Daikin CTXM15N2V1B, FTXM20N2V1B, FTXM25N2V1B, FTXM35N2V1B, FTXM42N2V1B User reference guide
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User reference guide
Daikin room air conditioner
CTXM15N2V1B
FTXM20N2V1B
FTXM25N2V1B
FTXM35N2V1B
FTXM42N2V1B
FTXM50N2V1B
FTXM60N2V1B
FTXM71N2V1B
Table of contents
Table of contents
1 General safety precautions 4
1.1 About the documentation .............................................................................................................................................. 4
1.1.1 Meaning of warnings and symbols ................................................................................................................ 4
1.2 For the user..................................................................................................................................................................... 5
2 About the documentation 7
2.1 About this document ...................................................................................................................................................... 7
2.2 User reference guide at a glance.................................................................................................................................... 7
3 About the system 9
3.1 Indoor unit ...................................................................................................................................................................... 9
3.1.1 Indoor unit display.......................................................................................................................................... 10
3.2 About the user interface................................................................................................................................................. 11
3.2.1 Components: User interface .......................................................................................................................... 11
3.2.2 Status: User interface LCD.............................................................................................................................. 12
3.2.3 To operate the user interface ........................................................................................................................ 13
4 Before operation 14
4.1 Overview: Before operation ........................................................................................................................................... 14
4.2 To insert the batteries .................................................................................................................................................... 14
4.3 To fix the user interface to the wall................................................................................................................................ 14
4.4 About the clock ............................................................................................................................................................... 15
4.4.1 To set the clock ............................................................................................................................................... 15
4.5 Brightness of the indoor unit display ............................................................................................................................. 16
4.5.1 To set the brightness of the indoor unit display ............................................................................................ 16
4.6 To turn on the power supply .......................................................................................................................................... 16
5 Operation 17
5.1 Operation range.............................................................................................................................................................. 17
5.2 When to use which feature ............................................................................................................................................ 17
5.3 Operation mode and temperature setpoint .................................................................................................................. 18
5.3.1 To start/stop operation mode and to set the temperature .......................................................................... 19
5.4 Airflow rate ..................................................................................................................................................................... 20
5.4.1 To adjust the airflow rate ............................................................................................................................... 20
5.5 Airflow direction ............................................................................................................................................................. 20
5.5.1 To adjust vertical airflow direction ................................................................................................................ 21
5.5.2 To adjust horizontal airflow direction ............................................................................................................ 21
5.5.3 To use 3-D airflow direction ........................................................................................................................... 21
5.6 Comfort airflow and Intelligent eye operation .............................................................................................................. 22
5.6.1 Comfort airflow operation ............................................................................................................................. 22
5.6.2 Intelligent eye operation ................................................................................................................................ 22
5.6.3 To start/stop Comfort and Intelligent eye operation .................................................................................... 23
5.7 Powerful operation ......................................................................................................................................................... 23
5.7.1 To start/stop Powerful operation .................................................................................................................. 23
5.8 Econo and Outdoor unit quiet operation....................................................................................................................... 24
5.8.1 Econo operation ............................................................................................................................................. 24
5.8.2 Outdoor unit quiet operation......................................................................................................................... 24
5.8.3 To start/stop Econo and Outdoor unit quiet operation ................................................................................ 25
5.9 Flash Streamer (air cleaning) operation ......................................................................................................................... 25
5.9.1 To start/stop Flash Streamer (air cleaning) operation .................................................................................. 25
5.10 OFF/ON timer operation................................................................................................................................................. 25
5.10.1 To start/stop OFF timer operation................................................................................................................. 26
5.10.2 To start/stop ON timer operation.................................................................................................................. 26
5.10.3 To combine OFF timer and ON timer............................................................................................................. 27
5.11 Weekly timer operation .................................................................................................................................................. 27
