Hitachi RA-08LEF Скачать руководство пользователя страница 2

Always turn off and unplug the unit before any cleaning or maintenance to ensure safety.

CAUTION

!

PRE-FILTER

If the pre- lter is clogged with dust, the air  ow volume will be decreased and resulting in poor cooling performance, and 
increased operating noise. Be sure to clean the  lter about every 20 days.

 1   Remove the suction grille by pulling the bottom corner and slightly lift up the 

suction grille.

 2  -  3  Pull downward to unhook the suction grille and remove the suction grille.

   

  Lift and unhook the bottom of the pre- lter and remove it.

   

  Remove dust from the pre- lter by using a vacuum cleaner. If the pre- lter 

is very dirty, wash it with detergent and rinse properly with water. Dry 
the pre- lter with soft cloth and do not expose it to heat or under direct 
sunlight.

   

  Install the pre- lter  by   tting the top hooks and then hook the bottom of 

the pre- lter.

   

  Attach the suction grille back to its place by hooking at the top side to 

the front cover, then gently push at bottom corner.

  Do not use hot water above 40°C for cleaning the pre- lter.

  Do not operate the air conditioner without the pre- lter.

CAUTION

!

FRONT COVER AND SUCTION GRILLE

Clean the front cover and suction grille with a soft dry cloth. When it is excessively dirty, wipe it with a soft cloth dampened 
with mild soap, then wipe it again thoroughly with a soft dry cloth.

The suction grille can also be removed and be washed with water and mild soap. Remove the suction grille in the 
following manner.

 1   Remove the suction grille by pulling the bottom corner 

and slightly lift up the suction grille .

 2  -  3 

Pull downward to unhook the suction grille and remove 
the suction grille.

Never use hot water above 50°C, erosive chemicals or brush to clean the front cover and suction grille because they 
will damage the plastic surface.

Does not operate at all

Poor cooling performance

Check the following items before asking for service. If the malfunction persists, please contact service centre.

!

CAUTIONS

1

  Is the power cord loosened or unplugged?

2

  Is the fuse blown out or the circuit breaker tripped? 

3

  Is the voltage normal?

4

  Is the main switch set to “OFF” position?

1

  Is the pre- lter covered with heavy dust?

 Clean 

pre- lter and replace it.

2

  Is the temperature setting correctly? 

3

  Is the sunlight fall directly in the air conditioner?

4

  Is the air  ow on the rear side (outdoor) blocked?

 

Leave a space of 900 mm (3 feet) behind the rear side of air conditioner.

5

  The doors or windows may be opened widely or there are other sources of heat in 

the room.

6

  Is the ventilation damper opened?

Symptom

Check

If the power supply cord is damaged, it must be replaced by the manufacturer, its service agent or similiarly quali ed 
persons in order to avoid a hazard.

CAUTION

!

Remove all the shipping parts before installation and consult an authorised dealer concerning installation requirements, 
otherwise may damage the air conditioner.

LOCATION

  Select a location that can support the weight of the air conditioner and will not cause increased operating noise and 

vibration.

  Select a location to avoid direct sunlight on the air conditioner.

  Select a good location for ef cient air circulation.

  Select a location where there is no obstacles near the air inlet and outlet.

  The installation material must be corrosion proof, especially the air conditioner is installed near the sea or hot spring. 

  Do not install air conditioner in the places where there is a possibility of in ammable gas leaks.

  Secure tightly the cabinet with screws to the frame. Otherwise there may be danger of the air conditioner dropping.

  Please keep the recommended installation dimensions. Otherwise waterdrops or malfunction may occur.

!

CAUTIONS

POWER SOURCE

  Check the capacity of wiring and power outlet. The power outlet should be used exclusively for the air conditioner. Do 

not use it with other appliances. Any wiring must follow the national wiring regulation.

  Ground the air conditioner to prevent danger of electric shock.

  Connect the air conditioner with power source securely.

  Use a fuse as below:

RA-08LEF
RA-10LEF
RA-13LEF

Voltage rating

Operatable

Voltage range

50Hz 220V

15A time delay fuse

50Hz 198-242V

This appliance must be earth

CAUTION

!

