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 C
Trane Products [American Standard]
B C 24VAC power (to power thermostat)
W or W1 W2 2nd stage HEAT
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)
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)
Customer support: ltrete@radiothermostat.com
888-607-5824
or www.radiothermostat.com/ltrete
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