359AAV
Center Clip
9”
(228.6 mm) | A07691 |
|
Fig. 2 - Bottom Filter Arrangement
Filter Rack
End Cap
A07690
Fig. 3 - Filter Installed for Side Inlet
f. Remove blower wheel from housing.
!CAUTION
UNIT DAMAGE HAZARD
Failure to follow this caution may result in furnace component failure.
The blower wheel should not be dropped or bent as balance will be affected.
g.Clean wheel per instructions on degreaser cleaner. Do not get degreaser cleaner in motor.
9.Reassemble motor and blower wheel by reversing items 8b through 8f. Ensure wheel is positioned for proper rotation. Be sure to reattach ground wire. Tighten setscrew to 140 to 160
10.Reinstall blower assembly in furnace.
11.Reinstall control box, transformer, and door switch assembly on blower shelf.
12.Reinstall condensate trap and tubing if previously removed.
a.Reinstall condensate trap in hole in blower shelf.
b.Connect condensate trap drain tubes. See Fig. 6, 7, or 8.
NOTE: Ensure tubes are not kinked or pinched, as this will affect operation.
c.Connect field drain to condensate trap.
13.Reconnect wires.
Refer to furnace wiring diagram, and connect thermostat leads if previously disconnected. (See Fig.20.)
!CAUTION
UNIT DAMAGE HAZARD
Failure to follow this caution may result in unit component damage.
Heating speed selection MUST be adjusted to provide proper temperature rise as specified on the rating plate.
Table 1 – Speed Selector
COLOR | SPEED | FACTORY |
ATTACHED TO | ||
Black | High | Cool |
Orange | Medium High | Heat |
Blue | Medium Low | M1 |
Red | Low | M2 |
White | Common | Com |
14.Turn on electrical supply. Manually close blower access door switch. Use a piece of tape to hold switch closed. Check for proper rotation by jumpering R to G.
!WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or death.
Blower access door switch opens
15.If furnace is operating properly, remove tape to release blower access door switch, remove jumper across R to G, and replace blower access door.
Procedure 3 — Cleaning Burners
The following items should be performed by a qualified service technician. If burners develop an accumulation of light dirt or dust, they may be cleaned by using the following procedure:
1.Turn off gas and electrical supplies to furnace.
2.Remove main furnace door.
3.Using backup wrench, disconnect gas supply pipe from furnace gas control valve.
!CAUTION
ELECTRICAL SHOCK, UNIT DAMAGE HAZARD
Failure to follow this caution may result in personal injury or furnace component damage.
Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.
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