26
WIRE DIAGRAMS
If any of the original wire as supplied with this appliance must be replaced, it must be replaced with type
105°C Thermoplastic wire or its equivalent.
Figure 19 - Wiring Diagram For Boilers With CG 400-2060 Probe Type Low Water Cut-Off
(For full-sized Wire Diagrams, see Literature Envelope.)
G
L
N
G
120V AC FIELD
CONNECTIONS IN
ACCORDANCE WITH
NEC / CEC AND LOCAL
CODES. USE COPPER
CONDUCTORS ONLY
GAS VALVE
MV
MV/PV
PV
GRN
BLU
WHT
RED
INSIDE BOILER JACKET
OUTSIDE BOILER JACKET
ROLL
OUT
SWITCH
WHT
BLU
IGNITION MODULE
RED
WHT
BLU
PRESSURETROL
DIFF
KG/
2
CM
PSI
.6
.5
.3
.1
2
8
9
0.5
CUT IN
BLK
BLK
BLK
WHT
WHT
BLOCKED
VENT
SWITCH
WHT
BLK
120V / 24V, 50VA
TRANSFORMER
LWCO PROBE
BLK
BRN
YEL
ORG
NEC CLASS 2
LOW VOLTAGE
FIELD SUPPLIED
THERMOSTAT
T
(R)
T
(W)
LOW WATER
CUT OFF
PROBE
JP2
2
1
P1
P2
A
BURNER
JP1
FACTORY
INSTALLED
JUMPER
BLK
VENT DAMPER
P/N: 240009879
Revision: A
RED
WHT
PNK
BRN
WHT
WHT
WHT
YEL
ORG
WHT
BRN
BLK
BLK
BLK
C
R
C
R
IGNITOR
SPARK
SENSE
24V
PV
GND
(BURNER)
24V
(GND)
MV
MV/PV