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Fig. 8—S8600F,H,M; S8610F,H; S8660D; S8670D connections in a heating-cooling system with power-assisted
combustion.
9 69-0463
MV MV/PV PV
GND
(BURNER)
24V
GND
24V
TH-W
(OPT)
VENT
DAMPER
PLUG (OPT) SPARK
5
S8600F,H,M; S8610F,H; S8660D; S8670D
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
ALTERNATE LIMIT CONTROLLER LOCATION.
MAXIMUM CABLE LENGTH 3 ft [0.9 m].
CONTROLS IN 24V CIRCUIT MUST NOT BE IN
GROUND LEG TO TRANSFORMER.
FOR MODULE WITH TH-W TERMINAL AND VENT DAMPER
PLUG, CONNECT THERMOSTAT TO TH-W. LEAVE
24V OPEN. DO NOT REMOVE VENT DAMPER PLUG.
1
2
3
4
5
M1182C
Q345, Q346,
Q348, Q362,
Q381PILOT
BURNER/
IGNITER-
SENSOR
3
5
W
G
Y
COIL
L1
(HOT)
L2
1
AIR PROVING
SWITCH
PRESSURE
CONTROLLER
COOLING
CONTROL
COMBUSTION
AIR BLOWER
RELAY
COMBUSTION
AIR BLOWER
MOTOR
2
L1
(HOT)
L2
R C
R8239
FAN
CENTER
LIMIT
CON-
TROLLER
1
W Y
R
G
THERMOSTAT
C H
L
FAN
CONTROL
FAN
MOTOR
4
2ND
OPERATOR
1ST
OPERATOR
PILOT COM
MAIN
VALVE
DUAL VALVE COMBINATION
GAS CONTROL
PILOT
BURNER
GROUND
PILOT GAS
SUPPLY