W415-1066 / C / 06.22.12
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• open hmfk-ef10 module carton and check items in box:
• CONTROL BOARD (1 pC.)
• ELECTRIC ELEMENT AssEMBLY (1 pC.)
• CONTROLs COvER (1 pC.)
• voltage Warning sticker (1
pc.)
• electric schematic sticker (1 pc.)
• #8-18x1/2 hex head sheet metal screws
(8 pcs.)
• disconnect power to furnace.
• remove the blower door and blower division
cover from hmf100.
• remove four (4) nyloc lock nuts and blocking
panel from inside the upper blower division
cavity.
remove rectangular knock out from blower division bulk head.
• orientate electric element assembly and slide into upper blower division cavity. push support panel of
electric element assembly over internal weld studs and secure using four (4) nyloc lock nuts.
take wiring harness from electric element assembly (installed in previous step) and bring forward to front of
furnace. take the plastic bulk head end connector that terminates the wiring harness and push down through
the blower division bulk head.
remove reCtangular
knoCk out
bloWer division
bulk head
