McQuay MPS003AG Installation Manual

Page 1
© 2007 McQuay International
Maverick I™ Commercial Packaged Rooftop System Heating & Cooling
Gas/Electric Models MPS003AG – 005AG 3 to 5 Tons
Installat
intenance Manual
IM 860
Group: Applied Systems
Part Number: 92-102421-02-00
Date: March 2007
ARI Standard 210/240 UAC
Page 2
2 IM 860
Table of Contents
Table of Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Checking Product Received . . . . . . . . . . . . . . . . . . . . 3
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Major Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Unit Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pre-Installation Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Location Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Outside Slab Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Attaching Exhaust and Combustion Air Inlet Hoods. . . . . . . . . . . 7
Cover Panel Installation/Conversion Procedure. . . . . . . . . . . . . . 7
Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rooftop Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Return Air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Gas Supply, Condensate Drain and Piping . . . . . . . 10
Gas Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
LP Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
NOx Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Adjusting or Checking Furnace Input . . . . . . . . . . . . . . . . . . . . . 11
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Hook Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Internal Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Furnace Section Controls and Ignition System . . . 14
Normal Furnace Operating Sequence . . . . . . . . . . . . . . . . . . . . 14
Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Burners. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Manual Reset Overtemperature Control . . . . . . . . . . . . . . . . . . 15
Pressure Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Limit Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
System Operating Information . . . . . . . . . . . . . . . . . 16
Advise The Customer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Furnace Section Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Cooling Section Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Replacement Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Wiring Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Blower Motor Speed Taps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
General Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-23
Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Airflow Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-28
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-32
Charge Charts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-35
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36-38
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Page 3
Introduction
This manual contains the installation and operating instruc­tions for your packaged rooftop unit. There are some precau­tions that should be taken to derive maximum satisfaction from it. Improper installation can result in unsatisfactory oper­ation or dangerous conditions.
Read this manual and any instructions packaged with separate equipment required to make up the system prior to installation. Give this manual to the owner and explain its provisions. The owner should retain this manual for future reference.
Checking Product Received
Upon receiving the unit, inspect it for any damage from ship­ment. Claims for damage, either shipping or concealed, should be filed immediately with the shipping company. IMPOR­TANT: Check the unit model number, heating size, electrical characteristics, and accessories to determine if they are cor­rect.
Specifications
General
The Combination Gas Heating/Electric Cooling Rooftop is available in 80,000, 100,000, 120,000 and 135,000 BTU/Hr. heating inputs and cooling capacities of 3, 4, and 5 nominal tons of cooling. Units are convertible from bottom supply and return to side supply and return by relocation of supply and return air access panels. See cover installation detail.
The units are weatherized for mounting outside of the build­ing.
The information on the rating plate is in compliance with the FTC and DOE rating for single phase units. The following information is for three phase units which are not covered under the DOE certification program.
1 The energy consumption of the ignition system used with
this unit is 9 watts.
2 The efficiency rating of this unit is a product thermal effi-
ciency rating determined under continuous operating con­ditions independent of any installed system.
Major Components
The unit includes a hermetically-sealed refrigerating system (consisting of a scroll compressor, condenser coil, evaporator coil with capillary tube assembly), a circulation air blower, a condenser fan, a heat exchanger assembly, gas burner and con­trol assembly, combustion air motor and fan, and all necessary internal electrical wiring. The cooling system of these units is factory-evacuated, charged and performance tested. Refrigerant amount and type are indicated on rating plate.
Safety Information
The manufacturer’s warranty does not cover any damage or defect to the air conditioner caused by the attachment or use of any components, accessories or devices (other than those authorized by the manufacturer) into, onto or in con­junction with the air conditioner. you should be aware that the use of unauthorized components, accessories or devices may adversely affect the operation of the air condi­tioner and may also endanger life and property. the manu­facturer disclaims any responsibility for such loss or injury resulting from the use of such unauthorized components, accessories or devices.
IM 860
3
Recognize this symbol as an indication of Important Safety Information!
Units are not design certified to be installed inside the struc­ture. Doing so can cause inadequate unit performance as well as property damage and carbon monoxide poisoning resulting in personal injury or death.
Install this unit only in a location and position as specified in the location requirements and considerations section of these instructions. Provide adequate combustion and venti­lation air to the unit space as specified in the venting section of these instructions.
Provide adequate combustion and ventilation air to the unit space as specified in the combustion and ventilation air sec­tion of these instructions.
Use only with type of gas approved for this unit. Refer to the unit rating plate.
Combustion products must be discharged outdoors. Connect this unit to an approved vent system only, as spec­ified in Vent Pipe Installation section of these instructions.
Never test for gas leaks with an open flame. It can cause an explosion or fire resulting in property damage, personal injury or death. Use a commercially available soap solution made specifically for the detection of leaks to check all con­nections, as specified in the Gas Supply and Piping section of these instructions.
Always install unit to operate within the unit's intended tem­perature-rise range with a duct system which has an exter­nal static pressure within the allowable range, as specified in ducting section of these instructions. See also unit rating plate.
DANGER
!
!
WARNING
!
WARNING
!
WARNING
!
DANGER
!
WARNING
!
DANGER
!
WARNING
!
Page 4
4
Figure 1: Bottom View
Figure 2: Cabinet Dimensions and Access Locations
Unit Dimensions
FOR CLEARANCES SEE FIGURE 7.
IMPORTANT: THIS UNIT MUST BE MOUNTED LEVEL IN BOTH DIREC­TIONS TO ALLOW WATER TO DRAIN FROM THE CON­DENSER SECTION AND CONDEN­SATE PAN.
I316
I281
IM 860
2
9.56
44.125
48.125
4.5
2.25
SUPPLY AIR
RETURN AIR
2
3.25
4.5
20
20
13.125
13.125
14.44
2
31.19
3.81
78.25
24.03
48.06
5.34
BLOWER
ACCESS
COIL/FILTER
ACCESS
SUPPLY COVER
RETURN COVER
4.625
Page 5
5
Figure 3: Cabinet Dimensions and Access Locations
Figure 4: Supply and Return Dimensions – Back View
I282
I288
IM 860
48.5
24.25
7.22
75.53
11.125
12.25
12.25
35
6.84
4.94
13.72
76.25
5.5
19.125
19.125
35
18
9.19
Page 6
6 IM 860
Installation
General
Install this unit in accordance with The American National Standard Z223.1-latest edition manual entitled “National Fuel Gas Code,” and the requirements or codes of the local utility or other authority having jurisdiction.
Additional helpful publications available from the “National Fire Protection Association” are: NFPA-90A - Installation of Air Conditioning and Ventilating Systems 1985 or latest edi­tion. NFPA-90B - Warm Air Heating and Air Conditioning Systems 1984.
These publications are available from:
National Fire Protection Association, Inc. Batterymarch Park Quincy, MA 02269
1 PRE-INSTALLATION CHECK-POINTS — Before
attempting any installation, carefully consider the follow­ing points:
Structural strength of supporting members
(Rooftop Installation) Clearances and provision for servicing Power supply and wiring Gas supply and piping Air duct connections and sizing Drain facilities and connections Location for minimum noise and
vibration - away from bedroom
windows
2 LOCATION CONSIDERATIONS
The metal parts of this unit may be subject to rust or dete­rioration in adverse environmental conditions. This oxida­tion could shorten the equipment’s useful life. Salt spray, fog or mist in seacoast areas, sulphur or chlorine from lawn watering systems, and various chemical contami­nants from industries such as paper mills and petroleum refineries are especially corrosive.
If the unit is to be installed in an area where contami­nants are likely to be a problem, give special attention to the equipment location and exposure.
1 Avoid having lawn sprinkler heads spray directly on
the unit cabinet.
2 In coastal areas locate the unit on the side of the build-
ing away from the waterfront.
3 Shielding by a fence or shrubs may give some protec-
tion.
1 Frequent washing of the cabinet, fan blade and coil with
fresh water will remove most of the salt or other contami­nants that build up on the unit.
2 Regular cleaning and waxing of the cabinet with a good
automobile polish will provide some protection.
3 A good liquid cleaner may be used several times a year to
remove matter that will not wash off with water.
Several different types of protective coatings are offered in some areas. These coatings may provide some benefit, but the effectiveness of such coating materials cannot be verified by the equipment manufacturer.
The best protection is frequent cleaning, maintenance and minimal exposure to contaminants.
Outside Slab Installation
(Typical outdoor slab installation is shown in Figure 5.)
1 Select a location where external water drainage cannot
collect around unit.
2 Provide a level slab sufficiently high enough above grade
to prevent surface water from entering the unit
3 The location of the unit should be such as to provide
proper access for inspection and servicing as shown in Figure 7.
4 Locate unit where operating sounds will not disturb
owner or neighbors.
This unit may be used to heat the building or structure dur­ing construction if the following installation requirements are met. Installation must comply with all installation instructions including:
• Proper vent installation;
• Furnace operating under thermostatic control;
• Return air duct sealed to the furnace;
• Air filters in place;
Set furnace input rate and temperature rise per rating plate marking;
• Means of providing outdoor air required for combustion;
• Return air temperature maintained between 55°F (13°C) and 80°F (27°C); and
• Installation of exhaust and combustion air inlet hoods completed;
• Clean furnace, duct work and components upon substan­tial completion of the construction process, and verify fur­nace operating conditions including ignition, input rate, temperature rise and venting, according to the instruc­tions.
These units are designed certified for outdoor installation only. Installation inside any part of a structure can result in inadequate unit performance as well as property damage. Installation inside can also cause recirculation of flue prod­ucts into the conditioned space resulting in personal injury or death.
When a unit is installed so that supply ducts carry air circu­lated by the unit to areas outside the space containing the unit, the return air shall also be handled by duct(s) sealed to the unit casing and terminating outside the space containing the unit.
Power supply to unit must be disconnected before making field connections. To avoid electrical shock, personal injury or death, be sure to rigorously adhere to field wiring proce­dures regarding proper lockout and tagout of components.
WARNING
!
DANGER
!
WARNING
!
DANGER
!
Page 7
5 Locate unit so roof runoff water does not pour directly on
the unit. Provide gutter or other shielding at roof level. Do not locate unit in an area where excessive snow drift­ing may occur or accumulate.
6 Where snowfall is anticipated, the height of the unit
above the ground level must be considered. Mount unit high enough to be above anticipated maximum area snowfall and to allow combustion air to enter the combus­tion air inlet.
7 Select an area which will keep the areas of the vent, air
intake, and A/C condenser fins free and clear of obstruc­tions such as weeds, shrubs, vines, snow, etc. Inform the user accordingly.
8 Remove compressor shipping supports (if so equipped)
after installation.
Attaching Exhaust and Combustion Air Inlet Hoods
IMPORTANT: Do not operate this unit without the exhaust/combus-
tion air inlet hood properly installed. This hood is shipped in a carton in the blower compartment inside the unit and must be attached when the unit is installed. See Figure 3.
To attach exhaust/combustion air inlet hood:
1 Remove screws securing blower access panel and remove
access panel. For location of blower access panel, see Figure
2.
2 Remove exhaust/combustion air inlet hood from the carton,
located inside the blower compartment.
3 Attach blower access panel.
4 Attach the combustion air inlet/exhaust hood with screws.
Reference Figure 3 for proper location. Screws are in carton with the hood.
5 Vent the unit using the flue exhaust hood, as supplied from
the factory, without alteration or addition.
Cover Panel Installation/Conversion Procedure
Downflow To Horizontal
1 Remove the screws and covers from the outside of the
supply and return sections.
2 Install the covers in the bottom supply and return open-
ings with the painted side up. See Figure 6. Use the exist­ing gasket to seal the covers.
3 Secure the supply cover to the base of the unit with 1
screw, engaging prepunched tab in unit base.
