Trane 7CONT624AS42DA User's Manual And Installation Instructions page 13

Heat/Cool Wiring Diagrams
Heat/Cool Diagram 3: 1 Stage Cooling w/"GAM5B" Model Air Handler
Notes:
1. Jumper "W2" to "W3" if three stages of indoor heat is available
2. "Y" terminal must be connected at indoor unit for high stage
airflow.
Heat/Cool Diagram 4: 2 Step Cooling w/"GAM5B" Model Air Handler
Two Step
Cooling Only
B
R
Y 1
Y2
Notes:
1. Jumper "W2" to "W3" if three stages of indoor heat is available
2. "Y" must be connected at indoor unit for high stage airfloor
One Stage Non-VS
Cooling Only Air Handler &
Electric Heat
B
B/C
R
W1
W2
W3
(Note 1)
O
G
Y Y
(Note 2)
Non-VS
Air Handler &
Electric Heat
B/C
R
(Note 2)
W1
W2
W3
(Note 1)
G
(Note 2)
Y
Y2
Installer's Guide
Thermostat Connection
C
R
W1
W2
O/B
G
Y1
Y2
Remote Tempurature 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
C
R
W1
W2
O/B
G
Y1
Y2
Remote Tempurature 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.
BK
RS
Remote
Sensor
RS
ODT
Outdoor
Sensor
ODT
NO
C
Aux relay
outputs
NC
BK
RS
Remote
Sensor
RS
ODT
Outdoor
Sensor
ODT
NO
C
Aux relay
outputs
NC
13