Whirlpool WAHMS - Multiple Power Sources May be Present

13
System Composite Diagram—WVAHM/WAHMS 18 to 60—10kW and Below
NOTES:
1. Outdoor Thermostat 1 should be the first to close and the last
to open.
2. Connect the white and brown wires from the air handler if an
outdoor thermostat is not used.
3. Remove this wire when using an outdoor thermostat.
4. EHR—Emergency heat relay (optional)
System Composite Diagram—WVAHM/WAHMS 18 to 60—Above 10kW
See NOTES on the following page
Goodman 6 Long
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.
C
W2
O
Y
R
R
BR
G
W
R
Y
W
Y
O
C
W2
G
RE
Heat Pump
Conventional
Room Thermostat
#18 Gauge - 7 Wire
Unit
Red
Green
White
Blue
BU
#18 Gauge - 5 Wire
BU
OR
See
Note 3
Outdoor Thermostat (Optional) Closed on Temperature Fall
#18 Gauge - 6 Wire Needed When Outdoor Thermostat Is Used
BU W OR Y R
C
W2
O
YR
R
Y
W
W
1
2
3
4
G
YOC GR
E
R
W2
Heat Pump
Conventional
Room Thermostat
#18 Gauge - 7 Wire
Unit
Red
Green
White
Brown
Blue
Outdoor Thermostat - 2
Outdoor Thermostat - 1
#18 Gauge - 5 Wire
BU
BU
OR
EHR
See
Note 3
See
Note 2
See Note 1
BU W OR Y R