4 Secure the return cover to the base of the unit with screws
engaging prepunched holes in the unit base.
This unit is provided with 2 - 25” X 16” X 1” disposable fil­ters. When replacing filters, ensure they are inserted fully to the back to prevent bypass.
Clearances
The following minimum clearances must be observed for prop­er unit performance and serviceability. Reference Figure 7.
NOTE: Supply duct may be installed with 0 inch clearance to combustible materials, provided 1 inch minimum Fiberglass insu­lation is applied either inside or on the outside of the duct.
Rooftop Installation
1 Before locating the unit on the roof, make sure that the
roof structure is adequate to support the weight involved. (See Electrical & Physical Tables in this manual.) THIS
IS VERY IMPORTANT AND THE INSTALLER’S RESPONSIBILITY.
2 For rigging and roofcurb details, see Figures 9, 10 and 11.
3 The location of the unit on the roof should be such as to
provide proper access for inspection and servicing.
IM 860
7
Figure 6: Cover gasket detail for units shipped for down­flow application being converted to horizontal
I631
Recommended
Clearance
Location
48 A - Front
18 B - Condenser Coil
12* C - Duct Side
36 D - Evaporator End
60 E - Above
*Without Economizer. 57 With Economizer
Figure 5: Outside Slab Installation. Closet Distribution System. Slab Floor Construction.
I298
Page 8
8 IM 860
4 Remove compressor shipping supports (if so equipped)
after installation.
IMPORTANT: If unit will not be put into service immediately, block off supply and return air openings to prevent excessive condensation.
Ductwork
The installing contractor should fabricate ductwork in accor­dance with local codes. Use industry manuals as a guide when sizing and designing the duct system. Contact Air Conditioning Contractors of America, 1513 16th St. N.W., Washington, D.C. 20036.
Place the unit as close to the conditioned space as possible allowing clearances as indicated. Run ducts as directly as pos­sible to supply and return outlets. Use of non-flammable weatherproof flexible connectors on both supply and return connections at unit to reduce noise transmission is recom­mended.
On ductwork exposed to outside temperature and humidity, use a minimum of 2ⴖ of insulation and a vapor barrier. Distribution system in attic, furred space or crawl space should be insulated with at least 2ⴖ of insulation.
1
2to 1thick
insulation is usually sufficient for ductwork inside the air con­ditioned space.
Provide balancing dampers for each branch duct in the supply system. Properly support ductwork from the structure.
IMPORTANT: In the event that the return air ducts must be run through an “unconfined” space containing other fuel burning equipment, it is imperative that the user be informed against future changes in construction which might change this to a “con­fined space.” Also, caution the user/homeowner against any future installation of additional equipment (such as power ventila­tors, clothes dryers, etc., within the existing unconfined and/or confined space which might create a negative pressure within the vicinity of other solid, liquid, or gas fueled units.
Return Air
Figure 7: Clearances
I297
Do not, under any circumstances, connect return ductwork to any other heat producing device such as fireplace insert, stove, etc. Unauthorized use of such devices may result in fire, carbon monoxide poisoning, explosion, personal injury, property damage or death.
DANGER
!
Never allow products of combustion or the flue products to enter the return air ductwork, or the circulating air supply. All return ductwork must be adequately sealed and secured to the furnace with sheet metal screws, and joints taped. All other duct joints must be secured with approved connec­tions and sealed airtight.
Failure to prevent products of combustion from being circu­lated into the living space can create potentially hazardous conditions, including carbon monoxide poisoning that could result in personal injury or death.
Figure 8: Flat rooftop installation, attic or drop ceiling dis­tributing system. Mounted on roofcurb. Curb must be level.
I299
DANGER
!
Page 9
IM 860
9
N
A
*
E
T
D
Figure 11: Roofcurb
Figure 10: Roofcurb
RETURN DUCT*
SUPPLY DUCT*
NAILING STRIP
INSULATION PANELS (2) SUPPLIED
GASKET (FULL PERIMETER AND ON DIVIDERS, MUST BE ABOVE DUCT AND INSULATION PANEL FLANGES.)
HOLD DOWN BRACKET TYP. (4) PLCS.
UNIT
I296
ST-A0801-19-01
CORNER WEIGHTS BY PERCENTAGE
AB C D
22% 27% 23%28%
SPREADER BAR
A
B
D
C
LIFTING BEAM
CABLE OR CHAIN
.625SHACKLE
(EACH CORNER)
38.25
25.75
C.G.
ST-A0801-19-01
ROOFTOP UNIT
COUNTER FLASHING*
INSULATION*
CANT STRIP*
ROOF FELT*
INSULATION*
ROOF DECK*
*BY CONTRACTOR
ROOF STRUCTURAL MEMBER*
ROOFCURB
DUCT*
NAILER STRIP
GASKET
RETURN
SUPPLY
Figure 9: Rigging Detail
GASKET
NAILER STRIP
DUCT*
ROOFCURB
TURAL
ER*
ROOFTOP U
COUNTER FL
INSULATION
CANT STRIP*
ROOF F
INSULA
ROOF
Page 10
10
Gas Supply, Condensate Drain and Piping
Gas Connection
IMPORTANT: Connect this unit only to gas supplied by a com-
mercial utility.
1 Install gas piping in accordance with local codes and reg-
ulations of the local utility company. In the absence of local codes, the installation must conform to the specifi­cations of the National Fuel Gas Code, ANSI Z223.1 ­latest edition.
NOTE: The use of flexible gas connectors is not permit­ted.
2 Connect the gas line to the gas pipe inlet opening provid-
ed into the 1/2inlet valve. See Figure 5 or 8 for typical piping.
3 Size the gas line to the furnace adequate enough to pre-
vent undue pressure drop and never less than 1/2.
4 Install a drip leg or sediment trap in the gas supply line as
close to the unit as possible.
5 Install an outside ground joint union to connect the gas
supply to the control assembly at the burner tray.
6 Gas valves have been factory installed. Install a manual
gas valve where local codes specify a shut-off valve out­side the unit casing. (See Figure 12.)
NOTE: The Commonwealth of Massachusetts requires the gas shut-off valve to be a T-handle gas lock.
7 Make sure piping is tight. A pipe compound resistant to
the action of liquefied petroleum gases must be used at all threaded pipe connections.
8 IMPORTANT: any additions, changes or conversions
required for the furnace to satisfactorily meet the applica­tion should be made by a qualified installer, service agency or the gas supplier, using factory-specified or approved parts. In the commonwealth of Massachusetts, installation must be performed by a licensed plumber or gas fitter for appropriate fuel.
IMPORTANT: Disconnect the furnace and its individual shutoff valve from the gas supply piping during any pressure testing of that system at test pressures in excess of 1/2 pound per square inch gauge or isolate the system from the gas supply piping sys­tem by closing its individual manual shutoff valve during any pressure testing of this gas supply system at pressures equal to or less than 1/2 PSIG.
IMPORTANT: Check the rating plate to make certain the unit is equipped to burn the type of gas supplied. Care should be taken
after installation of this equipment that the gas control valve not be subjected to high gas supply line pressure.
In making gas connections, avoid strains as they may cause noise and damage the controls. A backup wrench is required to be used on the valve to avoid damage.
The capacities of gas pipe of different diameters and lengths in cu. ft. per hr. with pressure drop of 0.3 in. and specific gravity of 0.60 (natural gas) are shown in Table 1.
After determining the pipe length, select the pipe size which will provide the minimum cubic feet per hour required for the gas input rating of the furnace. By formula:
Gas Input of Furnace (BTU/HR)
Cu. Ft. Per Hr. Required =
Heating Value of Gas
(BTU/FT3)
The gas input of the furnace is marked on the furnace rating plate. The heating value of the gas (BTU/FT3) may be deter­mined by consulting the local natural gas utility or the L.P. gas supplier.
LP Conversion
IM 860
Never test for gas leaks with an open flame. It can cause an explosion or fire resulting in property damage, personal injury or death. Use a commercially available soap solution made specifically for the detection of leaks to check all con­nections, as specified in the Gas Supply and Piping section of these instructions.
Figure 12: Suggested Gas Piping
FROM GAS METER
*
Factory supplied grommet must be utilized.
MANUAL GAS SHUT-OFF VALVE
UNIT GAS SUPPLY CONNECTION
*
ROOF OR GROUND LEVEL INSTALLATION
Table 1: Gas Pipe Capacity Table (Cu. Ft./Hr.)
Nominal
Iron Pipe
Size,
Inches
Equivalent Length of Pipe, Feet
10 20 30 40 506070 80
1
2 1329273 63 56 50 46 43
3
4 278 190 152 130 115 105 96 90
1 520 350 285 245 215 195 180 170 11⁄4 1,050 730 590 500 440 400 370 350 11⁄2 1,600 1,100 890 760 670 610 560 530
Factory for use on natural gas only. Conversion to LP gas requires a special kit supplied by the distributor or manufactur­er. Mailing addresses are listed on the furnace rating plate, parts list and warranty. Failure to use the proper conversion kit can cause fire, carbon monoxide poisoning, explosion, per­sonal injury, property damage or death.
DANGER
!
DANGER
!
Page 11
11
Convert the valve to use liquefied petroleum (LP) gas by replacing the pressure regulator spring with the conversion kit spring. This LP kit spring allows the regulator to maintain the proper manifold pressure for LP gas. The correct burner LP orifices are included in the kit. See Figure 13.
IMPORTANT: To remove the gas valve, remove the four screws securing the manifold pipe to the burner tray. Remove the mani­fold pipe with gas valve attached. See Figure 14.
NOTE: Order the correct LP conversion kit from the furnace manufacturer. See Conversion Kit Index shipped with unit for proper LP kit number. Furnace conversion to LP gas must be performed by a qualified technician.
NOx Models
When converting units equipped with NOx inserts to LP gas, the stainless steel screen mesh inserts in the entrance of the tubular exchangers are not required to meet SCAQMD NOx emission levels. These inserts and 1/8diameter retaining rod should be carefully removed before firing this furnace on LP gas. IMPORTANT: This furnace is not designed to operate on
LP gas with the NOx inserts in place.
Step by step instructions on removing the NOx inserts and retaining rod are included in the Conversion Kit Installation Instructions.
Adjusting or Checking Furnace Input
– Natural Gas Line Pressure 5” - 10.5” W.C. – LP Gas Line Pressure 11” - 13” W.C.
– Natural Gas Manifold Pressure 3.5” W.C – LP Gas Manifold Pressure - 10” W.C.
Supply and manifold pressure taps are located on the gas valve body 1/8” N.P.T. and on the manifold.
Use a properly calibrated manometer gauge for accurate gas pressure readings.
Only small variations in the gas flow should be made by means of the pressure regulator adjustment. Furnaces func­tioning on LP gas must be set by means of the tank or branch supply regulators. The furnace manifold pressure should be set at 10” W.C. at the gas control valve.
To adjust the pressure regulator, remove the regulator cap and turn the adjustment screw clockwise to increase pressure or counterclockwise to decrease pressure. Then replace the reg-
ulator cap securely.
Any necessary major changes in the gas flow rate should be made by changing the size of the burner orifices. To change orifice spuds, shut off the manual main gas valve and remove the gas manifold.
For elevations up to 2,000 feet, rating plate input ratings apply. For high altitudes (elevations over 2,000 ft.), see conversion kit index 92-21519-XX for derating and orifice spud sizes.
Check of input is important to prevent over-firing of the furnace beyond its design-rated input. NEVER SET INPUT ABOVE THAT SHOWN ON THE RATING PLATE. Use the following table or formula to determine input rate.
Heating Value of Gas (BTU/Cu. Ft.) x 3600
Cu. Ft. Per Hr. Required =
Time in Seconds
(for 1 Cu. Ft.) of Gas
Start the furnace and measure the time required to burn one cubic foot of gas. Prior to checking the furnace input, make certain that all other gas units are shut off, with the exception of pilot burners. Time the meter with only the furnace in oper­ation.
