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Cautions on Safety
Cautions for Maintenance
It must be replaced by the manufactuer, its sevice agent or similarly qualified persons in order to avoid a hazard.
WARNING
■ When the system is checked and
the power cable undergoes
maintenance, stop the operation,
and switch the exclusive circuit
breaker "OFF".
The internal fan is revolving at high
speeds and can cause serious
injury. And when using a
stepladder, etc., make sure to fix it
properly.
2
Never Fail to Observe
■ Don't use benzene or metal brush
when cleaning the filter and heat
exchange element.
Prohibited
Otherwise, the unit will get unfit for
use.
CAUTION
■ The filter should be
cleaned regularly.
Dust or dirt building-
up on it can lead to
a lack of oxygen in
the room.
Metal brush
■ Use gloves when
cleaning the filter or
heat exchange
element.
Doing so will reduce
any possibility of
injury.
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