Wiring Diagram: Alternate Thermostat Wiring Methods - Nordyne O4MD Installation, Operation And Maintenance Manual

WIRING DIAGRAM: ALTERNATE THERMOSTAT WIRING METHODS
O
PROTECTOR
RELAY
0
PROTECTOR
RELAY
THERMOSTAT
11-lERM OSTAT
FAN
CENTER
TYPICAL CONTROL WIRING EXAMPLES - OIL FURNACES
THERMOSTAT HAS INDEPENDENT HEATING
AND coouNGC_RCUW, SE_TE
WIRES (18/3 AND 18/2 ) FOR EACH
FUNCTION.
ALSO SUITABLE FOR SEPARATE HEATING
AND COOUNG THERMOSTATS.
AIR CONDITIONING
CONTACTOR
THERMOSTAT HAS INDEPENDENT
HEATING AND COOLING CIRCUFrS,
SINGLE _RE (18/4) TO THERMOSTAT,
0
AIR CONDITIONING
CONTI_'rOR
O
PROTECTOR
RELAY
0
PROTECTOR
RELAY
"rHERMOSTAT
THERMOSTAT
FAN
CENTER
FAN
CENTER
THERMOSTATHAS INDEPENDENT
HEATINGAND COOUNG CIRCUITS,
SINGLE WIRE (18/5) TO THERMOSTAT.
0
AIR CONDITIONING
CONTACTOR
THERMOSTAT HAS NON-INDEPENDENT
HEATING AND COOLING CIRCUITS,
SINGLE _RE (18/4) TO TI-ERMC_'TAq'.
0
,]
AIR CONDITIONING
CONTACTOR
24 153B0801