Hunter 42999 Owner's Manual - Page 23
wire Heat Only, wire Cool Only, wire Heat Only
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2-wire Heat Only THERMOSTAT RC RH G W Y 3-wire Heat Only Heat Transformer Heat Relay or Valve THERMOSTAT RC RH G W Y 3-wire Cool Only Heat Fan Transformer Relay Heat Relay or Valve THERMOSTAT RC RH G W Y Cool Fan Transformer Relay Cool Contactor
2-wire Heat Only
3-wire Cool Only
3-wire Heat Only
THERMOSTAT
G
W
Y
RH
RC
Heat Relay
or Valve
Heat
Transformer
THERMOSTAT
G
W
Y
RH
RC
Heat Relay
or Valve
Heat
Transformer
Fan
Relay
THERMOSTAT
G
W
Y
RH
RC
Cool
Contactor
Fan
Relay
Cool
Transformer