IM 860
Table 2: LP Gas Pipe Capacity Table (Cu. Ft./Hr.)
Maximum capacity of pipe in thousands of BTU per hour of undiluted liquefied petroleum gases (at 11 inches water column inlet pressure).
(Based on a Pressure Drop of 0.5 Inch Water Column)
Nominal Iron Pipe Size, Inches
10 20 30 40 50 60 70 80 90 100 125 150
275 189 152 129 114 103 96 89 83 78 69 63
567 393 315 267 237 217 196 182 173 162 146 132 1,071 732 590 504 448 409 378 346 322 307 275 252 2,205 1,496 1,212 1,039 913 834 771 724 677 630 567 511 3,307 2,299 1,858 1,559 1,417 1,275 1,181 1,086 1,023 976 866 787 6,221 4,331 3,465 2,992 2,646 2,394 2,205 2,047 1,921 1,811 1,606 1,496
1/2 3/4
1 1-1/4 1-1/2
2
Length of Pipe, Feet
Example (LP): Input BTU requirement of unit, 150,000
Equivalent length of pipe, 60 ft. = 3/4IPS required.
Figure 13
Figure 14
MANIFOLD PIPE
Page 12
12
IMPORTANT NOTE FOR ALTITUDES ABOVE 2,000 FEET (610 METERS): The main burner orifices in your fur-
nace and in these kits are sized for the nameplate input and intended for installations at elevations up to 2,000 feet in the USA or Canada, or for elevations of 2,000 - 4,500 feet (610 ­1,373 meters) in Canada if the unit has been derated at the fac­tory. For elevations above 2,000 feet (610 meters) IN THE USA ONLY (see ANSI-Z223.1), the burner orifices must be sized to reduce the input 4% for each 1,000 feet (305 meters) above sea level.
NOTICE: DERATING OF THE HEATING INPUT FOR HIGH
ALTITUDE IN THE FIELD IS UNLAWFUL IN CANADA (REFER TO CAN/CGA 2.17). UNITS INSTALLED IN ALTITUDES GREATER THAN 2,000 FEET (610 METERS) MUST BE SHIPPED FROM THE FACTORY OR FROM A FACTORY AUTHORIZED CONVERSION STATION WITH THE HEATING INPUT DERATED BY 10% SO AS TO OPERATE PROPERLY IN ALTITUDES FROM 2,000 - 4,500 FEET (610 - 1,373 METERS).
Condensate Drain
The condensate drain connection of the evaporator is threaded 3/4ⴖ nominal P.V.C. pipe. IMPORTANT: Install a condensate
trap to ensure proper condensate drainage. See Figure 15.
Wiring
Power Supply
1 All wiring should be made in accordance with the
National Electrical Code. Consult the local power com­pany to determine the availability of sufficient power to operate the unit. Check the voltage at power supply to make sure it corresponds to the unit’s RATED VOLT­AGE REQUIREMENT. Install a branch circuit discon­nect near the rooftop, in accordance with the N.E.C., C.E.C. or local codes. A bracket is provided with the unit for mounting of the disconnect. See Figure 16.
2 It is important that proper electrical power is available at
the unit. Voltage should not vary more than 10% from that stamped on the unit nameplate. On three phase units, phases must be balanced within 3%.
3 For branch circuit wiring (main power supply to unit dis-
connect), the minimum wire size for the length of run can be determined from Table 3 using the circuit ampacity found on the unit rating plate. Use the smallest wire size allowable in Table 4 from the unit disconnect to unit.
NOTE: A bracket is provided with the unit for mounting the branch circuit disconnect to the unit. This is the recom­mended location for the disconnect. See Figure 16.
4 For through the base wiring entry reference Figure 17.
All fittings and conduit are field supplied for this applica­tion. Reference the chart with Figure 17 for proper hole and conduit size.
IM 860
Table 3
ONE 1 21 1 30134139 3 45
40,000
TEN 133015 015 361630 37 30
ONE 0541 01 3 16230
60,000
TEN 9 0 10 0 10 24 11 0 25 0
ONE 041045047050153
80,000
TEN 6 45 7 30748815 18 45
ONE 0 33 0 36038 040 130
100,000
TEN 5246 061563615 0
METER TIME IN MINUTES AND SECONDS FOR NORMAL INPUT RATING OF FURNACES EQUIPPED FOR NATURAL
OR LP GAS
INPUT
BTU/HR
METER
SIZE
CU. FT.
HEATING VALUE OF GAS BTU PER CU. FT.
900 1000 1040 1100 2500
MIN. SEC. MIN. SEC. MIN. SEC. MIN. SEC. MIN. SEC.
Figure 15: Condensate Drain
DO NOT OVERTIGHTEN DRAIN FITTING
Power supply to unit must be disconnected before making field connections. To avoid electrical shock, personal injury or death, be sure to rigorously adhere to field wiring proce­dures regarding proper lockout and tagout of components.
Figure 16: Recommended Branch Circuit Disconnect Location
TO POWER
TO THERMOSTAT
BRANCH CIRCUIT DISCONNECT
I317A
DANGER
!
Page 13
NOTES:
1 Wire size based on 60°C rated wire insulation and 30°C
Ambient Temp. (86°F).
2 For more than 3 conductors in a raceway or cable, see the
N.E.C. for derating the ampacity of each conductor.
When installed, the unit must be electrically grounded in accordance with local codes or, in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70, if an external electrical source is utilized.
IMPORTANT: THIS UNIT IS APPROVED FOR USE WITH COPPER CONDUCTORS ONLY
CONNECTED TO UNIT CON-
TACTOR.
WARRANTY MAY BE JEOPARDIZED IF ALUMINUM WIRE IS CONNECTED TO UNIT CONTACTOR.
Special instructions apply for power wiring with aluminum conductors: Warranty is void if connections are not made per instructions.
Attach a length (6” or more) of recommended size copper wire to the unit contactor terminals L1 and L3 for single phase, L1, L2 and L3 for three phase.
Select the equivalent aluminum wire size from the tabulation below:
Splice copper wire pigtails to aluminum wire with U.L. recog­nized connectors for copper-aluminum splices. Please exercise the following instructions very carefully to obtain a positive and lasting connection:
1 Strip insulation from aluminum conductor.
2 Coat the stripped end of the aluminum wire with the rec-
ommended inhibitor, and wire brush the aluminum sur­face through inhibitor. INHIBITORS: Brundy-Pentex “A”; Alcoa-No. 2EJC; T & B-KPOR Shield.
3 Clean and recoat aluminum conductor with inhibitor.
4 Make the splice using the above listed wire nuts or split
bolt connectors.
5 Coat the entire connection with inhibitor and wrap with
electrical insulating tape.
Hook-Up
To wire unit, refer to the following hook-up diagram.
Refer to Figures 3 and 17 for location of wiring entrances.
Wiring to be done in the field between the unit and devices not attached to the unit, or between separate devices which are field installed and located, shall conform with the temperature limitation for Type T wire [63°F rise (35°C)] when installed in accordance with the manufacturer’s instructions.
13IM 860
200 6 4 4 4 3322
150 8 6644433
100 10 8866644
50 14 12 10 10 8866
15 20 25 30 35404550
BRANCH CIRCUIT AMPACITY
SUPPLY WIRE LENGTH-FEET
*Taken from National Electric Code
Table 4: Branch Circuit Copper Wire Size (Based on 1% Voltage Drop)*
Table 5
AWG Copper AWG Aluminum Connector Type and Size
Wire Size Wire Size (or equivalent)
#12 #10 T & B Wire Nut PT2 #10 # 8 T & B Wire Nut PT3 # 8 #6 Sherman Split Bolt TSP6 #6 #4 Sherman Split Bolt TSP4 #4 #2 Sherman Split Bolt TSP2
Figure 17
I658
Figure 18: Typical Thermostat Wiring
WIRE SIZE, AWG
14
1/2 7/8
12
1/2 7/8
10
1/2 7/8
8
3/4
1-31/32
6
1
1-23/64
4
1
1-23/64
3
1-1/4
1-23/32
2
1-1/4
1-23/32
1
1-1/2
1-31/32
0
1-1/2
1-31/32
00
2
2-15/32
000
2
2-15/32
CONDUIT SIZE
HOLE SIZE
NOTES: 1. DETERMINE REQUIRED WIRE SIZE FROM MINIMUM CIRCUIT AMPACITY SHOWN IN INSTALLATION & OPERATING INSTRUCTION.
2. BOTTOM POWER ENTRY WILL NOT ACCOMMODATE WIRE LARGER THAN #2 AWG (SHADED AREA).
Page 14
14
Internal Wiring
IMPORTANT: Some single phase units are equipped with a sin-
gle pole contactor. Caution must be exercised when servicing as only one leg of the power supply is broken with the contactor.
Some models are equipped with electronically commutated blower motors which are constantly energized, unless the main unit disconnect is in the off position.
A diagram of the internal wiring of this unit is located under the electrical box cover and this manual. If any of the original wire as supplied with the unit must be replaced, the wire gauge and insulation must be same as original wiring.
Transformer is factory wired for 230 volts on 208/230 volt models and must be changed for 208 volt applications. See unit wiring diagram for 208 volt wiring.
Thermostat
The room thermostat must be compatible with the spark igni­tion control on the unit. Generally, all thermostats that are not of the “current robbing” type are compatible with the integrat­ed furnace control. The low voltage wiring should be sized as shown in Table 6.
Install the room thermostat in accordance with the instruction sheet packed in the box with the thermostat.
Furnace Section Controls and Ignition System
Normal Furnace Operating Sequence
This unit is equipped with an integrated direct spark ignition control.
1 The thermostat calls for heat.
2 The control board will run a self check to verify that the
limit control and manual reset overtemperature control are closed and that the pressure switch is open.
3 Upon closure of the pressure switch, the control board
energizes the induced draft blower for a 15 second pre­purge.
4 After the 15 second prepurge, the gas valve opens and the
spark is initiated for 7 second trial for ignition.
5 Burners ignite and flame sensor proves all burners have
lit.
6 The circulating air blower is energized after 30 seconds.
7 The control board enters a normal operation loop in
which all safety controls are monitored continuously.
8 Thermostat is satisfied and opens.
9 The gas valve is de-energized and closes, shutting down
the burner flame.
10 The control board will de-energize the inducer after a five
second post purge.
11 The circulating air blower is de-energized after 90 sec-
onds.
The integrated control is a three ignition system.
After a total of three cycles without sensing main burner flame, the system goes into a 100% lockout mode. After one hour, the ignition control repeats the prepurge and ignition cycles for 3 tries and then go into 100% lockout mode again. It continues this sequence of cycles and lockout each hour until ignition is successful or power is interrupted. During the lock­out mode, neither the ignitor or gas valve will be energized until the system is reset by turning the thermostat to the “OFF” position or interrupting the electrical power to the unit for 3 seconds or longer. The induced draft blower and main burner will shut off when the thermostat is satisfied.
The circulating air blower will start and run on the heating speed if the thermostat fan switch is in the “ON” position.
The integrated furnace control is equipped with diagnostic LED. The LED is lit continuously when there is power to the control, with or without a call for heat. If the LED is not lit, there is either no power to the control or there is an internal component failure within the control, and the control should be replaced.
If the control detects the following failures, the LED will flash on for approximately 1/4 second, then off for 3/4 second for designated failure detections.
1 Flash: Failed to detect flame within the three tries for
ignition.
2 Flash: Pressure switch or induced draft blower problem
detected.
3 Flash: High limit or auxiliary limit open.
IM 860
Table 6
FIELD WIRE SIZE FOR 24 VOLT THERMOSTAT CIRCUITS
SOLID COPPER WIRE - AWG.
