36
Figure# 1 Basic Wiring For All Units
Use key below for all basic wiring of heater
See Figure #2 for high limit circuitry
See Figure #3 for heater controls circuitry
LAMP
Ends High
Limit
Circuitry.
See Figure 2
Lamp
Begins High Limit
Circuitry. See
Figure 2
F
Fuse Holder
3220120
TS
Toggle Switch
3435032
R
Indicator Light
SCH5020
IB
Control Board
SCH5000
XFMR Transformer
3045052
SPK
Spark Plug
SCH5980
FRS
Flame Rod
3036050
LS
Liquid Solenoid
SCH6075
VS
Vapor Solenoid
High Fire
Super Low
Natural Gas
Units
Units
Units
SCH6080
SCH6075
4035024
Incoming Power
Interlocked With
Fan. L1
Located on
Lower
Manifold
Liquid Units
Only
XFMR