Form 43471000
Sept 2011
-35-
21.5)
MOTOR AND BLOWER WHEEL CHECK
If draft inducer motor fails to run:
a.
Check power supply to junction box.
b.
Check for loose or broken motor lead wire.
c.
Check to see that blower wheel turns freely and is not rubbing housing. Blower wheel may have worked
loose from shaft and jammed against housing.
d.
Check for blower wheel damage; replace if necessary. If no damage, readjust blower wheel on shaft &
retighten set screw.
e.
If all above does not correct, replace motor.
22.0)
INSTALLATION DATA
Date of
Installation:
# of Heaters in
System:
Serial
No.
Model:
CB
CB
CB
CB
N = Natural Gas
L = Propane Gas
