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3
English
Maintenance
WARNING
• Only a qualified person is allowed to perform
maintenance without daily maintenance.
• Before touching any of connection wirings, be
sure to turn off all power supply switches.
• Do not use flammable materials (e.g., hair-
spray or insecticide) near the product.
Do not clean the product with organic solvents
such as paint thinner.
The use of organic solvents may cause crack
damage to the product, electric shocks, or fire.
• Contact professional personnel about attach-
ment of accessories and be sure to use only
accessories specified by the manufacturer.
If a defect results from your own workmanship, it
may result in water leaks, electric shock or fire.
CAUTION
• Before cleaning, be sure to stop unit opera-
tion, turn the breaker off or remove the power
cord.
Otherwise, an electric shock and injury may result.
• Do not wash the air conditioner with water, as
this may result in electric shocks or fire.
• Consult your dealer regarding cleaning the
inside of the air conditioner.
Improper cleaning may cause breakage of plastic
parts, water leakage and other damage as well as
electric shocks.
• Watch your steps at the time of air filter clean-
ing or inspection.
High-place work is required, to which utmost
attention must be paid.
If the scaffold is unstable, you may fall or topple
down, thus causing injury.
Maintenance and inspection
• Clean the drain pan periodically. The drain pipes
clogged with dust will cause water leakage.
• For cleaning, consult with your Daikin dealer.
(Before each season when cooling or heating is
required, clean the air conditioner.)
• If the area around the indoor unit is very dusty, use
a dust-proof cover (local procurement).
Cleaning the inside of the indoor unit
• It is necessary to clean the inside of the indoor unit
periodically.
Since the cleaning requires special technologies,
request a Daikin dealer to clean them.
Daily maintenance:
Cleaning the air filter
Explanation
• Removing the air filter except when cleaning the
air conditioner may result in accidents.
• When the
mark is displayed on the remote
controller, please clean the filter.
• When the operating time exceeds the designated
time, this mark will be displayed.
• If using the air conditioner under very dusty envi-
ronment, increase the frequency of air filter clean-
ing.
• When you want to change the setting time until the
mark is displayed, consult with your dealer.
(The default factory setting is 2500 hours.)
• There are the following time, display pattern.
1250, 2500, 5000, 10000
1. Remove the air filter.
Information requirements for fan coil units
Item
Symbol
Value
Unit
Cooling capacity
(sensible)
P
rated, c
A
kW
Cooling capacity (latent)
P
rated, c
B
kW
Heating capacity
P
rated, h
C
kW
Total electric power input
P
elec
D
kW
Sound power level
(per speed setting
if applicable)
L
WA
E
dB
Contact details
DAIKIN INDUSTRIES CZECH REPUBLIC s.r.o.
U Nové Hospody 1/1155, 301 00 Plze
ň
Skvr
ň
any, Czech Republic
THE ABOVE TABLE RELATES TO THE MODELS
AND VALUES STATED IN THIS TABLE
Models
A
B
C
D
E
FXDQ15A3VEB
1.5
0.2
1.9
0.071
50
FXDQ20A3VEB
1.9
0.3
2.5
0.071
51
FXDQ25A3VEB
2.1
0.7
3.2
0.071
51
FXDQ32A3VEB
2.6
1
4
0.071
51
FXDQ40A3VEB
3.3
1.2
5
0.078
52
FXDQ50A3VEB
4
1.6
6.3
0.099
53
FXDQ63A3VEB
4.9
2.2
8
0.11
54
Attach the filter to the
main unit while pushing
down on the bends.
Main unit
Force
Force
Filter
In case of back side
In case of bottom side
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