2GIG CT100 - Manual (Page 18)

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Wire Reference cont.
Possible Wires What They Control
Lennox Heat Pump
V or VR or R
RH
Power for HEAT
M or Y Y
COOL control
Y or W or W2 W2
2nd stage HEAT
F or G G
Fan control
R or O O
X or X2 or C C
Trane Products [American Standard]
B
C
24VAC power (to power thermostat)
X2
Emergency heat (do not connect, tape off)
Zoned Hot Water
2 wire
Your Wires
Thermostat Terminal
R RH
W W
3 Wire
Motor Driven Valves
R or 5
RH
(power)
W or 4 W
(heat ON)
Y or G or 6
(the 3rd wire)
A
(heat OFF)
3 Wire
Solenoid Valves
R
RH
(power)
W A
(heat ON)
Y or G
(the 3rd wire)
W
(heat OFF)