W415-1112 / 06.12.12
24
STEp #8
○ remove the access panel from the rear of the blower box module.
○ route the harness from the rear of the lower electrical box of the main
electric harness to access the hole on the side of blower box.
○ match and connect the harness connectors "b" inside the lower electri-
cal box and snap the flex conduit connector into the side of the electrical
box.
○ Wires from the other end of the harness should pass through the hole
in side of the blower module. The 90° flex connector should also be
passed through and secured by the connector nut on the inside of box.
ENSURE THE ELECTRICAL WIRINg INSIDE THE BLOWER BOx IS ADEqUATELY SECURED AND
pROTECTED FROM SHARp EDgES. FAILURE TO DO SO COULD RESULT IN DAMAgE TO THE WIR-
INg INSULATION, RESULTINg IN pOSSIBLE SHORT CIRCUITINg TO THE FURNACE CHASSIS. THIS
COULD RESULT IN pOSSIBLE INjURY OR pROpERTY DAMAgE.
ALL 115 vOLT ELECTRICAL pRE ASSEMBLED HARNESSES MUST BE INSTALLED AS pER INSTRUC-
TIONS AND ELECTRICAL CODES.
NO 115v ELECTRIC CIRCUIT HARNESS OR FIELD WIRINg MAY pASS THROUgH CLEARANCE
SpACE BETWEEN CHMF150/200 FURNACE BOTTOM AND FLOOR.
FAILURE TO COMpLY MAY RESULT IN ELECTRIC SHOCk, FIRE, pROpERTY DAMAgE OR pERSON-
AL INjURY.
STEp #10
○ See SeCTion 7.0 - eleCTriCal ConneCTionS and SCHemaTiCS.
STEp #9
○ See SeCTion 6.0 - Plenum and venTinG inSTallaTion.
STEp #11
○ See SeCTion
8.0
- oPeraTinG inSTruCTionS.
"B" HARNESS LENgTH: ADjUSTMENT WHEN NOT
USINg ELECTRIC FURNACE MODULE
○ The length of "b" harness has been made to allow for instal-
lation of an electric furnace module (Hmfk-ef20). if elec-
tric furnace module (Hmfk-ef20) is not being installed,
the length of flex conduit needs to be reduced by 12" (305
mm). remove the 90° bulk head connector from end of flex
conduit, slide the liner off wires far enough that the wiring
will not be damaged when adjusting the length of flex con-
duit. measure 12" (305 mm) off end of the flex conduit and
put small break/kink in the conduit at this point using side
cutters or hacksaw blade. The conduit can then be flexed
back and forth over this break until it breaks completely
apart, and the 12” (305 mm) section can be removed. feed
the wires back through the flex conduit and relocate the 90°
head connector bracket to the new end of the flex conduit.
○ Copy the wire, marking number, located near the end of
each wire, onto a piece of masking tape and stick this
marker 14" (355 mm)away from wire end. The wire can
now be shortened by 12".
aCCeSS
HoleS
