Low Voltage Thermostat Wiring; Internal Wiring - Roberts Gorden GordonRay BH-40 Installation, Operation & Service Manual

10.2 Low Voltage Thermostat Wiring

SPDT Transformer Relay
P/N 90417600
Black
120 V-60 Hz
Supply Circuit
L1
L2
Gnd.
Burner 1
Description
SPDT Transformer Relay
Low Voltage Thermostat

10.3 Internal Wiring

FRONT VIEW
1
3
2
6
4
COIL
COIL
5
Black
Red
White
N
Part Number
90417600
90425100
DSI Ignition Module
Pressure Switch
C
BLUE
Transformer
BLACK
WHITE
G
L
N
GREEN
WHITE
BLACK
L2 120 V-60 Hz
L1
Electrical Connection
BACK VIEW
R
C
W G
Y
H N
Gnd.
Burner 2
BLUE 24 V A/C
BLACK Flame Sense
YELLOW Ground
BROWN Main Valve
NO
BLUE
BROWN
YELLOW
YELLOW
GREEN
YELLOW
GREEN
Burner Ground
Blower Connection
Motor/Blower
Low Voltage Thermostat
Additional
Burners
H
Gnd.
Maximum 8 Burners
Per Relay
Electrode
BLACK
Gas Valve
SECTION 10: W
IRING
41