Replace
Replace the belt in the following cases:
• If it stretches and its tension cannot be
adjusted.
• If it is cut or cracked.
• If the fan belt is worn and the pulley is
touching the bottom of the V-groove.
Cleaning the Filter
Clean the filter more often when operating in
dusty places.
If the filter is clogged, the air becomes weak
and a muted booming sound is heard from
the air conditioner unit.
Removing the filters
Outer filter
1. Remove the cover (1).
2. Remove the filter (2).
Inner filter
1. Lift the filter (3) upwards and off.
2. Use compressed air or water to clean the
filter, depending on how dirty it is.
Cleaning
CAUTION
Wear safety glasses when using
compressed air.
1. Blow dry, compressed air [138 kPa (20
psi) or less] directly on the filter from the
inside, moving up and down along the
creases.
Be sure to keep the nozzle at an adequate
distance from the filter.
2. For difficult-to-remove dirt, wash the filter
(3) with neutral detergent and water. Dry
the filter (3) completely after washing it.
Inspecting the Refrigerant (gas)
Level
WARNING
Exposure of the eyes or hands to the
cooler’s refrigerant could result in
blindness or frostbite. Never touch the
refrigerant or loosen the parts of the
cooling circuit.
If the refrigerant gas leaks, keep flames
away.
The cooling capacity will decrease if the
amount of refrigerant is insufficient.
1. Loosen the bolts and remove the cover
(3).
Air Conditioner < CTL55 >
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