REMOVE THE FRONT COVER

SLIDE OUT OF UNIT

Remove the front cover in the following manner.

After slide in the unit, please install a sealer between 
the base pan and cabinet to prevent from entering rain 
water in case of typhoon. Fasten the unit to cabinet at 
the side with the screw, then re t the front cover.

1

   Remove the suction grille by pulling the bottom corner and 

slightly lift up the suction grille.

 2  -  3

  Pull downward to unhook the suction grille and remove 

the suction grille.

4

   Lift and unhook the bottom of the pre- lter and remove it.

5

   Remove two screws which secure the front cover.

6

   Remove the front cover from lower side. Disconnect the 

timing motor connector at right side of the electrical box.

1

  Remove the four screws which fasten the base pan 

to the cabinet at the side and back.

2

  Remove the stopper at front left side of base. (RA-13LEF)

3

  Slide out the unit by pulling the handles.

1

  Remove the rubber plug from the base pan.

2

  Install the drain pan by using 2 pieces of screws (provided) at the cabinet.

3

  Connect the drain pan with the drain hose to drain point. (Drain hose or tubing 

can be purchase locally. Drain hose inner diameter should be around ø13mm 
or 1/2 inch.)

4

   Pour 2 glasses of water into the drain pan to ensure the drainage is functioning 

normal.

5

  Slide the air conditioner unit back into the cabinet.

DRAIN PAN

CONDENSED WATER DRAINAGE

This air conditioner use a “turbo fan splashing ring” which is designed to splash the condensated water on the condenser 
surface for maximum cooling ef ciency, thus producing a splashing sound.
If you are uncomfortable with the sound, you can install an outside drainage by using 
the following procedure which may, reduce the cooling operation performance. 

The Drain Pan can be used in any positions as below and be secured by 2 screws to avoid water dropping problem:

Drain Pan edge shall not exceed the cabinet roller.

!

CAUTIONS

 

Have you removed the shipping parts? Please check the caution sheet which is 
attached at front cover.

Is the incline of room air conditioner regarding front and rear, right and left all right 
after installation?

Is the strength of installation suf cient?

Have you grounded the room air conditioner?

Have you fastened the unit to the cabinet?

Have you done a test operation, and are there any abnormal phenomena?

Item

No.

1

2

3

4

5

6

INSTALLATION WORK INSPECTION CHECK LIST

Check Item

Con rm

CAUTION

When using the operation of auto swing function, Please manually turn the vertical de ector to the utmost right angle before switching  
on the auto swing function.

An abnormal sound will occur when adjusting the vertical de ector before switching on the auto swing. This abnormality does not affect  
the operation.

It there is any abnormalities in the vertical movement during the auto swing operation, please do the above setting again.

When raining, rain water will enter the outdoor side. An abnormal sound will occur during operation of unit in raining conditions and 
approximately 10 minutes after rain stop. This will not affect the performance or liability of the room air conditioner.

MEMO

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Model

RA-08LEF

RA-10LEF

RA-13LEF

a

365

395

* Recommended dimension for performance testing purpose only.

b

490

580

c

Over 200

Over 200

d

Over 

100

e

Over 
1200

f

Over 

150

g

Over 

900

h

Over 

200

i

Over 

200

j*

130 or more

160 or more

Dimension (mm)

Recommended temperature range for safety testing should be as below:

Cold side :  Dry bulb 

21 – 32°C

 

  Wet bulb 

15 – 23°C

Hot side  :  Dry bulb 

21 – 43°C

 

  Wet bulb 

15 – 26°C

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IA1047: A 

>

MAINTENANCE

BEFORE ASKING FOR SERVICE

INSTALLATION INSTRUCTIONS

POWER CORD ARRANGEMENT

If power cord is withdrawn from left side of unit, please 
arrange the power cord as in  gure after installing the 
front cover.

20mm or more

20mm or more

INS RA-08-10-13LEF   2

2/8/13   12:54 PM

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