Friedrich PTAC - R410A User Manual

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Service Manual

2 0 11

PTAC - R410A Models

Packaged Terminal Air Conditioners

Packaged Terminal Heat Pumps

PD-ServMan-E(2-11)

CUSTOMER SATISFACTION and QUALITY ASSURANCE

Friedrich is a conscientious manufacturer, concerned about customer satisfaction, product quality, and controlling warranty costs. As an Authorized Service Provider you play a vital role in these areas. By adhering to the policies and procedures you provide us with vital information on each warranty repair you complete.

This information is used to identify product failure trends, initiate corrective action, and improve product quality, thereby further reducing warranty expenses while increasing customer satisfaction levels.

CHARGES TO CUSTOMER

The customer/end user is not to be charged for any warranty repairs to correct defects in materials or workmanship in accordance with the specifi c warranty provisions outlined in the product’s warranty certifi cate.

FRIEDRICH AUTHORIZED PARTS DEPOTS

AAA Refrigeration Service

The Gabbert Company

Reeve Air Conditioning, Inc.

1322 24th Street, Suite B

6868 Ardmore

2501 South Park Road

Kenner, Louisiana 70062

Houston, Texas 77054

Hallandale, Florida 33009

504-464-7444

713-747-4110

954-962-0252

877-813-7444

800-458-4110

800-962-3383

Alamo Service Company

Johnstone Supply of Woodside

1450 North Flores Street

27-01Brooklyn Queens Expway

San Antonio, Texas 78212

Woodside, New York 11377

210-227-2450

718-545-5464

800-328-2450

800-431-1143

TECHNICAL SUPPORT

CONTACT INFORMATION

FRIEDRICH AIR CONDITIONING CO.

10001 Reunion Place, Ste. 500, San Antonio, TX 78216 (210) 546-0500877-599-5665x 261 FAX (210)546-0630Email: tac@friedrich.com

www.friedrich.com

Printed in the U.S.A.

Table of Contents

Important Safety Information ...........................................

2-4

Introduction .........................................................................

4

General Product Features ..................................................

5

HVAC Engineering Specifi cations ......................................

6

Component identifi cation ....................................................

7

Accessories .....................................................................

8-9

Unit Identifi cation ..............................................................

10

Chassis Specifi cations ......................................................

11

Cooling and Heating Performance ..............................

12-13

Electric Heat Data ............................................................

14

Electrical Rating Tables ....................................................

15

Power Cord Information ..............................................

15-17

Remote Wall Thermostat / Low Voltage

 

Wire Connections ........................................................

18-19

Digital Control Features ....................................................

20

Digital Control Operation ..................................................

21

Digital Control User Input Confi guration ...........................

22

Digital Control Diagnostics ................................................

23

Malfunction Analysis ....................................................

24-26

Components Testing ....................................................

27-28

Refrigeration System Sequence of Operation ...................

29

Sealed Refrigeration System Repairs ...............................

30

Refrigerant Charging .........................................................

31

Method Of Charging ..........................................................

31

Undercharged Refrigerant Systems .............................

31-32

Overcharged Refrigerant Systems ....................................

32

Restricted Refrigerant Systems .........................................

32

Capillary Tube Systems/Check Valve ..........................

33

Reversing Valve — Description/Operation ...................

34

Testing Coil ...................................................................

34

Checking Reversing Valves .....................................

34-35

Reversing Valve

 

Touch Testing Heating/Cooling Cycle ..........................

35

Procedure For Changing Reversing Valve ..............

35-36

Compressor Checks .....................................................

36

Locked Rotor Voltage Test ............................................

36

Single Phase Connections ............................................

36

Determine Locked Rotor Voltage ..................................

36

Locked Rotor Amperage Test ........................................

36

Single Phase Running & Locked Rotor Amperage ........

36

Checking the Overload ..................................................

36

External Overload ..........................................................

37

Compressor Single Phase Resistance Test ...................

37

Compressor Replacement ........................................

38-39

Routine Maintenance .....................................................

39

Troubleshooting Charts .............................................

40-41

Wiring Diagrams for Wall Mounted Thermostats .......

42-43

Wiring Diagram .........................................................

42-44

RT6 Installation, Operation and Application Guide ...

45-46

Thermistors Resistance Values ................................

47-48

Warranty ..........................................................................

.....49

2011 PTAC Exploded View ..........................................

.....50

2011 PTAC Parts List - PDE Models ...........................

.....51

2011 PTAC Parts List - PDH Models ...........................

.....52

1

IMPORTANT SAFETY INFORMATION

The information contained in this manual is intended for use by a qualifi ed service technician who is familiar with the safety procedures required for installation and repair, and who is equipped with the proper tools and test instruments required to service this product.

Installation or repairs made by unqualifi ed persons can result in subjecting the unqualifi ed person making such repairs as well as the persons being served by the equipment to hazards resulting in injury or electrical shock which can be serious or even fatal.

Safety warnings have been placed throughout this manual to alert you to potential hazards that may be encountered. If you install or perform service on equipment, it is your responsibility to read and obey these warnings to guard against any bodily injury or property damage which may result to you or others.

Your safety and the safety of others are very important.

We have provided many important safety messages in this manual and on your appliance. Always read and obey all safety messages.

This is a safety Alert symbol.

This symbol alerts you to potential hazards that can kill or hurt you and others.

All safety messages will follow the safety alert symbol with the word “WARNING” or “CAUTION”. These words mean:

WARNING

CAUTION

You can be killed or seriously injured if you do not follow instructions.

You can receive minor or moderate injury if you do not follow instructions.

All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you what will happen if the instructions are not followed.

A message to alert you of potential property damage will have the NOTICE word “NOTICE”. Potential property damage can occur if instructions

are not followed.

2

PERSONAL INJURY OR DEATH HAZARDS

ELECTRICAL HAZARDS:

Unplug and/or disconnect all electrical power to the unit before performing inspections, maintenance, or service.

Make sure to follow proper lockout/tag out procedures.

Always work in the company of a qualifi ed assistant if possible.

Capacitors, even when disconnected from the electrical power source, retain an electrical charge potential capable of causing electric shock or electrocution.

Handle, discharge, and test capacitors according to safe, established, standards, and approved procedures.

Extreme care, proper judgment, and safety procedures must be exercised if it becomes necessary to test or troubleshoot equipment with the power on to the unit.

Do not spray or pour water on the return air grille, discharge air grille, evaporator coil, control panel, and sleeve on the room side of the air conditioning unit while cleaning.

Electrical component malfunction caused by water could result in electric shock or other electrically unsafe conditions when the power is restored and the unit is turned on, even after the exterior is dry.

Never operate the A/C unit with wet hands.

Use air conditioner on a single dedicated circuit within the specifi ed amperage rating.

Use on a properly grounded outlet only.

Do not remove ground prong of plug.

Do not cut or modify the power supply cord.

Do not use extension cords with the unit.

Follow all safety precautions and use proper and adequate protective safety aids such as: gloves, goggles, clothing, adequately insulated tools, and testing equipment etc.

Failure to follow proper safety procedures and/or these warnings can result in serious injury or death.

REFRIGERATION SYSTEM HAZARDS:

Use approved standard refrigerant recovering procedures and equipment to relieve pressure before opening system for repair.

Do not allow liquid refrigerant to contact skin. Direct contact with liquid refrigerant can result in minor to moderate injury.

Be extremely careful when using an oxy-acetylenetorch. Direct contact with the torch’s fl ame or hot surfaces can cause serious burns.

Make sure to protect personal and surrounding property with fi re proof materials.

Have a fi re extinguisher at hand while using a torch.

Provide adequate ventilation to vent off toxic fumes, and work with a qualifi ed assistant whenever possible.

Always use a pressure regulator when using dry nitrogen to test the sealed refrigeration system for leaks, fl ushing etc.

3

Make sure to follow all safety precautions and to use proper protective safety aids such as: gloves, safety glasses, clothing etc.

Failure to follow proper safety procedures and/or these warnings can result in serious injury or death.

MECHANICAL HAZARDS:

Extreme care, proper judgment and all safety procedures must be followed when testing, troubleshooting, handling, or working around unit with moving and/or rotating parts.

Be careful when, handling and working around exposed edges and corners of sleeve, chassis, and other unit components especially the sharp fi ns of the indoor and outdoor coils.

Use proper and adequate protective aids such as: gloves, clothing, safety glasses etc.

Failure to follow proper safety procedures and/or these warnings can result in serious injury or death.

PROPERTY DAMAGE HAZARDS

FIRE DAMAGE HAZARDS:

Read the Installation/Operation Manual for this air conditioning unit prior to operating.

Use air conditioner on a single dedicated circuit within the specifi ed amperage rating.

Connect to a properly grounded outlet only.

Do not remove ground prong of plug.

Do not cut or modify the power supply cord.

Do not use extension cords with the unit.

Failure to follow these instructions can result in fi re and minor to serious property damage.

WATER DAMAGE HAZARDS:

Improper installation maintenance, or servicing of the air conditioner unit, or not following the above Safety Warnings can result in water damage to personal items or property.

Insure that the unit has a suffi cient pitch to the outside to allow water to drain from the unit.

Do not drill holes in the bottom of the drain pan or the underside of the unit.

Failure to follow these instructions can result in result in damage to the unit and/or minor to serious property damage.

INTRODUCTION

This service manual is designed to be used in conjunction with the installation manuals provided with each unit.

This service manual was written to assist the professional HVAC service technician to quickly and accurately diagnose and repair any malfunctions of this product.

This manual, therefore, will deal with all subjects in a general nature. (i.e. All text will pertain to all models).

IMPORTANT: It will be necessary for you to accurately identify the unit you are servicing, so you can be certain of a proper diagnosis and repair. (See Unit Identifi cation.)

4

General Product Features

DIAMONBLUE

Diamonblue seacoast protection protects the outdoor coil from harsh environments. Comes standard

TECHNOLOGY

on all models.

 

 

DIGITAL DEFROST

The new Friedrich PTAC uses a digital thermostat to accurately monitor the outdoor coil conditions to al-

low the heat pump to run whenever conditions are correct. Running the PTAC in heat pump mode saves

THERMOSTAT

energy and reduces operating costs. The digital thermostat allows maximization of heat pump run time.

 

 

 

INSTANT HEAT

Heat pump models will automatically run the electric heater to quickly bring the room up to temperature

when initially energized, then return to heat pump mode. This ensures that the room is brought up to

HEAT PUMP MODE

temperature quickly without the usual delay associated with heat pump units.

 

 

 

EVEN HEAT MONITORING

of the setpoint. If necessary, the unit will cycle the electric heat to maintain the temperature. This feature

 

-

 

 

 

The owner may choose between fan cycling or fan continuous mode based on property preference. (Note:

 

Even heat monitoring and quiet start/stop fan delay only operate in fan cycle mode) Fan continuous mode is

SEPARATE HEAT/COOL

 

FAN CYCLE

energy by only operating the fan while the compressor or electric heater is operating. The ability to set the

CONTROL

fan cycling condition independently between heating and cooling mode will increase user comfort by

 

allowing the choice of only constantly circulating air in the summer or winter time. Unlike other PTAC

 

brands that only allow one selection.

 

 

EMERGENCY

In the event of a compressor failure in heat pump mode, the compressor may be locked out to provide

heat through the resistance heater. This feature ensures that even in the unlikely event of a compressor

HEAT OVERRIDE

failure, the room temperature can be maintained until the compressor can be serviced.

 

 

 

DESK CONTROL

All Friedrich digital PTACs have low voltage terminals ready to connect a desk control energy manage-

ment system. Controlling the unit from a remote location like the front desk can reduce energy usage and

READY

requires no additional accessories on the PTAC unit.

 

 

 

INDOOR COIL

temperatures cause the indoor coil to freeze. When the indoor coil reaches 30°F, the compressor is

FROST SENSOR

disabled and the fan continues to operate based on demand. Once the coil temperature returns to 45°F,

 

the compressor returns to operation.

 

 

ULTRA QUIET

The new Friedrich PD series units feature an indoor fan system design that reduces sound levels without

AIR SYSTEM

 

 

 

HIGH EFFICIENCY

The Friedrich PTAC has been engineered so that all functional systems are optimized so that they work

together to deliver the highest possible performance.

 

 

 

DUAL MOTOR

With Friedrich’s new dual-motordesign the indoor motor can run at slower speeds which reduces sound

levels indoors.

 

 

 

ROTARYCOMPRESSOR

-

ciency.

 

 

 

STAINLESS STEEL

Outdoor coil endplates made from stainless steel reduce corrosion on the outdoor coil common with other

ENDPLATES

coil designs.

 

 

TOP -MOUNTED

 

ANTIMICROBIAL

 

AIR FILTERS

front cover.

 

 

 

FILTERED FRESH

Friedrich PTAC units are capable of introducing up to 75 CFM of outside air into the conditioned space.

AIR INTAKE

The outdoor air passes through a washable mesh screen to prevent debris from entering the airstream.

 

 

R-410AREFRIGERANT

Friedrich PTAC units use environmentally-friendlyrefrigerant.

 

 

5

Digital Packaged Terminal Air Conditioners & Heat Pumps

Cooling: 7600 – 15,000 Btuh

Heating: 7600 – 14500 Btuh (Heat Pump) 6824 – 17060 Btuh (Electric Heat)

Friedrich Models: PDE – Cooling with or without electric heat PDH – Heat Pump with electric heat

All units shall be factory assembled, piped, wired and fully charged with

310 for air conditioners and ARI standard 380 for heat pumps. Units shall be UL listed and carry a UL label. All units shall be factory runtested to check operation and be Friedrich or equivalent.

The basic unit shall not exceed 16” high x 42” wide. Overall depth of the unit from the rear of the Friedrich wall sleeve to the front of the decorative front cover shall not exceed 21 ¼”. The unit shall be designed so that room intrusion may be as little as 7 ½”. Installations in walls deeper than 13 ¼” may be accomplished with the use of a deep wall sleeve (PDXWSEXT). Unit shall draw in ambient air through both sides of an outdoor architectural louver or grille measuring 42” wide x 16” high and shall exhaust air out middle portion of the louver. The architectural louver and wall sleeve shall be designed so that the louver may be installed from the inside of the building.

REFRIGERATION SYSTEM – The refrigeration system shall be hermetically sealed and consist of a rotary compressor that is externally mounted on vibration isolators no smaller than 1 3/8” dia. x 1 ½” high; condenser and evaporator coils constructed of copper tubes and

and have a drain pan capable of retaining 1 ½ gallons of condensate. A tertiary condensate removal system shall also be incorporated for

of the building as a safeguard against damage to the interior room.

INDOOR AIR HANDLING SECTION – The indoor air handling section shall consist of a tangential blower wheel direct driven by a totally enclosed motor. The air handling system shall be designed to minimize

fan must have three fan speeds that may be selected by the user.

throughout the room. The grille shall be reversible to allow a change

personal injury or damage to the unit.

and reusable by cleaning with water or by vacuuming.

The chassis shall have a built-indamper capable of providing at least

damper closed to ensure a proper seal.

OUTDOOR AIR HANDLING SECTION – The outdoor air section shall consist of a single injection molded fan shroud that incorporates the outdoor motor mount into a single piece for ease of service and assembly. The outdoor motor shall be totally enclosed,ball-bearing,permanently lubricated and directly drive the outdoor fan/slinger ring.

CONTROLS – Covered controls shall be accessible in a compartment at least 7½” wide with the controls no deeper than 1 ¼” in the opening to facilitate easy operation of the unit.

The unit controls shall feature a soft blue LED readout that can display either room temperature or setpoint temperature. The unit shall receive input from the digital control panel through push buttons labeled: ‘Cool’, ‘Heat’, ‘High Fan’, ‘Med Fan’, ‘Low Fan’, ’, ‘ ’ and ‘Power’. When ‘Off’, the unit may be put directly into cooling or heating mode by pressing the ‘Cool’ or ‘Heat’ button.

The unit must have the following energy saving and convenience features built-in:

Quiet start/stop fan delay

Fan cycle control for cooling and heating independently

Room freeze protection

Random compressor restart

Electronic temperature limiting

The PTAC must also offer the ability to be controlled by a remote wallmounted thermostat without additional accessories. Low voltage inputs will include: C (common), R (24V power), Y (cooling), GL (fan low), GH (fan high), W (heat) and O (reversing valve on PDH heat pumps only).

PTAC models shall use a single stage cool / single stage heat thermostat. PTHP models shall use a single stage cool / two-stageheat thermostat. An accessory thermostat must be available from the manufacturer, RT6 or equivalent. The RT6 thermostat will provide temperature setpoint, mode selection from cool, heat and fan modes. The thermostat must also allow the selection of fan speed between high and low speed.

Other controls accessible without removal of the chassis shall include fan cycle switch, fresh air vent control and emergency heat override switch (heat pump only).

ELECTRICAL CONNECTION – All PTAC/PTHP units shall come from the factory with a power cord installed. All 230/208V power cords shall feature a leakage current detection device on the plug head. All units shall feature a6-pinconnector for removal of the power cord. The power cord shall be interchangeable to allow changes to the heater output based on the property/electrical requirements.

GENERAL CONSTRUCTION – The wall sleeve shall be constructed of18-gaugeGalvanizedzinc-coatedsteel. It shall be prepared by a process where it is zinc phosphate pretreated and sealed with a

cured for durability. The sleeve shall be shipped with a protective weatherboard and a structural center support, and be insulated for

shipped separately and made from stamped or extruded anodized aluminum. All louvers shall be in the horizontal plane.

clips. As an option the cover may be attached by two screws to prevent tampering. The front panel will feature a contoured discharge with no sharp corners.

CORROSION PROTECTION – The unit shall havecorrosion-resistantfans, fan shroud and drain pan for corrosion protection and to prevent rust on the side of the building below the outdoor louver. The unit shall- rioration. The outdoor coil shall have Diamonblue corrosion protection

applications including seacoast environments. All outdoor coils shall also have stainless steel endplates to eliminate rusting of the endplates.

WARRANTY – The warranty is one year on all parts and 5 years on the sealed system including compressor, indoor and outdoor coils and refrigerant tubing.

6

Component Identification

Typical Unit Components and Dimensions

WALL SLEEVE

 

DISCHARGE

OUTDOOR GRILLE

 

GRILLE

 

FILTERS

CHASSIS RETURN AIR GRILLE

FRONT COVER

PDXWS WALLSLEEVEDIMENSIONS:

16" H X 42" WX 13-¾"D

FRONTCOVERDIMENSIONS:

16" H X 42" WX 7-¾"D

CUT-OUTDIMENSIONS:

16-¼"X 42-¼"

7

ACCESSORIES

NEWCONSTRUCTIONACCESSORIES

PDXWS

WALL SLEEVE Galvanized zinc coated steel is prepared in an11-step

 

 

 

 

oven for exceptional durability. The wall sleeve is insulated for sound

 

 

 

PDXWS

PDXWSEXT

DEEP WALL SLEEVE EXTENSION For use when the wall is thicker

 

than 13 1/4”deep. The wall sleeve may be special ordered through your

 

 

 

 

-

 

 

ments..

 

 

 

PDXWSEXT

 

 

 

PXGA

GRILLE Standard, stamped aluminium, anodized to resist chalking and

 

oxidation.

 

 

 

 

 

 

PXAA

ARCHITECTURAL GRILLES Consist ofheavy-gauge6063-T5alumi-

 

num alloy:

 

PXBG

PXGA

PXAA – Clear, extruded aluminum

PXSC

 

PXBG – Beige acrylic enamel

 

 

 

 

PXSC – Also available in custom colors.

 

 

 

PXAA

 

 

 

PXDR10

CONDENSATE DRAIN KIT Attaches to the bottom of the wall sleeve for

 

-

 

 

 

 

nal draining. Recommended on all units to remove excess condensate.

 

 

Packaged in quantities of ten.

