9
Typical Wiring (Field Supplied) for 1-Stage Cool, 1 Stage Electric Heat
Typical Wiring (Field Supplied) for 1-Stage Cool, 2-Stage Electric Heat
with an Optional Outdoor Thermostat
Figure 10. Typical Heat Pump Thermostat Connections
E
O
G
R
Y1
INDOOR
THERMOSTAT
SUB-BASE
Green
W2
C
DEFROST
BOARD
1
2
3
4
5
6
7
8
9
Brown
Orange
Accessory Heat Plug
Optional 2nd Stage
Outdoor Thermostat
(Field Supplied)
Outdoor Thermostat
(Factory Option)
E
O
G
R
Y1
INDOOR
THERMOSTAT
SUB-BASE
Green
W2
C
DEFROST
BOARD
1
2
3
4
5
6
7
8
9
Brown
Orange
Accessory Heat Plug
Outdoor
Thermostat
(Factory Option)