25
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 18 - Wiring Diagram For Boilers With CG 400-2060 Probe Type Low Water Cut-Off
(For full-sized Wire Diagrams, see Literature Envelope.)
120V AC FIELD CONNECTIONS
IN ACCORDANCE WITH NEC /
CEC AND LOCAL CODES. USE
COPPER CONDUCTORS ONLY
RED
WHT
BLU
GRN
BLU
NEC CLASS 2
LOW VOLTAGE
FIELD SUPPLIED
THERMOSTAT
(W) T
(R) T
BLOCKED
VENT
SWITCH
ROLL
OUT
SWITCH
BLK
ORG
YEL
BRN
YEL
WHT
WHT
BLK
BLK
BLK
WHT
ORG
BRN
BLK
OUT
S
IDE BOILER JACKET
P/N: 240009577
Revision: A
BLK
VENT DAMPER
4
2
3
1
PRESSURETROL
DIFF
KG/2
CM
PSI
.6
.5
.3
.1
2
8
9
0.5
CUT IN
INSIDE BOILER JACKET
GAS VALVE
MV
MV/PV
PV
BLK
LOW WATER
CUT OFF
2
1P
1
P2
A
BURNER
PROBE
JP1
JP2
WHT
FACTORY
INSTALLED
JUMPER
IGNITION MODULE
WHT
G
N
L
BLK
WHT
C
R
LOAD
120V / 24V, 50VA
TRANSFORMER
G
IGNITOR
WHT
RED
WHT
WHT
BLU
WHT
RED
120V AC FIELD
CONNECTIONS IN
ACCORDANCE WITH NEC/
CEC AND LOCAL CODES.
USE COPPER CONDUCTORS
ONLY
NEC CLASS 2
LOW VOLTAGE
FIELD SUPPLED
THERMOSTAT