 

 

 

 

PXSB

DECORATIVE SUBBASE Provides unit support for walls less than

 

-

 

 

 

 

ing brackets for electrical accessories. Accepts circuit breaker, power

 

 

disconnect switch, or conduit kit.

 

 

 

 

RT6

DIGITAL REMOTE WALL THERMOSTAT Single stage cool, single

 

stage heat for PDE models or single stage cool, dual stage heat for

 

 

 

 

PDH model thermostat features high/low fan speed switch. Thermostat

 

 

is hard wired and can be battery powered or unit powered. Features

 

 

Friedrich PTACs and Vert-I-Paks.

 

 

 

 

PDXRTA

REMOTE THERMOSTAT ESCUTCHEON KIT This kit contains ten

 

escutcheons that can be placed over the factory control buttons when

 

 

 

 

a remote wall mounted thermostat is used. The escutcheon directs the

 

 

guest to the wall thermostat for operation and retains the LED window to

 

 

display error codes and diagnostic information.

 

 

 

 

PXSE

SLEEVE EXTENSION RETROFIT KIT Galvanized zinc coated steel,

 

2.4" sleeve extension attached to the room side of the sleeve to allow for

 

 

 

 

the installation of a PD-SeriesFriedrich PTAC in aT-Seriessleeve.

 

 

 

 

PDXDAA

LATERAL DUCT ADAPTER Attaches to the PTAC/PTHP unit and

 

provides a transition to direct up to 35% of the total CFM to a second-

 

 

 

 

ary room, either left or right of the unit. Kit includes duct plenum with

 

 

 

 

PDXDEA

LATERAL DUCT EXTENSION Athree-footinsulated plenum that at-

 

taches to the left or right side of the duct adapter. The extension can be

 

 

 

 

cut to length by the installer. Maximum allowable straight extension is 15

 

 

feet.

 

 

 

 

8

ACCESSORIES

NEWCONSTRUCTIONACCESSORIES

PXCJA

CONDUIT KIT WITH JUNCTION BOX Hard wire conduit kit with

junction box for 208/230V and 265V units (subbase not required). Kit

 

 

includes a means of quick disconnect for easy removal of the chassis.

 

*Required for 265V installations.

PXFTA

REPLACEMENT FILTER PACK These are original equipment return air

 

 

chassis).

9

UNIT IDENTIFICATION

Model Number Code

PD H 07 K 3 S F A

Series

PD = P Series Digital PTAC

System

E = Cooling with or without electric heat

H = Heat Pump with

Auxiliary Heat

Nominal Cooling Capacity

07 = 7000 BTUh

09 = 9000 BTUh

12 = 12000 BTUh

15 = 15000 BTUh

Engineering Digit

Design Series

Options

S = Standard

Nominal Heater Size

(@ 230V or 265V)

0 = No Heater

2 = 2KW

3 = 3KW

5 = 5.0KW

Voltage

K = 208/230V - 1Ph. - 60Hz.

R = 265V - 1Ph. - 60Hz.

PTAC SERIALNUMBERIDENTIFICATIONGUIDE

SERIAL NUMBER

 

A

A

A

M

00001

 

 

 

 

 

 

 

YEAR MANUFACTURED

 

 

 

 

PRODUCTION RUN NUMBER

LJ = 2009

AE = 2015

 

 

 

 

 

AK = 2010

AF = 2016

 

 

 

 

 

AA = 2011

AG = 2017

 

 

 

 

PRODUCT LINE

AB = 2012

AH = 2018

 

 

 

 

M = PTAC

AC = 2013

AJ = 2019

 

 

 

 

 

AD = 2014

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MONTH MANUFACTURED

 

 

 

 

 

A = Jan

D = Apr

G = Jul

K = Oct

 

 

 

B = Feb

E = May

H = Aug

L = Nov

 

 

 

C = Mar

F = Jun

J = Sep

M = Dec

 

 

 

10

Chassis Specifications

PDE SERIES

 

 

 

 

PDE07K

 

PDE07R

PDE09K

PDE09R

PDE12K

 

PDE12R

PDE15K

PDE15R

PERFORMANCE DATA:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COOLING BTUh

 

 

7700/7600

 

7700

9000/8800

9000

12000/11800

 

12000

15000/14600

15000

POWER (WATTS)

 

 

640/620

 

 

640

800/770

800

1120/1120

 

1120

1530/1510

1530

EER

 

 

12.0/12.2

 

12.0

11.3/11.4

11.3

10.7/10.5

 

10.7

9.8/9.7

9.8

DEHUMIDIFICATION (pints/hr)

 

1.7

 

 

1.7

2.2

2.2

2.7

 

2.7

3.2

3.2

SENSIBLE HEAT RATIO

 

0.84

 

 

0.84

0.81

0.81

0.67

 

0.67

0.65

0.65

ELECTRICAL DATA:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE (1 PHASE, 60 Hz)

 

230/208

 

 

265

230/208

265

230/208

 

265

230/208

265

VOLT RANGE

 

 

253-187

 

 

292-239

253-187

292-239

253-187

 

292-239

253-187

292-239

CURRENT (AMPS)

 

 

2.8/3.0

 

 

2.4

3.7/3.9

3.7

5.1/5.3

 

4.8

6.7/7.5

5.9

POWER FACTOR

 

 

0.97

 

 

0.99

0.99

0.99

0.99

 

0.99

0.99

0.99

Compressor LRA

 

 

19.0

 

 

12.0

17.0

18.0

27.00

 

23.0

32.6

27.8

Compressor RLA

 

 

2.8

 

 

2.4

3.7

2.9

5.0

 

4.3

6.6

5.6

Fan motor horsepower

 

0.024

 

 

0.024

0.029

0.029

0.031

 

0.031

0.031

0.031

AIRFLOW DATA:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INDOOR CFM, HIGH

 

 

345/315

 

 

345

360/345

360

360/350

 

360

385/375

385

INDOOR CFM, MED

 

 

320/290

 

 

320

330/305

330

330/310

 

330

360/330

360

INDOOR CFM, LOW

 

 

295/265

 

 

295

300/270

300

310/280

 

310

320/290

320

VENT CFM

 

 

75

 

 

 

75

75

75

75

 

75

75

75

PHYSICAL DATA:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIMENSIONS

 

 

16x42x13 3/4

 

16x42x13 3/4

16x42x13 3/4

16x42x13 3/4

16x42x13 3/4

 

16x42x13 3/4

16x42x13 3/4

16x42x13 3/4

NET WEIGHT

 

 

106

 

 

106

111

111

116

 

116

119

119

SHIPPING WEIGHT

 

 

126

 

 

126

131

131

136

 

136

139

139

R-410ACHARGE (oz)

 

23.63

 

 

24.69

33.51

33.51

35.27

 

35.98

38.1

40.21

Dim.s w/ Pkg.

 

 

 

 

 

 

 

 

 

19.75X23X 43.5 (ALL MODELS)

 

 

 

PDH SERIES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PDH07K

 

PDH07R

PDH09K

PDH09R

PDH12K

 

PDH12R

PDH15K

PDH15R

PERFORMANCE DATA:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COOLING BTUh

 

 

7700/7600

 

7700

9000/8800

9000

12000/11800

 

12000

14500/14200

14500

POWER (WATTS) cool

 

640/620

 

 

640

800/770

800

1120/1120

 

1120

1480/1460

1480

EER

 

 

12.0/12.2

 

12

11.3/11.4

11.3

10.7/10.5

 

10.7

9.8/9.7

9.8

REVERSE HEATING BTUh

 

6300/6100

 

6300

8100/7900

8100

10700/10500

 

10700

13300/13000

13300

POWER (WATTS) HEAT

 

540/530

 

540

720/770

720

1010/990

 

1010

1300/1270

1300

COP

 

 

3.4/3.4

 

 

3.4

3.3/3.3

3.3

3.1/3.1

 

3.1

3.0/3.0

3

DEHUMIDIFICATION (pints/hr)

 

1.7

 

 

1.7

2.2

2.2

2.7

 

2.7

3.2

3.2

SENSIBLE HEAT RATIO

 

0.84

 

 

0.84

0.81

0.81

0.67

 

0.67

0.65

0.65

ELECTRICAL DATA:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE (1 PHASE, 60 Hz)

 

230/208

 

 

265

230/208

265

230/208

 

265

230/208

265

VOLT RANGE

 

 

253-187

 

 

292-239

253-187

292-239

253-187

 

292-239

253-187

292-239

CURRENT (AMPS)

 

 

2.8/3.0

 

 

2.4

3.7/3.9

3.7

5.1/5.3

 

4.8

6.7/7.5

5.7

REVERSE HEAT. Amps

 

2.4/2.5

 

 

2.1

3.4/3.8

3.4

4.5/4.7

 

4.5

5.8/6.2

5.0

POWER FACTOR

 

 

0.97

 

 

0.99

0.99

0.99

0.99

 

0.99

0.98

0.98

Compressor LRA

 

 

19.0

 

 

12.0

18.5

19.0

27.00

 

23.0

36.0

26.0

Compressor RLA

 

 

2.8

 

 

2.4

3.6

3.2

5.0

 

4.3

6.5

5.3

Fan motor horsepower

 

0.024

 

 

0.024

0.029

0.029

0.031

 

0.031

0.031

0.031

AIRFLOW DATA:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INDOOR CFM, HIGH

 

 

345/315

 

 

345

360/345

360

360/350

 

360

420/390

385

INDOOR CFM, MED

 

 

320/290

 

 

320

330/305

330

330/310

 

330

410/380

360

INDOOR CFM, LOW

 

 

295/265

 

 

295

300/270

300

310/280

 

310

380/350

320

VENT CFM

 

 

75

 

 

 

75

75

75

75

 

75

75

75

PHYSICAL DATA:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIMENSIONS

 

 

16x42x13.5

 

16x42x13.5

16x42x13.5

16x42x13.5

16x42x13.5

 

16x42x13.5

16x42x13.5

16x42x13.5

NET WEIGHT

 

 

108

 

 

108

113

113

118

 

118

121

123

SHIPPING WEIGHT

 

 

128

 

 

128

133

133

138

 

138

141

143

R-410ACHARGE (oz)

 

23.63

 

 

24.69

33.51

35.27

35.27

 

35.98

39.86

36.33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

250 V Receptacles and Fuse Types

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AMPS

 

15

20

 

30

 

 

 

 

 

 

 

 

 

HEATER SIZE

 

0, 2.0 KW

 

3.0 KW

 

5.0 KW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RECEPTACLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

Cooling & Heating Performance

PDE 230V - Extended Cooling Performance

 

 

 

 

 

 

 

OUTDOOR DRY BULB TEMP. (DEGREES F AT 40% R.H.)

 

 

 

 

 

 

 

 

75

 

 

85

 

 

 

95

 

 

 

105

 

 

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INDOOR WET BULB TEMP. (DEGREES F AT 80 F D.B.)

 

 

 

 

 

 

 

72

67

62

72

67

 

62

72

67

62

72

 

67

62

72

67

62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BTUH

9055

8709

8062

8624

8131

 

7500

8285

7700

6815

7762

 

6892

6075

6907

5944

5251

PDE07

WATTS

522

531

536

569

575

 

582

640

640

640

692

 

691

693

755

755

758

AMPS

2.3

2.3

2.4

2.5

2.5

 

2.5

2.8

2.80

2.8

3

 

3

3

3.3

3.3

3.3

 

 

 

 

SHR

0.53

0.72

0.96

0.54

0.74

 

0.98

0.54

0.77

0.99

0.55

 

0.81

0.99

0.58

0.87

0.99

 

BTUH

10584

10179

9423

10080

9504

 

8766

9684

9000

7965

9072

 

8055

7101

8073

6948

6138

PDE09

WATTS

653

663

670

711

718

 

727

800

800

800

865

 

864

866

943

943

947

AMPS

3.1

3.1

3.1

3.3

3.3

 

3.3

3.7

3.70

3.7

4

 

4

4

4.3

4.3

4.4

 

 

 

 

SHR

0.49

0.66

0.89

0.5

0.69

 

0.91

0.5

0.71

0.91

0.51

 

0.75

0.92

0.54

0.8

0.91

 

BTUH

14112

13572

12564

13440

12672

 

11688

12912

12000

10620

12096

 

10740

9468

10764

9264

8184

PDE12

WATTS

914

928

939

996

1006

 

1018

1120

1120

1120

1211

 

1210

1213

1320

1320

1326

AMPS

4.2

4.2

4.3

4.5

4.6

 

4.6

5.1

5.10

5.1

5.5

 

5.5

5.5

6

6

6

 

 

 

 

SHR

0.49

0.66

0.89

0.5

0.69

 

0.91

0.5

0.71

0.91

0.51

 

0.75

0.92

0.54

0.8

0.91

 

BTUH

17640

16965

15705

16800

15840

 

14610

16140

15000

13275

15120

 

13425

11835

13455

11580

10230

PDE15

WATTS

1248

1268

1282

1360

1374

 

1391

1530

1530

1530

1654

 

1652

1657

1804

1804

1812

AMPS

5.5

5.6

5.6

6

6

 

6

6.7

6.70

6.7

7.2

 

7.2

7.2

7.9

7.9

7.9

 

 

 

 

SHR

0.47

0.63

0.85

0.48

0.66

 

0.87

0.48

0.68

0.87

0.49

 

0.72

0.88

0.51

0.77

0.87

 

 

 

 

 

 

 

 

 

 

RATING POINT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ARI 310/380

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PDH 230V - Extended Cooling Performance

 

 

 

 

 

 

 

OUTDOOR DRY BULB TEMP. (DEGREES F AT 40% R.H.)

 

 

 

 

 

 

 

 

75

 

 

85

 

 

 

95

 

 

 

105

 

 

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INDOOR WET BULB TEMP. (DEGREES F AT 80 F D.B.)

 

 

 

 

 

 

 

72

67

62

72

67

 

62

72

67

62

72

 

67

62

72

67

62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BTUH

9055

8709

8062

8624

8131

 

7500

8285

7700

6815

7762

 

6892

6075

6907

5944

5251

PDH07

WATTS

522

531

536

569

575

 

582

640

640

640

692

 

691

693

755

755

758

AMPS

2.3

2.3

2.4

2.5

2.5

 

2.5

2.8

2.80

2.8

3

 

3

3

3.3

3.3

3.3

 

 

 

 

SHR

0.53

0.72

0.96

0.54

0.74

 

0.98

0.54

0.77

0.99

0.55

 

0.81

0.99

0.58

0.87

0.99

 

BTUH

10584

10179

9423

10080

9504

 

8766

9684

9000

7965

9072

 

8055

7101

8073

6948

6138

PDH09

WATTS

653

663

670

711

718

 

727

800

800

800

865

 

864

866

943

943

947

AMPS

3.1

3.1

3.1

3.3

3.3

 

3.3

3.7

3.70

3.7

4

 

4

4

4.3

4.3

4.4

 

 

 

 

SHR

0.49

0.66

0.89

0.5

0.69

 

0.91

0.5

0.71

0.91

0.51

 

0.75

0.92

0.54

0.8

0.91

 

BTUH

14112

13572

12564

13440

12672

 

11688

12912

12000

10620

12096

 

10740

9468

10764

9264

8184

PDH12

WATTS

914

928

939

996

1006

 

1018

1120

1120

1120

1211

 

1210

1213

1320

1320

1326

AMPS

4.2

4.2

4.3

4.5

4.6

 

4.6

5.1

5.10

5.1

5.5

 

5.5

5.5

6

6

6

 

 

 

 

SHR

0.49

0.66

0.89

0.5

0.69

 

0.91

0.5

0.71

0.91

0.51

 

0.75

0.92

0.54

0.8

0.91

 

BTUH

17052

16400

15182

16240

15312

 

14123

15602

14500

12833

14616

 

12978

11441

13007

11194

9889

PDH15

WATTS

1208

1227

1240

1316

1329

 

1345

1480

1480

1480

1600

 

1598

1603

1745

1745

1752

AMPS

5.4

5.5

5.5

5.9

5.9

 

5.9

6.5

6.6

6.6

7.1

 

7.1

7.1

7.7

7.7

7.7

 

 

 

 

SHR

0.48

0.65

0.88

0.49

0.68

 

0.89

0.49

0.70

0.9

0.5

 

0.74

0.9

0.53

0.79

0.9

 

 

 

 

 

 

 

 

 

 

RATING POINT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ARI 310/380

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Extended Heating Performance

 

 

 

 

OUTDOOR DRY BULB TEMP. (DEGREES F)

 

 

 

 

37

42

 

47

 

52

57

 

 

 

 

 

 

 

 

 

 

BTUH

5250

5540

 

6300

 

6900

7620

PDH07

WATTS

509

518

 

540

 

549

580

 

AMPS

2.3

2.4

 

2.4

 

2.5

2.6

 

BTUH

6005

6399

 

8100

 

8647

9245

PDH09

WATTS

647

656

 

720

 

725

735

 

AMPS

3.3

3.3

 

3.4

 

3.4

3.5

 

BTUH

7726

8531

 

10700

 

11278

12234

PDH12

WATTS

883

917

 

1010

 

1039

1073

 

AMPS

4

4.1

 

4.5

 

4.7

4.9

 

BTUH

10530

10850

 

13300

 

14550

15940

PDH15

WATTS

1197

1212

 

1300

 

1377

1439

 

AMPS

5.3

5.4

 

5.8

 

6.1

6.3

 

 

 

 

 

RATING POINT

 

 

 

 

 

 

 

 

ARI 310/380

 

 

 

 

 

 

 

 

 

 

 

 

12

Cooling & Heating Performance

PDE 265V - Extended Cooling Performance

 

 

 

 

 

 

 

OUTDOOR DRY BULB TEMP. (DEGREES F AT 40% R.H.)

 

 

 

 

 

 

 

 

75

 

 

85

 

 

 

95

 

 

 

 

105

 

 

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INDOOR WET BULB TEMP. (DEGREES F AT 80 F D.B.)

 

 

 

 

 

 

 

72

67

62

72

67

 

62

72

 

67

 

62

72

 

67

62

72

67

62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BTUH

9055

8709

8062

8624

8131

 

7500

8285

 

7700

 

6815

7762

 

6892

6075

6907

5944

5251

PDE07

WATTS

522

531

536

569

575

 

582

640

 

640

 

640

692

 

691

693

755

755

758

AMPS

2

2

2

2.1

2.1

 

2.2

2.4

 

2.40

 

2.4

2.6

 

2.6

2.6

2.8

2.8

2.8

 

 

 

 

 

 

SHR

0.53

0.72

0.96

0.54

0.74

 

0.98

0.54

 

0.77

 

0.99

0.55

 

0.81

0.99

0.58

0.87

0.99

 

BTUH

10584

10179

9423

10080

9504

 

8766

9684

 

9000

 

7965

9072

 

8055

7101

8073

6948

6138

PDE09

WATTS

653

663

670

711

718

 

727

800

 

800

 

800

865

 

864

866

943

943

947

AMPS

3.1

3.1

3.1

3.3

3.3

 

3.3

3.7

 

3.70

 

3.7

4

 

4

4

4.3

4.3

4.4

 

 

 

 

 

 

SHR

0.49

0.66

0.89

0.5

0.69

 

0.91

0.5

 

0.71

 

0.91

0.51

 

0.75

0.92

0.54

0.8

0.91

 

BTUH

14112

13572

12564

13440

12672

 

11688

12912

 

12000

 

10620

12096

 

10740

9468

10764

9264

8184

PDE12

WATTS

914

928

939

996

1006

 

1018

1120

 

1120

 

1120

1211

 

1210

1213

1320

1320

1326

AMPS

4

4

4

4.3

4.3

 

4.3

4.8

 

4.80

 

4.8

5.2

 

5.2

5.2

5.6

5.6

5.7

 

 

 

 

 

 

SHR

0.49

0.66

0.89

0.5

0.69

 

0.91

0.5

 

0.71

 

0.91

0.51

 

0.75

0.92

0.54

0.8

0.91

 

BTUH

17640

16965

15705

16800

15840

 

14610

16140

 

15000

 

13275

15120

 

13425

11835

13455

11580

10230

PDE15

WATTS

1248

1268

1282

1360

1374

 

1391

1530

 

1530

 

1530

1654

 

1652

1657

1804

1804

1812

AMPS

4.9

4.9

5

5.3

5.3

 

5.3

5.9

 

5.90

 

5.9

6.3

 

6.3

6.4

6.9

6.9

7

 

 

 

 

 

 

SHR

0.47

0.63

0.85

0.48

0.66

 

0.87

0.48

 

0.68

 

0.87

0.49

 

0.72

0.88

0.51

0.77

0.87

 

 

 

 

 

 

 

 

 

 

RATING POINT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ARI 310/380

 

 

 

 

 

 

 

 

PDH 265V - Extended Cooling Performance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR DRY BULB TEMP. (DEGREES F AT 40% R.H.)

