23
18-HD82D1-1B-EN
Non-VS
Air Handler &
Electric Heat
Heat/Cool Diagram 7: 1 Stage Cooling w/GAT2 & GAM2 Model Air Handlers
G
W1
R
B/C
W2
One Stage
Cooling Only
Y
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:
(Note 1)
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
W
3
Non-VS
Air Handler &
Electric Heat
Heat/Cool Diagram 8: 1 Stage Cooling w/TEM3 Model Air Handler
G
W1
R
B/C
W2
One Stage
Cooling Only
Y
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:
(Note 1)
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
W
3
Heat/Cool Wiring Diagrams
XR724 INSTALLER’S GUIDE
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