Whirlpool GOLD W4GH6 User Manual

These instructions are intended as a general guide only for use by 
qualified persons and do not supersede any national or local 
codes in any way. The installation must comply with all state and 
local codes as well as the National Electrical Code

■

The heat pump is designed and approved for outdoor use 
only.

■

The heat pump must be installed with no ductwork in the 
airstream. The outdoor fan is not designed to operate against 
any additional static pressure.

Tools and Parts ............................................................................2
System Requirements..................................................................2
Location Requirements ................................................................2
Electrical Requirements ...............................................................4
Inspect Shipment .........................................................................4
Flush Refrigerant Lines ................................................................4
Connect Refrigerant Lines ...........................................................6
Make Electrical Connections .......................................................9
Complete Installation .................................................................11

Cooling Cycle .............................................................................12
Heating Cycle .............................................................................12
Defrost Cycle..............................................................................12
Adjust Defrost System ...............................................................13
Troubleshoot the Defrost System ..............................................14

System Diagnostic Module ........................................................15

Accessories ................................................................................17

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

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

This is the 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 and either the word “DANGER” or “WARNING.”

These words mean: