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12.
Turn the circuit breakers in the main service
disconnect box to the on position.
13.
Set the thermostat to the desired setting.
Turn OFF / Shut Down the Appliance
1.
Set the thermostat to the lowest setting.
2.
Turn off all electrical power to the appliance at the
main service disconnect box.
3.
Remove the furnace door.
4.
Turn off the circuit breakers on the appliance control
box.
5.
Replace the furnace door.
SECTION V: OWNER MAINTENANCE
All appliances need maintenance at the beginning of each
heating season in order to operate properly. The annual service
must be performed by qualified service personnel. The
homeowner is expected to perform general cleaning of the
exterior surfaces, clean dust from the louvers in the return air
door and replacement of the air filters. Air filters must be
checked every month and replaced as needed. Figures 2 and 3
indicate the location of the air filters if you have a louvered
return air door.
Figure 2: Return Air Louvered Door Air Filter Location
Figure 3: Return Air Louvered Door 20” x 20” x 1” Air
Filters
Return Air Grille Air Filters
Follow these easy steps to replace the filters located in the
return air grille:
1.
Follow the procedure “T
urn OFF / Shut Down the
Appliance”
in the Startup and Shutdown Instructions
section of these instructions.
2.
Remove the thumb screw at the top of the return air
grille by turning it counter-clockwise.
3.
Let the top of the door fall towards you then lift up
slightly pulling towards you and set the door on the
floor.
4.
Remove the top air filter first, and then remove the
bottom air filter. These filters are disposable filters.
DO NOT attempt to clean the filters and reuse them.
5.
Remove the new pleated air filters from the plastic
wrap they come in.
6.
Slide the bottom air filter in place in the door.
7.
Place the top air filter in the door so both air filters
are installed as shown in Figure 3.
8.
Lift the door up to the cooling cabinet and align the
slots on the bottom of the door with the tabs on the
mounting bracket on top of the furnace. Refer to
Figures 4 and 5.
9.
Push the grille forward until the grille is touching the
cabinet and align the door so it is even with the sides
of the cabinet. Aligning the grille with the cabinet is
an important step in order to align the screw hole
with the thumb screw. Refer to Figure 6.
10.
Turn the thumb screw clockwise to screw it into the
hole until the plastic head of the thumb screw
snuggly fits against the grille. DO NOT over tighten
the thumb screw as it will make it difficult to remove
at a later time.
11.
Follow the instructions to “
Turn ON / Start the
Appliance”
in the Startup and Shutdown section of
these instructions.
Figure 4: Aligning The Sides Of The Louvered Filter Door
and Reinstalling Thumb Screw.
