KDK E50DZUA, Operation Instructions Manual, Page: 8 / 40

8
Operation Instruction
PART NAME AND USING METHODS
(model label adhesive location).
■
Using methods:
Please use the switch mounted on the wall
(separately sold).
On
High
Heat
exchange
Off
Low
Normal
ventilation
Heat exchange:
It heat-exchanges the outdoor air and indoor air to get the temperature and humidity of outdoor close
to indoor
fi rst, then begins to supply the fresh air to the room.
Normal ventilation:
In case the indoor air is polluted, exhaust air volume will be increased to facilitate the emission of
polluted air.
Caution: With the exhaust air amount increasing, the negative pressure will be produced in room, the
outdoor air comes into the room from the gaps of door, window and etc., so if you don’t expect the
outdoor air to come into the room, don’t use the mode.
HANDLING METHODS ON ABNORMAL
OPERATION
■
If treated as fault:
Please check as the following list, if abnormal operation occurs, you should turn off the switch the
breaker, and contact with retail shop or repair shop.
Situation Solution
●
The unit doesn’t work with
power on.
●
Without air blowing.
●
Is the breaker in the mode
「
off
」
?
●
Is there a power failure?
●
Is the fi lter clogged with dust (please conduct the maintenance
according to the maintenance methods for each model)?
If the condition is not improved or changed after checking the above-mentioned solution, please
contact with retail shop where you purchased.
●
Please use the mode
「
heat exchange
」
when stopping.
●
In winter, please use the mode 「 heat
exchange
」
.
●
In winter, when the room is heated and the
operation in the mode
「
normal ventilation
」
,
condensation occurs on the surface of the
unit, which will make the ceiling dirty or
cause the short circuit or electric leakage.
ATTENTION