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_ Installation Instructions
Adjusting Room Temperatures
If the temperature in individual rooms is not as desired, bal-
ance the system by adjusting the dampers in the branch
ducts (see Figure 16). Adjust a little at a time and wait a day
after each change to judge the effect. Once the dampers are
adjusted for normal weather conditions, it is best to leave
them that way. Compensate for temporary weather changes
by adjusting the thermostat setting.
Figure 17 Typical Branch Duct Dampers
Monthly Maintenance and Inspection
Checks
Air Filters (Factory Installed)
CAUTION
Do NOT operate unit without all air filters installed in the
unit.
Dirty filters are the most common cause of compressor fail-
ures and inadequate heating and cooling performance.
Combination Units I
1. Remove filter access panel.
2. Remove the bottom filters.
.
The front of the center rail is attached to the unit by a
keyhole/screw connection. Unhook the front of the
center rail, swing it down approximately four inches
(100mm), and hook the keyhole on the screw pro-
vided.
4. Remove the bottom filters.
5. Replace bottom filters, center rail, and top filters.
6. Replace filter access panel.
Cooling Season Checks (Monthly)
Condenser Coil
Keep the condenser inlet and outlet area clean and free of
leaves, grass clippings and other debris. Grass should be
kept short in front of the condenser inlet. Shrubbery MUST
be trimmed back so it isno closer than 30 inches (762 mm) to
condenser coil.
Condensate Drain
Check for condensate drainage. Clean as required.
Annual Maintenance and Inspection
Electrical Shock, Fire and Explosion Hazards.
Turn off electric power supply at disconnect
switch or service panel before removing any ac-
cess or service panel from unit.
Failure to follow this warning can result in prop-
erty damage, personal injury, and/or death.
Inspect filters at least monthly and replace or clean as re- The annual inspection should include cleaning as required
quired, to ensure efficient operation of the unit.
Washable filters may be cleaned by soaking in mild deter- NOTE: All bearings are sealed and no lubrication is re-
gent and rinsing with cold water. Install filters so that the ar- quired.
rows on the side point in the direction of air flow.
Filter racks are accessible through the filter access panel. Circulating Air Blower
Disposable Replacement Filters
To replace disposable filters:
Visually inspect the blower wheel for accumulations of dirt or
lint. Clean the compartment and the blower wheel. If accu-
mulation is excessive on blower wheel or does not remove
easily, it will be necessary to remove the blower assembly.
[_ 513 01 1002 00
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