 

 

 

 

 

 

 

 

75

 

 

85

 

 

 

95

 

 

 

 

105

 

 

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INDOOR WET BULB TEMP. (DEGREES F AT 80 F D.B.)

 

 

 

 

 

 

 

72

67

62

72

67

 

62

72

 

67

 

62

72

 

67

62

72

67

62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BTUH

9055

8709

8062

8624

8131

 

7500

8285

 

7700

 

6815

7762

 

6892

6075

6907

5944

5251

PDH07

WATTS

522

531

536

569

575

 

582

640

 

640

 

640

692

 

691

693

755

755

758

AMPS

2

2

2

2.1

2.1

 

2.2

2.4

 

2.40

 

2.4

2.6

 

2.6

2.6

2.8

2.8

2.8

 

 

 

 

 

 

SHR

0.53

0.72

0.96

0.54

0.74

 

0.98

0.54

 

0.77

 

0.99

0.55

 

0.81

0.99

0.58

0.87

0.99

 

BTUH

10584

10179

9423

10080

9504

 

8766

9684

 

9000

 

7965

9072

 

8055

7101

8073

6948

6138

PDH09

WATTS

653

663

670

711

718

 

727

800

 

800

 

800

865

 

864

866

943

943

947

AMPS

3.1

3.1

3.1

3.3

3.3

 

3.3

3.7

 

3.70

 

3.7

4

 

4

4

4.3

4.3

4.4

 

 

 

 

 

 

SHR

0.49

0.66

0.89

0.5

0.69

 

0.91

0.5

 

0.71

 

0.91

0.51

 

0.75

0.92

0.54

0.8

0.91

 

BTUH

14112

13572

12564

13440

12672

 

11688

12912

 

12000

 

10620

12096

 

10740

9468

10764

9264

8184

PDH12

WATTS

914

928

939

996

1006

 

1018

1120

 

1120

 

1120

1211

 

1210

1213

1320

1320

1326

AMPS

4

4

4

4.3

4.3

 

4.3

4.8

 

4.80

 

4.8

5.2

 

5.2

5.2

5.6

5.6

5.7

 

 

 

 

 

 

SHR

0.49

0.66

0.89

0.5

0.69

 

0.91

0.5

 

0.71

 

0.91

0.51

 

0.75

0.92

0.54

0.8

0.91

 

BTUH

17052

16400

15182

16240

15312

 

14123

15602

 

14500

 

12833

14616

 

12978

11441

13007

11194

9889

PDH15

WATTS

1208

1227

1240

1316

1329

 

1345

1480

 

1480

 

1480

1600

 

1598

1603

1745

1745

1752

AMPS

4.7

4.7

4.8

5.1

5.1

 

5.1

5.7

 

5.7

 

5.7

6.1

 

6.1

6.2

6.7

6.7

6.7

 

 

 

 

 

 

SHR

0.48

0.65

0.88

0.49

0.68

 

0.89

0.49

 

0.70

 

0.9

0.5

 

0.74

0.9

0.53

0.79

0.9

 

 

 

 

 

 

 

 

 

 

RATING POINT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ARI 310/380

 

 

 

 

 

 

 

 

Extended Heating Performance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR DRY BULB TEMP. (DEGREES F)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

37

 

 

42

 

 

 

47

 

 

 

 

52

 

 

57

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BTUH

 

5250

 

 

5540

 

 

 

6300

 

 

 

 

6900

 

 

7620

 

PDH07

WATTS

 

509

 

 

518

 

 

 

540

 

 

 

 

549

 

 

580

 

 

AMPS

 

2.3

 

 

2.4

 

 

 

2.4

 

 

 

 

2.5

 

 

2.6

 

 

BTUH

 

6005

 

 

6399

 

 

 

8100

 

 

 

 

8647

 

 

9245

 

PDH09

WATTS

 

647

 

 

656

 

 

 

720

 

 

 

 

725

 

 

735

 

 

AMPS

 

3.3

 

 

3.3

 

 

 

3.4

 

 

 

 

3.4

 

 

3.5

 

 

BTUH

 

7726

 

 

8531

 

 

 

10700

 

 

 

 

11278

 

 

12234

 

PDH12

WATTS

 

883

 

 

917

 

 

 

1010

 

 

 

 

1039

 

 

1073

 

 

AMPS

 

4

 

 

4.1

 

 

 

4.5

 

 

 

 

4.7

 

 

4.9

 

 

BTUH

 

10530

 

 

10850

 

 

 

13300

 

 

 

 

14550

 

 

15940

 

PDH15

WATTS

 

1197

 

 

1212

 

 

 

1300

 

 

 

 

1377

 

 

1439

 

 

AMPS

 

4.5

 

 

4.6

 

 

 

5

 

 

 

 

5.3

 

 

5.5

 

 

 

 

 

 

 

 

 

 

 

RATING POINT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ARI 310/380

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

ELECTRICHEATDATA

ELECTRICHEATDATA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PDE07K0

 

PDE/PDH07K

 

PDE/PDH07R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATER WATTS

0 KW

2000

1635

3000

2450

2000

 

3000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE

230/208

230

208

230

208

 

265

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATING BTUH

0

6824

5580

10236

8360

6824

 

10236

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATING CURRENT (AMPS)

0

8.9

7.9

13.2

12.2

7.6

 

11.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MINIMUM CIRCUIT AMPACITY

4.0

11.4

10.0

16.8

15.6

9.6

 

14.6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRANCH CIRCUIT FUSE (AMPS)

15

15

15

20

20

15

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ELECTRICHEATDATA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PDE09K0

 

 

PDE/PDH09K

 

 

 

 

PDE/PDH09R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATER WATTS

0 KW

2000

1635

3000

2450

5000

 

4090

2000

 

3000

 

5000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE

230/208

230

208

230

208

230

 

208

 

265

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATING BTUH

0

6824

5580

10236

8360

17060

 

13960

6824

 

10236

 

17060

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATING CURRENT (AMPS)

0

8.9

7.9

13.2

12.2

21.5

 

20.5

7.6

 

11.4

 

19.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MINIMUM CIRCUIT AMPACITY

5.2

11.4

10.0

16.8

15.6

27.2

 

26.0

9.8

 

14.6

 

24.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRANCH CIRCUIT FUSE (AMPS)

15

15

15

20

20

30

 

30

15

 

20

 

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ELECTRICHEATDATA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PDE12K0

 

 

PDE/PDH12K

 

 

 

 

PDE/PDH12R

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATER WATTS

0 KW

2000

1635

3000

2450

5000

 

4090

2000

 

3000

 

5000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE

230/208

230

208

230

208

230

 

208

 

265

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATING BTUH

0

6824

5580

10236

8360

17060

 

13960

6824

 

10236

 

17060

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATING CURRENT (AMPS)

0

8.9

7.9

13.2

12.2

21.5

 

20.5

7.6

 

11.4

 

19.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MINIMUM CIRCUIT AMPACITY

7.1

11.4

10.0

16.8

15.6

27.2

 

26.0

9.8

 

14.6

 

24.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRANCH CIRCUIT FUSE (AMPS)

15

15

15

20

20

30

 

30

15

 

20

 

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ELECTRICHEATDATA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PDE15K0

 

 

PDE/PDH15K

 

 

 

 

PDE/PDH15R

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATER WATTS

0 KW

2000

1635

3000

2450

5000

 

4090

2000

 

3000

 

5000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE

230/208

230

208

230

208

230

 

208

 

265

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATING BTUH

0

6824

5580

10236

8360

17060

 

13960

6824

 

10236

 

17060

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATING CURRENT (AMPS)

0

8.9

7.9

13.2

12.2

21.5

 

20.5

7.6

 

11.4

 

19.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MINIMUM CIRCUIT AMPACITY

9.1

11.4

10.0

16.8

15.6

27.2

 

26.0

9.8

 

14.6

 

24.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRANCH CIRCUIT FUSE (AMPS)

15

15

15

20

20

30

 

30

15

 

20

 

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

ELECTRICAL RATING TABLES

WARNING

ELECTRIC SHOCK HAZARD

Turn off electric power before service or installation. All electrical connections and wiring MUST be installed by a qualifi ed electrician and conform to the National Electrical Code and all local codes which have jurisdiction. Failure to do so could result in serious personal injury or death.

NOTE: Use Copper Conductors ONLY. Wire sizes are per NEC, check local codes for overseas applications.

Table 1

250 V Receptacles and Fuse Types

 

 

 

 

 

 

 

AMPS

 

15

20*

 

30

 

 

 

 

 

 

RECEPTACLE

 

 

 

 

 

 

 

 

 

 

TIME-DELAYTYPE FUSE

15

20

 

30

(or HACR circuit breaker)

 

 

 

 

 

 

 

 

 

 

 

HACR – Heating, Air Conditioning, Refrigeration

*May be used for 15 Amp applications if fused for 15 Amp NOTE: 265 volt units are hard wired.

Table 2 Recommended branch circuit wire sizes*

NAMEPLATE / MAXIMUM

AWG WIRE SIZE**

CIRCUIT BREAKER SIZE

 

 

 

15

14

20

12

30

10

 

 

AWG – American Wire Gauge * Single circuit from main box

** Based on copper wire, single insulated conductor at 60°C

WIRE SIZE

Use ONLY wiring size recommended for

single outlet branch circuit.

 

 

 

 

Use ONLY type and size fuse or HACR

 

circuit breaker indicated on unit’s rating

FUSE/CIRCUIT

plate. Proper current protection to the unit

BREAKER

is the responsibility of the owner. NOTE:

 

A time delay fuse is provided with 265V

 

units.

 

 

 

Unit MUST be grounded from branch

 

circuit through service cord to unit, or

 

through separate ground wire provided

 

on permanently connected units. Be sure

 

that branch circuit or general purpose

GROUNDING

outlet is grounded. The fi eld supplied

 

outlet must match plug on service cord

 

and be within reach of service cord. Refer

 

to Table 1 for proper receptacle and fuse

 

type. Do NOT alter the service cord or

 

plug. Do NOT use an extension cord.

 

 

 

The fi eld supplied outlet must match plug

 

on service cord and be within reach of

RECEPTACLE

service cord. Refer to Table 1 for proper

receptacle and fuse type. Do NOT alter

 

 

the service cord or plug. Do NOT use an

 

extension cord.

 

 

 

Use recommended wire size given

 

in Table 2 and install a single branch

WIRE SIZING

circuit. All wiring must comply with local

 

and national codes. NOTE: Use copper

 

conductors only.

 

 

POWER CORD INFORMATION (230/208V MODELS ONLY)

All Friedrich 230/208V PTAC units are shipped from the factory with a Leakage Current Detection Interrupter (LCDI) equipped power cord. The LCDI device meets the UL and NEC requirements for cord connected air conditioners effective August 2004.

To test your power supply cord:

1.Plug power supply cord into a grounded 3 prong outlet.

2.Press RESET.

3.Press TEST (listen for click; Reset button trips and pops out).

4.Press and release RESET (listen for click; Reset button latches and remains in). The power supply cord is ready for

operation.

NOTE: The LCDI device is not intended to be used as a switch.

Once plugged in the unit will operate normally without the need to reset the LCDI device. If the LCDI device trips and

Typical LCDI Devices

RESET

TEST

WARNING

TEST BEFORE EACH USE

1.PRESS RESET BUTTON

2.PLUG LCDI INTO POWER RECEPTACLE

3.PRESS TEST BUTTON, RESET BUTTON SHOULD

POP UP

4.PRESS TEST BUTTON, FOR USE

DO NOT USE IF ABOVE TEST

FAILS

WHEN GREEN LIGHT IS ON

IT IS WORKING PROPERLY

15/20A LCDI Device

TEST

RESET

WARNING

TEST BEFORE EACH USE

1.PRESS RESET BUTTON

2.PLUG LCDI INTO POWER RECEPTACLE

3.PRESS TEST BUTTON, RESET BUTTON SHOULD POP UP

4.PRESS TEST BUTTON, FOR USE

DO NOT USE IF ABOVE TEST

FAILS

WHEN GREEN LIGHT IS ON

IT IS WORKING PROPERLY

30A LCDI Device

FRP014

15

 

 

 

 

 

 

Model

Heater kW

Power Cord Kit

Voltage

Amperage

Receptacle

 

 

 

 

 

 

PDE07K

0.0

PXPC23000

230/208

15

NEMA.6-15r

PDE/PDH07K

2.0

PXPC23015

230/208

15

NEMA.6-15r

 

 

 

 

 

 

 

3.0

STD

230/208

20

NEMA.6-20r

 

 

 

 

 

 

PDE09K

0.0

PXPC23000

230/208

15

NEMA.6-15r

 

 

 

 

 

 

PDE/PDH09K

2.0

PXPC23015

230/208

15

NEMA.6-15r

 

 

 

 

 

 

 

3.0

STD

230/208

20

NEMA.6-20r

 

 

 

 

 

 

 

5.0

PXPC23030

230/208

30

NEMA.6-30r

 

 

 

 

 

 

PDE12K

0.0

PXPC23000

230/208

15

NEMA.6-15r

 

 

 

 

 

 

PDE/PDH12K

2.0

PXPC23015

230/208

15

NEMA.6-15r

 

 

 

 

 

 

 

3.0

STD

230/208

20

NEMA.6-20r

 

 

 

 

 

 

 

5.0

PXPC23030

230/208

30

NEMA.6-30r

PDE15K

0.0

PXPC23000

230/208

15

NEMA.6-15r

PDE/PDH15K

2.0

PXPC23015

230/208

15

NEMA.6-15r

 

 

 

 

 

 

 

3.0

PXPC23020

230/208

20

NEMA.6-20r

 

 

 

 

 

 

 

5.0

STD

230/208

30

NEMA.6-30r

 

 

 

 

 

 

PDE/PDH07R

2.0

PXPC26515

265

15

NEMA.6-15r

 

 

 

 

 

 

 

3.0

STD

265

20

NEMA.6-20r

 

 

 

 

 

 

PDE/PDH09R

2.0

PXPC26515

265

15

NEMA.6-15r

 

 

 

 

 

 

 

3.0

STD

265

20

NEMA.6-20r

 

 

 

 

 

 

 

5.0

PXPC26530

265

30

NEMA.6-30r

 

 

 

 

 

 

PDE/PDH12R

2.0

PXPC26515

265

15

NEMA.6-15r

 

3.0

STD

265

20

NEMA.6-20r

 

5.0

PXPC26530

265

30

NEMA.6-30r

 

 

 

 

 

 

PDE/PDH15R

2.0

PXPC26515

265

15

NEMA.6-15r

 

 

 

 

 

 

 

3.0

PXPC26520

265

20

NEMA.6-20r

 

 

 

 

 

 

 

5.0

STD

265

30

NEMA.6-30r

 

 

 

 

 

 

Electrical Wiring for 265 Volt Models

Power Cord Installation

All 265V PTAC/PTHP units come with a factory installed non-LCDIpower cord for use in a subbase. If the unit is to behard-wiredrefer to the instructions below.

NOTE: It is recommended that the PXSB subbase assembly, the PXCJA conduit kit (or equivalent) be installed on all hardwire units. If installing mounted unit, make sure the chassis can be removed from the sleeve for service and maintenance.

To install the line voltage power leads and conduit to chassis, follow the instructions below.

PXCJA Conduit Kit is required with this setup.

1.Follow the removal process of the chassis’s junction box. listed in the installation manual (Figure 25, step 2, page 19).

2.Prepare. the 265V (or 230V) power cord for connection to the chassis’ power cord connector by cutting the cord to the appropriate length (Figure 15). Power cord harness selection shown on Table above.

WARNING

ELECTRICALSHOCKHAZARD

Turn off electrical power before service or installation.

ALL electrical connections and wiring MUST be installed by a qualified electrician and conform to the National Code and all local codes which have jurisdiction.

Failure to do so can result in property damage, personal injury and/or death.

16

TO CHASSIS JUNCTION

4.0 IN.

18.0 IN.

EXPOSE

WIRES

(1.0 IN.)

TRIM HARNESS

TO LENGTH

STRIP WIRE ENDS (0.5 IN.)

TO WALL JUNCTION

FRP032

3.Route the cut ends of harness through the conduit connector assembly and conduit sleeve. Be sure to use the supplied conduit bushing to prevent damage to the cord by the conduit.

The cord should pass through the Locknut, Spacer, Chassis Junction Box, Conduit Connector, Bushing, then the Conduit Sleeve. Refer to wire harness insertion diagram.

4.Route the cut ends of the power cord through the elbow connector at the other end of the conduit. Tighten screws on elbow connector to secure conduit sleeve.

5.Fasten and secure the elbow connector to the wall junction box cover with locknut. Place and mount the wall junction box with the four wall mounting screws making sure to pass the wall lines through the junction box. Connect and join all wall lines with the stripped ends using wire nuts. Tighten both screws of the wall junction box cover to junction box.

 

STRAIGHT

 

CONNECTOR

WALL CONNECTION

JUNCTION

 

 

BOX

 

GROUND

 

SCREW

GROUND

 

WIRE

 

HARNESS

 

JUNCTION

COVER

SCREWS

BOX COVER

 

 

FRP033

 

LEADING SIDE FOR

 

WIRE HARNESS INSERTION

SPACER

LOCKNUT

 

 

CHASSIS

 

JUNCTION

SPACER

BOX

 

CONDUIT

 

CONNECTOR

BUSHING

CONDUIT

SLEEVE

EXITING SIDE FOR

WIRE HARNESS

FRP034

17

Remote Control Thermostat

Installation

Install Thermostat

1.Approximately 5 ft. from the

2.Close to or in a frequently used room, preferably on an inside wall.

3.On a section of wall without pipes or ductwork.

The Thermostat should NOT be mounted:

1.Close to a window, on an outside wall, or next to a door leading outside.

2.Where it can be exposed to direct sunlight or heat, such as the sun,

a lamp,

or any temperature radiating object which

may cause a false reading.

 

3. Close to or in the direct

of supply registers and/or return

air grilles.

 

 

4.Any areas with poor air circulation, such as a corner, behind a door, or an alcove.

Remote Thermostat and Low

Voltage Control Connections

Remote Thermostat

All Friedrich PD model PTAC units are factory to be controlled by either the chassis mounted Smart Center or a 24V remote wall mounted thermostat. The thermostat may be auto or manual changeover as long as

the control

matches that of the PTAC unit.

 

NOTE:

All PDE models require a single stage cool, single stage heat.

 

thermostat. All PDH models require a single stage cool, dual.

 

stage heat thermostat with an O reversing valve control. The

 

Friedrich RT6 thermostat can be

for either model.

To control the unit with a wall mounted thermostat follow the steps below:

1.Unplug the unit before doing any work.

2.With the front.cover removed locate the dip switches located below the Smart Center control panel. Switch Dip switch 2 to the up on 'ON' position.

3.Remove the low voltage terminal block from the unit.

4.Connect the corresponding terminals from the wall thermostat to the terminal block.

5.Replace the terminal block on the unit.

6.Restore power to the unit.

7.The unit is now controlled by the wall thermostat only.

