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10
CARE AND MAINTENANCE
In order to maintain proper performance of your pack-
aged terminal air conditioner or heat pump, it is very
important that the fan and outdoor coil, the blower
wheel, blower scroll, electric heater, and all drain pas-
sages are thoroughly cleaned at least once per year.
Carrier recommends that as a minimum, the cleaning
should be conducted prior to the start of each heating
season. The air inlet filters should be cleaned every
month.
Depending on local conditions, more frequent cleaning
of the unit may be required to ensure optimum perfor-
mance and long operating life. Examples of these spe-
cial conditions include areas where construction dust
or heavy airborne dirt is found, or environments that
promote the growth of fungus.
INDOOR-AIR INLET FILTERS
■
INDOOR-AIR INLET FILTERS
should be cleaned
once each month.
■
CLEANING INDOOR-AIR INLET FILTER
— Two
interchangeable air filters are located on the backside
of the front panel. Each can be removed and cleaned
one at a time. To remove and clean the filter, follow
the steps below:
1. Grasp filter with both hands.
2. Gently pull the filter up and away from the unit.
See Figures 6 and 17.
3. To clean filter, use a vacuum or soft bristle brush
with a small amount of mild detergent.
NOTE: If detergent is used, remove any detergent
residual with a gentle stream of clean water.
4. Allow filters to air dry.
5. Re-insert dry filters back into front panel.
Additional filters are available in multi-packs. Refer to
Accessories section.
Some local conditions and environments can cause
fungi to grow inside the air conditioner, especially
on indoor blower section. Dried fungi, dirt and other
foreign material are fire hazards. Be sure to clean
unit according to the instructions that follow.
IMPORTANT: Filters may become clogged if not
cleaned properly. Clogged filters will restrict air-
flow which may lead to severe component damage
and efficiency loss.
FIGURE 17 — INDOOR-AIR INLET
FILTER REMOVAL