Whirlpool WHP43 Specifications

HEAT PUMP INSTALLATION INSTRUCTIONSHEAT PUMP SAFETY PRECAUTIONSThe following symbols and labels are used throughout this manual to indicate immediate

10NOTES: Do not adjust the charge based on the suction pressure unless there is a gross undercharge. Check the Schrader ports for leaks and tighten

11TROUBLESHOOTING INFORMATIONProblemNo Cooling/Heating Cause/Test Method and/or Solution System will not start. Power failure. Test voltage. Blown

12 Compressor runs—goes off on overload. Loose connection. Inspect connection. Tighten if needed. Shorted or broken wires. Test circuits with ohmme

13 Too cool/warm and then too warm/cool. Faulty thermostat. Test continuity of thermostat and wiring. Replace, if needed. Improper cooling anticipa

14System Operating Pressures Low suction pressure. Faulty evaporator fan motor. Repair or replace. Shortage of refrigerant. Test for leaks. Add re

15 High head pressure. Faulty evaporator fan motor (heating only). Repair or replace. Shorted or grounded fan motor. Test motor windings. Restric

ASSISTANCE OR SERVICEIf you need further assistance, you can write to the below address with any questions or concerns:Tradewinds Distributing Company

2Important Note to the Owner Regarding Product WarrantyYour warranty certificate is supplied as a separate document with the unit installed by your co

3Rooftop InstallationsIf it is necessary to install this unit on a roof structure, ensure the roof structure can support the weight and that proper co

4REFRIGERANT LINESUse only refrigerant-grade (dehydrated and sealed) copper tubing to connect the heat pump with the indoor evaporator. After cutting

5Burying Refrigerant LinesIf burying refrigerant lines cannot be avoided, use the following checklist.1. Insulate liquid and suction lines separately.

6 If the pressure rises to 1,000 microns or less and remains steady, the system is considered leak-free; proceed to start-up. If pressure rises abov

7System Composite Diagram—Heat Pumps 10 KW and Below System Composite Diagram—Heat Pumps Above 10 KW NOTES: EHR—Emergency Heat Relay (optional)1. Outd

8SYSTEM START-UPNOTES: Units with crankcase heaters should have the high-voltage power energized for 24 hours prior to start-up. Heat pumps are equip

9Fixed Orifice1. Temporarily install the thermometer on the suction (large) line near the compressor. The thermometer should be located within 4"