8.If the accessory escutcheon kit (PDXRTA) is to be used, install it over the existing control panel.

NOTE:. The unit mounted controls no longer control the unit. To restore the unit mounted controls move dip switch 2 to the down or 'OFF' position.

Thermostat Connections

R = 24V Power from Unit

Y = Call for Cooling

W = Call for Heating

O = Reversing Valve Energized in cooling mode (PDH Models Only)

GL = Call for Low Fan

GH = Call for High Fan

C = Common Ground

*If only one G terminal is present on thermostat connect to GL for low speed fan or to GH for high speed fan operation.

Control board with optional PDXRT escutcheon kit installed

FRP029

18

Desk Control Terminals

The Friedrich PD model PTAC has built-inprovisions for connection to an external switch to control power to the unit. The switch can be a central desk control system or even a normally open door switch.

For desk control operation connect one side of the switch to the D1 terminal and the other to the D2 terminal. Whenever the switch closes the unit operation will stop.

NOTE:

The desk control system and switches must be

supplied.

Energy Management

Sometimes known as Front Desk Control, an input is provided so that the unit can be manually disabled from a remote location. If the unit detects 24Vac on this input, it will automatically turn itself off. If no voltage is detected on the input , the unit will run normally.

NOTE: It is the installer's responsibility to ensure that all control.wiring connections are made in accordance with the installation instructions. Improper connection of the thermostat control wiring and/or tampering with the unit's internal wiring can void the equipment warranty. Other manufacturer's PTACs and even older Friedrich models may have different control wire connections. Questions concerning proper connections to the unit should be directed to Friedrich.

26

WARNING

ELECTRICALSHOCKHAZARD

Turn off electrical power before service or installation.

ALL electrical connections and wiring MUST be installed by a qualified electrician and conform to the National Code and all local codes which have jurisdiction.

Improper connection of the thermostat control wiring and/or tampering with the units internal wiring may result in property damage, personal injury or death.

19

FRIEDRICH DIGITAL CONTROL FEATURES

The new Friedrich digital PTAC has state of the art features to improve guest comfort, indoor air quality and conserve energy. Through the use of specifi cally designed control software for the PTAC industry Friedrich has accomplished what other Manufacturer’s have only attempted – a quiet, dependable, affordable and easy to use PTAC.

Below is a list of standard features on every Friedrich PTAC and their benefi t to the owner.

Digital Temperature

By digitally monitoring desired room temperature the room is controlled more precisely than conventional

systems. The large, easy to read LED display can show either set-pointor actual room temperature as

Readout

selected by owner.

 

 

 

One-Touch

When the unit is powered off the unit can be returned directly to heating or cooling mode by pressing the

‘Heat’ or ‘Cool’ buttons without the confusing power up sequence of some controls. One-touchcontrol

Operation

takes guess-workout of unit control delivering a more enjoyable experience and eliminatingfront-desk

 

calls.

 

 

Individual Mode and

By having separate control buttons and indicators for both fan and mode settings the Friedrich digital con-

trol eliminates the confusion of previous digital PTACs. The accurate temperature setting provides greater

Fan Control Buttons

guest comfort than other systems.

 

 

 

Quiet Start/Stop

The fan start and stop delays prevent abrupt changes in room acoustics due to the compressor energizing

or stopping immediately. Upon call for cooling or heating the unit fan will run for fi ve seconds prior to en-

Fan Delay

ergizing the compressor. Also, the fan off delay allows for “free cooling” by utilizing the already cool indoor

 

coil to its maximum capacity by running for 30 seconds after the compressor.

 

 

Remote Thermostat

Some applications require the use of a wall mounted thermostat. All new Friedrich PTACs may be switched

from unit control to remote thermostat control easily without the need to order a special model or acces-

Operation

sory kit.

 

 

 

Wireless Remote

Guests can adjust the temperature and mode of the unit through the use of an optional hand held wireless

Control Ready

remote, improving guest comfort and relaxation.

 

 

Internal Diagnostic

The new Friedrich digital PTAC features a self diagnostic program that can alert maintenance to compo-

nent failures or operating problems. The internal diagnostic program saves properties valuable time when

Program

diagnosing running problems.

 

 

 

Service Error Code

The self diagnosis program will also store error codes in memory if certain conditions occur and correct

themselves such as extreme high or low operating conditions or activation of the room freeze protection

Storage

feature. Storing error codes can help properties determine if the unit faced obscure conditions or if an error

 

occurred and corrected itself.

 

 

Constant Comfort

The on-boardprocessor monitors time between demand cycles (heat or cool) and will cycle the fan every

9 minutes to sample the room condition and determine if the desired conditions are met. This allows the

Room Monitoring

room to have similar benefi ts to a remote mounted stat without the complication or cost of a wall mounted

 

thermostat.

 

 

Electronic

By limiting the operating range the property can save energy by eliminating “max cool” or “max heat” situ-

 

Temperature

ations common with older uncontrolled systems. The new electronic control allows owners to set operating

Limiting

ranges for both heating and cooling independently of one another.

 

 

 

 

When the PTAC senses that the indoor room temperature has fallen to 40°F the unit will cycle on high fan

Room Freeze

and the electric strip heat to raise the room temperature to 46°F then cycle off again. This feature works

regardless of the mode selected and can be turned off. The control will also store the Room Freeze cycle

Protection

in the service code memory for retrieval at a later date. This feature ensures that unoccupied rooms do not

 

 

reach freezing levels where damage can occur to plumbing and fi xtures.

 

 

Random

Multiple compressors starting at once can often cause electrical overloads and premature unit failure.

The random restart delay eliminates multiple units from starting at once following a power outage or initial

Compressor Restart

power up. The compressor delay will range from 180 to 240 seconds.

 

 

 

20

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DIP SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

 

3

 

4

5

 

6

7

 

DOWN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOCATION OF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Freeze guard

 

DIP SWITCHES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Setpoint Limit 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Setpoint Limit 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan CON/CYC for cooling

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan CON/CYC for heating

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wall Thermostat enable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electric heat only (for Heat Pumps)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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!

22

DIGITAL CONTROL DIAGNOSTICS

The chart below lists malfunctions and their description.

1

Indoor air temp sensor open/short

Display ‘F1’, with STATUS light flash

 

 

 

2

Indoor coil sensor open or short

Display ‘F2’, with STATUS light flash

 

 

 

3

Outdoor coil sensor open/short

Display ‘F4’, with STATUS light flash

 

 

 

4

Freeze Guard protection

Display ‘FP’, with STATUS light flash

 

 

 

5

Indoor coil high temp protection

STATUS light flash 8 times and off 3 sec, repeat

 

 

 

6

Outdoor coil high temp protection

STATUS light flash 6 times and off 3 sec, repeat

 

 

 

7

Indoor coil freeze protection

STATUS light flash 5 times and off 3 sec, repeat

 

 

 

8

Defrost (heat pump type)

STATUS light flash 7 times and off 3 sec, repeat

 

 

 

9

Thermostat wiring error

STATUS light flash 9 times and off 3 sec, repeat

 

 

 

23

 

 

 

 

 

 

 

 

 

Switch is at the OFF position; or socket and plug is

 

 

 

 

No power supply

 

 

 

 

 

 

 

 

 

 

loosened; or power wire has malfunction; or power failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fuse is burned out

 

 

 

Replace the fuse

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inspect the supply voltage. If it is lower 10% of the rated

 

 

 

 

 

 

 

 

 

 

 

 

 

Supply voltage is too low

 

 

 

voltage, pleaselook for the reason, improve the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check if optional switch (ON,OFF) is disconnected with the

 

 

 

 

 

 

 

 

 

wire or it’s with mechanical failure; use the universal meter to

 

 

 

 

 

 

 

 

 

 

Switch is broken down

 

 

 

check if contacts of the switch are conducting; if not, replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

it with a new one with the same model and specifi cation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Failure of crystal oscillator or reset circuit

 

 

 

Replace those parts which have malfunction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The wire is loosened

 

 

 

Check the circuit and connect the wire according to the

 

 

 

 

 

 

 

 

 

 

 

electric diagram attached to the unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Transformer is broken

 

 

 

Replace the transformer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Controller is broken

 

 

 

Replace the controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Receiver head is loosened

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

First press the “AUTO” button of the manual switch. If the

 

 

 

 

Receiver head is broken or it isn’t plugged well

 

 

 

button is normal, recheck if the installation and connection of

 

 

 

 

 

 

 

head and lines are correct. If correct, replace receiving head

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

or remote controller.

 

 

 

 

Remote controller has malfunction

 

 

 

 

MALFUNCTION ANALYSIS

 

 

 

 

A/C can’t run

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The thermostat hasn’t been adjusted well

Too much dust accumulated on the fi lter

Heat exchanger is blocked

Fan speed is set too slow

A/C can run but it can’t cooling (or heating)

The fan can’t run or the fan speed is too slow

Lower the temperature of the thermostat (or increase the temperature when heating)

Clean the fi lter

Clean the dust accumulated on the surface of the heat exchanger

Set the fan speed at high or medium fan speed

1. Wrong wire connection; 2. whether the capacitor damaged or not; 3. the motor has malfunction; Connect the

wire correctly or replace those parts which has malfunction.

24

A/C on. No cooling (or heating)

Call for fan motor but fan motor will not come on

Refrigerant is insuffi cient or leaking

Refrigeration system is blocked

Too much refrigerant

The effi ciency of the compressor is low

Condenser can’t discharge smoothly

Check leakage, carry out vacuum-pumpingafter repairing leakage and charge refrigerant according to requirements

Check whether the system is blocked by observing the condensation of the evaporator and the pressure value of the high pressure manometer, and then take measures to deal with the system.

Release the redundant refrigerant in system

Replace the compressor

Get rid of the obstacle

At the time of heating, the electric heater can’t run

Outdoor temperature is too high

1.the wire is loosened; 2. thermal fuse is broken;

3.temperature limiter is damaged; 4. electric heater is damaged; 5. controller is broken. correct the wore correctly or replace those parts which has malfunction.

You can install the rain-proofandsun-proofboard. If the cooling air is still insuffi cient, you are suggested

to replace the A/C

Whether the cooling (heating) load is suitable

 

 

 

 

 

Check the preset cooling (heating) load

 

 

 

 

 

 

 

 

 

 

The air tightness in room is not good. People come in and go out frequently. There are

Keep the air tightness well. Try not to use the electic appliances with a large quantity of heat

heating devices in the room when A/C is cooling

Supply voltage is unstable

Wrong wire connection

The fan’s capacitor is broken

The motor winding is of broken circuit or short circuit or the built in temperature limiter device in open circuit due to overheat.

Check the reason and correct it.

Check the circuit and connect the wire correctly according to the electic circuit diagram

Replace fan’s capacitor with the same mode and specifi cation

Replace those parts which has malfunction

 

 

 

 

The controller has malfunction

 

 

Replace the controller

 

 

 

 

 

 

 

 

 

 

Compressor isn’t running (controller is with output)

 

The compressor capacitor is broken; wrong wire

 

 

Replace capacitor; connect the wire correctly

 

connection

 

 

according to the electric circuit diagram

 

 

 

 

 

 

 

 

Check with a multimeter if the enclosed motor windings of The compressor’s motor is burned out compressor is with short or broken circuit or earthing. If so, it is needed to replace it with the same type and specifi cations.

Knock the compressor housing with a rubber bar or with The compressor is jammed or blocked a hammer padding with a wood, the compressor might be

shocked and run. If not, change the compressor.

25

Protector is activated due to overheating of the compressor

Compressor is ON-OFFfrequently

Refrigerant is insuffi cient or super abundance

Capillary is blocked and the suction temperature is rising

The compressor can run smoothly or is stuck. The air discharge valve is damaged.

Adjust the quantity of the refrigerant

Replace capillary

Replace the compressor

 

 

 

 

Use the multimeter to check whether the contact point of the

 

Protector has malfunction

 

 

 

compressor is conducted at the timer of non-subheating.If it

 

 

 

 

 

 

 

can’t be conducted, please replace the protector.

 

 

 

 

 

 

 

 

 

 

 

 

 

Supply voltage is abnormal

 

 

Check the reason, improve the power supply condition and

 

 

 

add the regulated power supply

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The radiating for evaporator and condensor is

 

 

Get rid of the dust on the evaporator and condensor, remove

 

not good; Poor air ventilation

 

 

the obstacles at the air outlet

 

 

 

 

 

 

 

 

 

The air conditioner capability does not match

 

 

 

 

the area of the room, i.e. so called “Big system,

 

 

Slect the A/C which is applicable to the room areas

 

 

 

 

 

 

 

small room”.

 

 

 

 

 

 

 

 

 

 

 

 

Reveiving distance of remote control

 

 

Replace the battery

 

 

Replace the battery

is too short

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LCD display fl ashes or when pressing

 

 

 

 

 

 

 

 

 

 

 

 

the transmit button the entire screen

 

 

Battery’s capacity is insuffi cient

 

 

Replace the battery

 

 

 

 

is displayed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED display is found short of stroke

 

 

The LCD frame hasn’t fi xed well

 

 

Fix the LCD frame properly

 

 

 

 

 

 

 

 

 

 

 

Vibration and noise are abnormal

The compressor hasn’t installed well and the base is unstable

The unit hasn’t placed fl atly and stable

The unit’s support is unstable

Check whether the base is fi rm

Adjust the unit’s position

Strengthen the support or refi t it

 

There are foreign objects on the unit

 

 

Get rid of the foreign objects

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Screws are loosened

 

 

Tighten the screws

 

 

 

 

 

 

 

 

As for the above malfunction analysis, there aren’t malfunction related to heating for the cooling only unit.

26

COMPONENTS TESTING

BLOWER / FAN MOTOR

Asinglephasepermanentsplitcapacitormotorisusedtodrive the evaporator blower and condenser fan. A self-resettingoverload is located inside the motor to protect against high temperature and high amperage conditions.

WARNING

ELECTRIC SHOCK HAZARD

Disconnect power to the unit before servicing. Failure to follow this warning could result in serious injury or death.

BLOWER / FAN MOTOR TEST

1.Make sure the motor has cooled down.

2.Disconnect the fan motor wires from the control board.

3.Test for continuity between the windings also, test to ground.

4.If any winding is open or grounded replace the motor.

Capacitor Check with Capacitor Analyzer

The capacitor analyzer will show whether the capacitor is “open” or “shorted.” It will tell whether the capacitor is within its micro farads rating and it will show whether the capacitor is operating at the proper power-factorpercentage. The instrument will automatically discharge the capacitor when the test switch is released.

Capacitor Connections

The starting winding of a motor can be damaged by a shorted and grounded running capacitor. This damage usually can be avoided by proper connection of the running capacitor terminals.

From the supply line on a typical 230 volt circuit, a 115 volt potential exists from the “R” terminal to ground through a possible short in the capacitor. However, from the “S” or start terminal, a much higher potential, possibly as high as 400 volts, exists because of the counter EMF generated in the start winding. Therefore, the possibility of capacitor failure is much greater when the identifi ed terminal is connected to the “S” or start terminal. The identifi ed terminal should always be connected to the supply line, or “R” terminal, never to the “S” terminal.

When connected properly, a shorted or grounded running capacitor will result in a direct short to ground from the “R” terminal and will blow the line fuse. The motor protector will protect the main winding from excessive temperature.

CAPACITORS

WARNING

ELECTRIC SHOCK HAZARD

Turn off electric power before servicing. Discharge capacitor with a 20,000 Ohm 2 Watt resistor before handling.

Failure to do so may result in personal injury, or death.

Many motor capacitors are internally fused. Shorting the terminals will blow the fuse, ruining the capacitor. A 20,000 ohm 2 watt resistor can be used to discharge capacitors safely. Remove wires from capacitor and place resistor across terminals. When checking a dual capacitor with a capacitor analyzer or ohmmeter, both sides must be tested.

27

COMPONENTS TESTING (Continued)

HEATER ELEMENTS AND LIMIT SWITCHES’ SPECIFICATIONS

All heat pumps and electric heat models are equipped with a heating element and a limit switch (bimetal thermostat). The limit is in series with the element and will interrupt the power at a designed temperature.

Should the blower motor fail, fi lter become clogged or air- fl ow be restricted etc., the high limit switch will open and interrupt the power to the heater before reaching an unsafe temperature condition.

TESTING THE HEATING ELEMENTS AND LIMIT SWITCHES

WARNING

ELECTRIC SHOCK HAZARD

Disconnect power to the unit before servicing. Failure to follow this warning could result in serious injury or death.

Testing of the heating elements can be made with an ohmmeter or continuity tester across the terminals after the power wires have been removed. Test the limit switch for continuity across its input and output terminals.Test below the limit switch’s reset temperature.

DRAIN PAN VALVE

During the cooling mode of operation, condensate which collects in the drain pan is picked up by the condenser fan blade and sprayed onto the condenser coil. This assists in cooling the refrigerant plus evaporating the water.

During the heating mode of operation, it is necessary that water be removed to prevent it from freezing during cold outside temperatures. This could cause the condenser fan blade to freeze in the accumulated water and prevent it from turning.

To provide a means of draining this water, a bellows type drain valve is installed over a drain opening in the base pan.

This valve is temperature sensitive and will open when the outside temperature reaches 40°F. The valve will close gradually as the temperature rises above 40°F to fully close at 60°F.

Bellows Assembly

Drain Pan Valve

28

REFRIGERATION SEQUENCE OF OPERATION

A good understanding of the basic operation of the refrigeration system is essential for the service technician. Without this understanding, accurate troubleshooting of refrigeration system problems will be more diffi cult and time consuming, if not (in some cases) entirely impossible. The refrigeration system uses four basic principles (laws) in its operation they are as follows:

1.“Heat always fl ows from a warmer body to a cooler body.”

2.“Heat must be added to or removed from a substance before a change in state can occur”

3.“Flow is always from a higher pressure area to a lower pressure area.”

4.“The temperature at which a liquid or gas changes state is dependent upon the pressure.”

The refrigeration cycle begins at the compressor. Starting the compressor creates a low pressure in the suction line which draws refrigerant gas (vapor) into the compressor. The compressor then “compresses” this refrigerant, raising its pressure and its (heat intensity) temperature.

The refrigerant leaves the compressor through the discharge Line as a hot High pressure gas (vapor). The refrigerant enters the condenser coil where it gives up some of its heat. The condenser fan moving air across the coil’s fi nned surface facilitates the transfer of heat from the refrigerant to the relatively cooler outdoor air.

When a suffi cient quantity of heat has been removed from the refrigerant gas (vapor), the refrigerant will “condense” (i.e. change to a liquid). Once the refrigerant has been condensed (changed) to a liquid it is cooled even further by the air that continues to fl ow across the condenser coil.

The PTAC design determines at exactly what point (in the condenser) the change of state (i.e. gas to a liquid) takes place. In all cases, however, the refrigerant must be totally condensed (changed) to a Liquid before leaving the condenser coil.

The refrigerant leaves the condenser Coil through the liquid line as a warm high pressure liquid. It next will pass through the refrigerant drier (if so equipped). It is the function of the driertotrapanymoisturepresentinthesystem,contaminants, and large particulate matter.

The liquid refrigerant next enters the metering device. The metering device is a capillary tube. The purpose of the metering device is to “meter” (i.e. control or measure) the quantity of refrigerant entering the evaporator coil.

In the case of the capillary tube this is accomplished (by design) through size (and length) of device, and the pressure difference present across the device.

Since the evaporator coil is under a lower pressure (due to the suction created by the compressor) than the liquid line, the liquid refrigerant leaves the metering device entering the evaporator coil. As it enters the evaporator coil, the larger area and lower pressure allows the refrigerant to expand and lower its temperature (heat intensity). This expansion is often referred to as “boiling”. Since the unit’s blower is moving indoor air across the fi nned surface of the evaporator coil, the expanding refrigerant absorbs some of that heat. This results in a lowering of the indoor air temperature, hence the “cooling” effect.

