Low Voltage Thermostat Wiring With Multiple Burners; Internal Wiring - Roberts Gorden NDUSTRIA NHE Series Installation, Operation & Service Manual

10.3 Low Voltage Thermostat Wiring with Multiple Burners

Transformer Relay
Black
Purple
Black
120V-60 Hz
supply circuit
L1
L2
Gnd.
NOTE: Maximum 8 Burners Per Relay
Description
DPDT Transformer Relay

10.4 Internal Wiring

NOTES:
NO TERMINAL BUSHING
ON HARSH ENVIRONMENT HEATERS,
THERMOSTAT CONNECTIONS
MADE INTERNAL
FRONT VIEW
1
3
2
4 6
COIL COIL
5
White Red
Red/Yellow
Part Number
90436300
BLK
N.O.
DOOR
SWITCH
BLK
COM BLK
TERMINAL
BUSHING
R1
WHT
WHT
POWER SUPPLY
BLK
120V 60 HZ
GRN
GRN YEL
YEL
+
LED
GAS
ELECTRODE
VALVE
BACK VIEW
R C
W G
Y
Burner 1
Gnd.
H N
Burner 3
Gnd.
H N H
MOTOR/BLOWER
PRESSURE SWITCH
GRN
5
1 YEL
R1
PURPLE
3 BLUE
4
YEL
TRANSFORMER TERMINAL
BUSHING
BLUE
C RW
24V STAT
BY OTHERS
SEE NOTE 1
TH
BRN C1
V1
C2
S1
YEL
V2
GND
BLK
IGNITION
MODULE
SECTION 10: W
Low Voltage Thermostat
Low voltage black
jumper wire
connected inside all
Burner 2
burners between
Purple and Blue
wire; Yellow not used.
NOTE:
Gnd.
24VAC thermostat
powered by others
H N
when controlling
multiple burners
Burner 4
Gnd.
N
3 1
PLUG
IRING
57