5.11.1 To set Weekly timer operation ...................................................................................................................... 28
5.11.2 To copy reservations ...................................................................................................................................... 29
5.11.3 To confirm reservations ................................................................................................................................. 30
5.11.4 To deactivate and reactivate Weekly timer operation.................................................................................. 30
5.11.5 To delete reservations.................................................................................................................................... 30
5.12 Wireless LAN connection ................................................................................................................................................ 31
5.12.1 Precautions when using the wireless adapter............................................................................................... 31
5.12.2 To install the Daikin Online Controller application........................................................................................ 31
5.12.3 Wireless adapter components ....................................................................................................................... 32
5.13 About Multi system......................................................................................................................................................... 32
5.13.1 Priority room setting ...................................................................................................................................... 32
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CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
Table of contents
5.13.2 Night quiet mode............................................................................................................................................ 33
5.13.3 Cooling/heating mode lock ............................................................................................................................ 34
6 Energy saving and optimum operation 35
7 Maintenance and service 37
7.1 Overview: Maintenance and service .............................................................................................................................. 37
7.2 To clean the indoor unit and user interface................................................................................................................... 38
7.3 To clean the front panel ................................................................................................................................................. 38
7.4 To remove the front panel.............................................................................................................................................. 39
7.5 About the air filters......................................................................................................................................................... 39
7.6 To clean the air filters ..................................................................................................................................................... 39
7.7 To clean the titanium apatite deodorizing filter ............................................................................................................ 40
7.8 To replace the titanium apatite deodorizing filter......................................................................................................... 41
7.9 To re-install the front panel............................................................................................................................................ 42
7.10 To take following items into account before a long idle period .................................................................................... 42
8 Troubleshooting 43
8.1 Symptoms that are NOT system malfunctions............................................................................................................... 45
8.1.1 Symptom: A sound like water flowing is heard ............................................................................................. 45
8.1.2 Symptom: A blowing sound is heard.............................................................................................................. 45
8.1.3 Symptom: A ticking sound is heard................................................................................................................ 45
8.1.4 Symptom: A whistling sound is heard ............................................................................................................ 45
8.1.5 Symptom: A clicking sound during operation or idle time is heard .............................................................. 45
8.1.6 Symptom: A clapping sound is heard............................................................................................................. 45
8.1.7 Symptom: White mist comes out of a unit (Indoor unit, outdoor unit)........................................................ 46
8.1.8 Symptom: The units can give off odours ....................................................................................................... 46
8.1.9 Symptom: The outdoor fan rotates while the air conditioner is not in operation ....................................... 46
8.2 Solving problems based on error codes ......................................................................................................................... 46
8.3 Troubleshooting for wireless connection adapter......................................................................................................... 47
8.4 Solving problems based on the LED on the outdoor unit .............................................................................................. 48
9 Disposal 50
10 Glossary 51
CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
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1 | General safety precautions
1 General safety precautions
1.1 About the documentation
▪ The original documentation is written in English. All other languages are
translations.
▪ The precautions described in this document cover very important topics, follow
them carefully.
▪ The installation of the system, and all activities described in the installation
manual and in the installer reference guide MUST be performed by an authorised
installer.
1.1.1 Meaning of warnings and symbols
DANGER
Indicates a situation that results in death or serious injury.
DANGER: RISK OF ELECTROCUTION
Indicates a situation that could result in electrocution.
DANGER: RISK OF BURNING
Indicates a situation that could result in burning because of extreme hot or cold
temperatures.
DANGER: RISK OF EXPLOSION
Indicates a situation that could result in explosion.
WARNING
Indicates a situation that could result in death or serious injury.
WARNING: FLAMMABLE MATERIAL
CAUTION
Indicates a situation that could result in minor or moderate injury.
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4
NOTICE
Indicates a situation that could result in equipment or property damage.
INFORMATION
Indicates useful tips or additional information.
Symbols used on the unit:
CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
Symbol Explanation
Before installation, read the installation and operation
manual, and the wiring instruction sheet.
Before performing maintenance and service tasks, read the
service manual.
For more information, see the installer and user reference
guide.
The unit contains rotating parts. Be careful when servicing or
inspecting the unit.
Symbols used in the documentation:
Symbol Explanation
Indicates a figure title or a reference to it.
Example: " 1–3 Figure title" means "Figure 3 in chapter 1".
Indicates a table title or a reference to it.
Example: " 1–3 Table title" means "Table 3 in chapter 1".
1 | General safety precautions
1.2 For the user
WARNING
If you are NOT sure how to operate the unit, contact your
installer.