The expansion and absorbing of heat cause the liquid refrigerant to evaporate (i.e. change to a gas). Once the refrigerant has been evaporated (changed to a gas), it is heated even further by the air that continues to fl ow across the evaporator coil.

The particular system design determines at exactly what point (in the evaporator) the change of state (i.e. liquid to a gas) takes place. In all cases, however, the refrigerant must be totally evaporated (changed) to a gas before leaving the evaporator coil.

The low pressure (suction) created by the compressor causes the refrigerant to leave the evaporator through the suction line as a cool low pressure vapor. The refrigerant then returns to the compressor, where the cycle is repeated.

Suction

Discharge

Line

Line

Evaporator

Condenser

Coil

Coil

 

Metering

Compressor

 

Device

 

Refrigerant Drier Liquid

Refrigerant Line

Strainer

29

R-410ASEALED REFRIGERATION SYSTEM REPAIRS

IMPORTANT

SEALED SYSTEM REPAIRS TO COOL-ONLYMODELS REQUIRE THE INSTALLATION OF A LIQUID LINE DRIER. SEALED SYSTEM REPAIRS TO HEAT PUMP MODELS REQUIRE THE INSTALLATION OF A SUCTION LINE DRIER.

EQUIPMENT REQUIRED:

1.Voltmeter

2.Ammeter

3.Ohmmeter

4.E.P.A. Approved Refrigerant Recovery System

5.Vacuum Pump (capable of 200 microns or less vacuum.)

6.Acetylene Welder

7.Electronic Halogen Leak Detector capable of detecting HFC (Hydrofl uorocarbon) refrigerants.

8.Accurate refrigerant charge measuring device such as:

a.Balance Scales - 1/2 oz. accuracy

b.Charging Board - 1/2 oz. accuracy

9.High Pressure Gauge - (0 - 750 lbs.)

10.Low Pressure Gauge - (30 - 200 lbs.)

11.Vacuum Gauge - (0 - 1000 microns)

12.Facilities for fl owing nitrogen through refrigeration tubing during all brazing processes.

EQUIPMENT MUST BE CAPABLE OF:

1.Recovering refrigerant to EPA required levels.

2.Evacuation from both the high side and low side of the system simultaneously.

3.Introducing refrigerant charge into high side of the system.

4.Accurately weighing the refrigerant charge introduced into the system.

WARNING

RISK OF ELECTRIC SHOCK

Unplug and/or disconnect all electrical power to the unit before performing inspections, maintenances or service.

Failure to do so could result in electric shock, serious injury or death.

WARNING

HIGH PRESSURE HAZARD

SealedRefrigerationSystemcontainsrefrigerant and oil under high pressure.

Proper safety procedures must be followed, and proper protective clothing must be worn when working with refrigerants.

Failure to follow these procedures could result in serious injury or death.

Refrigerant Charging

Proper refrigerant charge is essential to proper unit operation. Operating a unit with an improper refrigerant charge will result in reduced performance (capacity) and/or effi ciency. Accordingly, the use of proper charging methods during servicing will insure that the unit is functioning as designed and that its compressor will not be damaged.

Too much refrigerant (overcharge) in the system is just as bad (if not worse) than not enough refrigerant (undercharge). They both can be the source of certain compressor failures if they remain uncorrected for any period of time. Quite often, other problems (such as low air fl ow across evaporator, etc.) are misdiagnosed as refrigerant charge problems. The refrigerant circuit diagnosis chart will assist you in properly diagnosing these systems.

An overcharged unit will at times return liquid refrigerant (slugging) back to the suction side of the compressor eventually causing a mechanical failure within the compressor. This mechanical failure can manifest itself as valve failure, bearing failure, and/or other mechanical failure. The specifi c type of failure will be infl uenced by the amount of liquid being returned, and the length of time the slugging continues.

Not enough refrigerant (undercharge) on the other hand, will cause the temperature of the suction gas to increase to the point where it does not provide suffi cient cooling for the compressor motor. When this occurs, the motor winding temperature will increase causing the motor to overheat and possibly cycle open the compressor overload protector. Continued overheating of the motor windings and/or cycling of the overload will eventually lead to compressor motor or overload failure.

30

Method Of Charging / Repairs

The acceptable method for charging the RAC system is the Weighed in Charge Method. The weighed in charge method is applicable to all units. It is the preferred method to use, as it is the most accurate.

The weighed in method should always be used whenever a charge is removed from a unit such as for a leak repair, compressor replacement, or when there is no refrigerant charge left in the unit. To charge by this method, requires the following steps:

1.Install a piercing valve to remove refrigerant from the sealedsystem. (Piercing valve must be removed from the

CAUTION

FREEZE HAZARD

Proper safety procedures must be followed, and proper protective clothing must be worn when working with liquid refrigerant.

Failure to follow these procedures could result in minor to moderate injury.

4.Make necessary repairs to system.

5.Evacuate system to 200 microns or less.

system before recharging.)

6. Weigh in refrigerant with the property quantity of R-410A

 

2. Recover Refrigerant in accordance with EPA regulations.

WARNING

BURN HAZARD

Proper safety procedures must be followed, and proper protective clothing must be worn when working with a torch.

Failure to follow these procedures could result in moderate or serious injury.

3. Install a process tube to sealed system.

refrigerant.

7. Start unit, and verify performance.

WARNING

BURN HAZARD

Proper safety procedures must be followed, and proper protective clothing must be worn when working with a torch.

Failure to follow these procedures could result in moderate or serious injury.

8. Crimp the process tube and solder the end shut.

WARNING

ELECTRIC SHOCK HAZARD

Turn off electric power before service or installation.

Extreme care must be used, if it becomes necessary to work on equipment with power applied.

Failure to do so could result in serious injury or death.

WARNING

HIGH PRESSURE HAZARD

SealedRefrigerationSystemcontainsrefrigerant and oil under high pressure.

Proper safety procedures must be followed, and proper protective clothing must be worn when working with refrigerants.

Failure to follow these procedures could result in serious injury or death.

Undercharged Refrigerant Systems

An undercharged system will result in poor performance (low pressures, etc.) in both the heating and cooling cycle.

Whenever you service a unit with an undercharge of refrigerant, always suspect a leak. The leak must be repaired before charging the unit.

To check for an undercharged system, turn the unit on, allow the compressor to run long enough to establish working pressures in the system (15 to 20 minutes).

During the cooling cycle you can listen carefully at the exit of the metering device into the evaporator; an intermittent hissing and gurgling sound indicates a low refrigerant charge. Intermittent frosting and thawing of the evaporator is another indication of a low charge, however, frosting and thawing can also be caused by insuffi cient air over the evaporator.

Checks for an undercharged system can be made at the compressor. If the compressor seems quieter than normal, it is an indication of a low refrigerant charge.

A check of the amperage drawn by the compressor motor should show a lower reading. (Check the Unit

Specifi cation.)

31

After the unit has run 10 to 15 minutes, check the gauge pressures.Gaugesconnectedtosystemwithanundercharge will have low head pressures and substantially low suction pressures.

Improper air fl ow over the evaporator coil may indicate some of the same symptoms as an over charged system. An overcharge can cause the compressor to fail, since it would be “slugged” with liquid refrigerant.

The charge for any system is critical. When the compressor is noisy, suspect an overcharge, when you are sure that the air quantity over the evaporator coil is correct. Icing of the evaporator will not be encountered because the refrigerant will boil later if at all. Gauges connected to system will usually have higher head pressure (depending upon amount of over charge). Suction pressure should be slightly higher.

Overcharged Refrigerant Systems

Compressor amps will be near normal or higher. Noncondensables can also cause these symptoms. To confi rm, remove some of the charge, if conditions improve, system may be overcharged. If conditions don’t improve,

Noncondensables are indicated.

Wheneveranoverchargedsystemisindicated,alwaysmake sure that the problem is not caused by air fl ow problems.

Restricted Refrigerant System

Troubleshooting a restricted refrigerant system can be diffi cult. The following procedures are the more common problems and solutions to these problems. There are two types of refrigerant restrictions: Partial restrictions and complete restrictions.

A partial restriction allows some of the refrigerant to circulate through the system.

With a complete restriction there is no circulation of refrigerant in the system.

Restricted refrigerant systems display the same symptoms as a “low-chargecondition.”

When the unit is shut off, the gauges may equalize very slowly.

Gauges connected to a completely restricted system will run in a deep vacuum. When the unit is shut off, the gauges will not equalize at all.

A quick check for either condition begins at the evaporator.

With a partial restriction, there may be gurgling sounds at the metering device entrance to the evaporator. The evaporator in a partial restriction could be partially frosted or have an ice ball close to the entrance of the metering device. Frost may continue on the suction line back to the compressor.

Often a partial restriction of any type can be found by feel, as there is a temperature difference from one side of the restriction to the other.

With a complete restriction, there will be no sound at the metering device entrance. An amperage check of the compressor with a partial restriction may show normal

32 current when compared to the unit specifi cation.

With a complete restriction the current drawn may be considerably less than normal, as the compressor is running in a deep vacuum (no load.) Much of the area of the condenser will be relatively cool since most or all of the liquid refrigerant will be stored there.

The following conditions are based primarily on a system in the cooling mode.

HERMETIC COMPONENTS CHECK

WARNING

BURN HAZARD

Proper safety procedures must be followed, and proper protective clothing must be worn when working with a torch.

Failure to follow these procedures could result in moderate or serious injury.

WARNING

CUT/SEVER HAZARD

Be careful with the sharp edges and corners. Wear protective clothing and gloves, etc.

Failure to do so could result in serious injury.

METERING DEVICE

Capillary Tube Systems

All units are equipped with capillary tube metering devices.

Checking for restricted capillary tubes.

1.Connect pressure gauges to unit.

2.Start the unit in the cooling mode. If after a few minutes of operation the pressures are normal, the check valve and the cooling capillary are not restricted.

3.Switch the unit to the heating mode and observe the gauge readings after a few minutes running time. If the system pressure is lower than normal, the heating capillary is restricted.

4.If the operating pressures are lower than normal in both the heating and cooling mode, the cooling capillary is restricted.

CHECK VALVE

A unique two-waycheck valve is used on the reverse cycle heat pumps. It is pressure operated and used to direct the

fl ow of refrigerant through a single fi lter drier and to the proper capillary tube during either the heating or cooling cycle.

One-wayCheck Valve

(Heat Pump Models)

NOTE: The slide (check) inside the valve is made of tefl on. Should it become necessary to replace the check valve, place a wet cloth around the valve to prevent overheating during the brazing operation.

CHECK VALVE OPERATION

In the cooling mode of operation, high pressure liquid enters the check valve forcing the slide to close the opposite port

(liquid line) to the indoor coil. Refer to refrigerant fl ow chart. This directs the refrigerant through the fi lter drier and cooling capillary tube to the indoor coil.

In the heating mode of operation, high pressure refrigerant enters the check valve from the opposite direction, closing

the port (liquid line) to the outdoor coil. The fl ow path of the refrigerant is then through the fi lter drier and heating capillary to the outdoor coil.

Failure of the slide in the check valve to seat properly in either mode of operation will cause fl ooding of the cooling coil. This is due to the refrigerant bypassing the heating or cooling capillary tube and entering the liquid line.

COOLING MODE

In the cooling mode of operation, liquid refrigerant from condenser (liquid line) enters the cooling check valve forcing the heating check valve shut. The liquid refrigerant is directed into the liquid dryer after which the refrigerant is metered through cooling capillary tubes to evaporator.

(Note: liquid refrigerant will also be directed through the heating capillary tubes in a continuous loop during the cooling mode).

HEATING MODE

In the heating mode of operation, liquid refrigerant from the indoor coil enters the heating check valve forcing the cooling check valve shut. The liquid refrigerant is directed into the liquid dryer after which the refrigerant is metered through the heating capillary tubes to outdoor coils. (Note: liquid refrigerant will also be directed through the cooling capillary tubes in a continuous loop during the heating mode).

33

REVERSING VALVE DESCRIPTION/OPERATION

WARNING

ELECTRIC SHOCK HAZARD

Disconnect power to the unit before servicing. Failure to follow this warning could result in serious injury or death.

The Reversing Valve controls the direction of refrigerant fl ow to the indoor and outdoor coils. It consists of a pressureoperated, main valve and a pilot valve actuated by a solenoid plunger. The solenoid is energized during the heating cycle only. The reversing valves used in the PTAC system is a 2-position,4-wayvalve.

The single tube on one side of the main valve body is the high-pressureinlet to the valve from the compressor. The center tube on the opposite side is connected to the low pressure (suction) side of the system. The other two are connected to the indoor and outdoor coils. Small capillary tubes connect each end of the main valve cylinder to the “A” and “B” ports of the pilot valve. A third capillary is a common return line from these ports to the suction tube on the main valve body.Four-wayreversing valves also have a capillary tube from the compressor discharge tube to the pilot valve.

The piston assembly in the main valve can only be shifted by the pressure differential between the high and low sides

of the system. The pilot section of the valve opens and closes ports for the small capillary tubes to the main valve to cause it to shift.

NOTE: System operating pressures must be near normal before valve can shift.

TESTING THE COIL

WARNING

ELECTRIC SHOCK HAZARD

Unplug and/or disconnect all electrical power to the unit before performing inspections, maintenances or service.

Failure to do so could result in electric shock, serious injury or death.

The solenoid coil is an electromagnetic type coil mounted on the reversing valve and is energized during the operation of the compressor in the heating cycle.

1.Turn off high voltage electrical power to unit.

2.Unplug line voltage lead from reversing valve coil.

3.Check for electrical continuity through the coil. If you do not have continuity replace the coil.

4.Check from each lead of coil to the copper liquid line as it leaves the unit or the ground lug. There should be no continuity between either of the coil leads and ground; if there is, coil is grounded and must be replaced.

5.If coil tests okay, reconnect the electrical leads.

6.Make sure coil has been assembled correctly.

NOTE: Do not start unit with solenoid coil removed from valve, or do not remove coil after unit is in operation. This will cause the coil to burn out.

CHECKING THE REVERSING VALVE

NOTE: You must have normal operating pressures before the reversing valve can shift.

WARNING

HIGH PRESSURE HAZARD

SealedRefrigerationSystemcontainsrefrigerant and oil under high pressure.

Proper safety procedures must be followed, and proper protective clothing must be worn when working with refrigerants.

Failure to follow these procedures could result in serious injury or death.

Check the operation of the valve by starting the system and switching the operation from “Cooling” to “Heating” and then back to “Cooling”. Do not hammer on valve.

Occasionally, the reversing valve may stick in the heating or cooling position or in the mid-position.

34

When sluggish or stuck in the mid-position,part of the discharge gas from the compressor is directed back to the suction side, resulting in excessively high suction pressure.

Should the valve fail to shift from coooling to heating, block the air fl ow through the outdoor coil and allow the discharge pressure to build in the system. Then switch the system from heating to cooling.

If the valve is stuck in the heating position, block the air fl ow through the indoor coil and allow discharge pressure to build in the system. Then switch the system from heating to cooling.

Should the valve fail to shift in either position after increasing the discharge pressure, replace the valve.

Dented or damaged valve body or capillary tubes can prevent the main slide in the valve body from shifting.

If you determing this is the problem, replace the reversing valve.

After all of the previous inspections and checks have been made and determined correct, then perform the “Touch Test” on the reversing valve.

Reversing Valve in Heating Mode

Reversing Valve in Cooling Mode

Touch Test in Heating/Cooling Cycle

WARNING

BURN HAZARD

Certain unit components operate at temperatures hot enough to cause burns.

Proper safety procedures must be followed, and proper protective clothing must be worn.

Failure to follow these procedures could result in minor to moderate injury.

The only definite indications that the slide is in the midposition is if all three tubes on the suction side of the valve are hot after a few minutes of running time.

NOTE: A condition other than those illustrated above, and on Page 31, indicate that the reversing valve is not shifting properly. Both tubes shown as hot or cool must be the same corresponding temperature.

Procedure For Changing Reversing Valve

WARNING

HIGH PRESSURE HAZARD

SealedRefrigerationSystemcontainsrefrigerant and oil under high pressure.

Proper safety procedures must be followed, and proper protective clothing must be worn when working with refrigerants.

Failure to follow these procedures could result in serious injury or death.

NOTICE

FIRE HAZARD

The use of a torch requires extreme care and proper judgment. Follow all safety recommended precautions and protect surrounding areas with fi re proof materials. Have a fi re extinguisher readily available. Failure to follow this notice could result in moderate to serious property damage.

1.Install Process Tubes. Recover refrigerant from sealed system. PROPER HANDLING OF RECOVERED REFRIGERANT ACCORDING TO EPA REGULATIONS IS REQUIRED.

2.Remove solenoid coil from reversing valve. If coil is to be reused, protect from heat while changing valve.

3.Unbraze all lines from reversing valve.

4.Clean all excess braze from all tubing so that they will slip into fi ttings on new valve.

5.Remove solenoid coil from new valve.

35

6.Protect new valve body from heat while brazing with plastic heat sink (Thermo Trap) or wrap valve body with wet rag.

7.Fit all lines into new valve and braze lines into new valve.

WARNING

EXPLOSION HAZARD

The use of nitrogen requires a pressure regulator. Follow all safety procedures and wear protective safety clothing etc.

Failure to follow proper safety procedures could result in serious injury or death.

8.Pressurize sealed system with a combination of R-22and nitrogen and check for leaks, using a suitable leak detector. Recover refrigerant per EPA guidelines.

9.Once the sealed system is leak free, install solenoid coil on new valve and charge the sealed system by weighing in the proper amount and type of refrigerant as shown on rating plate. Crimp the process tubes and solder the ends shut. Do not leave Schrader or piercing valves in the sealed system.

NOTE: When brazing a reversing valve into the system, it is of extreme importance that the temperature of the valve does not exceed 250°F at any time.

Wrap the reversing valve with a large rag saturated with water. “Re-wet”the rag and thoroughly cool the valve after each brazing operation of the four joints involved.

The wet rag around the reversing valve will eliminate conduction of heat to the valve body when brazing the line connection.

COMPRESSOR CHECKS

WARNING

ELECTRIC SHOCK HAZARD

Turn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with power applied.

Failure to do so could result in serious injury or death.

Locked Rotor Voltage (L.R.V.) Test

Locked rotor voltage (L.R.V.) is the actual voltage available at the compressor under a stalled condition.

Single Phase Connections

Disconnect power from unit. Using a voltmeter, attach one lead of the meter to the run “R” terminal on the compressor and the other lead to the common “C” terminal of the compressor. Restore power to unit.

Determine L.R.V.

Start the compressor with the volt meter attached; then stop the unit. Attempt to restart the compressor within a couple of seconds and immediately read the voltage on the meter. The compressor under these conditions will not start and will usually kick out on overload within a few seconds since the pressures in the system will not have had time to equalize. Voltage should be at or above minimum voltage of 197 VAC, as specifi ed on the rating plate. If less than minimum, check for cause of inadequate power supply; i.e., incorrect wire size, loose electrical connections, etc.

Amperage (L.R.A.) Test

The running amperage of the compressor is the most important of these readings. A running amperage higher than that indicated in the performance data indicates that a problem exists mechanically or electrically.

Single Phase Running and L.R.A. Test

NOTE: Consult the specifi cation and performance section for running amperage. The L.R.A. can also be found on the rating plate.

Select the proper amperage scale and clamp the meter probe around the wire to the “C” terminal of the compressor.

Turn on the unit and read the running amperage on the meter. If the compressor does not start, the reading will indicate the locked rotor amperage (L.R.A.).

Overloads

The compressor is equipped with an external overload which senses both motor amperage and winding temperature. High motor temperature or amperage heats the overload causing it to open, breaking the common circuit within the compressor.

Heat generated within the compressor shell, usually due to recycling of the motor, is slow to dissipate. It may take anywhere from a few minutes to several hours for the overload to reset.

Checking the Overload

WARNING

ELECTRIC SHOCK HAZARD

Turn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with power applied.

