Wiring chart, Model 150-fasng wiring diagram – Universal Scheu Company 150-FASNG User Manual
Page 7
WIRING CHART
PART
NO.
COLOR
LENGTH
FROM
TO
1100
White
7"
Valve
Terminal Block
1040
Black
6"
On/Off Switch
Terminal Block
1226
Red (Hi-Temp)
16 1/2"
High Limit Switch
Valve
1226
Red (Hi-Temp)
16 1/2"
High Limit Switch
Terminal Block
1070
Orange
11"
Flame Control (Ignition)
Spark Plug
1959
Green
7"
Flame Control (Harness)
Ground
1959
Red
7"
Flame Control (Harness)
Terminal Block
1959
White
6"
Flame Control (Harness)
Terminal Block
1959
Black
6"
Flame Control (Harness)
Terminal Block
MODEL 150-FASNG
WIRING DIAGRAM
If any original wiring as supplied with the heater must be replaced, it must be replaced with type AWG 105° C
wire or its equivalent except as indicated (*type SF2-200, **SGI 250° C).