3.0 16 14 12 10 10 10
2.5 16 14 12 12 12 10
2.0 18 16 14 12 12 10
50 100 150 200 250 300
Length of Run – Feet (1)
Thermostat Load -
Amps
(1) The total wire length is the distance from the furnace to the thermo­stat and back to the furnace.
NOTE: DO NOT USE CONTROL WIRING SMALLER THAN NO. 18 AWG.
Page 15
15
4 Flash: Flame sensed and gas valve not energized or flame
sensed with no “W” signal.
5 Flash: Overtemperature switch open.
Operating Instructions
This unit is equipped with integrated furnace control. This device lights the main burners each time the room thermostat (closes) calls for heat. See operating instructions on the back of the furnace/controls access panel.
TO START THE FURNACE
1 STOP! Read the safety information on the Operating
Instructions label located on this unit.
2 Set the thermostat to its lowest setting.
3 Turn off all electric power to the unit.
4 This unit does not have a pilot. It is equipped with an
ignition device which automatically lights the burner. Do NOT try to light the burner by hand.
5 Remove control door/access panel.
6 Move switch to the “OFF” position.
7 Wait five (5) minutes to clear out any gas. Then smell for
gas, including near the floor. If you smell gas, STOP!
• Do not try to light any unit.
• Do not touch any electric switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
If you don’t smell gas, go to the next step.
8 Move “OFF” position to “ON” position.
9 Replace the control door.
10 Turn on all electric power to the unit.
11 Set the thermostat to the desired setting.
12 If the unit will not operate, follow the instructions below
on how to shut down the furnace.
The initial start-up on a new installation may require the con­trol system to be energized for some time until air has bled through the system and fuel gas is available at the burners.
TO SHUT DOWN FURNACE
1 Set the thermostat to the lowest setting.
2 Turn off all electric power to the unit if service is to be
performed.
3 Remove control door.
4 Move switch to the “OFF” position.
5 Replace control door.
Burners
Burners for these units have been designed so that field adjust­ment is not required. Burners are tray-mounted and accessible for easy cleaning when required.
Manual Reset Overtemperature Control
Two manual reset overtemperature controls (one on 80,000 BTUH) are located on the burner shield. These devices senses blockage in the heat exchanger or insufficient combustion air. This shuts off the main burners if excessive temperatures occur in the burner compartment.
Operation of this control indicates an abnormal condition. Therefore, the unit should be examined by a qualified installer, service agency, or the gas supplier before being placed back into operation.
Pressure Switch
This furnace has a pressure switch for sensing a blocked exhaust or a failed induced draft blower. It is normally open and closes when the induced draft blower starts, indicating air flow through the combustion chamber.
IM 860
Never test for gas leaks with an open flame. It can cause an explosion or fire resulting in property damage, personal injury or death. Use a commercially available soap solution made specifically for the detection of leaks to check all con­nections, as specified in the Gas Supply and Piping section of these instructions.
If you do not follow these instructions exactly, a fire or explo­sion may result causing property damage, personal injury or loss of life.
The spark ignitor and ignition lead from the ignition control are high voltage. Keep hands or tools away to prevent electri­cal shock. Shut off electrical power before servicing any of the controls. Failure to adhere to this warning can result in personal injury or death.
Should overheating occur or the gas supply fail to shut off, shut off the manual gas valve to the unit before shutting off the electrical supply. Failure to do so can result in an explo­sion or fire causing property damage, severe personal injury or death!
DO NOT JUMPER THIS DEVICE! DO NOT reset the over­temperature control without taking corrective action to assure that an adequate supply of combustion air is maintained under all conditions of operation. Failure to do so can result in carbon monoxide poisoning or death. Replace this control only with the identical replacement part.
DANGER
!
DANGER
!
DANGER
!
DANGER
!
DANGER
!
Page 16
16
Limit Control
The supply air high temperature limit cut-off is set at the factory and cannot be adjusted. It is calibrated to prevent the air tem­perature leaving the furnace from exceeding the maximum out­let air temperature.
IMPORTANT: Replace this control only with the identical replacement part.
System Operating Information
Advise The Customer
1 Change the air filters regularly. The heating system oper-
ates better, more efficiently and more economically.
2 Except for the mounting platform, keep all combustible
articles three feet from the unit and exhaust system.
3 IMPORTANT: Replace all blower doors and compartment
cover after servicing the unit. Do not operate the unit with­out all panels and doors securely in place.
4 Do not allow snow or other debris to accumulate in the
vicinity of the unit.
Furnace Section Maintenance
The unit’s furnace should operate for many years without exces­sive scale build-up in flue passageways; however, it is recom­mended that a qualified installer, service agency, or the gas sup­plier annually inspect the flue passageways, the exhaust system and the burners for continued safe operation, paying particular attention to deterioration from corrosion or other sources.
If during inspection the flue passageways and exhaust system are determined to require cleaning, the following procedures should be followed (by a qualified installer, service agency,
or gas supplier):
1 Turn off the electrical power to the unit and set the
thermostat to the lowest temperature.
2 Shut off the gas supply to the unit either at the meter
or at manual valve in the supply piping.
3 Remove the furnace controls access panel and the control
box cover.
4 Disconnect the gas supply piping from the gas valve.
5 Disconnect the wiring to the induced draft blower motor,
gas valve, flame sensor, and flame roll-out control, and ignitor cable. Mark all wires disconnected for proper
reconnection.
6 Remove the screws (4) connecting the burner tray to the
heat exchanger mounting panel.
7 Remove the burner tray and the manifold assembly from
the unit.
8 Remove the screws (5) connecting the induced draft blow-
er to the collector box and screws (18) connecting the col­lector box to the heat exchanger center panel. Remove the induced draft blower and the collector box from the unit.
9 Remove the screws (3) connecting the divider plate to the
heat exchanger center panel.
10 Remove the turbulators from inside the heat exchangers
by inserting the blade of a screwdriver under the locking tabs. Pop the tabs out of the expanded grooves of the heat exchanger. Slide the turbulators out of the heat exchang­ers.
11 Direct a water hose into the outlet of the heat exchanger
top. Flush the inside of each heat exchanger tube with water. Blow out each tube with air to remove excessive moisture.
12 Reassemble (steps 1 through 10 in reverse order). Be
careful not to strip out the screw holes used to mount the collector box and inducer blower. Replace inducer blower gasket and collector box gasket with factory replacements if damaged.
The manufacturer recommends that a qualified installer, ser­vice agency or the gas supplier visually inspect the burner flames for the desired flame appearance at the beginning of the heating season and approximately midway in heating sea­son.
The manufacturer also recommends that a qualified installer, service agency or the gas supplier clean the flame sensor with steel wool at the beginning of the heating season.
IM 860
Never test for gas leaks with an open flame. It can cause an explosion or fire resulting in property damage, personal injury or death. Use a commercially available soap solution made specifically for the detection of leaks to check all con­nections, as specified in the Gas Supply and Piping section of these instructions.
Holes in the exhaust transition or heat exchanger can cause toxic fumes to enter the building. The exhaust transition or heat exchanger must be replaced if they have holes or cracks in them. Failure to do so can cause carbon monoxide poison­ing resulting in personal injury or death.
Power supply to unit must be disconnected before making field connections. To avoid electrical shock, personal injury or death, be sure to rigorously adhere to field wiring proce­dures regarding proper lockout and tagout of components.
Power supply to unit must be disconnected before making field connections. To avoid electrical shock, personal injury or death, be sure to rigorously adhere to field wiring proce­dures regarding proper lockout and tagout of components.
DANGER
!
DANGER
!
DANGER
!
DANGER
!
Page 17
17
Lubrication
The blower motor and induced draft blower motor are prelubri­cated by the manufacturer and do not require further attention.
A qualified installer, service agency or the gas supplier must periodically clean the motors to prevent the possibility of overheating due to an accumulation of dust and dirt on the windings or on the motor exterior. And, as suggested else­where in these instructions, the air filters should be kept clean because dirty filters can restrict air flow and the motor depends upon sufficient air flowing across and through it to prevent overheating.
Cooling Section Maintenance
It is recommended that at the beginning of each cooling sea­son a qualified installer or service agency inspect and clean the cooling section of this unit. The following areas should be addressed: evaporator coil. condenser coil, condenser fan motor and venturi area.
To inspect the evaporator coil:
1 Remove the filter access panel and the blower/evaporator
coil access panel. Remove the filters.
2 Shine a flashlight on the evaporator coil (both sides) and
inspect for accumulation of lint, insulation, etc.
3 If coil requires cleaning, follow the steps shown below.
Cleaning Evaporator Coil
1 The coil should be cleaned when it is dry. If the coil is
coated with dirt or lint, vacuum it with a soft brush attachment. Be careful not to bend the coil fins.
2 If the coil is coated with oil or grease, clean it with a mild
detergent-and-water solution. Rinse the coil thoroughly with water. IMPORTANT: Do not use excessive water
pressure. Excessive water pressure can bend the fins and tubing of the coil and lead to inadequate unit performance. Be careful not to splash water excessively into unit.
3 Inspect the drain pan and condensate drain at the same
time the evaporator coil is checked. Clean the drain pan by flushing with water and removing any matters of obstructions which may be present.
4 Go to next section for cleaning the condenser coil.
Cleaning Condenser Coil, Condenser Fan, Circulation Air Blower and Venturi
1 Remove the compressor access panel. Disconnect the
wires to the condenser fan motor in the control box (see wiring diagram). Remove the wires from the opening in the bottom of the control box.
2 Remove the screws securing the condenser top panel and
remove the panel with condenser fan motor and grille attached.
3 The coil should be cleaned when it is dry. If the coil is
coated with dirt or lint, vacuum it with a soft brush attachment. Be careful not to bend the coil fins.
4 If the coil is coated with oil or grease, clean it with a mild
detergent-and-water solution. Rinse the coil thoroughly with water.
IMPORTANT: Do not use excessive water pressure. Excessive water pressure can bend the fins and tubing of the coil and lead to inadequate unit performance. Be careful not to splash water excessively into unit.
5 The venturi should also be inspected for items of obstruc-
tion such as collections of grass, dirt or spider webs. Remove any that are present.
6 Inspect the circulating air blower wheel and motor for
accumulation of lint, dirt or other obstruction and clean it as necessary. Inspect the blower motor mounts and the blower housing for loose mounts or other damage. Repair or replace if necessary.
Re-assembly
1 Place the condenser top panel back on the unit and
replace all screws.
2 Run the fan motor wires through the hole in the bottom of
the control box. Reconnect fan motor wires per the wiring diagram attached to the back of the cover.
3 Replace the filter and blower/evaporator coil access pan-
els.
4 Replace the control box cover and controls access panel.
5 Restore electrical power to the unit and check for proper
operation, especially the condenser fan motor.
Replacement Parts
To find your local McQuay Certified Parts Distributor, go to www.mcquay.com and select Parts Locator.
Troubleshooting
Refer to Troubleshooting Chart included in this manual.
Wiring Diagrams
Refer to the appropriate wiring diagram included in this manu­al.
Charging
Refer to the appropriate charge chart included in this manual.
IM 860
Power supply to unit must be disconnected before making field connections. To avoid electrical shock, personal injury or death, be sure to rigorously adhere to field wiring proce­dures regarding proper lockout and tagout of components.
Label all wires prior to disconnection when servicing the unit. Wiring errors can cause improper and dangerous oper­ation resulting in fire, electrical shock, property damage, severe personal injury or death.
DANGER
!
DANGER
!
Page 18
18
Blower Motor Speed Taps
After determining necessary CFM and speed tap data from the Airflow Performance Data, follow the steps below to change speeds.
1 Remove the blower access panel.
2 Reference Figure 19 for location of the speed tap block
on the blower.
