0
SC
2210 Electronic Thermostat
24 VAC, Return
Compressor Contactor
Reversing Valve (Heating Mode)
Fan Contactor Circuit
2nd Stage Heating Circuit
System Monitor LED
24 VAC, Common
R
Y
B
G
W2
L
X
O
Rheem/Ruud PGB, PF
A, PCB, PLA, PKA
Low V
oltage T
erminal Board
SimpleComfort
®
2210 Electronic Thermostat Conversion to:
Rheem/Ruud: -PGB, -PFA, -PCB, -PLA, and -PKA Series Heat Pump Systems