Complete Installation - Whirlpool WMAHM Installation Instructions Manual

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Disconnect ALL power before servicing.
Multiple power sources may be present.
Failure to do so may cause property damage, personal injury or death.
Heat Pump—2-Stage Emergency Heat and 2-Stage Auxiliary Heat—2 Outdoor Thermostats
NOTES:
No auxiliary heat in heat pump mode until outdoor thermostat
closes.
1. Y enables high speed fan cooling.
2. E enables low speed fan heating. W2 with OT1 closed
enables low speed fan heating. W2 with OT2 closed enables
high speed fan heating.
Pre-Start Check
Is the unit properly located, level, secure and serviceable?
Is the wiring neat, correct and in accordance with the wiring
diagram?
Is the unit properly grounded and connected to the correct
size fuse or circuit breaker?
Is the thermostat correctly wired, level, and in a good
location?
Are all of the access panels in place and secure?
Are all of the accessories properly installed?
Check Airflow (WMAHV Motor)
For proper cooling operation, the airflow through the indoor coil
should be between 350 and 450 CFM per ton of cooling capacity
(or 350 to 450 CFM per 12,000 Btu/h) based on the rating of the
outdoor condensing unit.
20
Goodman 6 Long
2-Speed Heat Pump
See Note 3
See Note 4
See Note 5
Please refer
to manual
for proper
DIP switch (CFM)
configuration.

Complete Installation

WARNING
HIGH VOLTAGE!
Room Thermostat
nd
2
Stage Heater
st
1
Stage Heater
3. OT1 PJ4 must be cut for this configuration.
4. OT2 PJ2 must be cut for this configuration.
5. Cut HUM PJ6 jumper if using humidistat. Humidistat opens
on humidity rise.
6. DIP Switch 4 must be in the "OFF" position.
Disconnect ALL power before servicing.
Multiple power sources may be present.
Failure to do so may cause property damage,
personal injury or death.
The WMAHV control board is factory set with DIP Switch #4 in
the "ON" position and all other DIP switches are factory set in the
"OFF" position. For most applications, the settings are to be
changed according to the electric heat size and the outdoor unit
selection.
The WMAHV motor provides many features not available on the
traditional PSC motor. These features include:
Improved efficiency
Constant CFM
Soft start and stop
Improved humidity control
Humidistat
(Optional)
See Note 5
Remove
Production
Wire Y1-O
WARNING
HIGH VOLTAGE!
Goodman 6

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