W415-1112 / 06.12.12
35
STEp #12
○ See SeCTion 6.0 - Plenum and venTinG inSTallaTion.
ELECTRIC FURNACE
MODULE HARNESS
24V CONTROL WIRE
(NOT SUPPLIED),
FROM TERMINAL STRIP ON MAIN CONTROL BOX
STEp #13
electrical furnace module Wiring:
○ feed one end of the harness through the open clearance hole in the front electrical knock out in the base
of the blower module. ensure control box access facing the front of the unit with electrical heater coils to
the bottom.
Pass the bulk head connector attached to the flex conduit through front electrical knock out and secure
from inside blower module with lock nut.
○ Hard wire the harness wires (red, red, green) as per Section 7.1 - blower module Wiring Section.
○ Connect the single pair 24v control wire (not supplied) to the “electric furnace” terminals on the terminal
strip mounted to top of the main control box.
○ route and secure the control wire around the back of the CHmf150/200 furnace and under the bottom
of the electric furnace module to the second front
bottom knock out on the bottom side of the electric
furnace control panel. Place plastic grommet (not
supplied), in knock out and run control wires inside
electric furnace control box.
○ Wire routing and termination in electric fur-
nace control box.
kEEp CONTROL WIRE AWAY FROM HOT SpOTS ON FURNACE THAT WILL DAMAgE WIRE.
1
2
3
4
5
6
120v
eleCTriC
furnaCe
HarneSS
24v
ConTrol
Wire
(
not
supplied
)
LEgEND
1. HeaTer elemenT PoWer TerminalS
2. eleCTriC furnaCe ConTrol board
3. fan relay ConTaCTS
4. "bloWer on" PreSSure SenSor
5. manual reSeT
6. CHaSSiS Ground luG - aTTaCH all
eleCTriC HarneSS GroundS.
(boTTom)
(ToP)
