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Hitachi RA-08LDF Operation And Installation Manual page 2

Window type room air conditioner

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MAINTENANCE
!
CAUTION
Always turn off and unplug the unit before any cleaning or maintenance to ensure safety
PRE-FILTER
If the pre-fi lter is clogged with dust, the air fl ow volume will be decreased and resulting in poor cooling performance, and
increased operating noise. Be sure to clean the fi 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-fi lter and remove it.
Remove dust from the pre-fi lter by using a vacuum cleaner. If the pre-fi lter
is very dirty, wash it with detergent and rinse properly with water. Dry
the pre-fi lter with soft cloth and do not expose it to heat or under direct
sunlight.
Install the pre-fi lter by fi tting the top hooks and then hook the bottom of
the pre-fi 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.
CAUTION
!
Do not use hot water above 40°C for cleaning the pre-fi lter.
Do not operate the air conditioner without the pre-fi lter.
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.
!
CAUTIONS
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.
BEFORE ASKING FOR SERVICE
Check the following items before asking for service. If the malfunction persists, please contact service centre.
Symptom
Check
Does not operate at all
1
Is the power cord loosened or unplugged?
Is the fuse blown out or the circuit breaker tripped?
2
Is the voltage normal?
3
4
Is the main switch set to "OFF" position?
Poor cooling performance
Is the pre-fi lter covered with heavy dust?
1
Clean pre-fi lter and replace it.
2
Is the temperature setting correctly?
3
Is the sunlight fall directly in the air conditioner?
Is the air fl ow on the rear side (outdoor) blocked?
4
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.
Is the ventilation damper opened?
6
CAUTION
!
If the power supply cord is damaged, it must be replaced by the manufacturer, its service agent or similiarly qualifi ed
persons in order to avoid a hazard.
INSTALLATION INSTRUCTIONS
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 effi cient air circulation.
Select a location where there is no obstacles near the air inlet and outlet.
a
Model
b
c
RA-08LDF
365
490
Over 200
RA-10LDF
395
580
Over 200
RA-13LDF
* Recommended dimension for performance testing purpose only.
!
CAUTIONS
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 infl 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.
<
>
IA890: B
INS RA-08-10-13LDF 2
INS RA-08-10-13LDF 2
Dimension (mm)
g
d
e
f
h
i
Over
Over
Over
Over
Over
Over
100
1200
150
900
200
200
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-08LDF
15A time delay fuse
RA-10LDF
RA-13LDF
REMOVE THE FRONT COVER
Remove the front cover in the following manner.
Remove the suction grille by pulling the bottom corner and
1
slightly lift up the suction grille.
Pull downward to unhook the suction grille and remove
2 - 3
the suction grille.
Lift and unhook the bottom of the pre-fi lter and remove it.
4
Remove two screws which secure the front cover.
5
Remove the front cover from lower side. Disconnect the
6
timing motor connector at right side of the electrical box.
SLIDE OUT OF UNIT
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-13LDF)
3
Slide out the unit by pulling the handles.
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 refi t the front cover.
POWER CORD ARRANGEMENT
If power cord is withdrawn from left side of unit, please
arrange the power cord as in fi gure after installing the
front cover.
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 effi 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.
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.)
Pour 2 glasses of water into the drain pan to ensure the drainage is functioning
4
normal.
5
Slide the air conditioner unit back into the cabinet.
The Drain Pan can be used in any positions as below and be secured by 2 screws to avoid water dropping problem:
!
CAUTIONS
Drain Pan edge shall not exceed the cabinet roller.
CAUTION
When using the operation of auto swing function, Please manually turn the vertical defl ector to the utmost right angle before switching
on the auto swing function.
An abnormal sound will occur when adjusting the vertical defl 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.
INSTALLATION WORK INSPECTION CHECK LIST
Item
No.
Have you removed the shipping parts? Please check the caution sheet which is
1
attached at front cover.
Is the incline of room air conditioner regarding front and rear, right and left all right
2
after installation?
3
Is the strength of installation suffi cient?
4
Have you grounded the room air conditioner?
j*
5
Have you fastened the unit to the cabinet?
Have you done a test operation, and are there any abnormal phenomena?
6
130 or more
Recommended temperature range for safety testing should be as below:
160 or more
MEMO
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Voltage rating
50Hz 220V
!
CAUTION
Operatable
50Hz 198-242V
Voltage range
This appliance must be earth
20mm or more
Check Item
Cold side : Dry bulb
21 – 32°C
Wet bulb
15 – 23°C
Hot side : Dry bulb
21 – 43°C
Wet bulb
15 – 26°C
20mm or more
Confi rm
7/3/12 7:19 PM
7/3/12 7:19 PM

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This manual is also suitable for:

Ra-10ldfRa-13ldf