
16
CARE AND CLEANIN G
FRONT PANEL AND CASE
Turn unit off and disconnect power supply.
To clean, us e water and a mild detergent. DO NOT
use bleach or abrasive s. Some commercial cleaners
may damage the plastic parts.
OUTDOOR COIL
Coil on outdoor side of unit shoul d be checked
regularly. Unit will nee d to be removed to insp ect
d irt build--up that will occur on the insid e of the coil.
If cl ogged with dirt or soot, coil should be
profe ssionally cl eaned.
NOTE: Never use a high--pressure s pray on coil.
Coils
Grille
Clean inside and
outside of outdoor coils regularly
.
Fig. 27 – Outdoor Coil
UNIT DAMAGE HAZARD
Failure to follow this caution may result in equ ipment
damage or improper operation.
Airflow restriction may cause damage to the unit.
CAUTION
!
BASE PAN
In some insta lla tions, dirt or other debris may be
blown into unit from outside and se ttle in base pan
(bottom of unit) .
In some areas of the United States, a “jell--like“
s ubstance may be seen in the base pan. Ch eck base
pan periodically and clean, if necessary.
AIR FILTERS
IMPORTANT: TURN UNIT OFF B EFORE
CLEANING
UNIT DAMAGE HAZ ARD
Failure to follow this caution may result in equ ipment
damage or improper operation.
Do not o perate unit without filters in place. If a filter
becomes torn or damaged, it should be replaced
immediately.
Operating without filters in place or with damaged filters
will allow dirt an d dust to reach ind oor coil and reduce
cooling, heating, airflow and efficiency of unit. Airflow
restriction may cause damage to unit.
CAUTION
!
Dirty filter-
Needs cleaning
Clogged filter -
Greatly reduces cooling,
heating and airflow.
Fig. 28 – Identifying Clogged Filter
The mo st important thing you can do to maintain unit
efficiency is to clean the filters at least every 30 days
(or sooner depending on application). Clogge d filters
reduc e cooling , heating and ai rflow.
Keeping filters clean will:
• Decrease cost of operation.
• Save energy.
• Prevent clogged indoor coil.
• Reduce risk of premature component failure.
To Clean Air Filters:
• Vacuum off heavy soil.
• Run water through filters.
• Dry thoroughly before replacing.
29
2 Air filters
Pull up
Push down
Removing Air Filter
Replacing Air Filter
Fig. – R emoving and Replacing A ir Filter
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