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Important Note to the Owner Regarding 

Product Warranty

Your warranty certificate is supplied as a separate document with 
the unit installed by your contractor. Read the limited warranty 
certificate carefully to determine what is and is not covered. Keep 
the warranty certificate in a safe place. If you are unable to locate 
the warranty certificate, please contact your installing contractor, 
or contact customer service at 1-866-944-7575 to obtain a copy.

To receive the 10-Year Parts Limited Warranty, online registration 
must be completed within 60 days of installation. Online 
registration is not required in California or Quebec.

Product limited warranty certificates for models currently in 
production can be viewed at www.whirlpoolhvac.com. If your 
model is not currently in production or does not appear on the 
website, please contact your installing contractor or contact 
customer service at 1-866-944-7575 to obtain a copy of your 
warranty certificate.

To register your unit, go to www.whirlpoolhvac.com. Click on the 
manufacturer’s Comfort Commitment

TM

 Warranty link located at 

the bottom center of the home page. Next, click on the Click 
Here to Register Your Product link located at the top center of the 
page, and complete the forms in the manner indicated.

Shipping Inspection

Always keep the unit upright; laying the unit on its side or top 
may cause equipment damage. Shipping damage and 
subsequent investigation is the responsibility of the carrier. Verify 
the model number, specifications, electrical characteristics and 
accessories are correct prior to installation. The distributor or 
manufacturer will not accept claims from dealers for 
transportation damage or installation of incorrectly shipped units.

Codes and Regulations

This product is designed and manufactured to comply with 
national codes. Installation in accordance with such codes and/ 
or prevailing local codes/regulations is the responsibility of the 
installer. The manufacturer assumes no responsibility for 
equipment installed in violation of any codes or regulations.

The United States Environmental Protection Agency (EPA) has 
issued various regulations regarding the introduction and 
disposal of refrigerants. Failure to follow these regulations may 
harm the environment and can lead to the imposition of 
substantial fines. Should you have any questions please contact 
the local office of the EPA.

If replacing a condensing unit or air handler, the system must be 
manufacturer-approved and Air Conditioning, Heating and 
Refrigeration Institute (AHRI) matched. 

NOTE: Installation of unmatched systems is not allowed.

Operating the unit in a structure that is not complete (either as 
part of new construction or renovation) will void the warranty.

Installation Clearances

Special consideration must be given to the location of the heat 
pump(s) in regard to structures, obstructions, other units and any/
all other factors that may interfere with air circulation. Where 
possible, the top of the unit should be completely unobstructed; 
however, if vertical conditions require placement beneath an 
obstruction, there should be a minimum of 60" (152 cm) between 
the top of the unit and the obstruction(s). The specified dimensions 
meet requirements for air circulation only. Consult all appropriate 
regulatory codes prior to determining final clearances.

Another important consideration in selecting a location for the 
unit(s) is the angle to obstructions. Either side adjacent the valves 
can be placed toward the structure provided the side away from 
the structure maintains minimum service clearance. 

NOTE: Corner installations are strongly discouraged.

This unit can be located at the ground floor level or on flat roofs. 
At ground floor level, the unit must be on a solid, level foundation 
that will not shift or settle. To reduce the possibility of sound 
transmission, the foundation slab should not be in contact with or 
be an integral part of the building foundation. Ensure the 
foundation is sufficient to support the unit. A concrete slab raised 
above ground level provides a suitable base.

Minimum Airflow Clearance—in. (cm)

Model Type

A

B

AA

Residential

10 (25)

10 (25)

18 (46)

20 (51)

Light Commercial

12 (31)

12 (31)

18 (46)

24 (61)

OK!

OK!

AA

AA

A

A

C

C

C

C

OK!

OK!

Not Recommended

AA

AA

AA

AA

AA

B

B

B

B

OK!

OK!

Summary of Contents for WGHP43

Page 1: ...ion 9 Heat Pump Heating Cycle 10 TROUBLESHOOTING INFORMATION 11 ASSISTANCE OR SERVICE 16 Whirlpool and Whirlpool Gold Models WHP43 WHP44 WGHP43 WGHP44 WGHP46 WGHP48 WPIO 259L Placeholder for Bar Code Goodman 1 Hazards or unsafe practices could result in property damage product damage severe personal injury or death Hazards or unsafe practices may result in property damage product damage personal i...

Page 2: ...des or regulations The United States Environmental Protection Agency EPA has issued various regulations regarding the introduction and disposal of refrigerants Failure to follow these regulations may harm the environment and can lead to the imposition of substantial fines Should you have any questions please contact the local office of the EPA If replacing a condensing unit or air handler the syst...

Page 3: ...ing of refrigerants Goodman 13 WARNING Refrigerants are heavier than air They can push out the oxygen in your lungs or in any enclosed space To avoid possible difficulty in breathing or death Never purge refrigerant into an enclosed room or space By law all refrigerants must be reclaimed If an indoor leak is suspected throughly ventilate the area before beginning work Liquid refrigerant can be ver...

