Trane NEXIA XR724 User's Manual And Installation Instructions page 31

Heat Pump Wiring Diagrams
Heat Pump Diagram 7: 1 Stage Heat Pump w/GAT2 & GAM2 Model Air Handler
One stage
Heat Pump
B
R
X2
O
Y
Notes:
1. Jumper "W2" to "W3" if three stages of indoor heat
Heat Pump Diagram 8: 1 Stage Heat Pump w/TEM3 Model Air Handler
One stage
Heat Pump
B
R
X2
O
Y
Notes:
1. Jumper "W2" to "W3" if three stages of indoor heat
are available
18-HD82D1-1B-EN
XR724 INSTALLER'S GUIDE
Non-VS Air Handler
& Electric Heat
B/C
R
W1
W2
W3
(Note 1)
G
are available
Non-VS Air Handler
& Electric Heat
B/C
R
W1
W2
W3
(Note 1)
G
Thermostat Connection
BK
C
RS
R
RS
W1
W2 ODT
ODT
O/B
NO
G
C
Y1
NC
Y2
Remote Temperature Sensor Connections and Operation:
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.
Thermostat Connection
BK
C
RS
R
RS
W1
W2
ODT
ODT
O/B
NO
G
C
Y1
NC
Y2
Remote Temperature Sensor Connections and Operation:
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
Sensor
Outdoor
Sensor
Aux relay
outputs
Remote
Sensor
Outdoor
Sensor
Aux relay
outputs
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