Failure to do so could result in serious injury or death.

36

WARNING

BURN HAZARD

Certain unit components operate at temperatures hot enough to cause burns.

Proper safety procedures must be followed, and proper protective clothing must be worn.

Failure to follow this warning could result in moderate to serious injury.

External Overload

With power off, remove the leads from compressor terminals. If the compressor is hot, allow the overload to cool before starting check. Using an ohmmeter, test continuity across the terminals of the external overload. If you do not have continuity; this indicates that the overload is open and must be replaced.

Single Phase Resistance Test

WARNING

ELECTRIC SHOCK HAZARD

Turn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with power applied.

Failure to do so could result in serious injury or death.

Remove the leads from the compressor terminals and set the ohmmeter on the lowest scale (R x 1).

Touch the leads of the ohmmeter from terminals common to start (“C” to “S”). Next, touch the leads of the ohmmeter from terminals common to run (“C” to “R”).

Add values “C” to “S” and “C” to “R” together and check resistance from start to run terminals (“S” to “R”). Resistance “S” to “R” should equal the total of “C” to “S” and “C” to “R.”

In a single phase PSC compressor motor, the highest value will be from the start to the run connections (“S” to “R”). The next highest resistance is from the start to the common connections (“S” to “C”). The lowest resistance is from the run to common. (“C” to “R”) Before replacing a compressor, check to be sure it is defective.

GROUND TEST

Use an ohmmeter set on its highest scale. Touch one lead to the compressor body (clean point of contact as a good connection is a must) and the other probe in turn to each compressor terminal. If a reading is obtained the compressor is grounded and must be replaced.

Check the complete electrical system to the compressor and compressor internal electrical system, check to be certain that compressor is not out on internal overload.

Complete evaluation of the system must be made whenever you suspect the compressor is defective. If the compressor has been operating for sometime, a careful examination must be made to determine why the compressor failed.

Many compressor failures are caused by the following conditions:

1.Improper air fl ow over the evaporator.

2.Overcharged refrigerant system causing liquid to be returned to the compressor.

3.Restricted refrigerant system.

4.Lack of lubrication.

5.Liquid refrigerant returning to compressor causing oil to be washed out of bearings.

6. Noncondensables such as air and moisture in the system. Moisture is extremely destructive to a refrigerant system.

37

COMPRESSOR REPLACEMENT

Recommended procedure for compressor replacement

WARNING

RISK OF ELECTRIC SHOCK

Unplug and/or disconnect all electrical power to the unit before performing inspections, maintenances or service.

Failure to do so could result in electric shock, serious injury or death.

1.Be certain to perform all necessary electrical and refrigeration tests to be sure the compressor is actually defective before replacing.

WARNING

HIGH PRESSURE HAZARD

SealedRefrigerationSystemcontainsrefrigerant and oil under high pressure.

Proper safety procedures must be followed, and proper protective clothing must be worn when working with refrigerants.

Failure to follow these procedures could result in serious injury or death.

2. Recover all refrigerant from the system though the process tubes. PROPER HANDLING OF

RECOVERED REFRIGERANT ACCORDING TO EPA REGULATIONS IS REQUIRED. Do not use gauge manifold for this purpose if there has been a burnout. You will contaminate your manifold and hoses. Use a Schrader valve adapter and copper tubing for burnout failures.

WARNING

HIGH TEMPERATURES

Extreme care, proper judgment and all safety procedures must be followed when testing, troubleshooting, handling or working around unit while in operation with high temperature components. Wear protective safety aids such as: gloves, clothing etc.

Failure to do so could result in serious burn injury.

NOTICE

FIRE HAZARD

The use of a torch requires extreme care and proper judgment. Follow all safety recommended precautions and protect surrounding areas with fi re proof materials. Have a fi re extinguisher readily available. Failure to follow this notice could result in moderate to serious property damage.

3.After all refrigerant has been recovered, disconnect suction and discharge lines from the compressor and remove compressor. Be certain to have both suction and discharge process tubes open to atmosphere.

4.Carefully pour a small amount of oil from the suction

stub of the defective compressor into a clean container.

5.Using an acid test kit (one shot or conventional kit), test the oil for acid content according to the instructions with the kit.

6.If any evidence of a burnout is found, no matter how slight, the system will need to be cleaned up following proper procedures.

7.Install the replacement compressor.

WARNING

EXPLOSION HAZARD

The use of nitrogen requires a pressure regulator. Follow all safety procedures and wear protective safety clothing etc.

Failure to follow proper safety procedures result in serious injury or death.

8.Pressurize with a combination of R-410Aand nitrogen and leak test all connections with leak detector capable of detecting HFC (Hydrofl uorocarbon) refrigerant. Recover refrigerant/nitrogen mixture and repair any leaks found.

Repeat Step 8 to insure no more leaks are present.

9. Evacuate the system with a good vacuum pump capable of a fi nal vacuum of 200 microns or less. The system should be evacuated through both liquid line and suction line gauge ports. While the unit is being evacuated, seal all openings on the defective compressor.

CAUTION

FREEZE HAZARD

Proper safety procedures must be followed, and proper protective clothing must be worn when working with liquid refrigerant.

Failure to follow these procedures could result in minor to moderate injury.

10. Recharge the system with the correct amount of refrigerant. The proper refrigerant charge will be found on the unit rating plate. The use of an accurate measuring device, such as a charging cylinder, electronic scales or similar device is necessary.

NOTICE

NEVER, under any circumstances, charge a rotary compressor through theLOW side. Doing so would cause permanent damage to the new compressor.

38

SPECIAL PROCEDURE IN THE CASE OF MOTOR

COMPRESSOR BURNOUT

WARNING

ELECTRIC SHOCK HAZARD

Turn off electric power before service or installation.

Failure to do so may result in personal injury, or death.

WARNING

HIGH PRESSURE HAZARD

SealedRefrigerationSystemcontainsrefrigerant and oil under high pressure.

Proper safety procedures must be followed, and proper protective clothing must be worn when working with refrigerants.

Failure to follow these procedures could result in serious injury or death.

WARNING

EXPLOSION HAZARD

The use of nitrogen requires a pressure regulator. Follow all safety procedures and wear protective safety clothing etc.

Failure to follow proper safety procedures result in serious injury or death.

1.Recover all refrigerant and oil from the system.

2.Remove compressor, capillary tube and fi lter drier from the system.

3.Flush evaporator condenser and all connecting tubing with dry nitrogen or equivalent. Use approved

fl ushing agent to remove all contamination from system. Inspect suction and discharge line for carbon deposits. Remove and clean if necessary. Ensure all acid is neutralized.

4.Reassemble the system, including new drier strainer and capillary tube.

5.Proceed with step 8-10on previous page.

ROUTINE MAINTENANCE

WARNING

ELECTRICAL SHOCK HAZARD!

Turn off electrical power before service or installation. All eletrical connections and wiring MUST be installed by a qualifi ed electrician and conform to the National Code and all local codes which have jurisdiction. Failure to do so can result in property damage, personal injury and/or death.

To ensure proper unit operation and life expectancy, the following maintenance procedures should be performed on a regular basis

1. Air Filter

To ensure proper unit operation, the air fi lters should be cleaned at least monthly, and more frequently if conditions warrant. The unit must be turned off before the fi lters are cleaned.

To remove the air fi lters, grasp the top of the fi lter and lift out of the front cabinet. Reverse the procedure to reinstall the fi lters.

Clean the fi lters with a mild detergent in warm water, and allow them to dry thoroughly before reinstalling.

2. Coils & Chassis

NOTE: Do not use a caustic coil cleaning agent on coils or base pan. Use a biodegradable cleaning agent and degreaser. The use of harsh cleaning materials may lead to deterioration of the aluminum fi ns or the coil end plates.

The indoor coil and outdoor coils and base pan should be inspected periodically (annually or semi-annually)and cleaned of all debris (lint, dirt, leaves, paper, etc.) as necessary. Under extreme conditions, more frequent cleaning may be required. Clean the coils and base pan with a soft brush and compressed air or vacuum.

A pressure washer may also be used, however, you must be careful not to bend the aluminum fi n pack. Use a sweeping up and down motion in the direction of the vertical aluminum fi n pack when pressure cleaning coils.

Note: It is extremely important to insure that none of the electrical and/or electronic parts of the unit get wet. Be sure to cover all electrical components to protect them from water or spray.

3. Decorative Front

The decorative front and discharge air grille may be cleaned with a mild soap or detergent. Do NOT use solvents or hydrocarbon based cleaners such as acetone, naphtha, gasoline, benzene, etc., to clean the decorative front or air discharge grilles.

Use a damp (not wet) cloth when cleaning the control area to prevent water from entering the unit, and possibly damaging the electronic control

4. Fan Motor & Compressor

The fan motor & compressor and are permanently lubricated, and require no additional lubrication.

5. Wall Sleeve

Inspect the inside of the wall sleeve and drain system periodically (annually or semi-annually)and clean as required. Under extreme conditions, more frequent cleaning may be necessary. Clean both of these areas with an antibacterial and antifungal cleaner. Rinse both items thoroughly with water and ensure that the drain outlets are operating properly.

39

TROUBLESHOOTING CHART - COOLING

REFRIGERANT SYSTEM DIAGNOSIS COOLING

PROBLEM

 

PROBLEM

 

PROBLEM

 

PROBLEM

 

 

 

 

 

 

 

LOW SUCTION PRESSURE

 

HIGH SUCTION PRESSURE

 

LOW HEAD PRESSURE

 

HIGH HEAD PRESSURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low Load Conditions

 

High Load Conditions

 

Low Load Conditions

 

High Load Conditions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low Air Flow Across

 

High Air Flow Across

 

Refrigerant System

 

Low Air Flow Across

Indoor Coil

 

Indoor Coil

 

Restriction

 

Outdoor Coil

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Refrigerant System

 

Reversing Valve not

 

Reversing Valve not

 

Overcharged

Restriction

 

Fully Seated

 

Fully Seated

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Undercharged

 

Overcharged

 

Undercharged System

 

Non-Condensables(air)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Moisture in System

 

Defective Compressor

 

Defective Compressor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TROUBLESHOOTING CHART - HEATING

REFRIGERANT SYSTEM DIAGNOSIS HEATING

PROBLEM

 

PROBLEM

 

PROBLEM

 

PROBLEM

 

 

 

 

 

 

 

LOW SUCTION PRESSURE

 

HIGH SUCTION PRESSURE

 

LOW HEAD PRESSURE

 

HIGH HEAD PRESSURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low Air Flow Across

 

Outdoor Ambient Too High

 

Refrigerant System

 

Outdoor Ambient Too High

Outdoor Coil

 

for Operation in Heating

 

Restriction

 

For Operation In Heating

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Refrigerant System

 

Reversing Valve not

 

Reversing Valve not

 

Low Air Flow Across

Restriction

 

Fully Seated

 

Fully Seated

 

Indoor Coil

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Undercharged

 

Overcharged

 

Undercharged

 

Overcharged

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Moisture in System

 

Defective Compressor

 

Defective Compressor

 

Non-Condensables(air)

 

 

 

in System

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

ELECTRICAL TROUBLESHOOTING CHART - HEAT PUMP

WARNING

ELECTRIC SHOCK HAZARD

Turn off electric power before service or installation.

Extreme care must be used, if it becomes necessary to work on equipment with power applied.

Failure to do so could result in serious injury or death.

CAUTION

BURN HAZARD

Certain unit components operate at temperatures hot enough to cause burns.

Proper safety procedures must be followed, and proper protective clothing must be worn.

Failure to do so could result in minor to moderate injury.

HEAT PUMP

SYSTEM COOLS WHEN HEATING IS DESIRED.

Is Line Voltage

 

Present at the

 

Solenoid Valve?

NO

YES

Is the Selector Switch

Set for Heat?

Is the Solenoid Coil Good?

Replace the Solenoid Coil

 

NO

YES

Reversing Valve Stuck

Replace the Reversing Valve

41

REMOTE WALL THERMOSTAT WIRING DIAGRAM

COOL WITH ELECTRIC HEAT

LEGEND FOR T-STATWIRING HARNESS

R 24 VAC Power From Unit

Y Coil for Cooling

WCall for Heat

OReversing Valve Energized in cooling mode

GL

Call for Low Fan

GH

Call for High Fan

RT6 - Two Speeds Fan T-Stat- Field Provided

------Field Wiring

THERMOSTAT CONNECTIONS

 

 

 

 

 

 

 

 

 

 

 

GH

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

GL

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

W

 

 

 

 

 

 

 

 

Wire

 

B

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

Jumper

Y

 

 

 

GL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

 

 

 

GH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RC

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

RH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

RT6

 

Disk control

EXT.

 

SW

 

 

 

 

 

or

EXT.

 

 

 

 

 

Auxillary fan

 

 

 

 

 

 

 

SW

 

 

 

 

 

 

 

 

Electronic

Control

Board

42

REMOTE WALL THERMOSTAT WIRING DIAGRAM

HEAT PUMP WITH ELECTRIC HEAT

LEGEND FOR T-STATWIRING HARNESS

R 24 VAC Power From Unit

Y Coil for Cooling

WCall for Heat

OReversing Valve Energized in cooling mode

GL

Call for Low Fan

GH

Call for High Fan

RT6 - Two Speeds Fan T-Stat- Field Provided

------Field Wiring

THERMOSTAT CONNECTIONS

 

 

 

 

 

 

 

 

 

 

 

GH

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

GL

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

W

 

 

 

 

 

 

 

 

Wire

 

B

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

Jumper

Y

 

 

 

GL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

 

 

 

GH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RC

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

RH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

RT6

 

Disk control

EXT.

 

SW

 

 

 

 

 

or

EXT.

 

 

 

 

 

Auxillary fan

 

 

 

 

 

 

 

SW

 

 

 

 

 

 

 

 

Electronic

Control

Board

43

WIRING DIAGRAM

 

5VDC

5VDC

5VDC

 

 

 

 

 

 

 

Thermistors

 

 

 

 

 

WH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BL

24VAC

 

 

 

X8

12VDC

RELAYCOMM

X7

 

HR

 

 

 

 

 

 

 

HR

 

 

Indoor

Air

Outdoor

 

 

K103

 

K104

 

 

 

 

 

 

 

Logic Board

 

 

 

 

 

 

TB

 

 

24VAC

 

 

 

 

 

CR

 

 

 

 

 

 

 

 

 

 

 

12VDC

 

 

12VAC

 

X6

RelayMain

HR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRAN

 

 

 

Board

 

 

Display

 

 

 

 

X5

 

 

 

208/230

 

 

 

HR

 

Control

 

 

 

 

 

 

265 VAC

 

 

 

 

Board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BK

 

FanIndoor

 

N4OFAN

 

 

 

 

 

YL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IM

 

BL

 

 

 

 

 

 

 

 

WH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4V

 

N3

 

 

 

 

BN

RD

 

YV

PR

 

 

 

 

PR

 

 

 

 

 

 

CAP

 

Rev Solenoid

 

 

 

 

 

 

 

WH

BL

RD

BK

BK

BN

BK

BN

OM

BN WH

RD

GRD

GR

L2

WH L1

BK

BN

L1

RD

L1

L1

RD

CAP

L2TB

RD

BL

RD

BL

BN

BN

RD

 

 

COMP

WH

 

BL

 

YL

WH

 

 

 

 

 

CAP

 

BK

BK

 

 

 

BK

L1TB

 

BN

 

 

 

BN

BK

 

 

HTR

HTR

Auto Reset

Limit

Fuse Link

COMPONENT ID

COMP = Compressor

CAP = Capacitor

HTR = Heater

TB = Terminal Block

OM = Outdoor Fan Motor

IM = Indoor Fan Motor

TRAN = Transformer

RELAY COMM = L.V. Relay Cable

CR = Compressor Relay

HR = Heater Relay

YV = Reversing Valve Solenoid

WIRE COLOR ID

BL = Blue

BN = Brown

BK = Black

RD = Red

WH = White

PR = Purple

YL = Yellow

GR = Green

44

RT6

Electronic Thermostat

6(783$'*"(9"'$:783$'*"(;00!(324$"-46(;0)5*/%'<!"($0+(=84$'*"(>"'$(./-.6(?'%*"(@&4.!'2(A&$>(B'#C!&*>$ 6(3"!"#$'<!"(D'>%")>"&$(0%(;"!4&/4

Installation, Operation & Application Guide

Parts Diagram

X0 I36697

W9V7 I36697

 

N

&

OP OQ JRL S

T

 

 

 

 

N2CD6 'K.7-

 

 

 

 

I36697

NYZY[

&J\=]O

 

 

 

 

 

 

 

P4K6 'BGB64/-

 

 

 

 

I36697

N4B46

&97UC35.6297

 

P9RQ2 K.7

BV26FD

BV26FD

 

BV26FD

Icon Descriptions

=.7 9045.6297

2F97

N99/ 64/045.6354

9KKB46 .F62^.64:

 

 

&99827C 9045.6297

2F97

&JJP

 

Q4.627C 9045.6297

2F97

QY%[

 

 

Q4.6 B46 09276 VD47 I827M27C

 

&998 B46 09276 VD47 I827M27C

 

Specifications

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!( ./0 /.12/3/ 045 645/27.8

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,"%-&)'$&0)4+ NE &E OPE OQE JRLE SE T

Important Safety Information

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.7: F.3B4 045B97.8 27b3524B

!XB4 6D2B 6D45/9B6.6 978G .B :4BF52I4: 27 6D2B /.73.8

Package Contents/Tools Required

E'#C'*"(&)#!/F"4+ G,H 6D45/9B6.6 97 I.B4E 6D45/9B6.6 F9^45E V2527C 8.I48BE BF54VB .7: V.88 .7FD95BE ]7B6.88.6297E J045.6297 .7: %0082F.6297 O32:4

,00!4(%"I/&%"F(J0%(&)4$'!!'$&0)+ W5288 V26D +R(_` I26E D.//45E BF54V:52^45

To Remove Existing Thermostat

? ;,GO;1?(39P;Q(91R1G@(S(,/%)(0JJ(.0K"%('$($>"(-'&)(4"%M"(.')"!(<2(%"-0M&)*($>"(J/4"( 0%(4K&$#>&)*($>"('..%0.%&'$"(#&%#/&$(<%"'C"%($0($>"(PDD(.04&$&0)(<"J0%"(%"-0M&)*($>"("T&4$&)*($>"%-04$'$N

(A [357 9KK 09V45 69 6D4 D4.627C .7: F99827C BGB64/ IG 54/9^27C 6D4 K3B4 95 BV26FD27C 6D4 .0059052.64 F25F326 I54.M45 9KKA

"A N4/9^4 F9^45 9K 98: 6D45/9B6.6A [D2B BD938: 4109B4 6D4 V254BA

+A P.I48 6D4 412B627C V254B V26D 6D4 47F89B4: V254 8.I48B I4K954 54/9^27C V254BA #A %K645 8.I4827C V254BE 54/9^4 V254B K59/ V254 645/27.8BA

;A N4/9^4 412B627C 6D45/9B6.6 I.B4 K59/ V.88A

_A N4K45 69 6D4 K9889V27C B4F6297 K95 27B653F6297B 97 D9V 69 27B6.88 6D2B 6D45/9B6.6A

To Install Thermostat

? ;,GO;1?(39P;Q(91R1G@(S(,/%)(0JJ(.0K"%('$($>"(-'&)(4"%M"(.')"!(<2(%"-0M&)*($>"(J/4"( 0%(4K&$#>&)*($>"('..%0.%&'$"(#&%#/&$(<%"'C"%($0($>"(PDD(.04&$&0)(<"J0%"(%"-0M&)*($>"("T&4$&)*($>"%-04$'$N

 

OUEPG,1V,+ !"#$%&'(')*+&'(,,('*%+)$-&').%+/%#$)'%),%.(,)(+0)+('*%+(,)1-*,0*+2)(+0)",".'#*.(,).%0"&)(+0)

 

