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TERMINAL BLOCK WIRING DIAGRAM
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper
and dangerous operation. Verify proper operation after servicing.
AUXILIARY LIMIT SWITCH
For your safety this furnace is equipped with a manual reset auxiliary limit switch. In case of failure by the
primary limit switch, this switch will shut the valve down completely before unsafe temperatures are reached.
After a cool down period, switch must be manually reset. If outages persist, call a qualified service person.
MAINTENANCE INSTRUCTIONS
1. Installation and repair must be done by a qualified service person. The appliance should be inspected
before use and at least annually by a professional service person. More frequent cleaning may be
required due to excessive lint from carpeting, bedding material, etc. It is imperative that control
compartments, burners, pilot burners, circulating air passageways and venting systems of the appliance
be kept clean.
2. The bearings of the motor should be oiled every six months with S.A.E. 20 oil.
3. The appliance area must be kept clear and free of any combustible materials, gasoline and other
flammable vapors and liquids.
4. It is essential that the flow of combustion and ventilation air not be obstructed.
5. Periodic examination of the entire ventilation system as a routine part of the safety performance check
is recommended on an annual basis.
IMPORTANT: Keep burner and control compartment clean. Vacuum burner compartment at the start of
the heating season or as often as needed.
NOTE: It is advised that the burner flames be checked at least twice during the heating season for any
changes in burner flame characteristics.
115 VAC 60 HZ – Less than 12 Amps. If any of the original wire as supplied with this appliance must be
replaced, it must be replaced with type thermoplastic 105-degree C wire or its equivalent.
Page 13
MOTOR (White)
FAN/LIMIT SWITCH (Brown)
POWER CORD (Black)
TRANSFORMER
(Black)
LIMIT
SWITCH
(Blue)
FAN
SWITCH
(Black)
MOTOR (Black)
TRANSFORMER (Black)
POWER CORD (White)
POWER
CORD
(Green)
MOTOR (Green)
TERMINAL BOARD
GROUND (Green)
P/N 91122
CF353C, CF354C, CF357C, CF358C-H
POWER
CORD
(Green)
TERMINAL BOARD
GROUND (Green)
MOTOR (Green)
POWER CORD (Black)
TRANSFORMER (Black)
MOTOR (Black)
LIMIT
SWITCH
(Blue)
TRANSFORMER(Black)
POWER CORD (White)
FAN/LIMIT SWITCH (Brown)
SELECTOR
SWITCH
(Red)
MOTOR
(Red)
MOTOR (White)
SELECTOR
SWITCH
(Black)
P/N 91123
CF503C, CF504C, CF557C, CF558C, CF653C, CF654C-H