2
1
Non-VS Air
Handler & Electric Heat
Heat Pump Diagram 3: 1 Stage Heat Pump w/”GAM5B” Model Air Handler
G
W1
Y
R
B/C
W2
One stage
Heat Pump
Y
R
B
Notes:
1. Jumper “W2” to “W3” if three stages of indoor heat is available
2. “Y” terminal must be connected at indoor unit for high stage air
flow
Sensor Options in the Installer Settings/Sensor Settings menu
Remote Sensor (connect to the RS terminals)
- None
- Replaces internal sensor
- Average with internal sensor
Outdoor Temp Sensor (connect to the ODT terminals)
- None
- Outdoor
Caution: Do not run sensor wires in the same bundle with HVAC
wires. Keep away from high voltage wiring to avoid interference.
Remote Tempurature Sensor Connections and Operation:
Aux relay
outputs
RS
C
RS
R
ODT
W1
W2
BK
ODT
NO
C
Y1
NC
Y2
O/B
G
Thermostat Connection
Outdoor
Sensor
Remote
Sensor
O
W3
X2
O
(Note 1)
(Note 2)
Non-VS Air
Handler & Electric Heat
Heat Pump Diagram 4: 2 Step Heat Pump w/”GAM5B” Model Air Handler
G
W1
YI
R
B/C
Y
W2
Two step
Heat Pump
Y1
R
B
Notes:
1. Jumper “W2” to “W3” if three stages of indoor heat is available
2. “Y2” terminal must be connected at indoor unit for high stage air
flow
Sensor Options in the Installer Settings/Sensor Settings menu
Remote Sensor (connect to the RS terminals)
- None
- Replaces internal sensor
- Average with internal sensor
Outdoor Temp Sensor (connect to the ODT terminals)
- None
- Outdoor
Caution: Do not run sensor wires in the same bundle with HVAC
wires. Keep away from high voltage wiring to avoid interference.
Remote Tempurature Sensor Connections and Operation:
Aux relay
outputs
RS
C
RS
R
ODT
W1
W2
BK
ODT
NO
C
Y1
NC
Y2
O/B
G
Thermostat Connection
Outdoor
Sensor
Remote
Sensor
O
W3
X2
O
(Note 1)
(Note 2)
2
Y2
Heat Pump Wiring Diagrams
Installer’s Guide