%#0*+(+."&3)

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Wiring Diagrams

 

 

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P9V =.7

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Q2CD =.7

OQ

 

Q2CD =.7

OQ

 

 

JRL

 

N4^45B27C $.8^4

JRL

 

&998

S

 

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Q4.6

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%31282.5G Q4.6

T

Terminal Designator Descriptions

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OQ f Q2CD K.7

RT6 Output Chart

 

Configuration

1ST Cool

1ST Heat

2ND Heat

Q4.6R&998 .7: B27C84 B6.C4 Qc /9:48B

YP&

SE O

TE OE L

\R%

 

 

 

 

 

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Configuration Mode

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X0

 

 

 

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W9V7

 

 

 

I36697

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P4K6

N2CD6

 

 

I36697

I36697

[9 4126 F97UC35.6297 /9:4E 054BB 6D4 ;PVDOZ BV26FD K95 ( B4F97:A

 

 

45

Configuration Mode Settings

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<8# 9+!$4#L#9"%#+,)#!"0%#'&;'M#*,*N!"0%#'&;'M#)"A")$1*/#A04A"#,'")0%1,*

 

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B/0$%/081&E,%$6+

 

 

 

 

 

 

 

 

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C$"!&G)4*&'.69

 

 

 

 

 

 

 

 

 

#

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Mode of Operation

!"#:3;#1$#0#<N$%0/"#,)#HN$%0/"#!"0%#%!");,$%0%8#R%#+&*(%1,*$#51%!#01)#(,*31%1,*1*/M#!"0%#'&;'$M#,)#"4"(%)1(#!"0%# $:$%";$8#

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S!"*#%!"#),,;#%";'")0%&)"#1$#/)"0%")#%!0*#%!"#$"%#(,,4#%";'")0%&)"#D@:#%!"#31++")"*%104#%";'")0%&)"GM#%!"#(,,41*/# 3"A1("#1$#0(%1A0%"38# !"#:3;#5144#$%,'#,&%'&%%1*/#5!"*#%!"#(044#+,)#(,,41*/#1$#$0%1$."38# !"#%!");,$%0%#5144#*,%#4"%#%!"# (,;')"$$,)#(,;"#,*#+,)#C#;1*&%"$#0+%")#1%#%&)*$#,++8# !1$#'),%"(%$#:,&)#(,;')"$$,)8

!"#:3;#!0$#%!)""#',$$1@4"#,'")0%1*/#;,3"$6#'BBM#C$"!M#0*3#D,,6&;,3"8#R*#,++#;,3"M#%!"#%!");,$%0%#5144#*,%#%&)*# ,*#!"0%1*/#,)#(,,41*/#3"A1("$8# !"#;0*&04#+0*#(0*#@"#%&)*"3#,*#1*#044#,'")0%1*/#;,3"$#&$1*/#%!"#+0*#@&%%,*8#R*#!"0%# ;,3"M#%!"#%!");,$%0%#(,*%),4$#%!"#!"0%1*/#$:$%";8#R*#%!"#(,,4#;,3"M#%!"#%!");,$%0%#(,*%),4$#%!"#(,,41*/#$:$%";8#

Button Functions

F*#@&%%,*

5,-.#@&%%,*

< %";#D4"+%G

B@=#D)1/!%G

FG#L#b$"3#%,#1*()"0$"#%!"#$"%#%";'")0%&)"$#0*3#%,#03`&$%#(,*./&)0%1,*#$"%%1*/$8#

5'H=#L#b$"3#%,#3"()"0$"#%!"#$"%#%";'")0%&)"$#0*3#%,#03`&$%#(,*./&)0%1,*#$"%%1*/$8

< &I6$(!J#L#b$"3#%,#(!0*/"#+),;#OFFM#P^WM#0*3#-OOV#;,3"$

B@=&I/0#1!J#L#b$"3#%,#%&)*#,*#0*3#,++#%!"#1*3,,)#+0*8

46

Operating Modes

!")"#0)"#+,&)#',$$1@4"#,'")0%1*/#;,3"$#+,)#%!"#:3;8#O++M#P"0%M#0*3#-,,4#;,3"$#0)"#0(("$$"3#@:#')"$$1*/#%!"#< # D4"+%G#@&%%,*8

OFF MODE

Q# R*#%!1$#;,3"M#%!"#%!");,$%0%#5144#*,%#%&)*#,*#%!"#!"0%1*/#,)#(,,41*/#3"A1("$

#=,!$># !"#$%&''(#)*%#+*%#,"#-.(%"'%#/*%.*001#$%#"2"(1#'3"(*-$%4#/'&"#,1#3("55$%4#-!"#!,-#6($4!-7#,.--'%8#!"#9'(!,-$5!'95#'%#-!"#&$530*1#*%-!"#)*%#$+'%##*33"*(5#9!"%#-!"#)*%#'3"(*-"58

.!!

HEATMODE

 

Q# R*#%!1$#;,3"M#%!"#%!");,$%0%#(,*%),4$#%!"#!"0%1*/#$:$%";8#S!"*#%!"#!"0%#,&%'&%$M#

%!"#T0;"#1(,*#

#0'')"0)$#,*#%!"#31$'40:8

#=,!$>#:'(#!"*-#3./35;#-!"("#$5#*#)'.(#/$%.-"#&"0*1#)'(#1'.(#+'/3("55'(#-'#

("5-*(-#*)-"(#$-#!*5#-.(%"'))8#'#,13*55#-!"#+'/3("55'(#-$/"#&"0*1;#4'#-'#

<::#/'&"#)'(#=#5"+'%&58

COOLMODE

Q# R*#%!1$#;,3"M#%!"#%!");,$%0%#(,*%),4$#%!"#(,,41*/#$:$%";8#S!"*#%!"#(,,41*/# ,&%'&%$M#%!"#$*,5T0U"#1(,*##0'')"0)$#,*#%!"#31$'40:8

#=,!$># !"("#$5#*#)'.(#/$%.-"#&"0*1#)'(#1'.(#+'/3("55'(#-'#("5-*(-#*)-"(#$-#!*5#-.(%"'))8#'#,13*55#-!"#+'/3("55'(#-$/"#&"0*1;#4'#-'#<::#/'&"#)'(#=#5"+'%&58

Set Point Adjustment

HEATSETPOINT

Q# b$"#%!"#9c9#@&%%,*#%,#$"4"(%#P"0%#2,3"8#?)"$$#%!"#&'#,)#3,5*#@&%%,*#%,#A1"5#%!"# (&))"*%#!"0%#$"%#',1*%#40)/")#,*#%!"#31$'40:8#S!"*#%!"#40)/"#$"%#',1*%#1$#31$'40:"3M# %!"#P^W #1(,*#5144#@41*U8# !"#&'#,)#3,5*#@&%%,*$#(0*#@"#&$"3#%,#03`&$%#%!"#$"%# ',1*%8#W+%")#7#$"(,*3$#,+#1*0(%1A1%:#%!"#$()""*#5144#31$'40:#%!"#),,;#%";'")0%&)"#0*3#

%!"#P^W #1(,*#5144#*,%#@41*U8

%/,0$12"($31))$4)1(56

COOLSETPOINT

Q# b$"#%!"#9c9#@&%%,*#%,#$"4"(%#-,,4#2,3"8#?)"$$#%!"#&'#,)#3,5*#@&%%,*#%,#A1"5#%!"#(&))"*%#(,,4#$"%#',1*%#40)/")#,*#%!"#31$'40:8#S!"*#%!"#40)/"#$"%#',1*%#1$#31$'40:"3M#%!"#-OOV#1(,*#5144#@41*U8#!"#&'#,)#3,5*#@&%%,*$#(0*#@"#&$"3#%,#03`&$%#%!"#$"%# ',1*%8#W+%")#7#$"(,*3$#,+#1*0(%1A1%:#%!"#$()""*#5144#31$'40:#%!"#),,;#%";'")0%&)"#0*3#

%!"#-OOV#1(,*#5144#*,%#@41*U8

7..8$12"($31))$4)1(56

Testing the Thermostat

O*("#%!"#%!");,$%0%#1$#(,*./&)"3M#1%#$!,&43#@"#%!,),&/!4:#%"$%"38

!"#$%&'(6# j,#*,%#"*")/1k"#%!"#01)#(,*31%1,*1*/#$:$%";#5!"*#%!"#,&%3,,)#%";'")0%&)"#1$#@"4,5#7># 3"/)""$8#R%#(0*#)"$&4%#1*#"f&1';"*%#30;0/"#,)#'")$,*04#1*`&):8

HEATTEST

<8#?)"$$# < #D4"+%G#@&%%,*#&*%14#!"0%#;,3"#1$#31$'40:"38

H8#W3`&$%#%!"#$"%#%";'")0%&)"#$,#1%#1$#7#3"/)""$#0@,A"#%!"#),,;#%";'")0%&)"8

I8#P"0%#$!,&43#(,;"#,*#51%!1*#0#+"5#$"(,*3$8#

C8#W3`&$%#%!"#$"%#%";'")0%&)"#H#3"/)""$#@"4,5#%!"#),,;#%";'")0%&)"#0*3#%!"#!"0%#

$!,&43#%&)*#,++8# !")"#;0:#@"#0#+0*#3"40:#,*#:,&)#$:$%";8

#=,!$>#F,)#!"0%#'&;'$M#%!")"#1$#0#+,&)N;1*&%"#3"40:#%,#'),%"(%#:,&)#(,;')"$$,)#0+%")#1%#%&)*$#,++8# ,#@:'0$$#%!"# (,;')"$$,)#%1;"#3"40:M#/,#%,#OFF#;,3"#+,)#7#$"(,*3$8

COOLTEST

 

<8# ?)"$$# < #D4"+%G#@&%%,*#&*%14#(,,4#;,3"#1$#31$'40:"38#

 

H8# W3`&$%#$"%#%";'")0%&)"#$,#1%#1$#7#3"/)""$#@"4,5#),,;#%";'")0%&)"8

 

I8# Wl-#$!,&43#(,;"#,*#51%!1*#0#+"5#$"(,*3$8#

 

C8# W3`&$%#%!"#$"%#%";'")0%&)"#H#3"/)""$#0@,A"#%!"#),,;#%";'")0%&)"#0*3#%!"#Wl-##

 

$!,&43#%&)*#,++8# !")"#;0:#@"#0#+0*#3"40:#,*#:,&)#$:$%";8

 

#

#=,!$># !")"#1$#0#+,&)N;1*&%"#%1;"#3"40:#%,#'),%"(%#%!"#(,;')"$$,)#0+%")#1%#8#

,#@:'0$$#%!"#(,;')"$$,)#%1;"#

 

3"40:M#/,#%,#OFF#;,3"#+,)#7#$"(,*3$8

 

FANTEST

<8# ?)"$$#B@=#D)1/!%G#@&%%,*8#F0*#31$'40:$8#R*3,,)#+0*#%&)*$#O]8

H8# ?)"$$#B@=#D)1/!%G#@&%%,*8#R*3,,)#+0*#%&)*$#OFF8

.!!

 

Troubleshooting

 

 

Symptom

Remedy

],#31$'40:

-!"(U#+,)#HC#dW-#0%#%!");,$%0%e#31$'40:#1$#@40*U#5!"*#HC#dW-#1$#*,%#

 

')"$"*%

W44#%!");,$%0%#@&%%,*$#0)"#1*,'")0%1A"

d")1+:#HC#dW-#1$#')"$"*%e#&*1%#4,(U$#,&%#5!"*#HC#dW-#1$#*,%#')"$"*%

],#)"$',*$"#51%!#.)$%#@&%%,*#')"$$ F1)$%#@&%%,*#')"$$#0(%1A0%"$#@0(U41/!%#,*4:

!");,$%0%#%&)*$#,*#0*3#,++#%,,# W3`&$%#%";'")0%&)"#31++")"*%104## +)"f&"*%4: D$""#-,*./&)0%1,*#2,3"#9"%%1*/$#I#g#CG

F0*#)&*$#(,*%1*&,&$4: ?)"$$#FW]#D)1/!%G#@&%%,*#%,#%&)*#+0*#,++

h,,;#%";'")0%&)"#1$#*,%#(,))"(% -041@)0%"#%!");,$%0%#D$""#-,*./&)0%1,*#2,3"#9"%%1*/#<>G

P"0%#,)#-,,4#*,%#(,;1*/#,*d")1+:#51)1*/#1$#(,))"(%M#/"*%4:#'&44#,*#"0(!#51)"#%,#A")1+:#%!")"#1$#0#/,,3# (,**"(%1,*#0%#%");1*04#@4,(U

P^W #@41*U1*/

R*#!"0%#$"%#',1*%#$()""*

 

 

-OOV#@41*U1*/

R*#(,,4#$"%#',1*%#$()""*

?),@4";#*,%#41$%"3#0@,A" ?)"$$#h"$"%#@&%%,*#,*("i

K&:$+$!&L)!!,.&B).8!0,.6#@$530*1#$5#(")("5!"&;#+'%A4.(*-$'%#5"--$%45#*("#.%+!*%4"&8

F)1"3)1(!#W1)#-,*31%1,*1*/#-,8?,$%#O+.("#Y,B#<7C>#Q#90*#W*%,*1,M# "B0$#Z[H\7N<7C> CH>>#]8#?0*#W;#^B')"$$50:#Q#90*#W*%,*1,M# "B0$#Z[H<[N7H<H DH<>G#I7ZNCC>>#Q#FW_#DH<>G#I7ZNCC[>

5558+)1"3)1(!8(,;

VRWF<HX

Resistance Table for Air Indoor Temperature Sensor

Temp.

Resistance

"

Temp.

Resistance

"

Temp.

Resistance

"

Temp.

Resistance

F!

k !

 

F!

k !

 

F!

k !

 

F!

k !

-19

138.100

"

20

18.750

"

59

3.848

"

98

1.071

-18

128.600

"

21

17.930

"

60

3.711

"

99

1.039

-17

121.600

"

22

17.140

"

61

3.579

"

100

1.009

-16

115.000

"

23

16.390

"

62

3.454

"

101

0.980

-15

108.700

"

24

15.680

"

63

3.333

"

102

0.952

-14

102.900

"

25

15.000

"

64

3.217

"

103

0.925

-13

97.400

"

26

14.360

"

65

3.105

"

104

0.898

-12

92.220

"

27

13.740

"

66

2.998

"

105

0.873

-11

87.350

"

28

13.160

"

67

2.896

"

106

0.848

-10

82.750

"

29

12.600

"

68

2.797

"

107

0.825

-9

78.430

"

30

12.070

"

69

2.702

"

108

0.802

-8

74.350

"

31

11.570

"

70

2.611

"

109

0.779

-7

70.500

"

32

11.090

"

71

2.523

"

110

0.758

-6

66.880

"

33

10.630

"

72

2.439

"

111

0.737

-5

63.460

"

34

10.200

"

73

2.358

"

112

0.717

-4

60.230

"

35

9.779

"

74

2.280

"

113

0.697

-3

57.180

"

36

9.382

"

75

2.206

"

114

0.678

 

 

 

 

 

 

 

 

 

 

 

-2

54.310

"

37

9.003

"

76

2.133

"

115

0.660

-1

51.590

"

38

8.642

"

77

2.064

"

116

0.642

 

 

 

 

 

 

 

 

 

 

 

0

49.020

"

39

8.297

"

78

1.997

"

117

0.625

 

 

 

 

 

 

 

 

 

 

 

1

46.600

"

40

7.967

"

79

1.933

"

118

0.608

2

44.310

"

41

7.653

"

80

1.871

"

119

0.592

3

42.140

"

42

7.352

"

81

1.811

"

120

0.577

4

40.090

"

43

7.065

"

82

1.754

"

121

0.561

5

38.150

"

44

6.791

"

83

1.699

"

122

0.547

6

36.320

"

45

6.529

"

84

1.645

"

123

0.532

7

34.580

"

46

6.278

"

85

1.594

"

124

0.519

8

32.940

"

47

6.038

"

86

1.544

"

125

0.505

9

31.380

"

48

5.809

"

87

1.497

"

126

0.492

10

29.900

"

49

5.589

"

88

1.451

"

127

0.480

11

28.510

"

50

5.379

"

89

1.408

"

128

0.467

12

27.180

"

51

5.197

"

90

1.363

"

129

0.456

13

25.920

"

52

4.986

"

91

1.322

"

130

0.444

14

24.730

"

53

4.802

"

92

1.282

"

131

0.433

15

23.600

"

54

4.625

"

93

1.244

"

132

0.422

16

22.530

"

55

4.456

"

94

1.207

"

133

0.412

17

21.510

"

56

4.294

"

95

1.171

"

134

0.401

18

20.540

"

57

4.139

"

96

1.136

"

135

0.391

19

19.630

"

58

3.990

"

97

1.103

"

136

0.382

47

Resistance Table for Frost Protection Indoor and Outdoor Temperature Sensors

Temp.

Resistance

"

Temp.

Resistance

"

Temp.

Resistance

"

Temp.

Resistance

 

 

 

 

 

 

 

 

F!

k !

 

F!

k !

 

F!

k !

 

F!

k !

 

 

 

 

 

 

 

 

 

 

 

-19

181.400

"

20

25.010

"

59

5.130

"

98

1.427

-18

171.400

"

21

23.900

"

60

4.948

"

99

1.386

-17

162.100

"

22

22.850

"

61

4.773

"

100

1.346

-16

153.300

"

23

21.850

"

62

4.605

"

101

1.307

-15

145.000

"

24

20.900

"

63

4.443

"

102

1.269

-14

137.200

"

25

20.000

"

64

4.289

"

103

1.233

-13

129.900

"

26

19.140

"

65

4.140

"

104

1.198

-12

123.000

"

27

18.130

"

66

3.998

"

105

1.164

-11

116.500

"

28

17.550

"

67

3.861

"

106

1.131

-10

110.300

"

29

16.800

"

68

3.729

"

107

1.099

-9

104.600

"

30

16.100

"

69

3.603

"

108

1.069

-8

99.130

"

31

15.430

"

70

3.481

"

109

1.039

-7

94.000

"

32

14.790

"

71

3.364

"

110

1.010

-6

89.170

"

33

14.180

"

72

3.252

"

111

0.983

-5

84.610

"

34

13.590

"

73

3.144

"

112

0.956

-4

80.310

"

35

13.040

"

74

3.040

"

113

0.930

-3

76.240

"

36

12.510

"

75

2.940

"

114

0.904

-2

72.410

"

37

12.000

"

76

2.844

"

115

0.880

-1

68.790

"

38

11.520

"

77

2.752

"

116

0.856

0

65.370

"

39

11.060

"

78

2.663

"

117

0.833

1

62.130

"

40

10.620

"

79

2.577

"

118

0.811

2

59.080

"

41

10.200

"

80

2.495

"

119

0.770

3

56.190

"

42

9.803

"

81

2.415

"

120

0.769

4

53.460

"

43

9.420

"

82

2.339

"

121

0.746

5

50.870

"

44

9.054

"

83

2.265

"

122

0.729

6

48.420

"

45

8.705

"

84

2.194

"

123

0.710

7

46.110

"

46

8.370

"

85

2.125

"

124

0.692

8

43.920

"

47

8.051

"

86

2.059

"

125

0.674

9

41.840

"

48

7.745

"

87

1.996

"

126

0.658

10

39.870

"

49

7.453

"

88

1.934

"

127

0.640

11

38.010

"

50

7.173

"

89

1.875

"

128

0.623

12

36.240

"

51

6.905

"

90

1.818

"

129

0.607

13

34.570

"

52

6.648

"

91

1.736

"

130

0.592

14

32.980

"

53

6.403

"

92

1.710

"

131

0.577

15

31.470

"

54

6.167

"

93

1.658

"

132

0.563

16

30.040

"

55

5.942

"

94

1.609

"

133

0.549

17

28.680

"

56

5.726

"

95

1.561

"

134

0.535

 

 

 

 

 

 

 

 

 

 

 

18

27.390

"

57

5.519

"

96

1.515

"

135

0.521

19

26.170

"

58

5.320

"

97

1.470

"

136

0.509

48

Friedrich Air Conditioning Company

10001 Reunion Place, Suite 500

San Antonio, TX 78216

800.541.6645

www.friedrich.com

PD-SERIES

PACKAGED TERMINAL AIR CONDITIONERS

LIMITED WARRANTY

SAVE THIS CERTIFICATE. It gives you specific rights. You may also have other rights which may vary from state to state and province to province.

