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SECTION 10: WIRING
43
10.3 Low Voltage Thermostat Wiring with Multiple Burners
10.4 Internal Wiring
NH
Gnd.
NH
Gnd.
L1
L2
Gnd.
120V-60 Hz
supply circuit
Low Voltage Thermostat
RC
W
G
Y
1
2
3
4
5
6
COIL COIL
Black
Black
White Red
Transformer Relay
FRONT VIEW BACK VIEW
Burner 1 Burner 2
NH
Gnd.
Burner 3
NH
Gnd.
Burner 4
Purple
Red/Yellow
When using 1-2 burners, use SPST
Transformer Relay.
When using 3-4 burners, use SPDT
Transformer Relay.
Low Voltage
Terminal Detail
on all Burners
COM
N.O.
COM
BLACK
GREEN
WHITE
BLACK
ORANGE
WHITE
WHITE
GREY
WHITE
WHITE
YELLOW
YELLOW
N.O.
GREEN
BLACK
BLUE
PURPLE
BLACK
BLACK
SENSOR
DOOR
SWITCH
TO THERMOSTAT
FLAME
BUSHING
TERMINAL
3
4
TRANSFORMER
1
5
IGNITER
VALVE
SMART
PRESSURE
SWITCH
MOTOR/BLOWER
L2
L1
Gnd.
120V-60Hz
supply circuit