4PEN393320-1C.book
Page 1 Thursday, October 5, 2017
10:32 AM
OPERATION MANUAL
System Inverter Air Conditioners
FXNQ20A2VEB
FXNQ25A2VEB
FXNQ32A2VEB
FXNQ40A2VEB
FXNQ50A2VEB
FXNQ63A2VEB
4PEN393320-1C.book
Page 1 Thursday, October 5, 2017
10:32 AM
CONTENTS
Read before operation
Part name and functions ...........................................2
Safety precautions ....................................................2
MAINTENANCE
Maintenance and inspection .....................................3
Cleaning the inside of the indoor unit........................4
Cleaning the air filter .................................................4
Cleaning the air outlet and exterior ...........................4
Troubleshooting ........................................................4
Specifications............................................................5
AFTER SALES SERVICE
After-sales service and maintenance........................5
1
English
4PEN393320-1C.book
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Read before operation
Part name and functions
In case of front suction
In case of bottom suction
Airflow duct
(local procurement)
Air outlet
(local procurement)
Airflow duct
(local procurement)
Air outlet
(local procurement)
Refrigerant piping
Refrigerant piping
Connection wire
Drain pipe
Drain pipe
Remote controller
Fan speed can be
selected (HH, H, L)
Air filter
Power supply
wiring
Power supply
wiring
Earth wire
Connection wire
Air filter
Remote controller
Fan speed can be selected (HH, H, L)
Earth wire
Safety precautions
To gain full advantage of the air conditioner’s functions
and to avoid malfunction due to mishandling, we recommend that you read this instruction manual carefully
before use.
• This air conditioner is classified under “appliances
not accessible to the general public”.
• The precautions described herein are classified
as WARNING and CAUTION. They both contain
important information regarding safety. Be sure
to observe all precautions without fail.
WARNING...........Failure to follow these instructions properly may result in personal injury or loss of life.
CAUTION............Failure to observe these instructions properly may result in property damage or personal injury,
which may be serious depending on the circumstances.
The English text is the original instruction. Other
languages are translations of the original instructions.
After reading, keep this manual in a convenient
place so that you can refer to it whenever necesEnglish
sary. If the equipment is transferred to a new user,
be sure also to hand over the manual.
Sound pressure level is less than 70dB(A).
WARNING
• Consult your local dealer about installation work.
Doing the work yourself may result in water leakage,
electric shocks or fire hazards.
• Consult your local dealer regarding modification,
repair and maintenance of the air conditioner.
Improper workmanship may result in water leakage,
electric shocks or fire hazards.
• Beware of fire in case of refrigerant leakage.
If the air conditioner is not operating correctly, i.e. not
generating cool or warm air, refrigerant leakage
could be the cause.
Consult your dealer for assistance.
The refrigerant within the air conditioner is safe and
normally does not leak.
However, in the event of a leakage, contact with a
naked burner, heater or cooker may result in generation of noxious gas.
Do not longer use the air conditioner until a qualified
service person confirms that the leakage has been
repaired.
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4PEN393320-1C.book
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10:32 AM
• Consult your local dealer regarding relocation
and reinstallation of the air conditioner.
Improper installation work may result in leakage,
electric shocks or fire hazards.
• This appliance can be used by children aged
from 8 years and above and persons with
reduced physical, sensory or mental capabilities
or lack of experience and knowledge if they have
been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
• Children shall not play with the appliance.
• Cleaning and user maintenance shall not be
made by children without supervision.
CAUTION
• Do not place objects in direct proximity of the
outdoor unit and do not let leaves and other
debris accumulate around the unit.
Leaves are a hotbed for small animals which can
enter the unit. Once in the unit, such animals can
cause malfunctions, smoke or fire when making contact with electrical parts.
• This appliance is intended to be used by expert
or trained users in shops, in light industry and on
farms, or for commercial use by lay persons.
Information requirements for fan coil units
Item
Symbol
Value
Unit
Cooling capacity
(sensible)
Prated, c
A
kW
Cooling capacity (latent)
Prated, c
B
kW
Heating capacity
Prated, h
C
kW
Total electric power input
Pelec
D
kW
Sound power level
(per speed setting
if applicable)
LWA
E
dB
DAIKIN INDUSTRIES CZECH REPUBLIC s.r.o.
