conditions are optimal. Water economizer settings can be accessed through the equipment status screen. The following conditions must be true for economizer operation:

• SAT reading is available.

• LWT reading is available.

• If occupied, the SPT is greater than the occupied cooling set point or less than the occupied heating set point and the condenser water is suitable.

• Space temperature reading is valid.

• If unoccupied, the SPT is greater than the unoccupied cooling set point or less than the unoccupied heating set point and the condenser water is suitable.

Modulating Water Economizer Control the capability to modulate a water valve to control condenser water flowing through a coil on the entering air side of the unit.

Cooling — The purpose is to provide an economizer cooling function by using the water loop when the entering water loop temperature is suitable (at least 5° F below space temperature). If the water loop conditions are suitable, then the valve will modulate open as required to maintain a supply-air temperature that meets the load conditions. Should the economizer coil capacity alone be insufficient for a period greater than 5 minutes, or should a high humidity condition occur, then the compressor will also be started to satisfy the load. Should the SAT approach the minimum cooling SAT limit, the economizer valve will modulate closed during compressor operation.

Heating — Additionally, the control will modulate the water valve should the entering water loop temperature be suitable for heating (at least 5 F above space temperature) and heat is required. The valve will be controlled in a similar manner except to satisfy the heating requirement. Should the economizer coil capacity alone be insufficient to satisfy the space load conditions for more than 5 minutes, then the compressor will be started to satisfy the load. Should the SAT approach the maximum heating SAT limit, the economizer valve will modulate closed during compressor operation.

Two-Position Water Economizer Control the capability to control a NO or NC, two-position water valve to control condenser water flow through a coil on the entering air side of the unit.

Cooling — The purpose is to provide a cooling economizer function directly from the condenser water loop when the entering water loop temperature is suitable (at least 5 F below space temperature). If the optional coil is provided and the water loop conditions are suitable, then the valve will open to provide cooling to the space when required. Should the capacity be insufficient for a period greater than 5 minutes, or should a high humidity condition occur, then the compressor will be started to satisfy the load. Should the SAT reach the minimum cooling SAT limit, the economizer valve will close during compressor operation.

Heating — Additionally, the economizer control will open the water valve should the entering water loop temperature be suitable for heating (at least 5 F above space temperature) and heat is required. The valve will be controlled in a similar

— The control can be configured

— The control has

manner except to satisfy the heating requirement. Should the coil capacity be insufficient to satisfy the space load for more than 5 minutes, then the compressor will be started to satisfy the load. Should the SAT reach the maximum heating SAT limit, the economizer valve will close during compressor operation.

DEMAND LIMIT — The WSHP Open controller has the ability to accept three levels of demand limit from the network. In response to a demand limit, the unit will decrease its heating set point and increase its cooling set point to widen the range in order to immediately lower the electrical demand. The amount of temperature adjustment in response is user adjustable for both heating and cooling and for each demand level. The response to a particular demand level may also be set to zero.

CONDENSER WATER LINKAGE — The control provides optimized water loop operation using an universal controller (UC) open loop controller. Loop pump operation is automatically controlled by WSHP equipment occupancy schedules, unoccupied demand and tenant override conditions. Positive pump status feedback prevents nuisance fault trips. The condenser water linkage operates when a request for condenser water pump operation is sent from each WSHP to the loop controller. This request is generated whenever any WSHP is scheduled to be occupied, is starting during optimal start (for warm-up or pull down prior to occupancy), there is an unoccupied heating or cooling demand, or a tenant pushbutton override. At each WSHP, the water loop temperature and the loop pump status is given. The WSHP will NOT start a compressor until the loop pumps are running or will shutdown the compressors should the pumps stop. This prevents the WSHP from operating without water flow and thus tripping out on refrigerant pressure, causing a lockout condition. The WSHP Open controller control will prevent this from occurring. Also, the loop controller can be configured to start the pumps only after a configurable number of WSHPs are requesting operation (from 1-"N"). This can be used to prevent starting the entire loop operation for only one WSHP. Meanwhile, the WSHPs will not operate if the loop pump status is off and therefore the WSHP compressor will not run.

SYSTEM TEST

System testing provides the ability to check the control operation. The control enters a 20-minute Test mode by momentarily shorting the test pins. All time delays are increased 15 times.

Test Mode — To enter Test mode on Complete C or De-

luxe D controls, cycle the fan 3 times within 60 seconds. The LED (light-emitting diode) will flash a code representing the last fault when entering the Test mode. The alarm relay will also power on and off during Test mode. See Tables 18-20. To exit Test mode, short the terminals for 3 seconds or cycle the power 3 times within 60 seconds.

NOTE: The Deluxe D control has a flashing code and alarm relay cycling code that will both have the same numerical label. For example, flashing code 1 will have an alarm relay cycling code 1. Code 1 indicates the control has not faulted since the last power off to power on sequence.

Retry Mode — In Retry mode, the status LED will start to

flash slowly to signal that the control is trying to recover from an input fault. The control will stage off the outputs and try to again satisfy the thermostat used to terminal Y. Once the thermostat input calls are satisfied, the control will continue normal operation.

NOTE: If 3 consecutive faults occur without satisfying the thermostat input call to terminal Y, the control will go into lockout mode. The last fault causing the lockout is stored in memory and can be viewed by entering Test mode.

Table 18 — Complete C Control Current LED

Status and Alarm Relay Operations

LED STATUS DESCRIPTION OF OPERATION ALARM RELAY

Normal Mode Open

Off Control is non-functional Open

Slow Flash Fault Retr y Open

Fast Flash Lockout Closed

Slow Flash Over/Under Voltage Shutdown

Flashing Code 1 Test Mode — No fault in memory Cycling Code 1 Flashing Code 2 Test Mode — HP Fault in memory Cycling Code 2 Flashing Code 3 Test Mode — LP Fault in memory Cycling Code 3 Flashing Code 4 Test Mode — FP1 Fault in memory Cycling Code 4 Flashing Code 5 Test Mode — FP2 Fault in memory Cycling Code 5 Flashing Code 6 Test Mode — CO Fault in memory Cycling Code 6

Flashing Code 7

Flashing Code 8 Test Mode — PM in memory Cycling Code 8

Flashing Code 9

CO — Condensate Overflow FP — Freeze Protection HP — High Pressure LED — Light-Emitting Diode LP — Low Pressure PM — Performance Monitor

NOTES:

1. Slow flash is 1 flash every 2 seconds.

2. Fast flash is 2 flashes every 1 second.

3. EXAMPLE: “Flashing Code 2” is represented by 2 fast flashes followed by a

LEGEND

10-second pause. This sequence will repeat continually until the fault is cleared.