3 Remove the furnace control access panel.
4 Remove the control box cover. See Figure 20 for location
of the integrated furnace control board.
5 Reference Figure 21 for the proper location of the red and
black wires on the speed tap block and on the furnace integrated control board to obtain the speed tap you have chosen.
6 After adjusting the wires accordingly, attach the control
box cover, furnace control access panel and the blower access panel to the unit.
IM 860
Figure 19
Figure 20
INTEGRATED FURNACE CONTROL
SPEED TAP BLOCK
FIGURE 21
Page 19
19IM 860
Figure 21 (Continued)
Page 20
20
General Data
Nominal Sizes 3-5 Tons [10.6-17.6 kW] ASHRAE 90.1-2004 Compliant Models
IM 860
Model MPS- 003AGCK08E 003AGCK12E 003AGDK08E 003AGDK12E Cooling Performance
1
Gross Cooling Capacity Btu [kW] 37,400 [10.96] 37,400 [10.96] 37,400 [10.96] 37,400 [10.96] EER/SEER
2
11.7/13 11.7/13 11.7/13 11.7/13 Nominal CFM/ARI Rated CFM [L/s] 1200/1200 [566/566] 1200/1200 [566/566] 1200/1200 [566/566] 1200/1200 [566/566] ARI Net Cooling Capacity Btu [kW] 36,000 [10.55] 36,000 [10.55] 36,000 [10.55] 36,000 [10.55] Net Sensible Capacity Btu [kW] 26,400 [7.74] 26,400 [7.74] 26,400 [7.74] 26,400 [7.74]
Heating Performance (Package Gas/Electric)
4
Heating Input Btu [kW] 80,000 [23.44] 120,000 [35.16] 80,000 [23.44] 120,000 [35.16] Heating Output Btu [kW] 64,800 [18.99] 97,200 [28.48] 64,800 [18.99] 97,200 [28.48] Temperature Rise Range ˚F [˚C] 30-60 [16.7/33.3] 50-80 [27.8/44.4] 30-60 [16.7/33.3] 50-80 [27.8/44.4]
Net Weight lbs. [kg] 543 [246] 543 [246] 543 [246] 543 [246]
Steady State Efficiency (%) 81 81 81 81
AFUE % 80 80 80 80
No. Burners 4 6 4 6 No. Stages 1 1 1 1 Gas Connection Pipe Size in. [mm] 0.5 [12.7] 0.5 [12.7] 0.5 [12.7] 0.5 [12.7]
Compressor
Qty./Type 1/Scroll 1/Scroll 1/Scroll 1/Scroll
Outdoor Sound Rating (dB)
5
78 78 78 78
Outdoor Coil—Fin Type Louvered Louvered Louvered Louvered
Tube Type Rifled Rifled Rifled Rifled Tube Size in. [mm] OD 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] Face Area sq. ft. [sq. m] 16.91 [1.57] 16.91 [1.57] 16.91 [1.57] 16.91 [1.57] Rows / FPI [FPcm] 1 / 22 [9] 1 / 22 [9] 1 / 22 [9] 1 / 22 [9]
Net Latent Capacity Btu [kW] 9,600 [2.81] 9,600 [2.81] 9,600 [2.81] 9,600 [2.81]
Indoor Coil—Fin Type Corrugated Corrugated Corrugated Corrugated
Tube Type Rifled Rifled Rifled Rifled Tube Size in. [mm] 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] Face Area sq. ft. [sq. m] 5.17 [0.48] 5.17 [0.48] 5.17 [0.48] 5.17 [0.48] Rows / FPI [FPcm] 2 / 17 [7] 2 / 17 [7] 2 / 17 [7] 2 / 17 [7] Refrigerant Control TX Valves TX Valves TX Valves TX Valves Drain Connection No./Size in. [mm] 1/0.75 [19.05] 1/0.75 [19.05] 1/0.75 [19.05] 1/0.75 [19.05]
Outdoor Fan—Type Propeller Propeller Propeller Propeller
No. Used/Diameter in. [mm] 1/24 [609.6] 1/24 [609.6] 1/24 [609.6] 1/24 [609.6] Drive Type/No. Speeds Direct/1 Direct/1 Direct/1 Direct/1 CFM [L/s] 3680 [1737] 3680 [1737] 3680 [1737] 3680 [1737] No. Motors/HP 1 at 1/3 HP 1 at 1/3 HP 1 at 1/3 HP 1 at 1/3 HP Motor RPM 1075 1075 1075 1075
Indoor Fan—Type FC Centrifugal FC Centrifugal FC Centrifugal FC Centrifugal
No. Used/Diameter in. [mm] 1/10x10 [254x254] 1/10x10 [254x254] 1/10x10 [254x254] 1/10x10 [254x254] Drive Type/No. Speeds Direct/3 Direct/3 Direct/3 Direct/3 No. Motors 1 1 1 1 Motor HP 1/2 1/2 1/2 1/2 Motor RPM 1075 1075 1075 1075 Motor Frame Size 48 48 48 48
Filter—Type Disposable Disposable Disposable Disposable
Furnished Yes Yes Yes Yes (No.) Size Recommended in. [mm] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635]
(1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635]
Weights
Ship Weight lbs. [kg] 550 [249] 550 [249] 550 [249] 550 [249]
Net System Power kW 3.08 3.08 3.08 3.08
Refrigerant Charge Oz. (Sys. 1/Sys. 2) [g] 93 [2637] 93 [2637] 93 [2637] 93 [2637]
CONTINUED
[] Designates Metric Conversions
NOTES:
1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does not include the effect of fan motor heat. ARI capacity is net and includes the effect of fan motor heat. Units are suitable for operation to
20% of nominal cfm. Units are certified in accordance with the Unitary Air Conditioner Equipment
certification program, which is based on ARI Standard 210/240 or 360.
2. EER and/or SEER are rated at ARI conditions and in accordance with DOE test procedures.
3. Integrated Part Load Value is rated in accordance with ARI Standard 210/240 or 360. Units are rated at 80° F ambient, 80° F entering dry bulb, and 67° F entering wet bulb at ARI r
ated cfm.
4. Heating Performance limit settings and rating data were established and approved under laboratory test conditions
using American National Standard Institute standards. Ratings shown are for elevations up to 2000 feet. For elevations above 2000 feet, ratings should be reduced at the rate of 4% for each 1000 feet
above sea level.
5. Outdoor Sound Rating shown is tested in accordance with ARI Standard 270.
Page 21
21
General Data
Nominal Sizes 3-5 Tons [10.6-17.6 kW] ASHRAE 90.1-2004 Compliant Models
IM 860
Model MPS- 004AGCK10E 004AGCK13E 004AGDK10E 004AGDK13E Cooling Performance
1
Gross Cooling Capacity Btu [kW] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] EER/SEER
2
11.4/13.1 11.4/13.1 11.4/13.1 11.4/13.1 Nominal CFM/ARI Rated CFM [L/s] 1600/1550 [755/731] 1600/1550 [755/731] 1600/1550 [755/731] 1600/1550 [755/731] ARI Net Cooling Capacity Btu [kW] 47,000 [13.77] 47,000 [13.77] 47,000 [13.77] 47,000 [13.77] Net Sensible Capacity Btu [kW] 33,600 [9.84] 33,600 [9.84] 33,600 [9.84] 33,600 [9.84]
Heating Performance (Package Gas/Electric)
4
Heating Input Btu [kW] 100,000 [29.3] 135,000 [39.56] 100,000 [29.3] 135,000 [39.56] Heating Output Btu [kW] 81,000 [23.73] 109,400 [32.05] 81,000 [23.73] 109,400 [32.05] Temperature Rise Range ˚F [˚C] 40-70 [22.2/38.9] 50-80 [27.8/44.4] 30-60 [16.7/33.3] 50-80 [27.8/44.4]
Net Weight lbs. [kg] 580 [263] 585 [265] 580 [263] 585 [265]
Steady State Efficiency (%) 81 81 81 81
AFUE % 80 80 80 80
No. Burners 5 6 5 6 No. Stages 1 1 1 1 Gas Connection Pipe Size in. [mm] 0.5 [12.7] 0.5 [12.7] 0.5 [12.7] 0.5 [12.7]
Compressor
Qty./Type 1/Scroll 1/Scroll 1/Scroll 1/Scroll
Outdoor Sound Rating (dB)
5
78 78 78 78
Outdoor Coil—Fin Type Louvered Louvered Louvered Louvered
Tube Type Rifled Rifled Rifled Rifled Tube Size in. [mm] OD 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] Face Area sq. ft. [sq. m] 16.56 [1.54] 16.56 [1.54] 16.56 [1.54] 16.56 [1.54] Rows / FPI [FPcm] 2 / 22 [9] 2 / 22 [9] 2 / 22 [9] 2 / 22 [9]
Net Latent Capacity Btu [kW] 13,400 [3.93] 13,400 [3.93] 13,400 [3.93] 13,400 [3.93]
Indoor Coil—Fin Type Corrugated Corrugated Corrugated Corrugated
Tube Type Rifled Rifled Rifled Rifled Tube Size in. [mm] 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] Face Area sq. ft. [sq. m] 5.17 [0.48] 5.17 [0.48] 5.17 [0.48] 5.17 [0.48] Rows / FPI [FPcm] 3 / 15 [6] 3 / 15 [6] 3 / 15 [6] 3 / 15 [6] Refrigerant Control TX Valves TX Valves TX Valves TX Valves Drain Connection No./Size in. [mm] 1/0.75 [19.05] 1/0.75 [19.05] 1/0.75 [19.05] 1/0.75 [19.05]
Outdoor Fan—Type Propeller Propeller Propeller Propeller
No. Used/Diameter in. [mm] 1/24 [609.6] 1/24 [609.6] 1/24 [609.6] 1/24 [609.6] Drive Type/No. Speeds Direct/1 Direct/1 Direct/1 Direct/1 CFM [L/s] 3680 [1737] 3680 [1737] 3680 [1737] 3680 [1737] No. Motors/HP 1 at 1/3 HP 1 at 1/3 HP 1 at 1/3 HP 1 at 1/3 HP Motor RPM 1075 1075 1075 1075
Indoor Fan—Type FC Centrifugal FC Centrifugal FC Centrifugal FC Centrifugal
No. Used/Diameter in. [mm] 1/10x10 [254x254] 1/10x10 [254x254] 1/10x10 [254x254] 1/10x10 [254x254] Drive Type/No. Speeds Direct/3 Direct/3 Direct/3 Direct/3 No. Motors 1 1 1 1 Motor HP 1/2 1/2 1/2 1/2 Motor RPM 1075 1075 1075 1075 Motor Frame Size 48 48 48 48
Filter—Type Disposable Disposable Disposable Disposable
Furnished Yes Yes Yes Yes (No.) Size Recommended in. [mm] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635]
(1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635]
Weights
Ship Weight lbs. [kg] 587 [266] 592 [269] 587 [266] 592 [269]
Net System Power kW 4.15 4.15 4.15 4.15
Refrigerant Charge Oz. (Sys. 1/Sys. 2) [g] 167 [4734] 167 [4734] 167 [4734] 167 [4734]
CONTINUED
[] Designates Metric Conversions
NOTES:
1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does not include the effect of fan motor heat. ARI capacity is net and includes the effect of fan motor heat. Units are suitable for operation to
20% of nominal cfm. Units are certified in accordance with the Unitary Air Conditioner Equipment
certification program, which is based on ARI Standard 210/240 or 360.
2. EER and/or SEER are rated at ARI conditions and in accordance with DOE test procedures.
3. Integrated Part Load Value is rated in accordance with ARI Standard 210/240 or 360. Units are rated at 80° F ambient, 80° F entering dry bulb, and 67° F entering wet bulb at ARI r
ated cfm.
