21
SimpleComfort
®
2201
W2 L C Y2EGBOY1R
SimpleComfort
®
2201 Electronic Thermostat Conversion to:
Lennox HP21 with CB21 PCB Heat Pump Systems
Lennox HP21 with CB21 PCB
Low Voltage Terminal Board
R-VR
Y
O
F
E
W
L
X
Y2
24VAC,Return
CompressorContactor
ReversingValve(CoolingMode)
FanContactorCircuit
EmergencyHeatingCircuit
2ndStageHeatingCircuit
24VAC,Common
2ndStageCoolingCircuit
SystemMonitorLED