Common connectors – Honeywell S9371A User Manual

Page 8

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S9360A, S9361A, S9370A, S9371A INTEGRATED BOILER CONTROLLERS

69-2076—01

8

Fig. 5. Hot Surface Ignition Wiring (S937X).

Common Connectors

SENSOR 1

SENSOR 2

GAS
CONTROL

MV

MV

PRESSURE SWITCH

LIMIT SWITCH

M24218

ENVIRACOM
DISPLAY

ENVIRACOM
DIAGNOSTIC

24 VAC
TRANSFORMER

L2

L1

GND

FLAME
SENSE

HOT SURFACE
IGNITER

CIRCULATOR

INDUCER

GND

Table 3. Connectors Common to Both Spark-to-Pilot and Hot Surface Ignition Options.

Connection/Color

Pin

Mating Plug

Description

Flame Sense

1 of 1

3/16 in. female quick-
connect

Connection to Flame
Rod

Sensor 1/White

1 of 3

Molex

®

43061-0003

NTC 1-1

2 of 3

Sensor Common

3 of 3

NTC 1-2

Sensor 2

a

/White

1 of 2

Molex

®

43061-0002

NTC Temperature
Sensor

2 of 2

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