Normal Mode with

PM Warning

Test Mode — Over/Under

shutdown in memory

Test Mode — Test Mode — FP1/

FP2 Swapped Fault in memory

Cycle (closed 5 sec., Open 25 sec.)

Open

(Closed after

15 minutes)

Cycling Code 7

Cycling Code 9

Table 20 — Aquazone™ Deluxe D Control Current LED Status and Alarm Relay Operations

Table 19 — Complete C Control LED Code and

Fault Descriptions

LED

CODE

1 No fault in memory There has been no fault since

2 High-Pressure Switch HP Open Instantly 3 Low-Pressure Switch LP open for 30 continuous sec-

4 Freeze Protection Coax

— FP1

5 Freeze Protection Air Coil

— FP2

6 Condensate overflow Sense overflow (grounded) for

(Autoreset)

FP — Freeze Protection HP — High Pressure LED — Light-Emitting Diode LP — Low Pressure PM — Performance Monitor

Over/Under Voltage Shutdown

8 PM Warning Performance Monitor Warning

9 FP1 and FP2 Thermistors

are Swapped

LEGEND

FAULT DESCRIPTION

the last power-down to power-up sequence

onds before or during a call (bypassed for first 60 seconds)

FP1 below Temp limit for 30 continuous seconds (bypassed for first 60 seconds of operation)

FP2 below Temp limit for 30 continuous seconds (bypassed for first 60 seconds of operation)

30 continuous seconds "R" power supply is <19VAC or

>30VAC

has occurred. FP1 temperature is higher than

FP2 in heating/test mode, or FP2 temperature is higher than FP1 in cooling/test mode.

DESCRIPTION

STATUS LED

(Green)

TEST LED

(Yellow)

FAULT LED (Red) ALARM RELAY

Normal Mode On Off Flash Last Fault Code in Memory Open

Normal Mode with PM On Off Flashing Code 8

Deluxe D Control is

non-functional

Off Off Off Open

Cycle (closed 5 sec,

open 25 sec, …)

Test Mode — On Flash Last Fault Code in Memory Cycling Appropriate Code

Night Setback Flashing Code 2 — Flash Last Fault Code in Memory —

ESD Flashing Code 3 — Flash Last Fault Code in Memory — Invalid T-stat Inputs Flashing Code 4 — Flash Last Fault Code in Memory — No Fault in Memory On Off Flashing Code 1 Open

HP Fault Slow Flash Off Flashing Code 2 Open

LP Fault Slow Flash Off Flashing Code 3 Open FP1 Fault Slow Flash Off Flashing Code 4 Open FP2 Fault Slow Flash Off Flashing Code 5 Open

CO Fault Slow Flash Off Flashing Code 6 Open

Over/Under Voltage Slow Flash Off Flashing Code 7 Open (closed after 15 minutes)

HP Lockout Fast Flash Off Flashing Code 2 Closed

LP Lockout Fast Flash Off Flashing Code 3 Closed FP1 Lockout Fast Flash Off Flashing Code 4 Closed FP2 Lockout Fast Flash Off Flashing Code 5 Closed

CO Lockout Fast Flash Off Flashing Code 6 Closed

LEGEND NOTES:

CO — Condensate Overflow ESD — Emergency Shutdown FP — Freeze Protection HP — High Pressure LP — Low Pressure PM — Performance Monitor

1. If there is no fault in memory, the Fault LED will flash code 1.

2. Codes will be displayed with a 10-second Fault LED pause.

3. Slow flash is 1 flash every 2 seconds.

4. Fast flash is 2 flashes every 1 second.

5. EXAMPLE: “Flashing Code 2” is represented by 2 fast flashes followed by a 10-second pause. This sequence will repeat continually until the fault is cleared.

Aquazone™ Deluxe D Control LED Indicators —

See Table 20. STATUS LED — Status LED indicates the current status or

mode of the Deluxe D control. The Status LED light is green. TEST LED — Test LED will be activated any time the De-

luxe D control is in test mode. The Test LED light is yellow. FAULT LED — Fault LED light is red. The fault LED will

always flash a code representing the last fault in memory. If there is no fault in memory, the fault LED will flash code 1 on and appear as 1 fast flash alternating with a 10-second pause. See Table 20.

WSHP Open Test Mode — To enter WSHP Open test

mode, navigate from the BACview configuration screen. Choose the service screen and enable unit test. The controller will then test the following:

FAN TEST — Tests all fan speeds, sequences fan from low to high, and operates each speed for one minute. Resets to disable on completion.

COMPRESSOR TEST — Tests compressor cooling and heating operation. Sequences cooling stage 1 then cooling stage 2 followed by heating stage 2 then reduces capacity to heating stage 1. Operates for 1 minute per step.

DEHUMIDIFICATION TEST — Tests dehumidification mode. Operates for 2 minutes.

AUXILIARY HEATING TEST — Tests auxiliary heat. Sequences fan on and enables heating coil for 1 minute.

H water loop economizer operation. Sequences fan and opens economizer water valve for one minute.

OPEN VENT DAMPER 100% TEST — Tests outside air (OA) damper operation.

PREPOSITION OA DAMPER — Prepositions OA damper actuator to set proper preload.

NOTE: The auxiliary heating test, H vent damper 100% test, and preposition OA damper features will not be visible on the screen unless configured.

Once tests are complete, set unit test back to disable. Unit will automatically reset to disable after 1 hour.

There are 3 LED indicators on the Deluxe D control.

home screen to the

O ECONOMIZER TEST — Tests entering/returning

O economizer test, open

SERVICE

Perform the procedures outlined below periodically, as

indicated.

IMPORTANT: When a compressor is removed from this unit, system refrigerant circuit oil will remain in the compressor. To avoid leakage of compressor oil, the refrigerant lines of the compressor must be sealed after it is removed.

IMPORTANT: All refrigerant discharged from this unit must be recovered without exception. Technicians must follow industry accepted guidelines and all local, state and federal statutes for the recovery and disposal of refrigerants.

IMPORTANT: To avoid the release of refrigerant into the atmosphere, the refrigerant circuit of this unit must only be serviced by technicians which meet local, state and federal proficiency requirements.

IMPORTANT: To prevent injury or death due to electrical shock or contact with moving parts, open unit disconnect switch before servicing unit.

Filters — Filters must be clean for maximum performance.

Inspect filters every month under normal operating conditions. replace when necessary.

IMPORTANT: Units should never be operated without a filter.