4. Heating Performance limit settings and rating data were established and approved under laboratory test conditions
using American National Standard Institute standards. Ratings shown are for elevations up to 2000 feet. For elevations above 2000 feet, ratings should be reduced at the rate of 4% for each 1000 feet
above sea level.
5. Outdoor Sound Rating shown is tested in accordance with ARI Standard 270.
Page 22
22 IM 860
General Data
Nominal Sizes 3-5 Tons [10.6-17.6 kW] ASHRAE 90.1-2004 Compliant Models
Model MPS- 005AGCM10E 005AGCM13E 005AGDM10E 005AGDM13E Cooling Performance
1
Gross Cooling Capacity Btu [kW] 60,000 [17.58] 60,000 [17.58] 60,000 [17.58] 60,000 [17.58] EER/SEER
2
11.6/13 11.6/13 11.6/13 11.6/13 Nominal CFM/ARI Rated CFM [L/s] 2000/1900 [897/897] 2000/1900 [897/897] 2000/1900 [897/897] 2000/1900 [897/897] ARI Net Cooling Capacity Btu [kW] 58,000 [16.99] 58,000 [16.99] 58,000 [16.99] 58,000 [16.99] Net Sensible Capacity Btu [kW] 42,000 [12.31] 42,000 [12.31] 42,000 [12.31] 42,000 [12.31]
Heating Performance (Package Gas/Electric)
4
Heating Input Btu [kW] 100,000 [29.3] 135,000 [39.56] 100,000 [29.3] 135,000 [39.56] Heating Output Btu [kW] 81,000 [23.73] 109,400 [32.05] 81,000 [23.73] 109,400 [32.05] Temperature Rise Range ˚F [˚C] 25-55 [13.9/30.6] 40-70 [22.2/38.9] 25-55 [13.9/30.6] 40-70 [22.2/38.9]
Net Weight lbs. [kg] 590 [268] 590 [268] 590 [268] 590 [268]
Steady State Efficiency (%) 81 81 81 81
AFUE % 80 80 80 80
No. Burners 5 6 5 6 No. Stages 1 1 1 1 Gas Connection Pipe Size in. [mm] 0.5 [12.7] 0.5 [12.7] 0.5 [12.7] 0.5 [12.7]
Compressor
Qty./Type 1/Scroll 1/Scroll 1/Scroll 1/Scroll
Outdoor Sound Rating (dB)
5
83 83 83 83
Outdoor Coil—Fin Type Louvered Louvered Louvered Louvered
Tube Type Rifled Rifled Rifled Rifled Tube Size in. [mm] OD 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] Face Area sq. ft. [sq. m] 16.56 [1.54] 16.56 [1.54] 16.56 [1.54] 16.56 [1.54] Rows / FPI [FPcm] 2 / 22 [9] 2 / 22 [9] 2 / 22 [9] 2 / 22 [9]
Net Latent Capacity Btu [kW] 16,000 [4.69] 16,000 [4.69] 16,000 [4.69] 16,000 [4.69]
Indoor Coil—Fin Type Corrugated Corrugated Corrugated Corrugated
Tube Type Rifled Rifled Rifled Rifled Tube Size in. [mm] 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] Face Area sq. ft. [sq. m] 5.17 [0.48] 5.17 [0.48] 5.17 [0.48] 5.17 [0.48] Rows / FPI [FPcm] 3 / 15 [6] 3 / 15 [6] 3 / 15 [6] 3 / 15 [6] Refrigerant Control TX Valves TX Valves TX Valves TX Valves Drain Connection No./Size in. [mm] 1/0.75 [19.05] 1/0.75 [19.05] 1/0.75 [19.05] 1/0.75 [19.05]
Outdoor Fan—Type Propeller Propeller Propeller Propeller
No. Used/Diameter in. [mm] 1/24 [609.6] 1/24 [609.6] 1/24 [609.6] 1/24 [609.6] Drive Type/No. Speeds Direct/1 Direct/1 Direct/1 Direct/1 CFM [L/s] 3930 [1855] 3930 [1855] 3930 [1855] 3930 [1855] No. Motors/HP 1 at 1/3 HP 1 at 1/3 HP 1 at 1/3 HP 1 at 1/3 HP Motor RPM 1075 1075 1075 1075
Indoor Fan—Type FC Centrifugal FC Centrifugal FC Centrifugal FC Centrifugal
No. Used/Diameter in. [mm] 1/10x10 [254x254] 1/10x10 [254x254] 1/10x10 [254x254] 1/10x10 [254x254] Drive Type/No. Speeds Belt/Variable Belt/Variable Belt/Variable Belt/Variable No. Motors 1 1 1 1 Motor HP 1 1 1 1 Motor RPM 1725 1725 1725 1725 Motor Frame Size 56 56 56 56
Filter—Type Disposable Disposable Disposable Disposable
Furnished Yes Yes Yes Yes (No.) Size Recommended in. [mm] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635]
(1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635] (1)1x16x25 [25x406x635]
Weights
Ship Weight lbs. [kg] 597 [271] 597 [271] 597 [271] 597 [271]
Net System Power kW 5 5 5 5
Refrigerant Charge Oz. (Sys. 1/Sys. 2) [g] 160 [4536] 160 [4536] 160 [4536] 160 [4536]
[] Designates Metric Conversions
NOTES:
1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does not include the effect of fan motor heat. ARI capacity is net and includes the effect of fan motor heat. Units are suitable for operation to
20% of nominal cfm. Units are certified in accordance with the Unitary Air Conditioner Equipment
certification program, which is based on ARI Standard 210/240 or 360.
2. EER and/or SEER are rated at ARI conditions and in accordance with DOE test procedures.
3. Integrated Part Load Value is rated in accordance with ARI Standard 210/240 or 360. Units are rated at 80° F ambient, 80° F entering dry bulb, and 67° F entering wet bulb at ARI r
ated cfm.
4. Heating Performance limit settings and rating data were established and approved under laboratory test conditions
using American National Standard Institute standards. Ratings shown are for elevations up to 2000 feet. For elevations above 2000 feet, ratings should be reduced at the rate of 4% for each 1000 feet
above sea level.
5. Outdoor Sound Rating shown is tested in accordance with ARI Standard 270.
Page 23
23
General Data
Nominal Sizes 3-5 Tons [10.6-17.6 kW] ASHRAE 90.1-2004 Compliant Models
IM 860
[] Designates Metric Conversions
Model MPS- 006AGCL10E 006AGCL13E 006AGCM10E 006AGCM13E Cooling Performance
1
Gross Cooling Capacity Btu [kW] 75,000 [22] 75,000 [22] 75,000 [22] 75,000 [22] EER/SEER
2
10.3/NA 10.3/NA 10.3/NA 10.3/NA Nominal CFM/ARI Rated CFM [L/s] 2400/2400 [1133/1133] 2400/2400 [1133/1133] 2400/2400 [1133/1133] 2400/2400 [1133/1133] ARI Net Cooling Capacity Btu [kW] 72,000 [21.1] 72,000 [21.1] 72,000 [21.1] 72,000 [21.1] Net Sensible Capacity Btu [kW] 53,000 [15.5] 53,000 [15.5] 53,000 [15.5] 53,000 [15.5]
Integrated Part Load Value
3
11.5 11.5 11.5 11.5
Heating Performance (Package Gas/Electric)
4
Heating Input Btu [kW] 100,000 [29.3] 135,000 [39.6] 100,000 [29.3] 135,000 [39.6] Heating Output Btu [kW] 81,000 [23.7] 109,400 [32.1] 81,000 [23.7] 109,400 [32.1] Temperature Rise Range ˚F [˚C] 20-50 [11.1/27.8] 30-60 [16.7/33.3] 20-50 [11.1/27.8] 30-60 [16.7/33.3]
Net Weight lbs. [kg] 608 [276] 608 [276] 615 [279] 615 [279]
Steady State Efficiency (%) 81 81 81 81
AFUE % 80 80 80 80
No. Burners 5 6 5 6 No. Stages 1 1 1 1 Gas Connection Pipe Size in. [mm] 0.5 [12.7] 0.5 [12.7] 0.5 [12.7] 0.5 [12.7]
Compressor
Qty./Type 1/Scroll 1/Scroll 1/Scroll 1/Scroll
Outdoor Sound Rating (dB)
5
83 83 83 83
Outdoor Coil—Fin Type Louvered Louvered Louvered Louvered
Tube Type Rifled Rifled Rifled Rifled Tube Size in. [mm] OD 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] Face Area sq. ft. [sq. m] 16.56 [1.54] 16.56 [1.54] 16.56 [1.54] 16.56 [1.54] Rows / FPI [FPcm] 2 / 22 [9] 2 / 22 [9] 2 / 22 [9] 2 / 22 [9]
Net Latent Capacity Btu [kW] 19,000 [5.6] 19,000 [5.6] 19,000 [5.6] 19,000 [5.6]
Indoor Coil—Fin Type Louvered Louvered Louvered Louvered
Tube Type Rifled Rifled Rifled Rifled Tube Size in. [mm] 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] 0.375 [9.5] Face Area sq. ft. [sq. m] 6.5 [0.6] 6.5 [0.6] 6.5 [0.6] 6.5 [0.6] Rows / FPI [FPcm] 4 / 12 [5] 4 / 12 [5] 4 / 12 [5] 4 / 12 [5] Refrigerant Control Capillary Tubes Capillary Tubes Capillary Tubes Capillary Tubes Drain Connection No./Size in. [mm] 1/1 [25.4] 1/1 [25.4] 1/1 [25.4] 1/1 [25.4]
Outdoor Fan—Type Propeller Propeller Propeller Propeller
No. Used/Diameter in. [mm] 1/24 [609.6] 1/24 [609.6] 1/24 [609.6] 1/24 [609.6] Drive Type/No. Speeds Direct/1 Direct/1 Direct/1 Direct/1 CFM [L/s] 4000 [1888] 4000 [1888] 4000 [1888] 4000 [1888] No. Motors/HP 1 at 1/3 HP 1 at 1/3 HP 1 at 1/3 HP 1 at 1/3 HP Motor RPM 1075 1075 1075 1075
Indoor Fan—Type FC Centrifugal FC Centrifugal FC Centrifugal FC Centrifugal
No. Used/Diameter in. [mm] 1/11x12 [279.4x304.8] 1/11x12 [279.4x304.8] 1/11x12 [279.4x304.8] 1/11x12 [279.4x304.8] Drive Type/No. Speeds Belt/Variable Belt/Variable Belt/Variable Belt/Variable No. Motors 1 1 1 1 Motor HP 1 1/2 1 1/2 1 1/2 1 1/2 Motor RPM 1725 1725 1725 1725 Motor Frame Size 56 56 56 56
Filter—Type Disposable Disposable Disposable Disposable
Furnished Yes Yes Yes Yes (No.) Size Recommended in. [mm] (4)2x16x16 [51x406x406] (4)2x16x16 [51x406x406] (4)2x16x16 [51x406x406] (4)2x16x16 [51x406x406]
Refrigerant Charge Oz. (Sys. 1/Sys. 2) [g] 88/88 [2495/2495] 88/88 [2495/2495] 88/88 [2495/2495] 88/88 [2495/2495] Weights
Ship Weight lbs. [kg] 615 [279] 615 [279] 608 [276] 608 [276]
Net System Power kW 7 7 7 7
CONTINUED
NOTES:
1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does not include the effect of fan motor heat. ARI capacity is net and includes the effect of fan motor heat. Units are suitable for operation to
20% of nominal cfm. Units are certified in accordance with the Unitary Air Conditioner Equipment
certification program, which is based on ARI Standard 210/240 or 360.
