M
AINTENANCE
Caution
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Only a qualified service person is allowed to perform
maintenance.
Before obtaining access to terminal devices, all power
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supply circuits must be interrupted.
Do not use water or air of 50°C or higher for cleaning
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air filters and outside panels.
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When cleaning the heat exchanger, be sure to remove
the switchbox, fan motor, auxiliary electric heater and
drain pump. Water or detergent may deteriorate the
insulation of electronic components and result in burn-
out of these components.
If the main power supply is turned off during
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operation, operation will restart automatically after the
power turns back on again.
How to clean the air filter
Clean the air filter when the display shows "
AIR FILTER).
Increase the frequency of cleaning if the unit is installed in a room
where the air is extremely contaminated.
If the dirt becomes impossible to clean, change the air filter. (Air filter
for exchange is optional.)
1
Open the suction grille. (Only for bottom suction.)
Slide both knobs simultaneously as shown and then pull them
downward.
If chains are present, unhook the chains.
2
Remove the air filters.
Remove the air filters by pulling their cloth upward (rear suction)
or backward (bottom suction).
rear suction
Installation and operation manual
8
3
Clean the air filter.
Use vacuum cleaner (A) or wash the air filter with water (B).
(A) Using a vacuum cleaner
When the air filter is very dirty, use soft brush and neutral
" (TIME TO CLEAN
detergent.
Remove water and dry in the shade.
4
Fix the air filter.
Align the two hanger brackets and push the two clips in their
place (pull the cloth if necessary).
Confirm that four hangers are fixed.
5
Shut the air inlet grille. (Only for bottom suction.)
Refer to item no. 1.
6
After turning on the power, press FILTER SIGN RESET button.
The "TIME TO CLEAN AIR FILTER" display is turned off.
bottom suction
(B) Washing with water
rear suction
bottom suction
CS-20~125FMHPP
Urban Multi air conditioner
4PW12340-1B