CARE AND CLEANING
FRONT PANEL AND CASE
Turn unit off and disconnect power supply. To clean, use water and a mild detergent.
DO NOT use bleach or abrasives. Some commercial cleaners may damage the plastic parts.
OUTDOOR COIL
Coil on outdoor side of unit should be checked regularly.
Unit will need to be removed from wall sleeve to inspect
dirt buildup that will occur on the inside of the coil. Clean
both sides of outdoor coil with warm water and a mild
detergent. Do not use corrosive coil cleaners.
BASEPAN
In some installations, dirt or other debris may be blown into unit from outside and settle in base
pan (bottom of unit). In some areas of the United States, a“jell-like” substance may be seen in
the basepan. Check basepan periodically and clean, if necessary.
NOTE: Never use a high-pressure spray on coil.
Clean inside and outside of outdoor coils regularly.
Fig. 25 – Outdoor Coil
CAUTION
UNIT DAMAGE HAZARD – Failure to follow this caution may result in equipment
damage or improper operation. Airflow restriction may cause damage to the unit.
CAUTION
UNIT DAMAGE HAZARD – Failure to follow this caution may result in equipment
damage or improper operation. Do not operate unit without filters in place. If a filter
becomes damaged, it should be replaced immediately.
Operating the unit without filters or with damaged filters will allow dirt and dust to
reach indoor coil and reduce cooling, heating, airflow and efficiency of unit. Airflow
restriction may cause damage to the unit; thereby voiding equipment warranty.
Preventive maintenance is essential to proper unit operation, efficiency and longevity, and
required to maintain equipment warranty.
To ensure equipment operates properly, it must be properly maintained. Equipment operation
should be checked and verified several times during each year. For typical unit inspection and
maintenance, follow the guidelines below:
22
2 Air filters
Pull up
Coils
Grille
Dirty filter-
Needs cleaning
Clogged filter -
Greatly reduces cooling,
heating and airflow.
Push down
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