2. EER and/or SEER are rated at ARI conditions and in accordance with DOE test procedures.
3. Integrated Part Load Value is rated in accordance with ARI Standard 210/240 or 360. Units are rated at 80° F ambient, 80° F entering dry bulb, and 67° F entering wet bulb at ARI r
ated cfm.
4. Heating Performance limit settings and rating data were established and approved under laboratory test conditions
using American National Standard Institute standards. Ratings shown are for elevations up to 2000 feet. For elevations above 2000 feet, ratings should be reduced at the rate of 4% for each 1000 feet
above sea level.
5. Outdoor Sound Rating shown is tested in accordance with ARI Standard 270.
Page 24
24
Miscellaneous
IM 860
ELECTRICAL DATA
Minimum Circuit Ampacity 18/18
Unit Information
Unit Operating Voltage Range
187-253
Minimum Overcurrent Protection Device Size
20/20
Maximum Overcurrent Protection Device Size
25/25
Compressor Motor
No. 1
Volts 200/230
Phase 3
HP 3
RPM 3450 Amps (RLA) 9.6/9.6 Amps (LRA) 88/88
Condenser Motor
No. 1
Volts 208/230
Phase 1
HP 1/3
Amps (FLA) 1.5
Amps (LRA) 3
Evaporator Fan
No. 1
Volts 208/230
Phase 1
HP 1/2
Amps (FLA) 4
Amps (LRA) 6.7 6.7
4
1/2
1
208/230
1
3
1.5
1/3
1
208/230
1
88/88
9.6/9.6
3450
3
3
200/230
1
25/25
20/20
18/18
187-253
3.6
2
1/2
1
460
1
1.9
1
1/3
1
460
1
38
5.8
3450
3
3
460
1
15
15
11
414-506
3.6
2
1/2
1
460
1
1.9
1
1/3
1
460
1
38
5.8
3450
3
3
460
1
15
15
11
414-506
6.7
4
1/2
1
208/230
1
3
1.5
1/3
1
208/230
1
80.8/80.8
12.2/12.2
3450
4
3
200/230
1
30/30
25/25
21/21
187-253
6.7
4
1/2
1
208/230
1
3
1.5
1/3
1
208/230
1
80.8/80.8
12.2/12.2
3450
4
3
200/230
1
30/30
25/25
21/21
187-253
3.6
2
1/2
1
460
1
1.9
1
1/3
1
460
1
41
6.1
3450
4
3
460
1
15
15
11
414-506
3.6
2
1/2
1
460
1
1.9
1
1/3
1
460
1
41
6.1
3450
4
3
460
1
15
15
11
414-506
Model MPS-
003AGCK08E 003AGCK12E 003AGDK08E 003AGDK12E 004AGCK10E 004AGCK13E 004AGDK10E 004AGDK13E
1. Horsepower Per Compressor.
2. Amp Draw Per Motor. Multiply Value By Number of Motors to Determine Total Amps.
ELECTRICAL DATA
Minimum Circuit Ampacity
Minimum Overcurrent Protection Device Size
Maximum Overcurrent Protection Device Size
Compressor Motor
No.
Volts
Phase
HP
RPM Amps (RLA) Amps (LRA)
Unit Information
Unit Operating Voltage Range
Condenser Motor
No.
Volts
Phase
HP Amps (FLA) Amps (LRA)
Evaporator Fan
No.
Volts
Phase
HP Amps (FLA) Amps (LRA)
24
3.8
1
3
208/230
1
4.9
2.2
1/3
1
208/230
1
110/110
15.4/15.4
3450
5
3
200/230
1
40/40
30/30
26/26
187-253
24
3.8
1
3
208/230
1
4.9
2.2
1/3
1
208/230
1
110/110
15.4/15.4
3450
5
3
200/230
1
40/40
30/30
26/26
187-253
12
1.9
1
3
460
1
1.9
1
1/3
1
460
1
52
7.1
3450
5
3
460
1
15
15
12
414-506
12
1.9
1
3
460
1
1.9
1
1/3
1
460
1
52
7.1
3450
5
3
460
1
15
15
12
414-506
Model MPS-
005AGCM10E 005AGCM13E 005AGDM10E 005AGDM13E
1. Horsepower Per Compressor.
2. Amp Draw Per Motor. Multiply Value By Number of Motors to Determine Total Amps.
Page 25
25
0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80
CFM 1210 1193 1175 1155 1125 1075 1015 925
Watts 450 400 395 385 380 375 370 360
CFM 1515 1500 1475 1450 1405 1350 1275 1180
Watts 525 515 510 505 490 475 460 445
CFM 1680 1650 1625 15801530 1460 1390 1280
Watts 650 640 630 610 580 560 545 515
CFM 1210 1193 1175 1155 1125 1075 1015 925
Watts 450 400 395 385 380 375 370 360
CFM 1515 1500 1475 1450 1405 1350 1275 1180
Watts 525 515 510 505 490 475 460 445
CFM 1680 1650 1625 15801530 1460 1390 1280
Watts 650 640 630 610 580 560 545 515
DIRECT-DRIVE BLOWER 208 AIRFLOW PERFORMANCE
CFM Air Delivery/RPM/Watts-208 VOLTS
External Static Pressure-Inches W.C.
Unit Model
MPS003A/
MPS004A
MPS003A/
MPS004A
Cool
Low
Med
Heat
Low
Med
Motor Speed
From Factory
Heating
Input
BTU/hr
[kW]
80,000
[23.45]
120,000
[35.17]
Manufacturer
Recommended
Air-Flow Range
(Min / Max) CFM
1050 / 1350
Blower Size/
Motor HP #
of Speeds
10x10
1/2
3 Speed
Motor
Speed
Low
Med
High
Low
Med
80,000
[23.45]
120,000
[35.17]
1225 / 1575
10x10
1/2
3 Speed
Low
Med
High
Indoor Airflow Performance For 3-4 Ton Packaged Rooftop System
Direct Drive
IM 860
Page 26
26
0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80
CFM 1400 1375 1360 13351305 1255 1210 1100
Watts 470 460 455 450 440 435 425 410
CFM 1685 1620 1580 1550 1500 14301350 1230
Watts 635 600 580 570 550 535 505 475
CFM 1870 1830 1790 1730 1660 1580 1500 1375
Watts 780 760 740 700 660 635 600 555
CFM 1400 1375 1360 13351305 1255 1210 1100
Watts 470 460 455 450 440 435 425 410
CFM 1685 1620 1580 1550 1500 14301350 1230
Watts 635 600 580 570 550 535 505 475
CFM 1870 1830 1790 1730 1660 1580 1500 1375
Watts 780 760 740 700 660 635 600 555
DIRECT-DRIVE 230 AIRFLOW PERFORMANCE
CFM Air Delivery/RPM/Watts-230 VOLTS
External Static Pressure-Inches W.C.
Unit Model
MPS003A/
MPS004A
MPS003A/
MPS004A
Cool
Low
Med
Heat
Low
Med
Motor Speed
From Factory
Heating
Input
BTU/hr
[kW]
80,000
[23.45]
120,000
[35.17]
Manufacturer
Recommended
Air-Flow Range
(Min / Max) CFM
1050 / 1350
Blower Size/
Motor HP #
of Speeds
10x10
1/2
3 Speed
Motor
Speed
Low
Med
High
Low
Med
80,000
[23.45]
120,000
[35.17]
1225 / 1575
10x10
1/2
3 Speed
Low
Med
High
Indoor Airflow Performance For 3-4 Ton Packaged Rooftop System
Direct Drive
IM 860
Page 27
27
0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80
CFM 1400 1375 1360 13351305 1255 1210 1100
Watts 470 460 455 450 440 435 425 410
CFM 1685 1620 1580 1550 1500 14301350 1230
Watts 635 600 580 570 550 535 505 475
CFM 1870 1830 1790 1730 1660 1580 1500 1375
Watts 780 760 740 700 660 635 600 555
CFM 1400 1375 1360 13351305 1255 1210 1100
Watts 470 460 455 450 440 435 425 410
CFM 1685 1620 1580 1550 1500 14301350 1230
Watts 635 600 580 570 550 535 505 475
CFM 1870 1830 1790 1730 1660 1580 1500 1375
Watts 780 760 740 700 660 635 600 555
CFM Air Delivery/RPM/Watts-460 VOLTS
External Static Pressure-Inches W.C.
DIRECT-DRIVE 460 AIRFLOW PERFORMANCE
Unit Model
MPS003A/
MPS004A
MPS003A/
MPS004A
Cool
Low
Med
Heat
Low
Motor Speed
From Factory
Heating
Input
BTU/hr
[kW]
80,000
[23.45]
120,000
[35.17]
Manufacturer
Recommended
Air-Flow Range
(Min / Max) CFM
1050 / 1350
Blower Size/
Motor HP #
of Speeds
10x10
1/2
3 Speed
Motor
Speed
Low
Med
High
Med
80,000
[23.45]
120,000
[35.17]
1225 / 1575
10x10
1/2
3 Speed
Low
Med
High
Indoor Airflow Performance For 3-4 Ton Packaged Rooftop System
Direct Drive
IM 860
Page 28
28
5 TON - 13 SEER MODELS
RPM WATTS
——
——
——
——
780 455
800 485
830 550
860 615
895 680
940 755
970 825
RPM WATTS
1065 570
1080 615
1105 680
1120 725
1140 785
1160 850
1180 910
1210 995
1240 1055
1265 1125
1300 1210
“M”
RPM WATTS
1340 745
1355 805
1365 880
1375 940
1390 1020
1405 1100
——
——
——
——
——
CAPACITY: 5 TON - 13 SEER
VOLTAGE: 208/230 - 460
EXTERNAL STATIC PRESSURE
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.10 1.20 1.30 1.40 1.50
1400
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
RPM WATTS
——
——
780 390
795 450
815 470
850 530
880 605
915 655
945 735
975 795
1015 880
“L”
RPM WATTS
815 385
840 415
870 470
895 530
915 560
945 640
970 700
1005 760
1030 830
1065 910
1100 1005
RPM WATTS
875 425
895 440
915 510
940 570
965 615
995 675
1015 730
1040 820
1060 880
1100 965
1145 1055
RPM WATTS
930 460
945 500
965 560
990 605
1010 660
1035 720
1055 790
1090 870
1120 940
1150 1050
1175 1085
RPM WATTS
970 490
995 540
1015 600
1035 640
1055 710
1070 775
1105 830
1130 910
1155 980
1180 1050
1225 1140
RPM WATTS
1030 540
1045 595
1060 640
1075 680
1100 760
1120 810
1145 875
1170 950
1195 1020
1225 1095
1260 1175
RPM WATTS
1105 595
1135 650
1145 705
1160 755
1175 810
1200 890
1225 950
1250 1020
1275 1100
1310 1175
1340 1255
RPM WATTS
1150 615
1165 675
1180730
1200 790
1225 850
1245 915
1260 980
1290 1060
1320 1140
1350 1230
1370 1315
RPM WATTS
1195 645
1215 700
1225 750
1245 815
1260 880
1290 960
1320 1035
1335 1100
1360 1180
1375 1260
1400 1375
RPM WATTS
1235 660
1255 735
1275 790
1300 855
1320 930
1335 1000
1350 1075
1370 1150
1385 1225
1405 1320
——
RPM WATTS
1300 705
1320 775
1340 840
1355 905
1365 985
1375 1050
1385 1120
1400 1200
——
——
——
AIR
FLOW
CFM
DRIVE PACKAGE “L” “M”
MOTOR H.P. 3/4 1
BLOWER SHEAVE 6.4PITCH DIAMETER 6.4PITCH DIAMETER
MOTOR SHEAVE 2.8- 3.8PITCH DIAMETER - ADJ. 3.4- 4.4PITCH DIAMETER - ADJ.
