22
SimpleComfort
®
2201
W2
L
C
Y2
E
G
B
O
Y1
R
SimpleComfort
®
2201 Electronic Thermostat Conversion to:
Lennox HP22 with CB19 PCB Heat Pump Systems
Lennox HP22 with CB19 PCB Low V
oltage T
erminal Board
R-VR
M
R
F
E
Y
L
X
Y2
24 VAC, Return
Compressor Contactor
Reversing Valve (Cooling Mode)
Fan Contactor Circuit
Emergency Heating Circuit
2nd Stage Heating Circuit
24 VAC, Common
2nd Stage Cooling Circuit
System Monitor LED
Summary of Contents for SC2201
Page 3: ...1 Parts Diagram ...