Daikin FNA35A2VEB User manual

Operation manual
Split system air conditioners English
Operation manual
Split system air conditioners
FNA25A2VEB
FNA35A2VEB
FNA50A2VEB
FNA60A2VEB

Table of Contents
Operation manual
2
FNA25~60A2VEB
Split system air conditioners
4P456953-1 – 2017.06
Table of Contents
1 About this document 2
2 About the system 2
2.1 Components .............................................................................. 2
2.2 Information related to units using R32 refrigerant ..................... 3
3 Before operation 3
4 Operation 4
4.1 Operation range ........................................................................ 4
5 Energy saving and optimum operation 5
6 Maintenance and service 5
6.1 Overview: Maintenance and service ......................................... 5
6.2 Cleaning the air filter, suction grille, air outlet and outside
panels ....................................................................................... 6
6.2.1 To clean the drain pan ................................................ 6
6.2.2 To clean the air outlet and outside panels .................. 6
6.2.3 To clean the air filter ................................................... 6
7 Troubleshooting 6
7.1 Symptoms that are NOT system malfunctions .......................... 7
7.1.1 Symptom: The system does not operate .................... 7
7.1.2 Symptom: White mist comes out of a unit (Indoor
unit) ............................................................................. 8
7.1.3 Symptom: Dust comes out of the unit......................... 8
7.1.4 Symptom: The units can give off odours..................... 8
7.1.5 Symptom: The operation stopped suddenly
(Operation lamp is on) ................................................ 8
7.1.6 Symptom: The outdoor fan rotates while the air
conditioner is not in operation ..................................... 8
7.1.7 Symptom: The heating operation stops suddenly and
a flowing sound is heard ............................................. 8
8 Disposal 8
1 About this document
Thank you for purchasing this product. Please:
▪ Read the documentation carefully before operating the user
interface to ensure the best possible performance.
▪ Keep the documentation for future reference.
Target audience
Endusers
INFORMATION
This appliance is intended to be used by expert or trained
users in shops, in light industry, and on farms, or for
commercial and household use by lay persons.
Documentation set
This document is part of a documentation set. The complete set
consists of:
▪General safety precautions:
▪ Safety instructions that you must read before operating your
system
▪ Format: Paper (in the box of the indoor unit)
▪Operation manual:
▪ Quick guide for basic usage
▪ Format: Paper (in the box of the indoor unit)
▪User reference guide:
▪ Detailed step-by-step instructions and background information
for basic and advanced usage
▪ Format: Digital files on http://www.daikineurope.com/support-
and-manuals/product-information/
Latest revisions of the supplied documentation may be available on
the regional Daikin website or via your installer.
The original documentation is written in English. All other languages
are translations.
2 About the system
INFORMATION
The sound pressure level is less than 70dBA.
WARNING: FLAMMABLE MATERIAL
The R32 refrigerant (if applicable) in this unit is mildly
flammable.1
WARNING
▪ Do not modify, disassemble, remove, reinstall or repair
the unit yourself as incorrect dismantling or installation
may cause an electric shock or fire. Contact your
dealer.
▪ In case of accidental refrigerant leaks, make sure there
are no naked flames. The refrigerant itself is entirely
safe and non-toxic. R410A is a non-combustible
refrigerant, and R32 is a mildly flammable refrigerant,
but they will generate a toxic gas when they
accidentally leak into a room where combustible air
from fan heaters, gas cookers, etc. is present. Always
have qualified service personnel confirm that the point
of leakage has been repaired or corrected before
resuming operation.
WARNING
Ask your dealer to install and reinstall the air conditioner.
Incomplete installation may result in a water leakage,
electric shock, and fire.
NOTICE
Improper installation or attachment of equipment or
accessories could result in electric shock, short-circuit,
leaks, fire or other damage to the equipment. Only use
accessories, optional equipment and spare parts made or
approved by Daikin.
2.1 Components
INFORMATION
The following illustration is an example and might NOT
match your system layout.
(1) Only for units using R32 refrigerant. Refer to the outdoor unit specifications for the type of refrigerant to be used.

3 Before operation
Operation manual
3
FNA25~60A2VEB
Split system air conditioners
4P456953-1 – 2017.06
a
b
c
f
d
e
aIndoor unit
bOutdoor unit
cUser interface
dRefrigerant piping and electric wiring
eDrain pipe
fEarth wire to ground outdoor unit to prevent electric
shocks.
