Install Backplate & Wire - Fast TR7DRH Installation Instructions Manual

STEP #3
Remove the backplate connector from the
6 00 : 70
7 2 o
Am
Su
Cooler Mode Warmer
rear of the TR7DRH. Attach it to the wall.
Install wires as directed below. When
finished, snap TR7DRH on to backplate.
6 00 : 70
7 2 o If the terminal designations on your old
Am
Su
Cooler Mode Warmer
thermostat do not match those on the
new TR7DRH, refer to the chart below,
or the wiring diagrams that follow.
Wire from the
old thermostat
terminal marked
G or F
Y1, Y or C
W1, W or H
Rh, R, M, Vr, A
C
O/B
W2
RS+5
RS
RS G
* C may not be used on all systems.
** O/B is used if the system is a Heat Pump.
INSTALL BACKPLATE & WIRE
Install on the
new TR7DRH
Function
connector marked
Fan
Cooling
Heating
Power
Common
W1,O,B**
Rev. Valve
Dehumidification
2nd Stage Heat
Humidifier Control W3/ECO
Remote Sensor +5vdc
Remote Sensor Signal
RS GND
Remote Sensor Ground
Page 4
G
Y1
W1
R
C
Y2
W2
RS+5
RS1