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V-MAINTENANCE
The unit should be inspected once a year by a qualified ser
vice technician.
CAUTION
Electrical shock hazard. Turn off power to unit be
fore performing any maintenance, cleaning or
service operation on the unit.
CAUTION
As with any mechanical equipment, contact with
sharp sheet metal edges can result in personal in
jury. Take care while handling this equipment and
wear gloves and protective clothing.
WARNING
This product contains a chemical known to the State
of California to cause cancer, birth defects, or other
reproductive harm.
A-Lubrication
All motors are lubricated at the factory. No further lubrica
tion is required.
B-Filters
Units are equipped with four 18 X 24 X 2” filters. Filters
should be checked and replaced when necessary with fil
ters of like kind and size. Take note of air flow direction
marking on filter frame when reinstalling filters. See figure
14.
NOTE-Filters must be U.L.C. certified or equivalent for use
in Canada.
C-Supply Air Blower Wheel
Annually inspect supply air blower wheel for accumulated
dirt or dust. Turn off power before attempting to remove ac
cess panel or to clean blower wheel.
D-Indoor Coil
Inspect and clean coil at beginning of each cooling and
heating season. Clean using mild detergent or commercial
coil cleanser. Flush coil and condensate drain with water
taking care not to get insulation, filters and return air ducts
wet.
E-Outdoor Coil
Clean outdoor coil annually with detergent or commercial
coil cleaner and inspect monthly during the cooling season.
Outdoor coils are made of two formed slabs. Dirt and debris
may become trapped between the slabs. To clean between
slabs, carefully separate coil slabs (no more than 4 inches)
and wash them thoroughly. See figure 15. Flush coils with
water following cleaning.
F-Filter Drier
The unit is equipped with a bi-flow filter drier. If replacement
is necessary, order another of like design.
FIGURE 14
REMOVE FILTERS
PULL TO
REMOVE
FILTERS
1- Remove screws securing coil end plate to mullion.
2- Remove clips connecting coils slabs and separate
slabs 3-4” (76-102mm).
3- Clean coils with detergent or commercial coil cleaner.
4- Rinse thoroughly with water and reassemble
.
ENDPLATE IS
SECURED TO MULLION
TOP VIEW
BLOWER
INDOOR COIL
CLEAN OUTDOOR COIL
FIGURE 15
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