CAUTION
Do not insert fingers, rods or other objects into the air inlet
or outlet. Do not remove the fan guard. When the fan is
rotating at high speed, it will cause injury.
CAUTION
NEVER touch the internal parts of the controller.
Do NOT remove the front panel. Some parts inside are
dangerous to touch and appliance problems may happen.
For checking and adjusting the internal parts, contact your
dealer.
NOTICE
Do not wipe the controller operation panel with benzine,
thinner, chemical dust cloth, etc. The panel may get
discoloured or the coating peeled off. If it is heavily dirty,
soak a cloth in water-diluted neutral detergent, squeeze it
well and wipe the panel clean. Wipe it with another dry
cloth.
NOTICE
Never press the button of the user interface with a hard,
pointed object. The user interface may be damaged.
NOTICE
Never pull or twist the electric wire of the user interface. It
may cause the unit to malfunction.
2.2 Information related to units using
R32 refrigerant
WARNING
Never use a flammable spray such as hair spray, lacquer
or paint near the unit. It may cause a fire, or, in case of
R32 refrigerant, misdetection by the refrigerant leakage
sensor.1
CAUTION
Do NOT turn off the breaker, unless you smell something
burning, or during a short repair period, inspection, or
cleaning of the unit. Otherwise, refrigerant leakage cannot
be detected.1
CAUTION
Do NOT install or use in highly airtight spaces, e.g.
soundproof chambers or rooms with sealed doors.1
CAUTION
This unit is equipped with electrically powered safety
measures, such as a refrigerant leak detector. In order to
be effective, the unit must be electrically powered at all
times after installation, except for short service periods.1
CAUTION
Do NOT install or use in places filled with smoke, gas,
chemicals etc. Sensors inside the indoor unit may detect
these substances, and display a refrigerant leak
abnormality.1
3 Before operation
WARNING
Ask your dealer for improvement, repair, and maintenance.
Incomplete improvement, repair, and maintenance may
result in water leakage, electric shock and fire.
WARNING
Ask your dealer to move and reinstall the air conditioner.
Incomplete installation may result in a water leakage,
electric shock, and fire.
WARNING
Never let the indoor unit or the user interface get wet. It
may cause an electric shock or a fire.
WARNING
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.
WARNING
Avoid placing the user interface in a place where it can be
splashed with water. Water entering the machine may
cause an electric leak or may damage the internal
electronic parts.
WARNING
This unit contains electrical and hot parts.
WARNING
Before operating the unit, be sure the installation has been
carried out correctly by an installer.
WARNING
Never use a flammable spray such as hair spray, lacquer
or paint near the unit. It may cause a fire.
(1) Only for units using R32 refrigerant. Refer to the outdoor unit specifications for the type of refrigerant to be used.

4 Operation
Operation manual
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WARNING
Do not place a flammable spray bottle near the air
conditioner and do not use sprays. Doing so may result in
a fire.
WARNING
Do NOT keep flammable materials inside the unit. They
may cause an explosion or a fire.
CAUTION
It is not good for your health to expose your body to the air
flow for a long time.
CAUTION
To avoid oxygen deficiency, ventilate the room sufficiently
if equipment with burner is used together with the system.
CAUTION
Do NOT operate the system when using a room
fumigation-type insecticide. Chemicals could collect in the
unit, and endanger the health of people who are
hypersensitive to chemicals.
CAUTION
Never expose little children, plants or animals directly to
the air flow.
CAUTION
Do not touch the heat exchanger fins. These fins are sharp
and could result in cutting injuries.
NOTICE
Do not place the user interface in a place exposed to direct
sunlight. The LCD display may get discoloured or fail to
display the data.
NOTICE
Do not place items which might be damaged by moisture
under the indoor unit. Condensation may form if the
humidity is above 80%, if the drain outlet is blocked or the
filter is polluted.
NOTICE
Arrange the drain hose to ensure smooth drainage.
Incomplete drainage may cause the building, furniture, etc.
to get wet.
This operation manual is for the following systems with standard
control. Before initiating operation, contact your dealer for the
operation that corresponds to your system type and mark. If your
installation has a customised control system, ask your dealer for the
operation that corresponds to your system.
