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VI-MAINTENANCE
WARNING
Electric shock hazard. Can cause injury
or death. Before attempting to perform
any service or maintenance, turn the
electrical power to unit OFF at disconnect
switch(es). Unit may have multiple power
supplies.
CAUTION
As with any mechanical equipment, contact with
sharp sheet metal edges can result in personal
injury. 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
-
-
URE 21.
NOTE-Filters must be U.L.C. certied or equivalent for
use in Canada.
C-Supply Air Blower Wheel
Annually inspect supply air blower wheel for accumulated
access 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 commer-
cial coil cleanser. Flush coil and condensate drain with
air ducts wet.
E-Outdoor Coil
Clean outdoor coil annually with detergent or commercial
coil cleaner and inspect monthly during the cooling sea-
son. 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
Flush coils with water following cleaning.
F-Filter Drier
-
ment is necessary, order another of like design.
PULL TO
REMOVE
FILTERS
FIGURE 21
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 22
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