Water Coil — Keep all air out of the water coil. Check

open loop systems to be sure the well head is not allowing air to infiltrate the water line. Always keep lines airtight.

Inspect heat exchangers regularly, and clean more frequently if the unit is located in a “dirty” environment. The heat exchanger should be kept full of water at all times. Open loop systems should have an inverted P trap placed in the discharge line to keep water in the heat exchanger during off cycles. Closed loop systems must have a minimum of 15 psi during the summer and 40 psi during the winter.

Check P trap frequently for proper operation.

CAUTION

To avoid fouled machinery and extensive unit clean-up, DO NOT operate units without filters in place. DO NOT use equipment as a temporary heat source during construction.

Condensate Drain Pans — Check condensate drain

pans for algae growth twice a year. If algae growth is apparent, consult a water treatment specialist for proper chemical treatment. The application of an algaecide every three months will typically eliminate algae problems in most locations.

Refrigerant System — Verify air and water flow rates

are at proper levels before servicing. To maintain sealed circuitry integrity, do not install service gages unless unit operation appears abnormal. Check to see that unit is within the superheat and subcooling ranges.

Condensate Drain Cleaning — Clean the drain line

and unit drain pan at the start of each cooling season. Check flow by pouring water into drain. Be sure trap is filled to maintain an air seal.

Air Coil Cleaning — Remove dirt and debris from evap-

orator coil as required by condition of the coil. Clean coil with a stiff brush, vacuum cleaner, or compressed air. Use a fin comb of the correct tooth spacing when straightening mashed or bent coil fins.

Condenser Cleaning — Water-cooled condensers may

require cleaning of scale (water deposits) due to improperly maintained closed-loop water systems. Sludge build-up may need to be cleaned in an open water tower system due to induced contaminants.

Local water conditions may cause excessive fouling or pitting of tubes. Condenser tubes should therefore be cleaned at least once a year, or more often if the water is contaminated.

Proper water treatment can minimize tube fouling and pitting. If such conditions are anticipated, water treatment analysis is recommended. Refer to the Carrier System Design Manual, Part 5, for general water conditioning information.

CAUTION

Follow all safety codes. Wear safety glasses and rubber gloves when using inhibited hydrochloric acid solution. Observe and follow acid manufacturer’s instructions. Failure to follow these safety precautions could result in personal injury or equipment or property damage.

Clean condensers with an inhibited hydrochloric acid solu-

FILL CONDENSER WITH CLEANING SOLUTION. DO NOT ADD SOLUTION MORE RAPIDLY THAN VENT CAN EXHAUST GASES CAUSED BY CHEMICAL ACTION.

PAIL

FUNNEL

CONDENSER

PAIL

3’ TO 4’

VENT PIPE

5’ APPROX

1” PIPE

Fig. 23 — Gravity Flow Method

SUCTION

PUMP SUPPORT

TANK

FINE MESH SCREEN

RETURN

GAS VENT

PUMP

PRIMING CONN.

GLOBE VALV ES

SUPPLY

1” PIPE

CONDENSER

REMOVE WATER REGULATING VALVE

Fig. 24 — Forced Circulation Method

tion. The acid can stain hands and clothing, damage concrete, and, without inhibitor, damage steel. Cover surroundings to guard against splashing. Vapors from vent pipe are not harmful, but take care to prevent liquid from being carried over by the gases.

Warm solution acts faster, but cold solution is just as effec-

tive if applied for a longer period. GRAVITY FLOW METHOD — Do not add solution faster

than vent can exhaust the generated gases.

When condenser is full, allow solution to remain overnight, then drain condenser and flush with clean water. Follow acid manufacturer’s instructions. See Fig. 23.

FORCED CIRCULATION METHOD — Fully open vent pipe when filling condenser. The vent may be closed when condenser is full and pump is operating. See Fig. 24.

Regulate flow to condenser with a supply line valve. If pump is a nonoverloading type, the valve may be fully closed while pump is running.

For average scale deposit, allow solution to remain in condenser overnight. For heavy scale deposit, allow 24 hours. Drain condenser and flush with clean water. Follow acid manufacturer’s instructions.

Checking System Charge — Units are shipped with

full operating charge. If recharging is necessary:

1. Insert thermometer bulb in insulating rubber sleeve on liquid line near filter drier. Use a digital thermometer for all temperature measurements. DO NOT use a mercury or dial-type thermometer.

2. Connect pressure gage to discharge line near compressor.

3. After unit conditions have stabilized, read head pressure on discharge line gage.

NOTE: Operate unit a minimum of 15 minutes before checking charge.

4. From standard field-supplied Pressure-Temperature chart for R-410A, find equivalent saturated condensing temperature.

5. Read liquid line temperature on thermometer; then subtract from saturated condensing temperature. The difference equals subcooling temperature.

6. ADD refrigerant to raise the temperature or REMOVE refrigerant (using standard practices) to lower the temperature (allow a tolerance of ± 3° F), as required.

Refrigerant Charging

WARNING

To prevent personal injury, wear safety glasses and gloves when handling refrigerant. Do not overcharge system — this can cause compressor flooding.

NOTE: Do not vent or depressurize unit refrigerant to atmosphere. Remove and recover refrigerant following accepted practices.

Air Coil Fan Motor Removal

CAUTION

Before attempting to remove fan motors or motor mounts, place a piece of plywood over evaporator coils to prevent coil damage.

Motor power wires need to be disconnected from motor

terminals before motor is removed from unit.

1. Shut off unit main power supply.

2. Loosen bolts on mounting bracket so that fan belt can be removed.

3. Loosen and remove the 2 motor mounting bracket bolts on left side of bracket.

4. Slide motor/bracket assembly to extreme right and lift out through space between fan scroll and side frame. Rest motor on a high platform such as a step ladder. Do not allow motor to hang by its power wires.

Replacing the WSHP Open Controller’s Battery —

CR2032 battery provides a minimum of 10,000 hours of data retention during power outages.

NOTE: Power must be ON to the WSHP Open controller when replacing the battery, or the date, time and trend data will be lost.

The WSHP Open controller’s 10-year lithium

1. Remove the battery from the controller, making note of the battery's polarity.

2. Insert the new battery, matching the battery's polarity with the polarity indicated on the WSHP Open controller.

TROUBLESHOOTING

SUCTION

COMPRESSOR

DISCHARGE

COAX

EXPANSION

VALV E

FP2

FP1

LIQUID LINE

WATER IN

WATER OUT

CONDENSATE

OVERFLOW

(CO)

AIR COIL FREEZE PROTECTION

WATER COIL PROTECTION

THERMISTOR

(°F)

AIR

COIL

AIRFLOW

LEGEND

Fig. 25 — FP1 and FP2 Thermistor Location

COAX — Coaxial Heat Exchanger

Airflow Refrigerant Liquid Line Flow

When troubleshooting problems with a WSHP, consider the

cuases and solutions in Table 21.

