Daikin ATXM20N2V1B, ATXM25N2V1B, ATXM35N2V1B, ATXM50N2V1B Operation manuals
Operation manual
Daikin room air conditioner
ATXM20N2V1B
ATXM25N2V1B
ATXM35N2V1B
ATXM50N2V1B
Operation manual
Daikin room air conditioner
English
Table of contents
Table of contents
1 About the documentation 2
1.1 About this document.................................................................. 2
2 About the system 2
2.1 Indoor unit ................................................................................. 2
2.1.1 Indoor unit display....................................................... 3
2.2 About the user interface ............................................................ 3
2.2.1 Components: User interface ....................................... 3
3 Before operation 3
3.1 To insert the batteries................................................................ 3
3.2 To fix the user interface to the wall............................................ 4
3.3 To set the clock ......................................................................... 4
3.4 Brightness of the indoor unit display ......................................... 4
3.4.1 To set the brightness of the indoor unit display .......... 4
3.5 To turn on the power supply...................................................... 4
4 Operation 4
4.1 Operation range ........................................................................ 4
4.2 Operation mode and temperature setpoint................................ 4
4.2.1 To start/stop operation mode and to set the
temperature................................................................. 5
4.3 Airflow rate ................................................................................ 5
4.3.1 To adjust the airflow rate............................................. 5
4.4 Airflow direction ......................................................................... 5
4.4.1 To adjust vertical airflow direction............................... 5
4.4.2 To adjust horizontal airflow direction........................... 5
4.4.3 To use 3-D airflow direction ........................................ 6
4.5 Comfort airflow and Intelligent eye operation ............................ 6
4.5.1 Comfort airflow operation............................................ 6
4.5.2 Intelligent eye operation.............................................. 6
4.5.3 To start/stop Comfort and Intelligent eye operation.... 6
4.6 Powerful operation .................................................................... 6
4.6.1 To start/stop Powerful operation ................................. 6
4.7 Econo and Outdoor unit quiet operation.................................... 6
4.7.1 Econo operation.......................................................... 6
4.7.2 Outdoor unit quiet operation ....................................... 6
4.7.3 To start/stop Econo and Outdoor unit quiet operation 7
4.8 Flash Streamer (air cleaning) operation .................................... 7
4.8.1 To start/stop Flash Streamer (air cleaning) operation. 7
4.9 OFF/ON timer operation............................................................ 7
4.9.1 To start/stop OFF timer operation............................... 7
4.9.2 To start/stop ON timer operation................................. 7
4.9.3 To combine OFF timer and ON timer.......................... 8
4.10 Weekly timer operation.............................................................. 8
4.10.1 To set Weekly timer operation .................................... 8
4.10.2 To copy reservations................................................... 9
4.10.3 To confirm reservations .............................................. 9
4.10.4 To deactivate and reactivate Weekly timer operation . 9
4.10.5 To delete reservations ................................................ 9
4.11 Wireless LAN connection .......................................................... 9
4.11.1 Precautions when using the wireless adapter............. 9
4.11.2 To install the Daikin Online Controller application ...... 10
5 Energy saving and optimum operation 10
6.10 To take following items into account before a long idle period ... 12
7 Troubleshooting 13
8 Disposal 13
1 About the documentation
1.1 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:
▪ 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
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.
6 Maintenance and service 10
6.1 Overview: Maintenance and service ......................................... 10
6.2 To clean the indoor unit and user interface ............................... 11
6.3 To clean the front panel............................................................. 11
6.4 To remove the front panel ......................................................... 11
6.5 About the air filters .................................................................... 11
6.6 To clean the air filters ................................................................ 11
6.7 To clean the titanium apatite deodorizing filter.......................... 12
6.8 To replace the titanium apatite deodorizing filter....................... 12
6.9 To re-install the front panel........................................................ 12
Operation manual
2
2.1 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.
ATXM20~50N2V1B
Daikin room air conditioner
3P485919-9S – 2020.05
3 Before operation
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AAA.LR03
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.
2.1.1 Indoor unit display
2.2.1 Components: User interface
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
2.2 About the user interface
▪ 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.
a Signal transmitter
b LCD display
c Temperature adjustment button
d ON/OFF button
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
3 Before operation
3.1 To insert the batteries
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.
NOTICE
ATXM20~50N2V1B
Daikin room air conditioner
3P485919-9S – 2020.05
▪ Do NOT drop the user interface.
▪ Do NOT let the user interface get wet.
INFORMATION
▪ Low energy of battery is indicated by flashing of LCD
display.
▪ ALWAYS replace both batteries at once.
Operation manual
3
4 Operation
cba
2×
3.2 To fix the user interface to the wall
a User interface
b Screws (field supply)
c User interface holder
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.
3.3 To set the clock
Note: If the time is NOT set, , , and blink.
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.
3 Press .
Result: blinks.
4 Press or to set the correct time.
5 Press .
Result: Setting is complete. blinks.
3.5 To turn on the power supply
1 Turn the circuit breaker on.
Result: The flap of the indoor unit will open and close to set the
reference position.
4 Operation
4.1 Operation range
Use the system in the following temperature and humidity ranges for
safe and effective operation.