U Nové Hospody 1/1155, 301 00 Plzeň
Skvrňany, Czech Republic
Contact details
THE ABOVE TABLE RELATES TO THE MODELS
AND VALUES STATED IN THIS TABLE
A
B
C
D
E
FXNQ20A2VEB
1.9
0.3
2.5
0.071
51
FXNQ25A2VEB
2.1
0.7
3.2
0.071
51
FXNQ32A2VEB
2.6
1
4
0.071
51
FXNQ40A2VEB
3.3
1.2
5
0.078
52
FXNQ50A2VEB
4
1.6
6.3
0.099
53
FXNQ63A2VEB
4.9
2.2
8
0.11
54
3
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., hairspray
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 attachment 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 operation,
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 cleaning
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).
English
4PEN393320-1C.book
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Cleaning the inside of the
indoor unit
• Never dry the filter by direct firing. Doing so may
result in burning.
• For cleaning local procurements, consult with your
dealer.
• 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.
(1) Use a vacuum cleaner (A) or wash the air filter (B) to
remove dust and trash.
(A) Remove dust and trash using a vacuum cleaner.
Periodic 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 environment, increase the frequency of air filter cleaning.
• 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
(B) Wash it with water.
When the air filter is very dirty, use a soft brush and neutral detergent.
Dewater and dry in the shade.
3. Attach the air filter.
4. Push the “filter sign reset” button on the remote
controller.
The display “
1. Remove the air filter.
In case of front side
Main unit
Filter
Attach the
filter to the
main unit
Force
while pushing
down on the
bends.
Force
” vanishes.
Cleaning the air outlet and
exterior
CAUTION
• Do not use gasoline, benzene, thinner, polishing
powder or liquid insecticide.
• Do not use hot water of 50°C or higher, as doing so
may result in discoloration or deformation.
(1) Clean with dry soft cloth.
(When it is difficult to remove stains, use water or
neutral detergent.)
Troubleshooting
If the following phenomenon occurs, contact
your dealer.
In case of bottom side
2. Clean it.
CAUTION
• Do not wash the air conditioner with hot water of
more than 50°C. Doing so may result in discoloration
or deformation.
English
WARNING
• When the air conditioner is malfunctioning (giving off a burning odour, etc.) turn off power to the
unit and contact your local dealer.
Continued operation under such circumstances may
result in a failure, electric shocks or fire hazards.
• Contact your dealer.
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4PEN393320-1C.book
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Phenomenon
• If a safety device such as a fuse, a breaker or an
earth leakage breaker actuates;
Take the following actions before contact.
Do not turn on the main power switch.
• If the ON/OFF switch does not properly work;
Take the following actions before contact.
Turn off the main power switch.
Phenomenon
• Water leaks out from the air conditioner.
Take the following actions before contact.
Stop the operation.
Phenomenon
• The “OPERATION lamp”, “INSPECTION display” or
“UNIT No.” is winking and lit, and “MALFUNCTION
CODE” is displayed.
OPERATION lamp
UNIT No.
C
L H
INDOOR UNIT No. in
which a malfunction occurs
INSPECTION
display
MALFUNCTION CODE
Take the following actions before contact.
Inform the dealer of the details being displayed on
the remote controller.
Specifications
Product type and running noise
Model No.
Model
Function
Type
20
25
32
40
50
63
Heat pump type
Combination system
Separate type
Condenser
cooling
method
Air cooling type
Air blowing
method
Direct air-blowing type
Rated cooling capacity 2200 2800 3600 4500 5600 7100
(W)
Rated heating capacity 2500 3200 4000 5000 6300 8000
(W)
5
AFTER SALES SERVICE
After-sales service and
maintenance
WARNING
• Consult your local dealer regarding modification,
repair and maintenance of the air conditioner.
Improper workmanship may result in water leakage,
electric shocks or fire hazards.
• Consult your local dealer regarding relocation
and reinstallation of the air conditioner.
Improper installation work may result in leakage,
electric shocks or fire hazards.
• Beware of fire in case of refrigerant leakage.
If the air conditioner is not operating correctly, i.e. not
generating cool or warm air, refrigerant leakage
could be the cause.
Consult your dealer for assistance.
The refrigerant within the air conditioner is safe and
normally does not leak.
