HEAT PUMP INSTALLATION INSTRUCTIONS
HEAT PUMP SAFETY PRECAUTIONS
The following symbols and labels are used throughout this manual to indicate immediate or potential safety hazards. It is the owner’s
and installer’s responsibility to read and comply with all safety information and instructions accompanying these symbols. Failure to
heed safety information increases the risk of personal injury, property damage, and/or product damage.
Recognize this symbol as a safety precaution.
Table of Contents
HEAT PUMP SAFETY PRECAUTIONS.........................................1
Important Note to the Owner Regarding Product Warranty .......2
Shipping Inspection .....................................................................2
Codes and Regulations................................................................2
Installation Clearances .................................................................2
Rooftop Installations ....................................................................3
SAFE REFRIGERANT HANDLING ................................................3
REFRIGERANT LINES....................................................................4
Burying Refrigerant Lines.............................................................5
Refrigerant Line Connections ......................................................5
Leak Testing—Nitrogen or Nitrogen-Traced ...............................5
System Evacuation ......................................................................5
ELECTRICAL CONNECTIONS ......................................................6
Over-current Protection ...............................................................6
High Voltage Connections ...........................................................6
Low Voltage Connections ............................................................6
SYSTEM START-UP.......................................................................8
FINAL CHARGE ADJUSTMENT ....................................................8
Fixed Orifice .................................................................................9
Expansion Valve System..............................................................9
2-Stage Application......................................................................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 injury or death.
WARNING
CAUTION
Goodman 9
Hazards or unsafe practices may result in property
or product damage.
CAUTION
Goodman 6
HIGH VOLTAGE!
WARNING
Disconnect ALL power before servicing.
Multiple power sources may be present.
Failure to do so may cause property damage,
personal injury or death.
Goodman 7
Installation and repair of this unit should
be performed ONLY by individuals meeting
the requirements of an “Entry Level Technician,”
at a minimum, as specified by the Air-Conditioning,
Heating and Refrigeration Institute (AHRI). Attempting
to install or repair this unit without such background may
result in product damage, personal injury or death.
WARNING
Goodman 32
CAUTION
Scroll equipped units should never be used to evacuate
the air conditioning system. Vacuums this low can cause
internal electrical arcing resulting in a damaged or failed
compressor.
