31
18-HD82D1-1B-EN
XR724 INSTALLER’S GUIDE
Non-VS Air Handler
& Electric Heat
Heat Pump Diagram 7: 1 Stage Heat Pump w/GAT2 & GAM2 Model Air Handler
G
W1
R
B/C
W2
One stage
Heat Pump
Y
R
B
Notes:
1. Jumper “W2” to “W3” if three stages of indoor heat
are available
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 Temperature 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
W3
X2
O
(Note 1)
Non-VS Air Handler
& Electric Heat
Heat Pump Diagram 8: 1 Stage Heat Pump w/TEM3 Model Air Handler
G
W1
R
B/C
W2
One stage
Heat Pump
Y
R
B
Notes:
1. Jumper “W2” to “W3” if three stages of indoor heat
are available
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 Temperature 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
W3
X2
O
(Note 1)
Heat Pump Wiring Diagrams
Summary of Contents for NEXIA XR724
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