Thermistor — A thermistor may be required for single-

phase units where starting the unit is a problem due to low voltage.

Control Sensors — The control system employs 2 nom-

inal 10,000 ohm thermistors (FP1 and FP2) that are used for freeze protection. Be sure FP1 is located in the discharge fluid and FP2 is located in the air discharge. See Fig. 25.

Table 21 — Troubleshooting

FAULT HEATING COOLING POSSIBLE CAUSE SOLUTION

Main Power Problems X X Green Status LED Off Check line voltage circuit breaker and disconnect.

Check for line voltage between L1 and L2 on the contactor. Check for 24 VAC between R and C on controller. Check primary/secondary voltage on transformer.

HP Fault — Code 2 High Pressure

X Reduced or no airflow in

X Air temperature out of range

X X Overcharged with refrigerant Check superheat/subcooling vs typical operating condition. X X Bad HP switch Check switch continuity and operation. Replace.

LP/LOC Fault — Code 3 Low Pressure/Loss of Charge

FP1 Fault — Code 4 Water Freeze Protection

FP2 Fault — Code 5 Air Coil Freeze Protection

Condensate Fault — Code 6

Over/Under Voltage — Code 7 (Auto Resetting)

Performance Monitor — Code 8

FP1 and FP2 Thermistors — Code 9

No Fault Code Shown X X No compressor operation See scroll compressor rotation section.

Unit Short Cycles X X Dirty air filter Check and clean air filter.

Only Fan Runs X X Thermostat position Ensure thermostat set for heating or cooling operation.

LEGEND

RV — Reversing Valve

X X Insufficient charge Check for refrigerant leaks. X Compressor pump down at

X Reduced or no water flow in

X Inadequate antifreeze level Check antifreeze density with hydrometer. X Improper freeze protect set-

X Water temperature out of

X X Bad thermistor Check temperature and impedance correlation.

X X Bad thermistor Check temperature and impedance correlation. X X Blocked drain Check for blockage and clean drain. X X Improper trap Check trap dimensions and location ahead of vent.

X X Under voltage Check power supply and 24 VAC voltage before and during operation.

X X Over voltage Check power supply voltage and 24 VAC before and during operation.

X Heating mode FP2>125F Check for poor airflow or overcharged unit.

X FP1 temperature is higher

X X Compressor overload Check and replace if necessary. X X Control board Reset power and check operation.

X X Unit in 'Test Mode' Reset power or wait 20 minutes for auto exit. X X Unit selection Unit may be oversized for space. Check sizing for actual load of space. X X Compressor overload Check and replace if necessary.

X X Unit locked out Check for lockout codes. Reset power. X X Compressor overload Check compressor overload. Replace if necessary. X X Thermostat wiring Check Y and W wiring at heat pump. Jumper Y and R for compressor

X Reduced or no water flow in

cooling

X Water temperature out of

range in cooling

heating

in heating

start-up

heating

ting (30F vs 10F)

range

X Reduced or no airflow in

cooling

X Air temperature out of range Too much cold vent air. Bring entering air temperature within

X Improper freeze protect set-

ting (30F vs 10F)

X Poor drainage Check for piping slope away from unit.

X Moisture on sensor Check for moisture shorting to air coil.

X Cooling mode FP1>125F

OR FP2< 40F

than FP2 temperature

X FP2 temperature is higher

than FP1 temperature

Check pump operation or valve operation/setting. Check water flow adjust to proper flow rate. Bring water temperature within design parameters.

Check for dirty air filter and clean or replace. Check fan motor operation and airflow restrictions. Dirty air coil — construction dust etc. External static too high. Check Tables 4-12. Bring return air temperature within design parameters.

Check charge and start-up water flow.

Check pump operation or water valve operation/setting. Plugged strainer or filter. Clean or replace. Check water flow adjust to proper flow rate.

Clip JW2 jumper for antifreeze (10F) use.

Bring water temperature within design parameters.

Check for dirty air filter and clean or replace. Check fan motor operation and airflow restrictions. External static too high. Check Tables 4-12.

design parameters. Normal airside applications will require 30F only.

Check slope of unit toward outlet. Poor venting. Check vent location.

Check power supply wire size. Check compressor starting. Check 24 VAC and unit transformer tap for correct power supply voltage.

Check 24 VAC and unit transformer tap for correct power supply voltage.

Check for poor water flow or airflow.

Swap FP1 and FP2 thermistors.

operation in Test mode.

Table 21 — Troubleshooting (cont)

FAULT HEATING COOLING POSSIBLE CAUSE SOLUTION

Only Compressor Runs X X Thermostat wiring Check G wiring at heat pump. Jumper G and R for fan operation.

X X Fan motor relay Jumper G and R for fan operation. Check for line voltage across BR

X X Fan motor Check for line voltage at motor. Check capacitor. X X Thermostat wiring Check Y and W wiring at heat pump. Jumper Y and R for compressor

Unit Does Not Operate in Cooling

Insufficient Capacity/ Not Cooling or Heating Properly

High Head Pressure X Reduced or no airflow in

Low Suction Pressure X Reduced water flow in

Low Discharge Air Temperature in Heating

High Humidity X Airflow too high Check blower Tables 4-12.

LEGEND

RV — Reversing Valve

X X Dirty filter Replace or clean. X Reduced or no airflow in

X X Leaky ductwork Check supply and return air temperatures at the unit and at distant duct

X X Low refrigerant charge Check superheat and subcooling . X X Restricted metering device Check superheat and subcooling. Replace metering device.

X X Thermostat improperly

X X Unit undersized Recheck loads and sizing check sensible cooling load and heat pump

X X Scaling in water heat

X X Inlet water too hot or cold Check load, loop sizing, loop backfill, ground moisture.

X Air temperature out of range

X X Unit overcharged Check superheat and subcooling. Reweigh in charge. X X Non-condensables in

X X Restricted metering device Check superheat and subcooling. Replace metering device.

X Water temperature out of

X X Insufficient charge Check for refrigerant leaks. X Airflow too high Check blower Tables 4-12. X Poor performance See 'Insufficient Capacity'.

X Reversing valve Set for cooling demand and check 24 VAC on RV coil and at control.