4 Operation
4.1 Operation range
Use the system in the following temperature and humidity ranges for
safe and effective operation.
Outdoor units using R410A refrigerant
Outdoor unit Cooling Heating
RR71~125 Outdoor
temperature
–15~46°CDB —
Indoor
temperature
18~37°CDB
12~28°CWB
—
Outdoor units using R410A refrigerant
Outdoor unit Cooling Heating
RQ71~125 Outdoor
temperature
–5~46°CDB –9~21°CDB
–10~15°CWB
Indoor
temperature
18~37°CDB
12~28°CWB
10~27°CDB
RXS25~60 Outdoor
temperature
–10~46°CDB –15~24°CDB
–16~18°CWB
Indoor
temperature
18~32°CDB 10~30°CDB
3MXS40~68
4MXS68~80
5MXS90
Outdoor
temperature
–10~46°CDB –15~24°CDB
–16~18°CWB
Indoor
temperature
18~32°CDB 10~30°CDB
RZQG71~140 Outdoor
temperature
–15~50°CDB –19~21°CDB
–20~15.5°CWB
Indoor
temperature
18~37°CDB
12~28°CWB
10~27°CDB
RZQSG71~140 Outdoor
temperature
–15~46°CDB –14~21°CDB
–15~15.5°CWB
Indoor
temperature
20~37°CDB
14~28°CWB
10~27°CDB
RZQ200~250 Outdoor
temperature
–5~46°CDB –14~21°CDB
–15~15°CWB
Indoor
temperature
20~37°CDB
14~28°CWB
10~27°CDB
Indoor humidity ≤80%(a)
Outdoor units using R32 refrigerant
Outdoor unit Cooling Heating
RXM25~60 Outdoor
temperature
–10~46°CDB –15~24°CDB
–16~18°CWB
Indoor
temperature
18~32°CDB 10~30°CDB
3MXM40~68
4MXM68~80
5MXM90
Outdoor
temperature
–10~46°CDB –15~24°CDB
–16~18°CWB
Indoor
temperature
18~32°CDB 10~30°CDB
RZAG71~140 Outdoor
temperature
–20~52°CDB –19.5~21°CDB
–20~15.5°CWB
Indoor
temperature
18~37°CDB
12~28°CWB
10~27°CDB
RZASG71~140 Outdoor
temperature
–15~46°CDB –14~21°CDB
–15~15.5°CWB
Indoor
temperature
20~37°CDB
14~28°CWB
10~27°CDB
Indoor humidity ≤80%(a)
(a) To avoid condensation and water dripping out of the unit. If
the temperature or the humidity is beyond these conditions,
safety devices may be put in action and the air conditioner
may not operate.

5 Energy saving and optimum operation
Operation manual
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Split system air conditioners
4P456953-1 – 2017.06
5 Energy saving and optimum
operation
CAUTION
This unit is equipped with electrically powered safety
measures, such as a refrigerant leak detector. In order to
be effective, the unit must be electrically powered at all
times after installation, except for short service periods.1
Observe the following precautions to ensure the system operates
properly.
▪ Adjust the room temperature properly for a comfortable
environment. Avoid excessive heating or cooling.
▪ Prevent direct sunlight from entering a room during cooling
operation by using curtains or blinds.
▪ Ventilate often. Extended use requires special attention to
ventilation.
▪ Keep doors and windows closed. If the doors and windows remain
open, air will flow out of your room causing a decrease in the
cooling or heating effect.
▪ Be careful not to cool or heat too much. To save energy, keep the
temperature setting at a moderate level.
▪ Never place objects near the air inlet or the air outlet of the unit. It
may cause deterioration in the effect or stop the operation.
▪ When the display shows (time to clean the air filter), clean the
filters (see "6.2.3To clean the air filter"on page6).
▪ Keep the indoor unit and user interface at least 1 m away from
televisions, radios, stereos, and other similar equipment. Failing to
do so may cause static or distorted pictures.
▪ Do NOT place items under the indoor unit, as they may be
damaged by water.
▪ Condensation may form if the humidity is above 80% or if the
drain outlet gets blocked.
6 Maintenance and service
6.1 Overview: Maintenance and
service
The installer has to perform a yearly maintenance.
About the refrigerant
This product contains fluorinated greenhouse gases. Do NOT vent
gases into the atmosphere.
