Terminal Designations - Robertshaw RS8110 Operation Manual

TERMINAL DESIGNATIONS

RH ............ 24 VAC (system power supply) HEAT
RC ............ 24 VAC (system power supply) COOL
C ............... Common 24 VAC (system power supply)
W .............. HEAT
Y ............... COOL
G ............... FAN
B ............... REV VALVE HEAT
O ............... REV VALVE COOL
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