S9360A, S9361A, S9380A, S9381A INTEGRATED BOILER CONTROLLERS
9
66-1203—05
Fig. 5. Direct Spark Ignition (DSI) Wiring (S938X), 1-rod (combined ignitor and sensor).
C
R
D
ENVIRACOM
SYSTEM
CIRCULATOR
L1
GND
L2
INDUCER
24VAC
TRANSFORMER
SENSOR
M33505
T-STAT
LIMIT
SWITCH
PRESSURE
SWITCH
GAS
CONTROL
MV
PV/
MV
SPARK
IGNITER
FLAME
SENSE