WARNING
This appliance is not intended for use by persons, including
children, with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless
they have been given supervision or instruction concerning
use of the appliance by a person responsible for their
safety.
Children should be supervised to ensure that they do not
play with the appliance.
Cleaning and user maintenance must not be carried out by
children without supervision.
CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
WARNING
To prevent electrical 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.
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1 | General safety precautions
▪ Units are marked with the following symbol:
This means that electrical and electronic products may NOT be mixed with
unsorted household waste. Do NOT try to dismantle the system yourself: the
dismantling of the system, treatment of the refrigerant, of oil and of other parts
must be done by an authorized installer and must comply with applicable
legislation.
Units must be treated at a specialized treatment facility for reuse, recycling and
recovery. By ensuring this product is disposed of correctly, you will help to
prevent potential negative consequences for the environment and human
health. For more information, contact your installer or local authority.
▪ Batteries are marked with the following symbol:
CAUTION
▪ Do NOT place any objects or equipment on top of the
unit.
▪ Do NOT sit, climb or stand on the unit.
This means that the batteries may NOT be mixed with unsorted household
waste. If a chemical symbol is 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%).
Waste batteries must be treated at a specialized treatment facility for reuse. By
ensuring waste batteries are disposed of correctly, you will help to prevent
potential negative consequences for the environment and human health.
User reference guide
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CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
2 About the documentation
2.1 About this document
Thank you for purchasing this product. Please:
▪ Keep the documentation for future reference.
Target audience
Endusers
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:
2 | About the documentation
- 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.
2.2 User reference guide at a glance
Chapter Description
CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
General safety precautions Safety instructions that you MUST read before
operation
About the documentation What documentation exists for the user
About the system ▪ Operation range
▪ Description of indoor unit and user
interface
Before operation What to do before starting operation
Operation How and when to use certain features
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2 | About the documentation
Chapter Description
Energy saving and optimum
How to save energy
operation
Maintenance and service How to maintain and service the unit
Troubleshooting What to do in case of problems
Disposal How to dispose of the system
Glossary Definition of terms
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CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
3 About the system
WARNING: FLAMMABLE MATERIAL
The refrigerant inside this unit is mildly flammable.
NOTICE
Do NOT use the system for other purposes. In order to avoid any quality
deterioration, do NOT use the unit for cooling precision instruments, food, plants,
animals, or works of art.
3.1 Indoor unit
CAUTION
Do NOT insert fingers, rods or other objects into the air inlet or outlet. When the fan
is rotating at high speed, it will cause injury.
INFORMATION
The sound pressure level is less than 70dBA.
3 | About the system
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, non-toxic and mildly flammable, but it will
generate toxic gas when it accidentally leaks 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.
INFORMATION
The following figures are just examples and may NOT completely match your system
layout.
CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
User reference guide
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3 | About the system
a
e
d
l
m
g
k
h
f
b
c
i
j
a
b
c
d
e
a Air inlet
b Air outlet
c Front panel
d Service cover
e Place for wireless adapter
f Indoor unit display
g Intelligent eye sensor
h Room temperature sensor
i Only for class 15~42: Titanium apatite deodorizing filter (without frame)
j Only for class 50~71: Titanium apatite deodorizing filter (with frame)
k Air filter
l Flaps (horizontal blades)
m Louvers (vertical blades)
3.1.1 Indoor unit display
a Signal receiver for user interface
b Operation lamp
c Timer lamp
d Intelligent eye lamp
e ON/OFF button
ON/OFF button
If the user interface is missing, you can use the ON/OFF button on the indoor unit
to start/stop operation. When operation is started using this button, the following
settings are used:
▪ Operation mode = Automatic
▪ Temperature setting = 25°C
▪ Airflow rate = Automatic
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CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
3.2 About the user interface
d
a
g
m
h
c
b
n
l
f
e
i
j
k
p
o
▪ Direct sunlight. Do NOT expose the user interface to direct sunlight.
▪ Dust. Dust on the signal transmitter or receiver will reduce sensitivity. Wipe off
dust with a soft cloth.
▪ Fluorescent lights. Signal communication might be disabled if fluorescent lamps
are in the room. In that case, contact your installer.
▪ Other appliances. If the user interface signals operate other appliances, move
the other appliances, or contact your installer.
