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Hitachi RAC-25WX8 - Maintenance Procedures; Attaching Air Cleansing Filters; Cleaning Air Filters; Servicing Electrical Dust Collector Terminals

Hitachi RAC-25WX8
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–21–
ATTACHING THE AIR CLEANSING FILTERS
1
Open the front panel.
Pull up the front panel by holding it at both sides
with both hands.
2
Remove the filter.
Push upward to release the claws and pull out the
filter.
3
Attaching the air cleansing filters to the filter.
Attach the air cleansing filters to the frame by gently
compress its both sides and release after insertion
into filter frame.
4
Attach the filters.
Attach the filters by ensuring that the surface written
“FRONT” is facing front.
After attaching the filters, push the front panel at
three arrow portion as shown in figure and close it.
Cleaning and maintenance must be carried out only by qualified service personal. Before cleaning,
stop operation and switch off the power supply.
CAUTION
CAUTION
Do not bend the air cleansing
filter as it may cause damage to
the structure.
NOTE
In case of removing the air cleansing filters, please follow the above procedures.
The cooling capacity is slightly weakened and the cooling speed becomes slower when the air cleansing
filters are used. So, set the fan speed to "HIGH" when using it in this condition.
Do not operate the air conditioner without filter. Dust may enter the air conditioner and fault may occur.
Claws
(4 places)
!
!
HSI
LGNE
–22–
MAINTENANCE
Cleaning and maintenance must be carried out only by qualified service personal. Before cleaning, stop operation and
switch off the power supply.
1. AIR FILTER
Clean the air filter, as it removes dust inside the room. In case the air filter is full of dust, the air flow will decrease and
the cooling capacity will be reduced. Further, noise may occur. Be sure to clean the filter following the procedure below.
CAUTION
1
Open the front panel and remove the filter
Gently lift and remove the air cleansing filter from the air filter frame.
2
Vacuum dust from the air filter and air cleansing filter using vacuum
cleaner. If there is too much dust, air filter only rinse under running tap
water and gently brush it with soft bristle brush. Allow filters to dry in
shade.
3
Re-insert the air cleansing filter to the filter frame. Set the filter with
“FRONT” mark facing front, and slot them into the original state.
After attaching the filters, push the front panel at three arrow portions
as shown in figure and close it.
CAUTION
Do not wash with hot water at more than 40°C. The filter may shrink.
When washing it, shake off moisture completely and dry it in the shade; do not expose it directly to the sun. The filter
may shrink.
Do not use detergent on the air cleansing filter as some detergent may deteriorate the filter electrostatic performance.
PROCEDURE
!
!
Servicing the electrical dust collector’s electrical terminals
1
Use the remote control to stop all operations and
remove the electrical power plug (or push the
circuit breaker to its “OFF” position)
2
Remove the front panel (For the front panel
removal instructions, refer to page 19)
3
Using a toothbrush, remove all dirt from the
electrical dust collector’s electrical terminals.
Brushing the electrical terminals with a toothbrush will
remove the dirt (must use a dry toothbrush).
4
Re-install the front panel (For the front panel re-
installation instructions, refer to page 19) insert
the electrical plug (or push the circuit breaker to
its “ON” position)
Lift up to open the cover
Electrical dust collector’s
electrical terminals
CAUTION
Before servicing, use the remote control to switch off all operations and pull out the electrical plug (or push the
circuit breaker to its “OFF” position)
Do not touch the electrical terminals when the electrical dust collector is operating. High tension electrical power
may cause serious electric shocks.
Caution should be taken to prevent the electrical dust collector’s electrical terminals from coming into contact with
water, as it may cause serious electric shocks.
!
- 19 -

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