Refrigerant type: R32
Global warming potential (GWP) value: 675
Refrigerant type: R410A
Global warming potential (GWP) value: 2087.5
NOTICE
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
Please contact your installer for more information.
WARNING
R410A is a non-combustible refrigerant, and R32 is a
mildly flammable refrigerant; they normally don’t leak. If the
refrigerant leaks in the room and comes in contact with fire
from a burner, a heater, or a cooker, this may result in a
fire (in case of R32), or the formation of a harmful gas.
Turn off any combustible heating devices, ventilate the
room, and contact the dealer from where you purchased
the unit.
Do not use the unit until a service person confirms that the
part from which the refrigerant leaked has been repaired.
WARNING
▪ Do NOT pierce or burn refrigerant cycle parts.
▪ Do NOT use cleaning materials or means to accelerate
the defrosting process other than those recommended
by the manufacturer.
▪ Be aware that the refrigerant inside the system is
odourless.
NOTICE
Maintenance MUST be done by an authorized installer or
service agent.
We recommend performing maintenance at least once a
year. However, applicable legislation might require shorter
maintenance intervals.
DANGER: RISK OF ELECTROCUTION
To clean the air conditioner or air filter, be sure to stop
operation and turn all power supplies off. Otherwise, an
electric shock and injury may result.
▪ In case the unit is equipped with a refrigerant leakage
sensor, turn the power supply breaker back on
immediately after cleaning in order to maintain
detection functionality.
WARNING
To prevent electric shocks or fire:
▪ Do NOT rinse the unit.
▪ Do NOT operate the unit with wet hands.
▪ Do NOT place any objects containing water on the unit.
CAUTION
After a long use, check the unit stand and fitting for
damage. If damaged, the unit may fall and result in injury.
CAUTION
Do not touch the heat exchanger fins. These fins are sharp
and could result in cutting injuries.
NOTICE
When cleaning the heat exchanger, make sure to remove
the switch box and fan motor. Water or detergent might
deteriorate the insulation of electronic components and
result in burnout of these components.
WARNING
Be carefull with ladders when working in high places.
(1) Only for units using R32 refrigerant. Refer to the outdoor unit specifications for the type of refrigerant to be used.

7 Troubleshooting
Operation manual
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FNA25~60A2VEB
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4P456953-1 – 2017.06
6.2 Cleaning the air filter, suction
grille, air outlet and outside panels
6.2.1 To clean the drain pan
Clean the drain pan so that it does NOT become clogged and dusty.
Cover the drain pan to prevent dust from entering it.
6.2.2 To clean the air outlet and outside panels
WARNING
Do NOT let the indoor unit get wet. Possible
consequence: Electric shock or fire.
NOTICE
▪ Do NOT use gasoline, benzene, thinner polishing
powder or liquid insecticide. Possible consequence:
Discoloration and deformation.
▪ Do NOT use water or air of 50°C or higher. Possible
consequence: Discoloration and deformation.
▪ Do NOT scrub firmly when washing the blade with
water. Possible consequence: The surface sealing
peels off.
Clean with a soft cloth. If it is difficult to remove stains, use water or
neutral detergent.
6.2.3 To clean the air filter
When to clean the air filter:
▪ Rule of thumb: Clean every 6 months. If the air in the room is
extremely contaminated, increase the cleaning frequency.
▪ Depending on the settings, the user interface can display the
TIME TO CLEAN AIR FILTER notification. Clean the air filter
when the notification is displayed.
▪ If the dirt becomes impossible to clean, change the air filter
(=optional equipment).
How to clean the air filter:
1Turn OFF the power.
2 Remove the air filter. Push the hooks and pull the filter as
shown in the illustration below. (2 hooks for 25 and 35 type or 3
hooks for 50 and 60 type)
front suction bottom suction
2
1
2
1
3 Clean the air filter. Use a vacuum cleaner or wash with water.
If the air filter is very dirty, use a soft brush and neutral
detergent.
4 Dry the air filter in the shadow.
5 Reattach the air filter. Hook the filter behind the flap and
attach the filter to the main unit while pushing down the hooks.
front suction bottom suction
2
1
2
1
6Turn ON the power.
7Press the FILTER SIGN RESET button.
Result: The TIME TO CLEAN AIR FILTER notification disappears
from the user interface.