▪ Curtains. Make sure that the signal between the unit and the user interface is
NOT blocked by curtains or other objects.
NOTICE
▪ Do NOT drop the user interface.
▪ Do NOT let the user interface get wet.
3.2.1 Components: User interface
3 | About the system
a Signal transmitter
b LCD display
c Temperature adjustment button
d ON/OFF button
CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
e Vertical swing button
f Horizontal swing button
g Comfort airflow and Intelligent eye operation button
h Select button
i Clock and indoor unit display brightness button
j OFF/ON timer operation buttons
k Weekly timer operation buttons
l Flash Streamer (air cleaning) operation button
m Econo and Outdoor unit quiet operation button
n Mode button
o Powerful button
p Fan button
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3 | About the system
3.2.2 Status: User interface LCD
Icon Description
Operation is active
Operation mode = Automatic
Operation mode = Drying
Operation mode = Heating
Operation mode = Cooling
Operation mode = Fan only
Powerful operation is active
Econo operation is active
Outdoor unit quiet operation is active
The indoor unit receives a signal from the user interface
Current temperature setting
Airflow rate = Automatic
Airflow rate = Indoor unit quiet
Airflow rate = High
Airflow rate = Medium high
Airflow rate = Medium
Airflow rate = Medium low
User reference guide
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Airflow rate = Low
Comfort operation is active
Intelligent eye is active
Automatic vertical swing is active
Automatic horizontal swing is active
CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
Icon Description
a
3.2.3 To operate the user interface
3 | About the system
Flash Streamer (air cleaning) is active
ON timer is active
OFF timer is active
Weekly timer is active
Day of the week
Current time
a Signal receiver
1 Aim the signal transmitter at the signal receiver on the indoor unit (maximum
distance for communication is 7m).
Result: When the indoor unit receives a signal from the user interface, you will
hear a sound:
Sound Description
Beep-beep Operation starts.
Beep Setting changes.
Long beep Operation stops.
CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
User reference guide
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4 | Before operation
2
3
1
AAA.LR03
cba
2×
4 Before operation
4.1 Overview: Before operation
4.2 To insert the batteries
This chapter describes what you have to do before operating the unit.
Typical workflow
Before operation usually consist of the following stages:
▪ Inserting the batteries in the user interface.
▪ Fixing the user interface to the wall.
▪ Setting the brightness of the indoor unit display.
▪ Setting the clock.
▪ Turning on the power supply.
The batteries will last for about 1 year.
1 Remove the front cover.
2 Insert both batteries at once.
3 Put back the front cover.
INFORMATION
▪ Low energy of battery is indicated by flashing of LCD display.
▪ ALWAYS replace both batteries at once.
4.3 To fix the user interface to the wall
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CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
1 Choose a place where the signals reach the unit.
2 Attach the holder with screws to the wall or a similar location.
3 Hang the user interface on the user interface holder.
4.4 About the clock
If the indoor unit's internal clock is NOT set to the correct time, the ON timer, OFF
timer and weekly timer will NOT operate correctly. The clock must be set again:
▪ After a circuit breaker has turned the unit OFF.
▪ After a power failure.
▪ After replacing batteries in the user interface.
4.4.1 To set the clock
Note: If the time is NOT set, , , and blink.
4 | Before operation
a User interface
b Screws (field supply)
c User interface holder
1 Press .
Result: and blink
2 Press or to set the current day of the week.
Note: Holding down or increases or decreases the time setting rapidly.
Display Day of the week
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
3 Press .
Result: blinks.
CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
4 Press or to set the correct time.
5 Press .
Result: Setting is complete. blinks.
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4 | Before operation
4.5 Brightness of the indoor unit display
4.5.1 To set the brightness of the indoor unit display
4.6 To turn on the power supply
Adjust the brightness of the indoor unit display as desired, or turn OFF the display.
1 Keep pressed for at least 2 seconds every time you need to change the
setting.
Result: Brightness will be changed in order: high, low, off.
1 Turn the circuit breaker on.
Result: The flap of the indoor unit will open and close to set the reference position.
User reference guide
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CTXM15+FTXM20~71N2V1B
Daikin room air conditioner
4P518786-3F – 2020.05
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