Thermostat - Trane BCHE Installation, Operation And Maintenance Manual

Installation - Controls

Thermostat

The thermostat is a wall-mounted, field-installed option. It
can provide three-speed control.
Figure 54. Terminal block
10 9 8 7 6 5 4 3 2 1
Terminal Block
Figure 55. Thermostat wiring diagram
System 1
Heat Only
Black
R
24
VAC
White
C
Red
Heat W1
Y1
Purple
GH
Fan High
Yellow
Fan Medium GM
Gray
Fan Low GL
Orange/White
Pipe Sensor
PS
(Optional )
Red/White
Remote Sensor RS
(Optional )
Blue/White
SC
System 5
2-Pipe Manual Changeover
with Auxiliary
Black
R
24
VAC
White
C
Red
Heat/Cool
W1
Blue
Auxiliary Y1
Purple
GH
Fan High
Yellow
Fan Medium GM
Gray
Fan Low GL
Orange/White
Pipe Sensor PS
(Required )
Red/White
Remote Sensor RS
(Optional )
Blue/White
SC
WARNING
Electrical Shock Hazard!
Failure to follow instructions below could result in
death or serious injury.
Turn off power at the main service panel by removing
the fuse or switching the appropriate circuit breaker
to the OFF position before removing the existing
thermostat.
64
1. 24 Vac
2. N
3. Fan High
4. Fan Med
5. Fan Low
6. Cool/Cool or Heat
7. Heat/Aux Heat
8. Entering Water sensor
9. Common
10. N/A
System 2
Cool Only
Black
R
24
VAC
White
C
W1
Blue
Cool Y1
Purple
GH
Fan High
Yellow
Fan Medium GM
Gray
Fan Low GL
Orange/White
Pipe Sensor
PS
(Optional )
Red/White
Remote Sensor RS
(Optional )
Blue/White
SC
System 7
4-Pipe Auto Changeover
Black
24
VAC
White
Red
Heat
Blue
Cool
Purple
Fan High
Yellow
Fan Medium
Gray
Fan Low
Red/White
Remote Sensor
(Optional )
Blue/White
System 4
2-Pipe Seasonal Changeover
24
VAC
Heat/Cool
Fan High
Fan Medium
Fan Low
Orange/White
Pipe Sensor
(Required )
Red/White
Remote Sensor
(Optional )
Blue/White
R
Wire Designator Description
C
Wire Designator Description
24 Vac Hot
R
W1
24 Vac Common
C
Y1
Heat
W1
Cool
Y1
GH
Fan High
GH
Fan Medium
GM
GM
Fan Low
GL
Pipe Sensor (optional)
GL PS
Remote Sensor (optional) Red/White
RS
PS
Sensor Common
SC
RS
SC
Important: Thermostat installation must conform to local
and national building and electrical codes and
ordinances.
Note: Mount the thermostat about five feet above the floor.
Do not mount the thermostat on an outside wall, in
direct sunlight, behind a door, or in an area affected
by a vent or duct.
1. Turn off power by removing the fuse or switching the
appropriate circuit breaker off.
2. To remove cover, remove screw and pull gently at the
seam at the top.
Black
R
White
C
Red
W1
Y1
Purple
GH
Yellow
GM
Gray
GL
PS
RS
SC
Color code
Black
White
Red
Blue
Purple
Yellow
Gray
Orange/White
Blue/White
BCX-SVX002A-EN