Pioneer WYT-22 Series Installation & User Manual page 21

Ductless mini split system air conditioner / heat pump
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Maintenance of the Air Conditioner
Periodic Maintenance Is Essential For The System!
Maintaining the air conditioner will ensure that is stays efficient. Before carrying out any sort
of maintenance, always ensure that the power supply to the system is turned off.
Indoor Unit
Anti-Dust Filters (Clean once every 2 weeks)
1. Approach the interior unit to reach the top
area, and grasp both the exposed handles.
2. Gently remove the single anti-dust filter by
pulling upwards and backwards as depicted.
3. The filter is washable and should be cleaned
with warm water (under 113°F).
4. Leave the filter to dry in a cool, dry place.
5. Afterwards, re-insert the filter into the same
location after it has sufficiently dried.
*Inner Bottom Air Components can be
cleaned and maintained similarly.
Any electrostatic or deodorizing filters, if installed, are not
washable and should be replaced once every 6 months.
Interior of the Indoor Air Handler
In addition to the filters, the interior of the indoor unit itself as well as the inner coil should be
inspected every season. The front panel can be disconnected and removed from the top hinge
where the pegs connect. This will allow for easier inspection of the interior and behind the air
filters. The interior should be cleaned with damp cloth and neutral soaps. Do not use any sort
of aggressive solvents or detergents. Only a soft cloth that is lightly damp should be used.
BEFORE CLEANING OR MAINTENANCE
ALWAYS TURN OFF YOUR AIR CONDITIONER SYSTEM AND DISCONNECT ITS POWER SUPPLY
BEFORE PERFORMNG CLEANING OR MAINTENANCE. DO NOT SPRAY WATER DIRECTLY NEAR
THE INDOOR UNIT, AS IT CAN DAMAGE INSULATION AND ELECTRICAL COMPONENTS.
Handles
Anti-Dust Filter
Louver
Deflector Assembly
Bottom Plate
5
+
Wash with room
temperature water
Page 21

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