Hitachi RAC-D10EX2 Instruction Manual page 6

NAMES AND FUNCTIONS OF EACH PART
TWO WAY AIR EXCHANGE DUCT FILTER
Nano-Titanium Disinfecting Deodorizing/
Dust Collecting Fresh Air In Filter
This deodorizes and eliminates dust from the air
ventilated from the outside.
(Refer to pages 11, 25)
INDOOR UNIT CONTROL PANEL
I Operate after opening the front panel. (How to open the front panel, refer to page 10.)
Front Panel
CAUTION
Turn off the circuit breaker or pull out
the power plug if the unit is not be
operated for a long period.
✩ If the power stays on and the unit is not operated, power is slightly consumed in the control circuit. The power is
saved by turning off the power switch (or the circuit breaker when the power is supplied from the outdoor unit).
Power Switch
Two Way Air Exchange Selection Switch
Select one of the following: "Prohibit Two Way Air Exchange", "Only Exhaust",
and "Operate Two Way Air Exchange".
Please refer to page 33 regarding installation when the Two Way Air Exchange
cannot be operated.
(When the device is shipped out of the factory, it is set to "Operate Two Way Air
Exchange".)
Temporary Switch
If the remote controller does not work due
to battery failure, press this switch to start
and stop operation.
• This temporary operation will be at the
most recent setting mode. (The unit will
immediately go into automatic operation
once power is switched on.)
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Exhaust Pre-Filter
This traps dirt and dust particles in
the air while the exhaust is
operating.
(Refer to page 25)
Fresh Air In Pre-Filter
This traps dirt and dust particles in
the air ventilated from the outside.
(Refer to pages 11, 25)
Dirt Sensor
The Dirt Sensor detects cigarette
smoke, sprays (pesticides), alcohol,
etc. (Refer to pages 19, 34)