33
Integrated
Gas Unit
Controller
(IGC)
Induced Draft
Motor
Rollout
Switch
Mounting
Screw
Burner
Rack
Inducer
Blower
Housing
Flue
Collector
Box
Interface Fan
Board (IFB)
Auto Transformer
fuses used on 460
volt units only.
(Hidden)
Fan Partition
Mounting
Bracket
A09193
Fig. 18 -- Blower Housing and Flue Collector Box
COMPRESSOR
ACCESS PANEL
BLOWER
ACCESS
PANEL
CONTROL
ACCESS
PANEL
A09207
Fig. 19 -- Unit Access Panels
BLOWER
HOUSING
2 SETSCREWS
(HIDDEN)
C99085
Fig. 20 -- Removal of Motor and Blower Wheel
A07680
Fig. 21 -- Burner Rack Removed
Outdoor Fan
UNIT OPERATION HAZARD
Failure to follow this caution may result in damage to unit
components.
Keep the condenser fan free from all obstructions to ensure
proper cooling operation. Never place articles on top of the
unit.
CAUTION
!
1. Remove 6 screws holding outdoor grille and motor to top
cover.
2. Turn motor/grille assembly upside down on top cover to
expose fan blade.
3. Inspect the fan blades for cracks or bends.
4. If fan needs to be removed, loosen setscrew and slide fan off
motor shaft.
5. When replacing fan blade, position blade as shown in Fig.
22.
6. Ensure that setscrew engages the flat area on the motor shaft
when tightening.
7. Replace grille.
574D-- -- A
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