7 Troubleshooting
If one of the following malfunctions occur, take the measures shown
below and contact your dealer.
WARNING
Stop operation and shut off the power if anything
unusual occurs (burning smells etc.).
Leaving the unit running under such circumstances may
cause breakage, electric shock or fire. Contact your dealer.
WARNING
In case the unit is equipped with a refrigerant leakage
sensor1, turn off the unit using the ON/OFF button on the
user interface only.
The system must be repaired by a qualified service person:
Malfunction Measure
If a safety device such as a fuse, a
breaker or an earth leakage breaker
frequently actuates or the ON/OFF
switch does not function properly.
Turn off the main power
switch. In case of R32
refrigerant, turn off the
power using the ON/OFF
button on the user
interface only and contact
your dealer.
If water leaks from the unit. Stop operation.
The operation switch does not function
properly..
Turn off the main power
switch. In case of R32
refrigerant, turn off the
power using the ON/OFF
button on the user
interface only and contact
your dealer.
(1) Only for units using R32 refrigerant. Refer to the outdoor unit specifications for the type of refrigerant to be used.

7 Troubleshooting
Operation manual
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FNA25~60A2VEB
Split system air conditioners
4P456953-1 – 2017.06
Malfunction Measure
If the user interface display indicates the
unit number, the operation lamp flashes
and an error code appears.
Notify your installer and
report the error code.
If the system does not properly operate except for the above
mentioned cases and none of the above mentioned malfunctions is
evident, investigate the system according to the following
procedures.
Malfunction Measure
If the system does not
operate at all.
▪ Check if there is no power failure. Wait
until power is restored. If a power failure
occurs during operation, the system
automatically restarts immediately after
power is restored.
▪ Check if no fuse has blown or breaker is
activated. Change the fuse or reset the
breaker if necessary.
▪ Are batteries set in the remote controller?
▪ Is the timer setting correct?
The system operates,
but cooling or heating
is insufficient.
▪ Check if air inlet or outlet of outdoor or
indoor unit is not blocked by obstacles.
Remove any obstacles and make sure
the air can flow freely.
▪ Check if the air filter is clogged. Contact
your dealer to clean the air filter.
▪ Check the temperature setting. Refer to
the manual of the user interface.
▪ Check if the air flow angle is proper.
Refer to the manual of the user interface.
▪ Check the fan speed setting is set to low
speed. Refer to the manual of the user
interface.
▪ Check for open doors or windows. Close
doors and windows to prevent wind from
coming in.
▪ Check if direct sunlight enters the room.
Use curtains or blinds.
▪ If the heat source of the room is
excessive (when cooling). Cooling effect
decreases if heat gain of the room is too
large.
▪ Check if there are too many occupants in
the room during cooling operation. Check
if the heat source of the room is
excessive.
Operation stops
suddenly. (Operation
lamp blinks.)
▪ Check if the air filter is clogged. Contact
your dealer to clean the air filter (refer to
"Maintenance" in the indoor unit manual).
▪ Check if air inlet or outlet of outdoor or
indoor unit is not blocked by obstacles.
Remove any obstacles, turn the breaker
OFF and back ON. If the lamp still blinks,
contact your dealer.
▪ Check if all indoor units connected to
outdoor unit in the multi-system are
operating in the same mode.
An abnormal function
happens during
operation.
▪ The air conditioner may malfunction
because of lightning or radio waves. Turn
the breaker OFF and back ON.
▪ In case of refrigerant leakage sensor:1
Malfunction Measure
The fan is rotates,
even when the unit is
turned off. (Operation
lamp blinks)
Refrigerant leakage sensor started
working:
▪ If the error code " " is shown on the
user interface display, there may be
refrigerant leakage. Ventilate the room
and contact your dealer.
▪ If the error code" " is NOT shown on
the user interface display, there is no
refrigerant leakage or detection is still
going. If no leak is detected, the fan will
turn off automatically after a few minutes.
Sometimes the refrigerant leakage sensor
mistakenly detects other substances than
refrigerant, e.g. insecticides or hairspray.
The unit does not heat
or cool and the
ventilation setting has
switched to "Strong air
flow". (Operation lamp
blinks)
The fan of the indoor
or outdoor unit rotates,
even when the unit is
turned off.
The error code " " is
shown on the user
interface display.
The error code " " is
shown on the user
interface display.