X Thermostat setup Check for 'O' RV setup not 'B'. X Thermostat wiring Check O wiring at heat pump. Jumper O and R for RV coil 'Click'.

heating

X Reduced or no airflow in

cooling

X Defective reversing valve Perform RV touch test.

located

exchanger

heating

X Reduced or no water flow in

cooling

X Inlet water too hot Check load, loop sizing, loop backfill, ground moisture.

in heating

X Scaling in water heat

exchanger

system

heating

range

X Reduced airflow in cooling Check for dirty air filter and clean or replace.

X Air temperature out of range Too much cold vent air. Bring entering air temperature within design

X Unit oversized Recheck loads and sizing check sensible cooling load and heat pump

contacts. Check fan power enable relay operation (if present).

operation in test mode.

If RV is stuck, run high pressure up by reducing water flow and while operating engage and disengage RV coil voltage to push valve.

Check for dirty air filter and clean or replace. Check fan motor operation and airflow restrictions. External static too high. Check blower Tables 4-12. Check for dirty air filter and clean or replace. Check fan motor operation and airflow restrictions. External static too high. Check blower Tables 4-12.

registers if significantly different, duct leaks are present.

Check location and for air drafts behind thermostat.

capacity. Perform Scaling check and clean if necessary.

Check for dirty air filter and clean or replace. Check fan motor operation and airflow restrictions. External static too high. Check blower Tables 4-12. Check pump operation or valve operation/setting. Check water flow and adjust to proper flow rate.

Bring return air temperature within design parameters.

Perform Scaling check and clean if necessary.

Vacuum system and reweigh in charge.

Check pump operation or water valve operation/setting. Plugged strainer or filter. Clean or replace. Check water flow adjust to proper flow rate. Bring water temperature within design parameters.

Check fan motor operation and airflow restrictions. External static too high. Check blower Tables 4-12.

parameters.

capacity.

APPENDIX A — WSHP OPEN SCREEN CONFIGURATION









SCREEN NAME

Equipment

Status

Alarm Status

Sensor

Calibration

LEGEND

BAS — Building Automation System DCV — Demand Controlled Ventilation

ECM — Electronically Commutated Motor

IAQ — Indoor Air Quality OAT — Outdoor Air Temperature RH — Relative Humidity SAT — Supply Air Temperature SPT — Space Temperature TPI — Third Party Integration

PASSWORD

LEVEL

No Password

Required

No Password

Required

Admin Password level access only

Compressor Capacity 0 - 100% Displays compressor capacity

Condensate Overflow

Condenser Water Tem-

perature Alarm Status

Space RH Alarm Status Normal/Alarm Current space RH condition

Airside Linkage Status Normal/Alarm Current linkage status if enabled

POINT NAME EDITABLE RANGE DEFAULT NOTES

Operating Mode

SPT F Displays SPT SAT F Displays SAT

Condenser Leaving

Temperature

Condenser Entering

Temperature

Fan

Damper Position 0 - 100%

O Economizer 0 - 100% Displays position of economizer valve

Auxiliary Heat 0 - 100%

Space RH 0 - 100%

Dehumidification Inactive/Active

IAQ CO

SPT Alarm Status Normal/Alarm

Alarming SPT F

SPT Alarm Limit F

SPT Sensor Alarm

Status

IAQ Alarm Status Normal/Alarm Current IAQ/ventilation condition

Compressor Alarm

Status

SAT Alarm Status Normal/Alarm Current SAT condition

Alarm Status

Filter Alarm Status Normal/Alarm Current filter condition

OAT Alarm Status Normal/Alarm

Condenser Water

Linkage

SAT F Display SAT

SAT Offset X -9.9 - 10.0 F 0 F Used to correct sensor reading

Leaving Condenser

Water Temperature Leaving CW Offset X -9.9 - 10.0 F 0 F Used to correct sensor reading

Rnet Sensor Temperature

Rnet Offset X -9.9 - 10.0 F 0 F Used to correct sensor reading

RH % Displays Space RH value

RH Sensor Offset X -15% - 15% 0 % Used to correct sensor reading

Off, Fan Only, Economize,

Cooling, Heating, Cont Fan,

Test, Start Delay, Dehumidify

Off/Low Speed/

Medium Speed

High Speed/On

0 - 9999 ppm Displays the space CO2 level

Normal/Alarm

Normal/Alarm Current compressor condition

Normal/Alarm

Normal/Alarm Current linkage status if enabled

F Displays SPT

Displays unit operating mode

Displays leaving condenser

water temperature

Displays entering condenser

water temperature (Value

will not update when compressor

Displays current damper position

(Viewable only if Ventilation DMP

reheat valve (Viewable only if Leaving

Air Auxiliary Heat Type = 2 position,

Displays space RH% (Viewable only if

Displays if dehumidification is active

Dehumidification Reheat = Installed)

exceeded the alarm limit (when SPT

Displays the SPT alarm limit that was

exceeded; causing the alarm condition

(when SPT alarm above is in Alarm)

SPT sensor - ALARM is displayed

should the sensor fail to communicate

Current status of the condensate

is operating)

Displays fan speed status

Type = 2 position or DCV)

Displays position of auxiliary

1 stage Elect or Modulating)

Humidity Sensor = Installed)

(Viewable only if Factory

Displays current space

temperature condition Displays the SPT that

alarm above is in Alarm)

Displays the status of the Rnet

with the control module

drain (overflow switch)

Current status of the

condenser water

Current status of the OAT

broadcast function

Displays Leaving Condenser

Water Temperature

APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont)





SCREEN NAME

Unit

Maintenance

System Settings

Occupancy

Maintenance

Schedule

Configuration

BAS — Building Automation System DCV — Demand Controlled Ventilation

ECM — Electronically Commutated Motor

IAQ — Indoor Air Quality OAT — Outdoor Air Temperature RH — Relative Humidity SAT — Supply Air Temperature SPT — Space Temperature TPI — Third Party Integration

