9. MAINTENANCE 2
CAUTION
Before you clean the air conditioner, be sure the power
supply is off.
Check to ensure the wiring is not broken or disconnected.
Use a dry cloth to wipe the indoor unit and remote
controller.
A wet cloth may be used to clean the indoor unit if it is
very dirty.
Never use a damp cloth on the remote controller.
Do not use a chemically-treated duster for wiping or leave
such materials on the unit for a long period time because.
it may damage or fade the surface of the unit.
Do not use benzine, thinner, polishing powder, or similar
solvents for cleaning.
These may cause the plastic surface to crack or deform.
m Maintenance after a long stop period
Check and remove everything that might be blocking inlet
and outlet vents of indoor units and outdoor units.
Clean air filters and casings of indoor units.
Refer to "Cleaning the air filter" for details on how to proceed
and make sure to install cleaned air filters back in the same
position.
Turn on the power at least 12 hours before operating the unit
in order to ensure smoother operation. As soon as the power
is turned on, the remote controller displays appear.
[] Maintenance before a long stop period
3
4
Take out the air-in grill (together with the air filter shown in
Fig.6-1).
Pull the air-in grill down at 45" and lift it up to take out the
grill.
Dismantle the air filter
Clean the air filter
Vacuum cleaner or pure water may be used to clean the air
filter.If the dust accumulation istoo heavy, please use a soft
brush and mild detergent to clean it and dry it in cool place.
® The air-in side should face up when using avacuum cleaner.
(See Fig. 6-3)
The air-in side should face down when using water.
(See Fig. 6-4)
CAUTION
Do not dry out the air filter under direct sunshine or with
fire,
Re-install the air filter.
5
6
Install and close the air-in grill in the reverse order of step 1
and 2 and connect the control box cables to the
corresponding terminators of the main body.
Fig.6-1
Let the indoor units run in fan only mode for about half a
day in order to dry the interior of the units.
Clean air filters and casings of the indoor units. Refer to "
Cleaning the air filter" for details on how to proceed and
make sure to install cleaned air filters back in the same
position.
Cleaning the air filter
The air filter can prevent dust or other particulate from
entering the unit. in the case of filter blockage, the working
efficiency of the air conditioner may greatly decrease.
Therefore, the filter must be cleaned once every two weeks during
long time usage.
if the air conditioner is installed in a dusty place, clean the air
filter frequently.
If the accumulated dust is too heavy to be cleaned, please
replace the filter with a new one(replaceable air filter is an
optional fitting).
Open the air-in grill
Push the grill switches towards the middle simultaneously as
indicated in Fig.6-1. Then pull down the air-in grill.
The control box cables ,which are originally connected with
the main body electrical terminators must be pulled off first before
following the instructions above.
Fig. 6-2
Fig. 6-3
Fig. 6-4
20
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