▪ Malfunction of refrigerant leakage
sensor.
▪ Cable of refrigerant leakage sensor is
broken.
▪ Cable connection of refrigerant leakage
sensor is not complete.
▪ Malfunction of main printed circuit board.
Contact your dealer.
▪ Error codes for refrigerant leakage sensor.1 The code indication
changes as shown below and a long beep sound is heard.
Main code Contents
Refrigerant leak detected.
Abnormality of refrigerant
leakage sensor.
If after checking all above items, it is impossible to fix the problem
yourself, contact your installer and state the symptoms, the complete
model name of the unit (with manufacturing number if possible) and
the installation date (possibly listed on the warranty card).
7.1 Symptoms that are NOT system
malfunctions
The following symptoms are NOT system malfunctions:
7.1.1 Symptom: The system does not operate
▪ The air conditioner does not start immediately after the ON/OFF
button on the user interface is pressed. If the operation lamp
lights, the air conditioner is in normal condition. It does not restart
immediately because one of its safety devices actuates to prevent
the air conditioner from being overloaded. The air conditioner will
turn on again automatically after 3minutes.
▪ The air conditioner does not start immediately after the power
supply is turned on. Wait 1 minute until the microcomputer is
prepared for operation.
▪ The air conditioner does not restart immediately when the
temperature setting button is returned to its former position after
pushing. It does not restart immediately because one of its safety
devices actuates to prevent the air conditioner from being
overloaded. The air conditioner will turn on again automatically
after 3minutes.
▪ The outdoor unit has stopped. This is because the room
temperature has reached the set temperature. The unit switches
to fan operation. " " (external control icon) is displayed on
(1) Only for units using R32 refrigerant. Refer to the outdoor unit specifications for the type of refrigerant to be used.

8 Disposal
Operation manual
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FNA25~60A2VEB
Split system air conditioners
4P456953-1 – 2017.06
the user interface and the actual operation is different from the
user interface setting. For multi-split models, the microcomputer
executes the following control depending on the operation mode
of other indoor units.
▪ The fan speed is different from the setting. Pressing the fan speed
control button does not change the fan speed. When the room
temperature reaches the set temperature in heating mode or the
unit’s maximum capacity is reached, the outdoor unit will stop
operation and the indoor unit will operate in fan only mode (low
fan speed). In case of multi-split, the indoor unit alternately
operates in fan stop mode and fan only mode (LL= low fan
speed). This is to prevent the cool air from being blown directly
onto anyone present in the room.
7.1.2 Symptom: White mist comes out of a unit
(Indoor unit)
▪ When humidity is high during cooling operation (in oily and dusty
places). If the interior of an indoor unit is extremely contaminated,
the temperature distribution inside a room becomes uneven. It is
necessary to clean the interior of the indoor unit. Ask your dealer
for details on cleaning the unit. This operation requires a qualified
service person.
▪ When the air conditioner is changed over to heating operation
after defrost operation. Moisture generated by defrost becomes
steam and exits.
7.1.3 Symptom: Dust comes out of the unit
When the unit is used for the first time in a long time. This is
because dust has gotten into the unit.
7.1.4 Symptom: The units can give off odours
The unit can absorb the smell of rooms, furniture, cigarettes, etc.,
and then emit it again.
7.1.5 Symptom: The operation stopped
suddenly (Operation lamp is on)
The air conditioner may stop for system protection due to large
voltage fluctuation. It automatically resumes operation after about 3
minutes.
7.1.6 Symptom: The outdoor fan rotates while
the air conditioner is not in operation
▪After operation has stopped. The outdoor fan continues to
rotate for another 30 seconds for system protection.
▪While the air conditioner is not in operation. When the outdoor
temperature is very high, the outdoor fan starts to rotate for
system protection.
7.1.7 Symptom: The heating operation stops
suddenly and a flowing sound is heard
The system is removing frost on the outdoor unit. You should wait for
about 3 to 8minutes.
8 Disposal
This unit uses hydrofluorocarbon. Contact your dealer when
discarding this unit.
NOTICE
Do not try to dismantle the system yourself: the dismantling
of the system, treatment of the refrigerant, oil and other
parts must comply with applicable legislation. Units must
be treated at a specialised treatment facility for reuse,
recycling and recovery.

4P456953-1 2017.06
Copyright Daikin