PASSWORD

No Password

User/Admin

Password level

LEGEND

LEVEL

required

access

POINT NAME EDITABLE RANGE DEFAULT NOTES

Operating Mode

Fan Operating Mode Auto/Continuous/Always On

Occupancy Status Unoccupied/Occupied Displays the current occupancy status

Occupancy Control

Outside Air

Temperature

SPT Status

SPT Sensor Status Inactive/Connected

Condensate Overflow Normal/Alarm

Cooling Set Point F

Heating Set Point F

Set Point Adjustment F

Auxiliary Heat Control

Set Point

O Economizer

Control Set Point

Calculated IAQ/

Ventilation Damper

Active Compressor

Reset Filter Alarm X No/Yes

Overflow Contact Closed/Open

Occupancy Contact Closed/Open

BAS/Keypad Override X

OAT Input N/A / Network

Keypad Configuration X Mapping

Password X Changes password

Network X See TPI

BACnet Time Master X See TPI

Clock Set X Changes clock/time setting

Override Schedules Inactive/Active Occupied

Pushbutton Override Inactive/Active Occupied

Keypad Override

Schedules Inactive/Active Occupied

Occupancy Contact Inactive/Active Occupied

BAS on/off Inactive/Active Occupied

Local Occupancy

Schedules

Local Holiday

Schedules

Local Override

Schedules

BACnet Occupancy

Schedules

Off, Fan Only,Economize,

Cooling, Heating, Cont Fan, Test,

Start Delay, Dehumidify

Always Occupied/Local Schedule/

BACnet Schedule/BAS Keypad/

Occupied Contact/Holiday Schedule/

Override Schedule/Pushbutton

Override/Unoccupied None

SPT F Displays SPT

Normal/Above Limit/Below

Limit/Sensor Failure

position

Stages

SAT F Displays SAT

BACnet X See TPI

Inactive/Active Occupied/Active

X Disable/Enable Enable

X Disable/Enable Disable

0/1/2

Inactive/Occupied/

Unoccupied

Inactive

Displays unit operating mode

Displays how the fan is configured

Displays OAT (Viewable only if OAT

Displays the connection status

being used for heating control

Displays the offset values from the Rnet

user set point adjustment that is being

applied to the configured set points

Displays the calculated set point being

used for auxiliary heating control

Displays the calculated set point being

Displays the ventilation damper

position calculated by the DCV control

Displays the actual number of

Used to reset the filter alarm timer after

the filter has been cleaned or replaced

Displays the state of the condensate

Displays the state of the external/

remote occupancy input switch contact

Provides capability to force the

occupied or unoccupied mode

Displays if an OAT value is being

Used to display the active and

inactive occupancy control inputs

Used to define which occupancy inputs

to operate

Displays the origin of the

occupancy control

is a network broadcast)

Displays the SPT status

of the Rnet sensor

Displays the status of the

condensate overflow

Displays the actual set point

being used for cooling control

Displays the actual set point

used for economizer control

compressor stages operating

overflow switch contact

equipment to operate in an

received from the Network

are used to determine

occupancy mode.

APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont)











SCREEN NAME

Configuration

Set Points

Configuration

Schedule

Weekly Schedule

Configuration

Schedule

Exception

Schedules 1 - 12

BAS — Building Automation System DCV — Demand Controlled Ventilation

ECM — Electronically Commutated Motor

IAQ — Indoor Air Quality OAT — Outdoor Air Temperature RH — Relative Humidity SAT — Supply Air Temperature SPT — Space Temperature TPI — Third Party Integration

PASSWORD

Password level

LEGEND

LEVEL

Occupied Heating X 40 - 90 F 72 F

Occupied Cooling X 55 - 99 F 76 F

Unoccupied Heating X 40 - 90 F 55 F

Unoccupied Cooling X 55 - 99 F 90 F

Effective Heating

Effective Cooling

User/Admin

access

DCV CTRL Start

User/Admin

access

User/Admin

access

POINT NAME EDITABLE RANGE DEFAULT NOTES

Defines the Occupied

Heating Set Point

Defines the Occupied

Cooling Set Point

Defines the Unoccupied

Heating Set Point

Defines the Unoccupied

Cooling Set Point

Set Point

Optimal Start

Occupied RH

Set Point

Unoccupied RH

Set Point

DCV Max CTRL

Set Point

Start Time X 00:00 - 23:59 06:00

End Time X 00:00 - 24:00 18:00

Mon X No/Yes Yes

Tu e X N o/ Ye s Ye s

Wed X No/Yes Yes

Thur X No/Yes Yes

Fri X No/ Yes Yes

Sat X No/Yes No

Sun X No/Yes No

Start Month X 0 - 12 0

Start Day X 0 - 31 0

Start Time X 00:00 - 23:59 0:00

End Month X 0 - 12 0

End Day X 0 - 31 0

End Time X 00:00 - 24:00 0:00

X0 - 10 F

X 0 - 100% 65%

X 0 - 100% 90%

X 0 - 9999 ppm 500 ppm

X 0 - 9999 ppm 1050 ppm

Takes into effect bias (maximum

allowable set point deviation)

Takes into effect bias (maximum

allowable set point deviation)

Uses historical data to calculate

ramp up time so as to be at set point

at occupied/unoccupied time

Defines the control set point used during occupied periods (Viewable only if Humidity Sensor = Installed/

Determines when to start

Dehumidification when occupied)

Defines the control set point used

during unoccupied periods

(Viewable only if Humidity Sensor =

Installed/Determines when to start

Dehumidification when unoccupied)

Defines the control set point used to

start increasing ventilation during

occupied periods (Viewable only if

Ventilation DMP Type = DCV)

Defines the control set point

used to define where the ventilation

will reach its maximum limit during occupied periods (Viewable only if Ventilation DMP Type = DCV/Used

to determine DCV ending control

Defines the start time for an

Defines the ending time of an

Determines if this day is included

Defines the start month of this

Defines the start day of this holiday

Determines the start time for this

Defines the month to end this

Defines the day to end this holiday

Determines the time to end this

point)

occupied period

in this schedule

hoilday schedule

schedule

hoilday schedule

schedule

APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)











SCREEN NAME

Configuration

Unit

Configuration

Service

Test

BAS — Building Automation System DCV — Demand Controlled Ventilation

ECM — Electronically Commutated Motor

IAQ — Indoor Air Quality OAT — Outdoor Air Temperature RH — Relative Humidity SAT — Supply Air Temperature SPT — Space Temperature TPI — Third Party Integration

PASSWORD

Admin Password level access only

LEGEND

LEVEL

POINT NAME EDITABLE RANGE DEFAULT NOTES

Heating Enable X Disable/Enable Enable

Cooling Enable X Disable/Enable Enable

Minimum SAT in

Maximum SAT in

Damper Ventilation

DCV Maximum Vent

Filter Alarm Timer X 0 - 9999 hrs 0 hrs Disables Filter Alarm if set to 0

Pushbutton Override X Disable/Enable Enable Enables Override Feature on Rnet sensor

