Dunkirk XEB-4 - Wiring Diagrams; Control Module Wiring

23
INTERMITTENT IGNITION
IF ANY OF THE ORIGINAL
WIRE AS SUPPLIED WITH
THIS APPLIANCE MUST BE
REPLACED, IT MUST BE RE-
PLACED WITH TYPE 105° C
THERMOPLASTIC WIRE OR
ITS EQUIVALENT.
NOTE: The circulator harness is factory wired to the aquastat. This harness needs to be
connected to the circulator in the eld.
WIRING DIAGRAMS FOR HOT WATER BOILERS
Figure #12
ELECTRICAL WIRING DIAGRAMS FOR
INDUCED DRAFT HOT WATER BOILERS
14680316 REV 5
B1
CIRCULATOR
B
C1
B
C2
W
HOT
FUSED
DISCONNECT
R
B
3
L1
L2
T
NEUT
POWER SUPPLY
120/60/1
24V
LOW VOLTAGE FIELD WIRING
BK
GND.
BK
PV/MV
SWITCH
PRESSURE
ROLLOUT
SWITCH
W
R
G
PV
MV
W
G
R
BK
TO PILOT
VR8204A / VR8304M
GAS VALVE
BT
BL
AT 140C TRANSFORMER
BT
B2
MV/PV
INTERMITTENT PILOT CONTROL
MV
(24V)
PV
GND.
L8148A
T
DRAFT
BLUE
(GND.)
(24V)
SPARK
BL
R RED
LOW VOLTAGE WIRING
LINE VOLTAGE WIRING
BLACK WITH TRACER
GREEN
WHITE
BLACK
BT
W
G
B
G
G
B
W
W
B
INDUCER
AQUASTAT
THERMOSTAT
BURNER
1K
(24V)
(24V)
(GND)
INTERMITTENT
PILOT CONTROL
PRESSURE
SWITCH
1K1
HIGH LIMIT
B1
R
B
3
1K2
T
AT 140C TRANSFORMER
24 V SECONDARY
SWITCH
ROLLOUT
24 V SECONDARY
120V PRIMARY
24 V THERMOSTAT
C1
T
CIRCULATOR
DRAFT INDUCER
FUSED
DISCONNECT
L1
HOT
120/60/1 POWER SUPPLY
120 V PRIMARY
TO GAS
VALVE
B2
C2
L2
NEUT
G
B
W
B
W
G
B
W
B
BT