However, in the event of a leakage, contact with a
naked burner, heater or cooker may result in generation of noxious gas.
Do not longer use the air conditioner until a qualified
service person confirms that the leakage has been
repaired.
• When asking your dealer to repair, inform related
staff of the details as follows:
• Product No. of air conditioner:
Refer to the warranty card.
• Shipping date and installation date:
Refer to the warranty card.
• Malfunction:
Inform the staff of the defective details.
(Malfunction code being displayed on
the remote controller.)
• Name, address, telephone number
• Repair where the warranty term is expired
Contact your dealer. If necessary to repair, pay service is available.
• Minimum storage period of important parts
Even after a certain type of air conditioner is discontinued, we at Daikin have the related important parts
in stock for 9 years at least.
The important parts indicate parts essential to operate the air conditioner.
• Maintenance and inspection
Since dust collects after using the unit for several
years, the performance will be deteriorated to some
extent.
English
4PEN393320-1C.book
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10:32 AM
It is recommended to request the technical staff to
perform maintenance (pay service). For further
details, consult with your dealer.
• Where to call
For after-sales service, etc., consult with your dealer.
• When disposing the air conditioner, removing/
installing and maintaining it, collect the refrigerant.
The maintenance cost must be borne by the user.
Important information regarding
the refrigerant used
This product contains fluorinated greenhouse gases.
Do not vent gases into the atmosphere.
Refrigerant type: R410A
GWP (1) value: 2087.5
(1)
Call the service shop immediately.
WARNING
• When an abnormality (such as a burning smell)
occurs, stop operation and turn the breaker OFF.
Continued operation in an abnormal condition may
result in troubles, electric shocks or fire.
Consult the service shop where you bought the air
conditioner.
• Do not attempt to repair or modify the air conditioner by yourself.
Incorrect work may result in electric shocks or fire.
Consult the service shop where you bought the air
conditioner.
If one of the following symptoms takes place, call the
service shop immediately.
„ The power cord is abnormally hot or damaged.
„ An abnormal sound is heard during operation.
„ The safety breaker, a fuse, or the earth leakage
breaker cuts off the operation frequently.
„ A switch or a button often fails to work properly.
„ There is a burning smell.
„ Water leaks from the indoor unit.
Turn the breaker
OFF and call the
service shop.
■ After a power failure
The air conditioner automatically resumes operation in about 3
minutes. You should just wait for a while.
■ Lightning
If lightning may strike the neighbouring area, stop operation and
turn the breaker OFF for system protection.
We recommend periodical maintenance.
GWP = global warming potential
Periodical inspections for refrigerant leaks may be
required depending on European or local legislation.
Please contact your local dealer for more information.
NOTICE regarding tCO2eq
In Europe, the greenhouse gas emissions of
the total refrigerant charge in the system
(expressed as tonnes CO2 -equivalent) is used
to determine the maintenance intervals. Follow
the applicable legislation.
Formula to calculate the greenhouse gas
emissions:
GWP value of the refrigerant × Total refrigerant
charge [in kg] / 1000
Disposal requirements
Your product and the batteries supplied with
the controller are marked with this symbol.
This symbol means that electrical and electronic products and batteries shall not be mixed with
unsorted household waste.
For batteries, a chemical symbol can be printed
beneath the symbol. This chemical symbol means that
the battery contains a heavy metal above a certain
concentration. Possible chemical symbols are:
Pb: lead (>0.004%)
Do not try to dismantle the system yourself; the dismantling of the product, treatment of the refrigerant, of oil and
of other parts must be done by a qualified installer in
accordance with relevant local and national legislation.
Units and waste batteries must be treated at a specialized
treatment facility for re-use, recycling and recovery.
By ensuring correct disposal, you will help to prevent
potential negative consequences for environment and
human health.
Please contact the installer or local authority for more
information.
Dismantling of the unit, treatment of the refrigerant, of
oil and of other parts must be done in accordance with
relevant local and national legislation.
In certain operating conditions, the inside of the air conditioner may get foul after several seasons of use,
resulting in poor performance. It is recommended to
have periodical maintenance by a specialist aside from
regular cleaning by the user. For specialist maintenance, contact the service shop where you bought the
air conditioner.
English
6
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10:32 AM
Copyright 2014 Daikin
4PEN393320-1C.book
4P393320-1C 2017.08
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