SPT Sensor Set Point

Lockout Cooling if

Lockout Heating if

Power Fail Restart

Occupancy Schedules X Disable/Enable Enable Enables unit occupied

Set Point Separation X 2 - 9 F 4 F

Compressor Test X Disable/Enable Disable

Dehumidification Test X Disable/Enable Disable

Testing Compressor

Aux Heating Test X Disable/Enable Disable

O Economizer Test X Disable/Enable Disable

Preposition OA

Damper 100%

Auto= Intermittant operation during both

occupied and unoccupied periods/

Fan Mode X

Fan On Delay X 0 - 30 sec 10 sec

Fan Off Delay X 0 - 180 sec 45 sec

Cooling

Heating

Positio n

Adjustment

OAT <

OAT >

Delay

Test Mode X Disable/Enable Disable

Fan Test X Disable/Enable Disable

Fan Speed

Damper

Open Vent

SAT F Displays SAT

LCWT F

X40 - 60 F50 F

X 80 - 140 F 110 F

X 0 - 100% 100%

X Disable/Enable Enable

X -65 - 80 F -65 F

X 35 - 150 F 150 F

X 0 - 600 sec 60 sec Delay before equipment starts

X Disable/Enable Disable

X Disable/Enable Disable Used to test OA damper operation

Auto/Continuous/

Always On

Off/Low Speed/Medium

Speed/High Speed/On

Inactive/Heating/Cooling/

Dehumidify/TimeGard

Wait

Continuous

Continuous = Intermittant during unoccupied

periods and continuous during occupied

periods/Always on = fan operates

continuously during both occupied and

unoccupied periods

Defines the delay time before the fan begins to operate after heating or cooling is started

Defines the amount of time the fan will

continue to operate after heating or

cooling is stopped

Provides capability to manually

disable heating operation

Provides capability to manually

disable cooling operation

Defines the minimum acceptable operating

temperature for the Supply Air

Defines the maximum acceptable operating

temperature for the Supply Air

Normally set to 100% if 2 position damper

type or set to minimum ventilation position if

Usually set at 100% - Used to limit maximum

Enables Set Point adjustment capability

Cooling is locked out when OAT is less than

configured value and OAT is actively being

Heating is locked out when OAT is greater

than configured value and OAT is actively

Used to enable test mode. Will automatically

Used to test all fan speeds. Sequences fan

from low to high and operates each speed for

1 minute. Resets to disable on completion

Used to test compressor cooling and heating

operation. Sequences cooling stage 1, then

stage 2, then heating stage 2 and reduces

capacity to stage 1. Operates for 1 minute per

Used to test entering/return air water loop

economizer coil operation. Sequences fan on

and opens economizer coil water valve for 1

minute. Resets to disable on completion

damper type = DCV

damper opening in DCV mode

on Rnet Sensor

being broadcast

Used to enforce minimum

set point separation

reset to disable after 1 hour

Displays current fan operation

step. Resets to disable on completion.

Used to test dehumification mode -

Operates for 2 minutes. Resets to

disable on completion.

Displays compressor test mode

Used to test auxiliary heat.

Sequences fan on and enables

heating coil for 1 minute. Resets to

disable on completion

Used to preposition OA damper

actuator to set proper preload

Displays Leaving Condenser

Water Temperature

broadcast

APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)







SCREEN NAME

Configuration

Service

Configuration

LEGEND

BAS — Building Automation System DCV — Demand Controlled Ventilation

ECM — Electronically Commutated Motor

IAQ — Indoor Air Quality OAT — Outdoor Air Temperature RH — Relative Humidity SAT — Supply Air Temperature SPT — Space Temperature TPI — Third Party Integration

PASSWORD

LEVEL

Admin Password level access only

Compressor Stages X One Stage/Two Stages One Stage

Reversing Valve Type X O type output/B type output O type

Leaving Air Auxiliary

Damper Actuator Type X (0-10 volt)/(2-10 volt) 0-10 volt

Factory Dehumidifica-

Minimum Condenser

Water Temperature in

Maximum Condenser Water Temperature in

Minimum Condenser

Water Temperature in

Maximum Condenser Water Temperature in

POINT NAME EDITABLE RANGE DEFAULT NOTES

# of Fan Speeds X 1,2,3 3

G Output Type X Fan On/Fan Low Fan On

Heat Type

Entering Air Water

Economizer Type

2-Position Water

Val ve Typ e

Modulating Water

Val ve Typ e

Ventilation Damper

Ty pe

Humidity Sensor X None/Installed None

tion Reheat Coil

Occupancy Input Logic

Condensate Switch

Alarm Delay

Condensate Switch

Alarm State

Heating

Cooling

IAQ sensor

minimum input

IAQ sensor

maximum input

IAQ sensor

minimum output

IAQ sensor

maximum output

X None/2-Position/Modulating None

X Normally Closed/Normally Open

X None/2-Position/DCV None

X None/Installed None

X Occupied Open/Occupied Closed

X 5 - 600 seconds 10 sec

X Alarm OPEN/Alarm CLOSED

X25 - 60 F60 F

X 65 - 100 F 90 F

X30 - 60 F60 F

X 85 - 120 F 95 F

X 0 - 5 ma 4 ma

X 5 - 20 ma 20 ma

X 0 - 9999 ppm 0 ppm

X 0 - 9999 ppm 2000 ppm

None/2-Position HW/1 Stage

Electric/Modulating HW

Normally

Closed

Normally

Closed

Occupied CLOSED

CLOSED

None

Alarm

Used to set number of

fan motor speeds

When set to Fan On, G output is energized when ever any fan speed is active (required for ECM and Fan

control board). When set to Fan

Low, output is only energized for

Set to Installed if factory-installed

Used to determine external occu-

pancy switch contact occupied state

Delay before equipment alarms on

acceptable water loop temperature

Maximum output current (mA) for

Corresponding value in ppm for

Low Speed

Defines the number of

stages of compression

Determines reversing valve

signal output type

Determines Auxiliary

Reheat Coil Type

Determines Entering Air

Economizer Coil Type

Determines type of 2-position

water valve used

Determines type of modulating

water valve used

Determines type of ventilation

damper control to be used

Used to determine ventilation

damper output signal range

(closed - open)

Set to Installed if humidity

sensor is present

dehumidification reheat coil

is present

high condensate level

Determine Alarm state of

condensate switch input

Determines the minimum

to start heating

Determines the maximum

to start heating

Determines the minimum

to start cooling

Determines the maximum

to start cooling

Minimum output current (mA)

for IAQ sensor

IAQ sensor

minimum output current

maximum output current

APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)











SCREEN NAME

Configuration

Alarm

Configuration

Linkage

BAS — Building Automation System DCV — Demand Controlled Ventilation

ECM — Electronically Commutated Motor

IAQ — Indoor Air Quality OAT — Outdoor Air Temperature RH — Relative Humidity SAT — Supply Air Temperature SPT — Space Temperature TPI — Third Party Integration