TURNS OPEN 0 1 2 3 4560123 456
RPM 1095 1040 995 940 890 835780 1405 1360 1305 1250 1195 1145 1095
STANDARD INDOOR AIRFLOW - CFM
COMPONENT 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800
RESISTANCE - INCHES WATER
WET COIL .035 .040 .060 .070 .085 .100 .110 .120 .125 .130
DOWNFLOW .055 .060 .066 .072 .080.086.093 .100 .107 .115
ECONOMIZER
R. A. DAMPER
.05 .06 .07 .08 .09 .10 .11 .12 .13 .15
COMPONENT AIR RESISTANCE
NOTES:
1. PERFORMANCE SHOWN WITH DRY COIL & STANDARD 1FILTERS
2. STANDARD CFM @ .075 LBS./CU. FT.
3. MOTOR EFFICIENCY = 80%
4. BHP = WATTS X MOTOR EFF.
746
5. ADD COMPONENT RESISTANCE TO DUCT STATIC TO DETERMINE TOTAL E.S.P.
RPM WATTS
780 370
795 405
805 425
840 490
870 540
895 590
930 655
955 705
995 780
1015 830
1040 925
Indoor Airflow Performance For 5 Ton Packaged Rooftop System
Belt Drive
NOTE: Bold lines separate L and M drives respectively.
NOTE: Factory sheave settings are shown in bold print.
IM 860
Page 29
29
Figure 22: Wiring Diagram For 3 & 4 Ton Packaged Rooftop Systems
IM 860
Page 30
30
Figure 23: Wiring Diagram For 5 Ton Packaged Rooftop Systems
IM 860
Page 31
31
Figure 24: Wiring Diagram For 5 Ton Packaged Rooftop Systems
IM 860
Page 32
32
Figure 25: Wiring Diagram For 3 & 4 Ton Packaged Rooftop Systems
IM 860
Page 33
33
Figure 26: System Charge Charts
3 TON COOLING - 13 SEER
IM 860
Page 34
34
Figure 27: System Charge Charts
4 TON COOLING - 13 SEER
IM 860
Page 35
35
Figure 28: System Charge Charts
5 TON COOLING - 13 SEER
IM 860
Page 36
36
Cooling Trouble Shooting Chart
SYMPTOM POSSIBLE CAUSE REMEDY
Unit will not run • Power off or loose electrical connection • Check for correct voltage at compressor contactor in control
box
• Thermostat out of calibration-set too high • Reset
• Failed contactor • Check for 24 volts at contactor coil - replace if contacts are open
• Blown fuses • Replace fuses
• Transformer defective • Check wiring-replace transformer
• High pressure control open (if provided) • Reset-also see high head pressure remedy-The high pressure control opens at 450 PSIG
• Interconnecting low voltage wiring damaged • Replace thermostat wiring
Condenser fan runs, compressor • Run or start capacitor failed (single phase only) • Replace
doesn’t Start relay defective 9single phase only) • Replace
• Loose connection • Check for correct voltage at compressor ­check & tighten all connections
• Compressor stuck, grounded or open motor winding • Wait at least 2 hours for overload to reset.
open internal overload. If still open, replace the compressor.
• Low voltage condition At compressor terminals, voltage must be within 10% of rating plate volts when unit is operating.
• Low voltage condition • Add start kit components
Insufficient cooling • Improperly sized unit • Recalculate load
• Improper airflow • Check - should be approximately 400 CFM per ton.
• Incorrect refrigerant charge • Charge per procedure attached to unit service panel.
• Air, non-condensibles or moisture in system • Recover refrigerant, evacuate & recharge, add filter drier
• Incorrect voltage • At compressor terminals, voltage must be within 10% of rating plate volts when unit is operating.
Compressor short cycles • Incorrect voltage • At compressor terminals, voltage must be ± 10% of
nameplate marking when unit is operating.
• Defective overload protector • Replace - check for correct voltage
• Refrigerant undercharge • Add refrigerant
Registers sweat • Low evaporator airflow • Increase speed of blower or reduce restriction - replace air
filter
High head-low vapor pressures • Restriction in liquid line, expansion device or filter drier • Remove or replace defective component
• Flow check piston size too small • Change to correct size piston
• Incorrect capillary tubes • Change coil assembly
• TXV does not open • Replace TXV
High head-high or normal vapor • Dirty condenser coil • Clean coil
pressure - Cooling mode • Refrigerant overcharge • Correct system charge
• Condenser fan not running • Repair or replace
• Air or non-condensibles in system • Recover refrigerant, evacuate & recharge
Low head-high vapor pressures • Defective Compressor valves • Replace compressor
• Incorrect capillary tubes • Replace coil assembly
Low vapor - cool compressor - • Low evaporator airflow • Increase speed of blower or reduce restriction - replace air
iced evaporator coil filter
• Operating below 65°F outdoors • Add Low Ambient Kit
• Moisture in system • Recover refrigerant - evacuate & recharge - add filter drier
High vapor pressure • Excessive load • Recheck load calculation
• Defective compressor • Replace
Fluctuating head & vapor • TXV hunting • Check TXV bulb clamp - check air distribution on coil - replace
pressures TXV
• Air or non-condensibles in system • Recover refrigerant, evacuate & recharge
Gurgle or pulsing noise at • Air or non-condensibles in system • Recover refrigerant, evacuate & recharge
expansion device or liquid line
Circulating air blower & inducer • Manual reset overtemperature control • Reset or replace
run continuously, • tripped
compressor will not start • Wire loose in limit circuit • Check wiring
IM 860
Disconnect all power to unit before servicing. Contactor may break only one side. Failure to shut off power can cause electrical shock resulting in personal injury or death.
DANGER
!
Page 37
37
Furnace Troubleshooting Guide
(Combination Heating and Cooling Units With Direct Spark Ignition)
SET THERMOSTAT TO
CALL FOR HEAT
SET FAN SWITCH TO AUTO
START
HAZARDOUS VOLTAGE
LINE VOLTAGE CON-
NECTIONS
DISCONNECT POWER BEFORE SERVICING. SERVICE MUST BE BY A TRAINED, QUALIFIED SERVICE TECHNICIAN.
FLOW CHART CONTINUED ON NEXT PAGE
NO
YES
YES
YES
YES
NO
NO
NO
INDUCED DRAFT BLOWER
MOTOR STARTS
15 SECOND PREPURGE
REPLACE INTEGRATED CONTROL BOARD (IFC)
REPLACE INDUCED
DRAFT BLOWER
NO
REPLACE NEGATIVE
PRESSURE SWITCH
REPLACE INTEGRATED CONTROL BOARD (IFC)
IF WIRING IS OK
CHECK FOR EXHAUST,
INTAKE OR HEAT
EXCHANGER BLOCKAGE
AND RESET CONTROL
NO
REPLACE IGNITION CON-
TROL
YES
REPLACE VALVE
• CHECK LINE VOLTAGE TO CONTROL BOARD
• CHECK LOW VOLTAGE TRANSFORMER
• CHECK WIRING
• CHECK FOR 208-230 VAC TO IOM MOTOR
• CHECK IGNITOR CABLE
• CHECK SPARK IGNITOR POSITION AND CONDITION
• IS NEGATIVE PRESSURE SWITCH CLOSED?
• CHECK FOR OPEN ROLL-OUT CONTROL
• CHECK FOR OPEN LIMIT
• CHECK IGNITION CONTROL CHASSIS GROUND WIRE
• CHECK WIRING
• CHECK INLET GAS PRESSURE
• CHECK 24 VOLTS TO GAS VALVE
• CHECK FOR GAS FLOW TO AND FROM VALVE
• CHECK BURNER CARRYOVER
NOTE: THE SYSTEM WILL ATTEMPT TO LIGHT 3 TIMES WITH A 60 SECOND INTER-
PURGE BETWEEN TRIES. IF AFTER THE THIRD TIME THE BURNERS DO NOT LIGHT, THE SYSTEM WILL LOCK OUT. IF THE UNIT IS EQUIPPED WITH A UNITED TECH. OR JOHNSON CONTROLS IGNITION CONTROL, THE SYSTEM WILL ATTEMPT TO LIGHT 3 TIMES EACH HOUR UNTIL THE BURNERS LIGHT OR THE THERMOSTAT IS RESET.
YES
YES
IGNITOR SPARKS
MAIN BURNER LIGHTS
NO
• CHECK NEGATIVE PRESSURE SWITCH SENSING TUBE
• CHECK FOR EXHAUST BLOCKAGE
YES
YES
YES
REPLACE IGNITOR/ CABLE ASSEMBLY
REPLACE LIMIT IF UNIT IS COLD
NO
IM 860
WARNING
!
Page 38
38 IM 860
NOTE: IF THE SYSTEM GOES INTO LOCKOUT, WAIT
30 SECONDS AND RESET THE SYSTEM.
• CHECK FLAME SENSOR POSITION AND CONDITION
• CLEAN FLAME SENSOR WITH STEEL WOOL
• CHECK FLAME SENSOR WIRES AND CONNECTIONS
• CHECK FOR 208-230 VAC ACROSS BLOWER MOTOR TERMINALS ON CONTROL BOARD
• CHECK CAPACITOR
YES
YES
NO
MAIN BURNER FLAME SUSTAINED
YES
NO
INDOOR BLOWER MOTOR STARTS
AFTER 30 SECONDS
REPLACE SENSOR
NO
REPLACE INTEGRATED
CONTROL BOARD (IFC)
NO
REPLACE INTEGRATED
CONTROL BOARD (IFC)
NO
REPLACE IGNITION CON-
TROL
YES
YES
REPLACE BLOWER
MOTOR
• CHECK FOR OPEN LIMIT
• CHECK FOR OPEN ROLL-OUT CONTROL
• CHECK FOR PROPER THERMOSTAT OPERATION
• REMOVE VALVE LEAD AT GAS VALVE IF VALVE CLOSES, RECHECK THE THERMOSTAT AND WIRING. IF OK, THEN REPLACE VALVE
• CHECK FOR OPEN LIMIT OR ROLL-OUT CONTROL
YES
NO
SYSTEM RUNS UNTIL
CALL FOR HEAT ENDS
• CHECK FOR EXHAUST OR INTAKE BLOCKAGE. CLEAR BLOCKAGE AND RESET CONTROL
• CHECK FOR DIRTY FILTERS
• CHECK FOR RESTRICTED AIRFLOW
TROUBLESHOOTING ENDS
REPEAT PROCEDURE UNTIL TROUBLE FREE
OPERATION IS OBTAINED.
YES
NO
TURN THERMOSTAT OFF
VALVE SHUTS OFF FLAME SHUTS OFF
YES
NO
INDUCED DRAFT MOTOR STOPS
AFTER 5 SECOND POSTPURGE
YES
YES
• CHECK FOR DIRTY FILTERS
• CHECK FOR RESTRICTED AIR-FLOW
CHECK FOR EXHAUST,
INTAKE OR HEAT EXCHANG-
ER BLOCKAGE
CLEAR BLOCKAGE AND
RESET CONTROL
YES
NO
INDOOR BLOWER MOTOR STOPS
AFTER 90 SECONDS
Page 39
IM 860
39
Page 40
40 IM 860
McQuay Training and Development
© 2007 McQuay International • www.mcquay.com • 800-432-1342
Now that you have made an investment in modern, efficient McQuay equipment, its care should be a high priority. For training information on all McQuay HVAC products, please visit us at www.mcquay.com and click on training, or call 540-248-9646 and ask for the Training Department.
Warranty
All McQuay equipment is sold pursuant to its standard terms and conditions of sale, including Limited Product Warranty. Consult your local McQuay Representative for warranty details. Refer to Form 933-43285Y. To find your local McQuay Representative, go to www.mcquay.com.
This document contains the most current product information as of this printing. For the most up-to-date product information, please go to www.mcquay.com.
Loading...