System Composite Diagram-Wahms 18 To 60-Above 10Kw; Wiring Diagram-Low Voltage For Wahms Cooling Unit With Optional Heat Kit 10Kw And Below - Whirlpool WAHMS Installation Instructions Manual

Disconnect ALL power before servicing.
Multiple power sources may be present.
Failure to do so may cause property damage, personal injury or death.
BU
NOTES:
EHR—Emergency heat relay (optional)
1. Outdoor Thermostat 1 should be the first to close and the last
to open.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
Wiring Diagram—Low Voltage for WAHMS Cooling Unit with Optional Heat Kit 10kW and Below
Goodman 6 Long - top of each page
System Composite Diagram—WAHMS 18 to 60—Above 10kW
Heat Pump
C W2 O
Y R
W OR Y R
R
Y
OR
W
BU
#18 Gauge - 5 Wire
Outdoor Thermostat - 1
Outdoor Thermostat - 2
Room Thermostat
W Y
To Condensing
Contactor
Unit 24V Connections
Coil
#18 Gauge - 2 Wires
WARNING
HIGH VOLTAGE!
Typical H/P
Room Thermostat
W2
Y O C G R
E
G
See See
Note 3 Note 2
W
1
2
EHR
4
3
BU
2. Connect the white and brown wires from the air handler if
Outdoor Thermostat 2 is not used.
3. Remove this wire when using an outdoor thermostat.
#18 Gauge - 4 Wires With Cooling,
3 Wires Without Cooling
G
R
R
G
W
Y
#18 Gauge - 7 Wire
Unit
R R Red
G Green
W White
Brown
BR
BU Blue
Unit
Red
Green
White
Blue
Color Codes
R Red
Y Yellow
BU Blue
BR Brown
OR Orange
W White
G Green
Color Codes
R Red
Y Yellow
BU Blue
BR Brown
OR Orange
W White
G Green
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