In the event that your unit needs servicing, contact your nearest authorized service center. If you do not know the nearest service center, ask the company that installed your unit or contact us - see address and telephone number above. To obtain service and/or warranty parts replacement, you must notify an authorized FRIEDRICH Air Conditioning Co. service center, distributor, dealer, or contractor of any defect within the applicable warranty period.

When requesting service: please have themodel andserial number from your unit readily available.

Unless specified otherwise herein, the following applies:

FRIEDRICH PACKAGED TERMINAL AIR CONDITIONERS AND HEAT PUMPS

LIMITED WARRANTY - FIRST YEAR (Twelve (12) months from the date of installation). Any part found to be defective in the material or workmanship will be repaired or replaced free of charge by our authorized service center during the normal working hours; and

LIMITED WARRANTY - SECOND THROUGH FIFTH YEAR (Sixty (60) months from the date of installation). ON THE SEALED REFRIGERATION SYSTEM. Any part of the sealed refrigeration system that is defective in material or workmanship will be repaired or replaced free of charge (excluding freight charges) by our authorized service center during normal working hours. The sealed refrigeration system consists of the compressor, metering device, evaporator, condenser, reversing valve, check valve, and the interconnecting tubing.

These warranties apply only while the unit remains at the original site and only to units installed inside the continental United States, Alaska, Hawaii, Puerto Rico, Mexico and Canada. The warranty applies only if the unit is installed and operated in accordance with the printed instructions and in compliance with applicable local installation and building codes and good trade practices. For international warranty information, contact the Friedrich Air Conditioning Company - International Division.

Any defective part to be replaced must be made available to FRIEDRICH in exchange for the replacement part. Reasonable proof must be presented to establish the date of install, otherwise the beginning date of this certificate will be considered to be our shipment date plus sixty days. Replacement parts can be new or remanufactured. Replacement parts and labor are only warranted for any unused portion of the unit’s warranty.

We will not be responsible for and the user will pay for:

1.Service calls to:

A)Instruct on unit operation. B) Replace house fuses or correct house wiring. C) Clean or replace air filters. D) Remove the unit from its installed location when not accessible for service required. E) Correct improper installations.

2.Parts or labor provided by anyone other than an authorized service center.

3.Damage caused by:

A)Accident, abuse, negligence, misuse, riot, fire, flood, or acts of God. B) Operating the unit where there is a corrosive atmosphere containing chlorine, fluorine, or any damaging chemicals (other than in a normal residential environment). C) Unauthorized alteration or repair of the unit, which in turn affects its stability or performance. D) Failing to provide proper maintenance and service. E) Using an incorrect power source. F) Faulty installation or application of the unit.

We shall not be liable for any incidental, consequential, or special damages or expenses in connection with any use or failure of this unit. We have not made and do not make any representation or warranty of fitness for a particular use or purpose and there is no implied condition of fitness for a particular use or purpose. We make no expressed warranties except as stated in this certificate. No one is authorized to change this certificate or to create for us any other obligation or liability in connection with this unit. Any implied warranties shall last for one year after the original purchase date. Some states and provinces do not allow limitations on how long an implied warranty or condition lasts, so the above limitations or exclusions may not apply to you. The provisions of this warranty are in addition to and not a modification of or subtraction from the statutory warranties and other rights and remedies provided by law.

Performance of Friedrich’s Warranty obligation is limited to one of the following methods:

1.Repair of the unit

2.A refund to the customer for the prorated value of the unit based upon the remaining warranty period of the unit.

3.Providing a replacement unit of equal value

The method of fulfillment of the warranty obligation is at the sole discretion of Friedrich Air Conditioning.

In case of any questions regarding the provisions of this warranty, the English version will govern.

(11-10)

49

50

22

36

36

1 16

17

24

53

54

 

50

 

 

 

 

 

21

 

 

 

 

 

 

23

 

 

 

 

47

 

 

 

 

 

 

 

 

 

 

 

31

30

 

 

 

 

32

33

 

 

 

 

 

 

 

 

 

 

 

42

 

 

 

 

 

34

 

 

 

14

 

 

52

 

 

15

 

5

 

 

 

 

 

 

 

28

 

 

 

 

 

 

 

4

 

12

 

 

 

 

2

 

 

 

 

 

 

 

18

 

 

 

39

 

37

 

 

 

 

11

 

 

 

 

 

 

29

 

 

 

 

 

 

7

 

 

 

20

19

 

46

 

 

 

38

 

 

57

 

 

 

 

 

 

56

 

26

 

 

 

 

13

 

 

6

 

 

 

 

 

 

 

 

10

 

 

 

 

43

 

 

 

 

35

 

55

 

 

 

 

 

 

 

 

 

 

 

 

44

3

49 27

8

51

48

45

9

25

41

 

40

VIEW EXPLODED PTAC 2011

2011 PTAC PARTS LIST - PDE MODELS

 

 

 

PDE07K3SF

PDE07R3SF

PDE09K3SF

PDE09R3SF

PDE12K3SF

PDE12R3SF

PDE15K5SF

PDE15R5SF

 

 

 

 

 

 

 

 

 

 

 

Ref. #

Description

Qty

Part #

Part #

Part #

Part #

Part #

Part #

Part #

Part #

1

Air Filter (Pair)

2

68700138

68700138

68700138

68700138

68700138

68700138

68700138

68700138

 

Air Guide

1

68700055

68700056

68700057

68700058

68700082

68700083

68700082

68700083

*

Ambient Temperature Sensor

1

68700152

68700152

68700152

68700152

68700152

68700152

68700152

68700152

3

Basepan

1

68700096

68700096

68700015

68700096

68700097

68700097

68700077

68700077

4

Bearing Cap

1

68700127

68700127

68700127

68700127

68700127

68700127

68700127

68700127

5

Bearing Support, Rubber sub-assy

1

68700147

68700147

68700147

68700147

68700147

68700147

68700147

68700147

6

Bellows Drain Valve

1

68700134

68700134

68700134

68700134

68700134

68700134

68700134

68700134

7

Bottom Inner Wall Brace

1

68700118

68700118

68700118

68700118

68700118

68700118

68700118

68700118

8

Capacitor

1

68700100

68700100

68700107

68700100

68700107

68700107

68700044

68700107

9

Capacitor, Fan

1

68700113

68700113

68700113

68700113

68700109

68700108

68700109

68700109

9

Capacitor, Fan

1

68700091

68700108

68700091

68700108

68700113

68700109

68700113

68700108

10

Capillary Tube Assy

1

68700085

68700085

68700017

68700016

68700084

68700084

68700059

68700059

11

Chassis Flange, Right

1

68700124

68700124

68700124

68700124

68700124

68700124

68700124

68700124

12

Chassis Flange, Left

1

68700125

68700125

68700125

68700125

68700125

68700125

68700125

68700125

13

Compressor Assy

1

68700050

68700049

68700001

68700004

68700047

68700048

68700005

68700006

14

Condenser Coil

1

68700081

68700081

68700102

68700102

68700102

68700102

68700080

68700080

15

Condenser Fan Blade

1

68700135

68700135

68700135

68700135

68700135

68700135

68700135

68700135

16

Control Door

1

68700145

68700145

68700145

68700145

68700145

68700145

68700145

68700145

17

Control Panel Overlay Escutcheon

1

68700158

68700158

68700158

68700158

68700158

68700158

68700158

68700158

18

Cross flow fan support, left

1

68700129

68700129

68700129

68700129

68700129

68700129

68700129

68700129

19

Cross flow fan support, right

1

68700130

68700130

68700130

68700130

68700130

68700130

68700130

68700130

20

Cross Flow Fan, Evaporator

1

68700136

68700136

68700136

68700136

68700136

68700136

68700136

68700136

21

Deck

1

68700131

68700131

68700131

68700131

68700131

68700131

68700131

68700131

22

Discharge Grille

1

68700143

68700143

68700143

68700143

68700143

68700143

68700143

68700143

23

Discharge Screen

1

68700122

68700122

68700122

68700122

68700122

68700122

68700122

68700122

24

Display Board

1

68700151

68700151

68700151

68700151

68700151

68700151

68700151

68700151

25

Electric Box Assy

1

68700028

68700030

68700032

68700034

68700036

68700038

68700040

68700042

26

Evaporator Coil

1

68700079

68700079

68700014

68700013

68700101

68700101

68700101

68700101

27

Evaporator Foam Drain Tray

1

68700141

68700141

68700141

68700141

68700141

68700141

68700141

68700141

28

Fan Motor, Condenser

1

68700087

68700088

68700087

68700088

68700078

68700086

68700078

68700086

29

Fan Motor, Evaporator

1

68700072

68700073

68700070

68700071

68700089

68700090

68700089

68700090

30

Fan Shroud + Motor Mount

1

68700137

68700137

68700137

68700137

68700137

68700137

68700137

68700137

31

Fresh Air Door

1

68700121

68700121

68700121

68700121

68700121

68700121

68700121

68700121

32

Fresh Air Door Cable

1

68700133

68700133

68700133

68700133

68700133

68700133

68700133

68700133

33

Fresh Air Door Filter

1

68700139

68700139

68700139

68700139

68700139

68700139

68700139

68700139

34

Fresh Air Door Lever

1

68700148

68700148

68700148

68700148

68700148

68700148

68700148

68700148

35

Front Panel Assy (Complete)

1

68700144

68700144

68700144

68700144

68700144

68700144

68700144

68700144

36

Front Panel clip

2

68700128

68700128

68700128

68700128

68700128

68700128

68700128

68700128

37

Heater

1

68700074

68700075

68700098

68700099

68700098

68700099

68700098

68700099

38

Heater Wiring Block Board

1

68700126

68700126

68700126

68700126

68700126

68700126

68700126

68700126

39

Inner Wall assy

1

68700115

68700115

68700115

68700115

68700115

68700115

68700115

68700115

40

Junction box

1

68700120

68700120

68700120

68700120

68700120

68700120

68700120

68700120

41

Junction lid

1

68700117

68700117

68700117

68700117

68700117

68700117

68700117

68700117

42

Lower cover of Fresh Air Door Lever

1

68700150

68700150

68700150

68700150

68700150

68700150

68700150

68700150

44

Relay board

1

68700105

68700105

68700105

68700105

68700105

68700105

68700105

68700105

45

Logic board

1

68700103

68700104

68700103

68700104

68700103

68700104

68700103

68700104

46

Motor Bracket, Indoor

1

68700123

68700123

68700123

68700123

68700123

68700123

68700123

68700123

*

Overload Protector

1

68700052

68700051

n/a

68700162

68700053

68700161

68700010

68700009

47

Shroud Brace

2

68700119

68700119

68700119

68700119

68700119

68700119

68700119

68700119

*

Temperature Sensor

1

68700110

68700110

68700110

68700110

68700110

68700110

68700110

68700110

48

Terminal Board, Input power

2

68700156

68700156

68700156

68700156

68700156

68700156

68700156

68700156

49

Thermal baffle

1

68700132

68700132

68700132

68700132

68700132

68700132

68700132

68700132

50

Top Cover Plate Sub-Assy

1

68700116

68700116

68700116

68700116

68700116

68700116

68700116

68700116

51

Transformer

1

68700112

68700111

68700112

68700111

68700112

68700111

68700112

68700111

*

Tube Thermistor

1

68700153

68700153

68700153

68700153

68700153

68700153

68700153

68700153

52

Upper cover of Fresh Air Door Lever

1

68700149

68700149

68700149

68700149

68700149

68700149

68700149

68700149

53

Wiring Terminal, 2 position 24VAC

1

68700154

68700154

68700154

68700154

68700154

68700154

68700154

68700154

54

Wiring Terminal, 7 position 24VAC

1

68700155

68700155

68700155

68700155

68700155

68700155

68700155

68700155

55

Compressor Grommets

3

68700046

68700046

68700046

68700046

68700046

68700046

68700046

68700076

51

2011 PTAC PARTS LIST - PDH MODELS

 

 

 

PDH07K3SF

PDH07R3SF

PDH09K3SF

PDH09R3SF

PDH12K3SF

PDH12R3SF

PDH15K5SF

PDH15R5SF

 

 

 

 

 

 

 

 

 

 

 

Ref. #

Description

Qty

Friedrich #

Friedrich #

Friedrich #

Friedrich #

Friedrich #

Friedrich #

Friedrich #

Friedrich #

1

Air Filter (Pair)

2

68700138

68700138

68700138

68700138

68700138

68700138

68700138

68700138

2

Air Guide

1

68700055

68700056

68700057

68700058

68700082

68700083

68700082

68700083

*

Ambient Temperature Sensor

1

68700152

68700152

68700152

68700152

68700152

68700152

68700152

68700152

3

Basepan

1

68700096

68700096

68700097

68700097

68700097

68700097

68700160

68700077

4

Bearing Cap

1

68700127

68700127

68700127

68700127

68700127

68700127

68700127

68700127

5

Bearing Support, Rubber sub-assy

1

68700147

68700147

68700147

68700147

68700147

68700147

68700147

68700147

6

Bellows Drain Valve

1

68700134

68700134

68700134

68700134

68700134

68700134

68700134

68700134

7

Bottom Inner Wall Brace

1

68700118

68700118

68700118

68700118

68700118

68700118

68700118

68700118

8

Capacitor

1

68700100

68700100

68700107

68700100

68700107

68700107

68700043

68700107

9

Capacitor, Fan

1

68700113

68700113

68700113

68700113

68700109

68700108

68700109

68700109

9

Capacitor, Fan

1

68700091

68700108

68700091

68700108

68700113

68700109

68700113

68700108

10

Capillary Tube Assy

1

68700085

68700085

68700060

68700060

68700084

68700084

68700018

68700019

11

Chassis Flange, Left

1

68700124

68700124

68700124

68700124

68700124

68700124

68700124

68700124

12

Chassis Flange, Right

1

68700125

68700125

68700125

68700125

68700125

68700125

68700125

68700125

13

Compressor Assy

1

68700050

68700049

68700002

68700003

68700047

68700048

68700007

68700008

14

Condenser Coil

1

68700081

68700081

68700102

68700102

68700102

68700102

68700080

68700080

15

Condenser Fan Blade

1

68700135

68700135

68700135

68700135

68700135

68700135

68700135

68700135

16

Control Door

1

68700145

68700145

68700145

68700145

68700145

68700145

68700145

68700145

17

Control Panel Overlay Escutcheon

1

68700158

68700158

68700158

68700158

68700158

68700158

68700158

68700158

18

Cross flow fan support, left

1

68700129

68700129

68700129

68700129

68700129

68700129

68700129

68700129

19

Cross flow fan support, right

1

68700130

68700130

68700130

68700130

68700130

68700130

68700130

68700130

20

Cross Flow Fan, Evaporator

1

68700136

68700136

68700136

68700136

68700136

68700136

68700136

68700136

21

Deck

1

68700131

68700131

68700131

68700131

68700131

68700131

68700131

68700131

22

Discharge Grille

1

68700143

68700143

68700143

68700143

68700143

68700143

68700143

68700143

23

Discharge Screen

1

68700122

68700122

68700122

68700122

68700122

68700122

68700122

68700122

24

Display Board

1

68700151

68700151

68700151

68700151

68700151

68700151

68700151

68700151

25

Electric Box Assy

1

68700029

68700031

68700033

68700035

68700037

68700039

68700041

68700027

26

Evaporator Coil

1

68700079

68700079

68700054

68700054

68700101

68700101

68700101

68700101

27

Evaporator Foam Drain Tray

1

68700141

68700141

68700141

68700141

68700141

68700141

68700141

68700141

28

Fan Motor, Condenser

1

68700087

68700088

68700087

68700088

68700078

68700086

68700089

68700086

29

Fan Motor, Evaporator

1

68700072

68700073

68700070

68700071

68700089

68700090

68700026

68700090

30

Fan Shroud + Motor Mount

1

68700137

68700137

68700137

68700137

68700137

68700137

68700137

68700137

31

Fresh Air Door

1

68700121

68700121

68700121

68700121

68700121

68700121

68700121

68700121

32

Fresh Air Door Cable

1

68700133

68700133

68700133

68700133

68700133

68700133

68700133

68700133

33

Fresh Air Door Filter

1

68700139

68700139

68700139

68700139

68700139

68700139

68700139

68700139

34

Fresh Air Door Lever

1

68700148

68700148

68700148

68700148

68700148

68700148

68700148

68700148

35

Front Panel Assy (Complete)

1

68700144

68700144

68700144

68700144

68700144

68700144

68700144

68700144

36

Front Panel clip

2

68700128

68700128

68700128

68700128

68700128

68700128

68700128

68700128

37

Heater

1

68700074

68700075

68700098

68700099

68700098

68700099

68700098

68700099

38

Heater Wiring Block Board

1

68700126

68700126

68700126

68700126

68700126

68700126

68700126

68700126

39

Inner Wall assy

1

68700115

68700115

68700115

68700115

68700115

68700115

68700115

68700115

40

Junction box

1

68700120

68700120

68700120

68700120

68700120

68700120

68700120

68700120

41

Junction lid

1

68700117

68700117

68700117

68700117

68700117

68700117

68700117

68700117

42

Lower cover of Fresh Air Door Lever

1

68700150

68700150

68700150

68700150

68700150

68700150

68700150

68700150

43

Solenoid Coil

1

68700093

68700092

68700093

68700092

68700093

68700092

68700093

68700092

44

Relay board

1

68700106

68700106

68700106

68700106

68700106

68700106

68700106

68700106

45

Logic board

1

68700103

68700104

68700103

68700104

68700103

68700104

68700103

68700104

46

Motor Bracket, Indoor

1

68700123

68700123

68700123

68700123

68700123

68700123

68700123

68700123

*

Overload Protector

1

68700052

68700051

68700012

n/a

68700053

n/a

n/a

68700011

47

Shroud Brace

2

68700119

68700119

68700119

68700119

68700119

68700119

68700119

68700119

48

Terminal Board, Input power

2

68700156

68700156

68700156

68700156

68700156

68700156

68700156

68700156

49

Thermal baffle

1

68700132

68700132

68700132

68700132

68700132

68700132

68700132

68700132

50

Top Cover Plate Sub-Assy

1

68700116

68700116

68700116

68700116

68700116

68700116

68700116

68700116

51

Transformer

1

68700112

68700111

68700112

68700111

68700112

68700111

68700112

68700111

*

Tube Thermistor

2

68700153

68700153

68700153

68700153

68700153

68700153

68700153

68700153

52

Upper cover of Fresh Air Door Lever

1

68700149

68700149

68700149

68700149

68700149

68700149

68700149

68700149

53

Wiring Terminal, 2 position 24VAC

1

68700154

68700154

68700154

68700154

68700154

68700154

68700154

68700154

54

Wiring Terminal, 7 position 24VAC

1

68700155

68700155

68700155

68700155

68700155

68700155

68700155

68700155

55

Compressor Gasket

3

n/a

n/a

n/a

n/a

n/a

n/a

68700045

68700076

56

4-wayReversing Valve Assy

1

68700094

68700094

68700094

68700094

68700095

68700095

68700095

68700095

56

4-wayReversing Valve Assy

1

68700062

68700062

68700063

68700063

68700061

68700061

68700020

68700021

52

FRIEDRICH AIR CONDITIONING CO.

10001 Reunion Place, Ste. 500, San Antonio, TX 78216

P 210-546-0500| F210-546-0731www.friedrich.com

Printed in the U.S.A.

PD-ServMan-E(2-11)