Page 4: ...tributor for assistance Mounting the evaporator coil above the heat pump will require an inverted loop in the suction line adjacent or near the connection to the evaporator coil The top of the loop must be slightly higher than the top of the evaporator coil Mounting the heat pump above the evaporator coil will require an oil trap in the suction line Install one oil trap at the evaporator for a hei...

Page 5: ... This is especially important on suction line filter dryers which are continually wet when the unit is operating NOTES Be careful not to kink or dent refrigerant lines Kinked or dented lines will cause poor performance or compressor damage Do not make final refrigerant line connection until plugs are removed from refrigerant tubing Before brazing verify indoor piston size by checking the piston ki...

Page 6: ...use Time delay fuses HACR type circuit breakers These devices have sufficient time delay to permit the motor compressor to start and accelerate its load HighVoltageConnections Route power supply and ground wires through the high voltage port and terminate in accordance with the wiring diagram provided inside the control panel cover LowVoltageConnections The indoor transformer must supply 24 volt A...

Page 7: ... R G W2 C Heat Pump Conventional Room Thermostat 18 Gauge 7 Wire Indoor Unit Red Green White Blue BU 18 Gauge 5 Wire BU OR See Note 3 Outdoor Thermostat Optional Closed on Temperature Fall 18 Gauge 6 Wire Needed When Outdoor Thermostat Is Used BU W OR Y R See Note 4 BU W G R C W2 O Y R R Y W W 1 2 3 4 G Y O C G R E R W2 BR R G W2 C Red Green White Blue See Note 4 BU W G R W3 Brown BR Heat Pump Con...

Page 8: ... specification to properly seat the sealing surfaces NOTE Do not introduce liquid refrigerant from the cylinder into the crankcase of the compressor as this may damage the compressor 1 Break the vacuum by fully opening liquid and suction base valves 2 Set thermostat to call for cooling 3 Check indoor and outdoor fan operation and allow system to stabilize for 10 minutes for fixed orifices and 20 m...

Page 9: ...eat and remove charge to lower the subcooling to 5ºF to 9ºF NOTE Do not adjust the charge based on the suction pressure unless there is a gross undercharge 2 StageApplication 1 Temporarily install the thermometer on both the liquid small and vapor large lines near the service valves Ensure that there is adequate contact Insulate the sensors well for the best possible reading Use the liquid tempera...

Page 10: ...perature Saturated Suction Pressure Temperature Suction Pressure Saturated Suction Temperature ºF Suction Pressure Saturated Suction Temperature ºF PSIG R 410A PSIG R 410A 50 1 78 20 52 3 80 21 54 4 85 24 56 6 90 26 58 7 95 29 60 8 100 31 62 10 110 36 64 11 120 41 66 13 130 45 68 14 140 49 70 15 150 53 72 16 160 56 74 17 170 60 76 19 Saturated Liquid Pressure Temperature Liquid Pressure Saturated ...

Page 11: ... Replace if needed Faulty thermostat Test continuity of thermostat and wiring Replace if needed Faulty transformer Check control circuit with voltmeter Replace if needed Faulty compressor contactor Test continuity of coil and contacts Replace if needed Evaporator fan will not start Blown fuse Inspect fuse size and type Replace if needed Loose connection Inspect connection Tighten if needed Shorted...

Page 12: ...door coil Inspect coil and clean if needed Noncondensibles Recover charge Evacuate and recharge Recirculation of condensing air Remove obstruction to airflow Wrong type of expansion valve Replace valve Expansion valve restricted Remove restriction or replace valve Undersized expansion valve Replace valve Unsatisfactory Cooling Heating System runs continuously little cooling heating Shortage of ref...

Page 13: ...dows doors vent fans etc Airflow unbalanced Readjust air volume dampers Compressor is noisy Overcharge of refrigerant Recover part of charge Broken internal parts Replace compressor Broken valves Test compressor efficiency Replace if needed Expansion valve bulb loose Tighten bulb bracket Loose hold down bolts Tighten bolts Heating Only System runs blows cold air in heating Internal compressor over...

Page 14: ...ace restricted part Too much air across indoor coil heating only Reduce blower speed Broken valves Test compressor efficiency Replace if needed Inefficient compressor Test compressor efficiency Wrong type of expansion valve Replace valve Expansion valve restricted Remove restriction or replace valve Faulty reversing valve heating only Replace valve or solenoid Faulty defrost control heating only T...

Page 15: ...y outdoor coil Inspect coil and clean if needed Noncondensibles Recover charge Evacuate and recharge Recirculation of condensing air Remove obstruction to airflow Wrong type of expansion valve heating only Replace valve Expansion valve restricted Remove restriction or replace valve Oversized expansion valve Replace valve Faulty reversing valve heating only Replace valve or solenoid Faulty defrost ...

Page 16: ... number in your correspondence Or call toll free 1 866 944 7575 WPIO 259L 2010 All rights reserved Registered Trademark TM Trademark of Whirlpool U S A Manufactured under license by Tradewinds Distributing Company LLC Jacksonville Florida Warranty provided by manufacturer All other trademarks are owned by their respective companies COMFORT COMMITMENT is a trademark of Tradewinds Distributing Compa...

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