Trane NEXIA XR724 - Page 27

27
18-HD82D1-1B-EN
Package Unit
G
W1
Y1
R
B/C
Y2
BK
W2
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
Heat/Cool Diagram 15: Package Single or Multi-Stage Gas/Electric with Variable Speed Blower
Notes:
1. Cut/remove the factory installed “BK” jumper on the
ECM fan control board
2. For non-Trane/American Standard Indoor units “BK” is
not connected
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)
(Note 2)
Package Unit
G
W
Y
R
B/C
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
Heat/Cool Diagram 16: Package Single Stage Gas/Electric with non-Variable Speed Blower
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:
Heat/Cool Wiring Diagrams
XR724 INSTALLER’S GUIDE