In combination with outdoor units: 2AMXM and 3AMXM
Cooling and
Outdoor temperature –10~46°CDB –15~24°CDB
Indoor temperature 18~37°C DB
14~28°CWB
Indoor humidity ≤80%
In combination with other outdoor units
Cooling and
Outdoor temperature –10~50°CDB –20~24°CDB
Indoor temperature 18~37°C DB
14~28°CWB
Indoor humidity ≤80%
If operated outside the operation range:
(a) A safety device might stop the operation of the system.
(b) Condensation might occur on the indoor unit and drip.
drying
drying
(a)
–15~18°CWB
10~30°CDB
(b)
(a)
–21~18°CWB
10~30°CDB
(b)
4.2 Operation mode and temperature setpoint
When. Adjust the system operation mode and set the temperature
when you want to:
▪ Heat up or cool down a room
▪ Blow air in a room without heating or cooling
▪ Decrease the humidity in a room
What. The system operates differently, depending on the user
selection.
Heating
—
Heating
—
(a)
(a)
3.4 Brightness of the indoor unit display
Adjust the brightness of the indoor unit display as desired, or turn
OFF the display.
3.4.1 To set the brightness of the indoor unit display
1 Keep pressed for at least 2seconds every time you need to
change the setting.
Result: Brightness will be changed in order: high, low, off.
Operation manual
4
INFORMATION
Operation modes: cooling, drying and automatic are
NOT available for the heating only version of the product.
Setting Description
Automatic
Drying
Heating
Cooling
The system cools down or heats up a
room to the temperature setpoint. It
automatically switches between cooling
and heating if necessary.
The system decreases the humidity in a
room without changing the temperature.
The system heats up a room to the
temperature setpoint.
The system cools down a room to the
temperature setpoint.
ATXM20~50N2V1B
Daikin room air conditioner
3P485919-9S – 2020.05
4 Operation
Setting Description
Fan
Additional info:
▪ Outside temperature. The system's cooling or heating effect
decreases when the outside temperature is too high or too low.
▪ Defrost operation. During heating operation, frost might occur on
the outdoor unit and decrease the heating capacity. In that case,
the system automatically switches to defrosting operation to
remove the frost. During defrosting operation, hot air is NOT
blown from the indoor unit.
▪ Humidity sensor. Control the humidity by decreasing the
humidity during cooling process.
The system only controls the airflow
(airflow rate and airflow direction).
The system does NOT control the
temperature.
4.2.1 To start/stop operation mode and to set the temperature
: Unit is operating.
: Operation mode = Automatic
: Operation mode = Drying
: Operation mode = Cooling
: Operation mode = Heating
: Operation mode = Fan only
INFORMATION
▪ If the unit reach the temperature setpoint in cooling,
heating or automatic mode. Fan will stop operating.
▪ When using drying operation mode, you CANNOT
adjust the airflow rate setting.
4.3.1 To adjust the airflow rate
1 Press to change the airflow setting as follows:
4.4 Airflow direction
When. Adjust the airflow direction as desired.
What. The system directs the airflow differently, depending on the
user selection (swinging or fixed position). It does so by moving
horizontal blades (flaps) or vertical blades (louvers).
Setting Airflow direction
Vertical automatic
swing
Horizontal
automatic swing
+ 3-D airflow
direction
[—] Stays in a fixed position.
Moves up and down.
Moves from side to side.
Moves alternately up and down and
from side to side
: Shows the set temperature.
1 Press one or more times to select the operation mode.
Result: The mode will be set as follows:
2 Press to start operation.
Result: and the selected mode are displayed on the LCD.
3 Press or one or more times to lower or raise the
temperature.
Cooling
operation
18~32°C 10~30°C 18~30°C —
Note: When using drying or fan only mode, you cannot adjust the
temperature.
4 Press to stop operation.
Result: disappears from the LCD. The operation lamp goes
off.
Heating
operation
Automatic
operation
Drying or Fan
only operation
4.3 Airflow rate
1 Press to choose:
5 airflow rate levels, from " " to " "
Automatic operation
Indoor unit quiet operation. When the airflow is set to
" ", the noise from the unit will be reduced.
CAUTION
ALWAYS use a user interface to adjust the position of the
flaps and louvers. When the flaps and louvers are swinging
and you move them forcibly by hand, the mechanism will
break.
The movable range of the flap varies according to the operation
mode. The flap will stop at the upper position when the airflow rate is
changed to low during the up and down swing setting.
4.4.1 To adjust vertical airflow direction
1 Press .
Result: appears on the LCD. The flaps (horizontal blades)
will begin to swing.
2 To use fixed position, press when the flaps reach the
desired position.
Result: disappears from the LCD. The flaps will stop
moving.
4.4.2 To adjust horizontal airflow direction
1 Press .
Result: appears on the LCD. The louvers (vertical
blades) will begin to swing.
2 To use fixed position, press when the louvers reach the
desired position.
Result: disappears from the LCD. The louvers will stop
moving.
INFORMATION
When the unit is installed in a corner of a room, the
direction of the louvers should be facing away from the
wall. Efficiency will drop if a wall blocks the air.
ATXM20~50N2V1B
Daikin room air conditioner
3P485919-9S – 2020.05
Operation manual
5
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