Indoor Unit: 09/12 Class SiUS041111
128 Removal Procedure
1. Indoor Unit: 09/12 Class
1.1 Removal of Air Filters
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1. Appearance features
Warning
Dangerous: High voltage
A high voltage is applied to all
the electric circuits of this
product including thermistors.
When a signal from the remote
controller is received, the
receiving tone sounds and the
operation lamp flickers
immediately to confirm the
signal reception.
When the ON/OFF button is
kept pressed for 5 seconds, the
forced cooling operation is
performed for about 15 minutes.
2. Remove the air filters.
1
Open the front panel to
the position where it
stops.
2
Slightly push up the
knob at the center of
the air filter.
The air filter is not marked for
difference between the right and
left sides.
The air filter can be set easily by
inserting it along the guides.
Insert the air filter with the
“FRONT” mark faced up.
Be sure to insert the hooks (at 2
lower positions) when mounting
the air filter.
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