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Fig. 6 – Typical Wiring for Hot Surface Ignition System
Fig. 7 – Typical Wiring for Direct Spark Ignition System, Single Stage Valve
M – Main
1/4" Female Receptacle
This end plug
to Furnace
3-pin connector
To new
gas valve
Black
Red
Hi – High
3/16" Female Receptacle
White
C – Common
1/4" Female Receptacle
Fig. 5 – Wire Harness Adapter
If system requires 3-pin connector for 2-stage valve, use wire harness adapter, see gure 5
INSTALLATION
M
V
2
T
R
G
N
D
T
H
M
V
1
L
2
F
P
L
1
H
S
1
THERMOSTAT OR
CONTROLLER
ALTERNATE
LIMIT
L1
(HOT)
L2
LIMIT
CONTROLLER
FLAME
PROBE
RED
ADAPTER
BLUE
HOT
SURFACE
IGNITER
MV2
MV1
BURNER
GROUND
H
S
2
TRANSFORMER
GAS
VALVE
ALTERNATE
LIMIT
TRANSFORMER
THERMOSTAT OR
CONTROLLER
L1 (HOT)
L2
SPARK
PROBE
MV
(GND)
LIMIT
CONTROLLER
FLAME
GAS
VALVE
MV
VAL
TR
TH
GND
FLY
LEAD
SPARK
Burner Ground
FLAME
PROBE
(GND)