Trane TCONT724AS42DAA - Page 36

36
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
Dual Fuel Diagram 5: Package Single or Multi-Stage Dual Fuel 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
3. Outdoor Sensor required for dual fuel restricted
mode.
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:
/X2
(Note 2)
(Note 1)
(Note 3)
Package Unit
G
W1
Y
R
B/C
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
Dual Fuel Diagram 6: Package Single Stage Dual Fuel 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:
/X2
(Note 1)
Notes:
1. Outdoor Sensor required for dual fuel restricted
mode.
Dual Fuel Wiring Diagrams
XR724 INSTALLER’S GUIDE