S9360, S9361, S9370, S9371 INTEGRATED BOILER CONTROLLERS
Common Connectors
Table 3. Connectors Common to Both Spark-to-Pilot and HSI Options.
Connection/Color
Flame Sense
Sensor 1/White
a
Sensor 2
/White
69-2076—03
Fig. 5. Hot Surface Ignition (HSI) Wiring (S937X).
Pin
1 of 1
1 of 3
2 of 3
3 of 3
1 of 2
2 of 2
CIRCULATOR
INDUCER
GND
HOT SURFACE
IGNITER
L2
GND
L1
ENVIRACOM
DIAGNOSTIC
ENVIRACOM
DISPLAY
PRESSURE SWITCH
LIMIT SWITCH
SENSOR 1
SENSOR 2
Mating Plug
3/16 in. female quick-
connect
®
Molex
43061-0003
®
Molex
43061-0002
8
FLAME
SENSE
24 VAC
TRANSFORMER
MV
GAS
CONTROL
MV
M24218
Description
Connection to Flame
Rod
NTC 1-1
Sensor Common
NTC 1-2
NTC Temperature
Sensor