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Troubleshooting Guide (cont'd)
ELECTRICAL SYSTEM CHECK
(Use diagram on page 36)
I ACAUTION ]
Labelall wiring befo_any wiring;to ensure]
correct reconnection, Failure to follow this instruction ]
could cause improper and possibledangerousoperation,]
resulting in DEATH, SERIOUS BODILY INJURY, OR]
PROPERTY DAMAGE. J
No
i
I
I
I
!
Correct by wiring according to
dia-
gram.
Visually check that all components
are wired correctly according to
wiring diagram on unit.
Yes
_-Pitot is lit and thermostat is calling_
................... ] for heat.
L
1
Yes
i
Go to Thermostat and Gas Supply _ .....
Check section. No
Supply 110/120 volts.
Turn On.
..... No
..... No ....... '_ Yes
................... f Blowermotor is running.
........ [ Does power cord or power wiring 1
................... 4 have 1101120 volts available (recep-]
[ tade and/or junction box)? /
T
Yes
..... .-.i €
[ .................. t Ison/offswitch "ON"?
, f
Check at #1 for 110/120 volts to
ground.
I
I
No
i
Replaceswitch.
Replace gas pressureswitch. 1
NOTE: Requires minimum 31/2" [._ .....
W.C. for natural gas or 8" W.C. for]_
propane (L.P,)gasto operate, d
Check wiring between # 2 and #3.
..... No
Yes _[Check at #2 for 110/120 volts to[
r....... {ground. 1
I
] Yo,
€
t
] Unplug blower motor and check at
ir--- 1 #3 for 110t120 volts to ground.
No
J
J
' 1
, Yes
i
i
...... NO ........... I Replace blower pllotor,
37
Yes
continuedonfacingpage