PASSWORD

LEVEL

Admin Password level access only

LEGEND

POINT NAME EDITABLE RANGE DEFAULT NOTES

SPT Occupied Alarm

SPT Alarm Delay X 0 - 30 min per degree 10 min

SPT Unoccupied Low

Alarm Temperature

SPT Unoccupied High

Alarm Temperature

SAT High SAT

Condensate Overflow

Space Humidity Occupied

High Alarm Limit

Space Humidity Alarm

Space Humidity Unoccu-

pied High Alarm Limit

IAQ/Ventilation Occupied

High Alarm Limit

IAQ/Ventilation

Rnet Sensor SPT Alarm X Ignore/Display Ignore

Rnet Sensor SAT Alarm X Ignore/Display Ignore

Rnet Sensor Compressor

Lockout Alarm

Rnet Sensor Condenser

Water Temperature Alarm

Rnet Sensor Condensate

Overflow Alarm

Rnet Sensor Dirty

Rnet Sensor Space

High Humidity Alarm

Loop Control Network

Number of Linked Heat

Hysteresis

SAT Low SAT

Alarm Limit

Alarm Delay

Delay

Alarm Delay

Filter Alarm

Number

Address

Pumps

Defines the hysteresis applied above

X2 - 20 F5 F

X 35 - 90 F 45 F

X 45 - 100 F 95 F

X 15 - 90 F 45 F

X 90 - 175 F 120 F

X 5 - 600 sec 10 sec

X 45% - 100% 100%

X 0 - 30 min per % RH 5 min

X 45% - 100% 100%

X 0 - 9999 ppm 1100 ppm

X 0.1 - 1.0 min per ppm 0.25 min

X Ignore/Display Display

X Ignore/Display Ignore

the cooling and below the heating set

points before an alarm condition will

Used to calculate the delay time before

an alarm is generated after the alarm

Defines the delay time before an alarm

is generated after the alarm condition

Used to calculate the delay time before

an alarm is generated after the alarm

Used to calculate the delay time before

an alarm is generated after the alarm

Determines if the Compressor Lockout

Temperature alarm is displayed on the

Determines if the Dirty Filter alarm is

condition occurs

Defines the fixed unoccupied

ow SPT alarm limit

Defines the fixed unoccupied

high SPT alarm limit

Defines the fixed minimum

SAT alarm limit

Defines the fixed maximum

SAT alarm limit

Defines the fixed occupied

high space RH alarm limit

condition occurs

Defines the fixed unnoccupied

high space RH alarm limit

Defines the fixed occupied high

space IAQ/Ventilation alarm limit

condition occurs

Determines if the SPT alarm is

displayed on the local Rnet sensor

Determines if the SAT alarm is

displayed on the local Rnet sensor

alarm is displayed on the local Rnet

Determines if the Condenser Water

local Rnet sensor

Determines if the Condensate

Overflow alarm is displayed on the

local Rnet sensor

displayed on the local Rnet sensor

Determines if the High Space

RH alarm is displayed on the

local Rnet sensor

occur

occurs

sensor

See TPI

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53500070-01 Printed in U.S.A. Form 50RTP-1SI Pg 58 7-10 Replaces: New

50RTP

START-UP CHECKLIST

CUSTOMER:___________________________ JOB NAME: _______________________________________

MODEL NO.:___________________________ SERIAL NO.:____________________ DATE:_________

I. PRE-START-UP

DOES THE UNIT VOLTAGE CORRESPOND WITH THE SUPPLY VOLTAGE AVAILABLE? (Y/N)

HAVE THE POWER AND CONTROL WIRING CONNECTIONS BEEN MADE AND TERMINALS TIGHT? (Y/N)

HAVE WATER CONNECTIONS BEEN MADE AND IS FLUID AVAILABLE AT HEAT EXCHANGER? (Y/N)

HAS PUMP BEEN TURNED ON AND ARE ISOLATION VALVES OPEN? (Y/N)

HAS CONDENSATE CONNECTION BEEN MADE AND IS A TRAP INSTALLED? (Y/N)

IS AN AIR FILTER INSTALLED? (Y/N)

II. START-UP

IS FAN OPERATING WHEN COMPRESSOR OPERATES? (Y/N)

VERIFY PROPER ROTATION OF SCROLL COMPRESSOR PER INSTRUCTIONS. (Y/N)

UNIT VOLTAGE — COOLING OPERATION

PHASE AB VOLTS PHASE BC VOLTS PHASE CA VOLTS

PHASE AB AMPS PHASE BC AMPS PHASE CA AMPS

CONTROL VOLTAGE

IS CONTROL VOLTAGE ABOVE 21.6 VOLTS? (Y/N) . IF NOT, CHECK FOR PROPER TRANSFORMER CONNECTION.

TEMPERATURES

FILL IN THE ANALYSIS CHART ATTACHED.

COAXIAL HEAT EXCHANGER

COOLING CYCLE: FLUID IN

FFLUID OUT F PSI FLOW

HEATING CYCLE: FLUID IN

FFLUID OUT F PSI FLOW

AIR COIL COOLING CYCLE:

AIR IN

HEATING CYCLE: AIR IN

FAIR OUT F

CL-1

HEATING CYCLE ANALYSIS

SUCTION

COMPRESSOR

DISCHARGE

COAX

EXPANSION

VALV E

AIR

COIL

PSI

WATER OUT

WATER IN

PSI

LIQUID LINE

PSI

SAT

COOLING CYCLE ANALYSIS

a50-8559

a50-8560

AIR

COIL

HEAT OF EXTRACTION (ABSORPTION) OR HEAT OF REJECTION =

FLOW RATE (GPM) x TEMP. DIFF. (DEG. F) x FLUID FACTOR* =

EXPANSION

VALV E

LIQUID LINE

COAX

WATER IN

PSI

WATER OUT

SUPERHEAT = SUCTION TEMPERATURE – SUCTION SATURATION TEMPERATURE

SUBCOOLING = DISCHARGE SATURATION TEMPERATURE – LIQUID LINE TEMPERATURE

*Use 500 for water, 485 for antifreeze.

(DEG F)

PSI

SUCTION

COMPRESSOR

DISCHARGE

SAT

CUT ALONG DOTTED LINE CUT ALONG DOTTED LINE

(Btu/hr)

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53500070-01 Printed in U.S.A. Form 50RTP-1SI Pg CL-2 7-10A 7-10 Replaces: New

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Carrier 50RTP03-20 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual