DAIKIN ATXTP25M5V1B Room Air Conditioners User Manual

: June 5, 2024
: Daikin

DAIKIN ATXTP25M5V1B Room Air Conditioners

About the documentation

About this document

Thank you for purchasing this product. Please:
Keep the documentation for future reference.

Target audience End users

INFORMATION

This appliance is intended to be used by an expert or trained users in shops, in light industry, and on farms, or for commercial and household use by laypersons.

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/](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.

User safety instructions

Always observe the following safety instructions and regulations.

Instructions for safe operation

WARNING: MILDLY FLAMMABLE MATERIAL
The refrigerant inside this unit is mildly flammable.

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.

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. .

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.

CAUTION
NEVER expose little children, plants or animals directly to the airflow.

WARNING
Do NOT place a flammable spray bottle near the air conditioner and do NOT use sprays near the unit. Doing so may result in a fire.

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.

WARNING
The refrigerant inside the unit is mildly flammable, but normally does NOT 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 fire, or the formation of a harmful gas.
Turn off any combustible heating devices, ventilate the room, and contact the dealer 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.

WARNING
The appliance shall be stored so as to prevent mechanical damage and in a well-ventilated room without continuously operating ignition sources (e.g. open flames, an operating gas appliance, or an operating electric heater). The room size shall be as specified in the General safety precaution.

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.

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.

WARNING
Be careful with ladders when working in high places.

WARNING
Improper detergents or cleaning procedure may cause damage on plastic components or water leakage. Splashed detergent on electric components, such as motors, may cause failure, smoke or ignition.

DANGER: RISK OF ELECTROCUTION
Before cleaning, be sure to stop the operation, turn the breaker off or pull out the supply cord. Otherwise, an electric shock and injury may result.

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.

About the system

WARNING: MILDLY 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.

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 70 dBA.

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.

Indoor unit display

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

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.

NOTICE

Do NOT drop the user interface.
Do NOT let the user interface get wet.

Components: User interface

Signal receiver
OFF button
Fan setting button
Econo operation button
Swing buttons
Timer setting buttons (ON, OFF, cancel) g Powerful operation button
Comfort operation button
Temperature adjustment button
Operation mode buttons
Automatic operation mode button

To operate the user interface

Signal receiver

1 Aim the signal transmitter at the signal receiver on the indoor unit (maximum distance for communication is 7 m).
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.

Before operation

To insert the batteries
The batteries will last for about 1 year.

Remove the back cover.
Insert both batteries at once.
Put the cover back.

To mount the user interface holder

User interface
Screws (field supply)
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.

To turn on the power supply

Turn the circuit breaker on.
Result: The flap of the indoor unit will open and close to set the reference position.

Operation

Operation range: Use the system in the following temperature and humidity ranges for safe and effective operation.

Operation mode	Operation range
Cooling(a)(b)	▪ Outdoor temperature: –10~46°C DB

▪ Indoor temperature: 18~32°C DB

▪ Indoor humidity: ≤80%

Heating(a)| ▪ Outdoor temperature: –25~24°C DB

▪ Indoor temperature: 10~30°C DB

Drying(a)| ▪ Outdoor temperature: –10~46°C DB

▪ Indoor temperature: 18~32°C DB

▪ Indoor humidity: ≤80%

A safety device might stop the operation of the system if the unit runs outside its operation range.
Condensation and water dripping might occur if the unit runs outside its operation range.

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.

Setting	Description
Automatic	The system cools down or heats up a room to the temperature

setpoint. It automatically switches between cooling and heating if necessary.
Drying| The system decreases the humidity in a room.
Heating| The system heats up a room to the temperature setpoint.
Cooling| The system cools down a room to the temperature setpoint.
Fan| The system only controls the airflow (airflow rate and airflow direction).

The system does NOT control the temperature.

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.

To start/stop operation mode and to set the temperature

Operation mode = Automatic : Operation mode = Drying
Operation mode = Heating : Operation mode = Cooling
Operation mode = Fan only
Shows the set temperature.
Start operation by pressing one of the following buttons.
Mode| Press| Result|
---|---|---|---
Automatic operation| AUTO| | |
Cooling operation| COOL|
Drying operation| DRY|
The operation lamp lights up.|
Heating operation| HEAT|
Fan only operation| FAN ONLY|
2 Press or on the button one or more times to set the temperature. You CANNOT adjust the temperature in drying or fan only operation mode.
Cooling operation| Heating operation| Automatic operation| Drying or fan only operation
---|---|---|---
18~32°C| 10~30°C| 18~30°C| —
3 Press to stop operation . Result: The operation lamp goes off.

Airflow rate

INFORMATION

When using drying operation mode, you CANNOT adjust the airflow rate setting.
The airflow rate in heating mode will lower to avoid generating cold airflow. When temperature of the airflow rise, operation will continue at the set airflow rate.

Press FAN to choose:
1| 5 airflow rate levels, from ” ” to ” “
---|---
2| Automatic airflow rate operation
3| Indoor unit quiet operation. When the airflow rate is set to “”, the noise from the unit will be reduced.

INFORMATION
If the unit reach the temperature setpoint:

in cooling or automatic mode. Fan will stop operating.
in heating mode. Fan will operate in low airflow rate.

To adjust the air flow rate

Press FAN to change the airflow setting as follows:

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	Moves up and down.
Horizontal automatic swing	Moves from side to side.
+ 3-D airflow direction	Moves alternately up and down and from side to side
[—]	Stays in a fixed position.

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.

To adjust the vertical airflow direction

Press
Result: appears on the LCD. The flaps (horizontal blades) will begin to swing.
To use a fixed position, Presswhen the flaps reach the desired position.
Result: disappears from the LCD. The flaps will stop moving.

To adjust the horizontal airflow direction

Press
Result: appears on the LCD. The louvers (vertical blades) will begin to swing.
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.

To use 3-D airflow direction

Press and
Result: appear on the LCD. The flaps (horizontal blades) and louvers (vertical blades) will begin to swing.
To use fixed position, Press and when the flaps and louvers reach the desired position.
Results disappear from the LCD. The flaps and the louvers will stop moving.

Comfort airflow operation

This operation can be used in heating or cooling operation mode. It will provide a comfortable wind that will NOT come in direct contact with people. The system automatically sets the fixed airflow position upward in Cooling and downward in Heating operation mode. DAIKIN-ATXTP25M5V1B-Room-Air-
Conditioners-8

INFORMATION
Powerful and Comfort airflow operation CANNOT be used at the same time. The last selected function takes priority. If the vertical automatic swing is selected, Comfort airflow operation will be canceled.

To start/stop Comfort airflow operation

Press to start.
Result: The flap position will change, is displayed on the LCD, and the airflow rate is set to automatic. Mode| Position of flap…
---|---
Cooling/Drying| Up
Heating| Down
Press to stop.
Result : The flap will return to the position from before the Comfort airflow mode; disappears from the LCD.

Powerful operation
This operation quickly maximizes the cooling/heating effect in any operation mode. You can get the maximum capacity.

INFORMATION
Powerful operation CANNOT be used together with Econo and Comfort airflow operation. The last selected function takes priority. Powerful operation will NOT increase the capacity of the unit if it already operates at maximum capacity.

Press to start.
Result: is displayed on the LCD. Powerful operation runs for 20 minutes; after that, operation returns to the previously set mode.
Press to stop
Result: disappears from the LCD..

Note: Powerful operation can be set only when the unit is running. If or if you change operation mode, operation will be cancelled disappears from the LCD.

Econo operation

This is a function which enables efficient operation by limiting the maximum power consumption value. This function is useful for cases in which attention should be paid to ensure a circuit breaker will not trip when the product runs alongside other appliances.

INFORMATION

Powerful and Econo operation CANNOT be used at the same time. The last selected function takes priority.
Econo operation reduces power consumption of the outdoor unit by limiting the rotation speed of the compressor. If power consumption is already low, Econo operation will NOT further reduce power consumption.

To start/stop Econo operation

Press to start.
Result: is displayed on the LCD.
Press to stop
Result disappears from the LCD

OFF/ON timer operation

Timer functions are useful for automatically switching the air conditioner off/on at night or in the morning. You can also use OFF timer and ON timer in combination.

INFORMATION
Program the timer again in case of:

A breaker has turned the unit off.
A power failure.
After replacing batteries in the user interface.

Energy-saving and optimum operation

To start/stop OFF timer operation
Use this feature if the unit is operating and you want to stop operation after a certain time.

Press OFF
Result OFF 1HR is displayed on the LCD and the timer lamp lights up.
Press OFF again if you want to change the time setting.

INFORMATION
Each time OFF is pressed, the time setting advances by 1 hour. The timer can be set between 1 to 12 hours.

Example IF OFF 5HR is set when the unit is operating, operation will stop after 5 hours.

To cancel the setting, press CANCEL
Result: OFF and the time setting disappear from the LCD and the timer lamp goes off.

INFORMATION
Night set mode
When the OFF timer is set, the air conditioner automatically adjusts the temperature setting (0.5°C up in cooling, 2.0°C down in heating) to prevent excessive cooling/heating and ensure a comfortable sleeping temperature.

To start/stop ON timer operation
Use this feature if the unit is NOT operating and you want to start operation after a certain time.

Press ON
Result: ON 1HR is displayed on the LCD and the timer lamp lights up.
Press ON again if you want to change the time setting
INFORMATION
Each time ON is pressed, the time setting advances by 1 hour. The timer can be set between 1 to 12 hours.
Example: If ON 2 HR is set when the unit is NOT operating, operation will start after 2 hours.
To cancel the setting, press CANCEL
Result: ON and the time setting disappear from the LCD and the timer lamp goes off.

To combine OFF timer and ON timer

To set the timers, refer to “5.8.1 To start/stop OFF timer operation” [4 8] and “5.8.2 To start/stop ON timer operation” [4 8].
Result: OFF AND ON are displayed on the LCD.
Example:
IF ON 8HR OFF 1HR is set when the unit is operating.
Result: Operation stops in 1 hour and then starts 7 hours later.
If ON 2HR OFF 5HR is set when the unit is NOT operating.
Result: Operation starts in 2 hours and then stops 3 hours later.

Energy-saving and optimum operation

INFORMATION

Even if the unit is turned OFF, it consumes electricity.
When the power turns back on after a power break, the previously selected mode will be resumed.

CAUTION
NEVER expose little children, plants or animals directly to the airflow.

NOTICE
Do NOT place objects below the indoor and/or outdoor unit that may get wet. Otherwise, condensation on the unit or refrigerant pipes, air filter dirt or drain blockage may cause dripping, and objects under the unit may get dirty or damaged.

WARNING
Do NOT place a flammable spray bottle near the air conditioner and do NOT use sprays near the unit. Doing so may result in a fire.

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.

Maintenance and service

Overview: Maintenance and service
The installer has to perform 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

NOTICE
Applicable legislation on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indicated both in weight and CO2 equivalent. Formula to calculate the quantity in CO2 equivalent tonnes: GWP value of the refrigerant × total refrigerant charge [in kg] / 1000 Please contact your installer for more information.

WARNING
The refrigerant inside the unit is mildly flammable, but normally does NOT 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 fire, or the formation of a harmful gas.
Turn off any combustible heating devices, ventilate the room, and contact the dealer 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 odorless

WARNING
The appliance shall be stored so as to prevent mechanical damage and in a well-ventilated room without continuously operating ignition sources (e.g. open flames, an operating gas appliance, or an operating electric heater). The room size shall be as specified in the General safety precaution.

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.

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.

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.

WARNING
Be careful with ladders when working in high places.
Following symbols may occur on the indoor unit:

Explanation Measure the voltage at the terminals of main circuit capacitors or electrical components before servicing.

7 Maintenance and service

To clean the indoor unit and user interface

WARNING
Improper detergents or cleaning procedure may cause damage on plastic components or water leakage. Splashed detergent on electric components, such as motors, may cause failure, smoke or ignition.

NOTICE

Do NOT use gasoline, benzene, thinner, polishing powder or liquid insecticide. Possible consequence: Discoloration and deformation.
Do NOT use water or air of 40°C or higher. Possible consequence: Discoloration and deformation.
Do NOT use polishing compounds.
Do NOT use a scrubbing brush. Possible consequence: The surface finishing peels off.
As an end user, you may NEVER clean inside parts of the unit by yourself; this work must be performed by a qualified service person. Contact your dealer.

DANGER: RISK OF ELECTROCUTION
Before cleaning, be sure to stop the operation, turn the breaker off or pull out the supply cord. Otherwise, an electric shock and injury may result.

Clean with a soft cloth. If it is difficult to remove stains, use water or a neutral detergent.

To clean the front panel

Clean the front panel with a soft cloth. If it is difficult to remove stains, use water or a neutral detergent.

To open the front panel

Hold the front panel by the panel tabs on both sides and open it

To clean the air filters

Push the tab at the centre of each air filter, then pull it down.
Pull out the air filters.
Wash the air filters with water or clean them with a vacuum cleaner.
Soak in lukewarm water for about 10 to 15 minutes.

INFORMATION

If the dust does NOT come off easily, wash them with a neutral detergent diluted in lukewarm water. Dry the air filters in the shade.
It is recommended to clean the air filters every 2 weeks.

To clean the titanium apatite deodorising filter and the silver particle

filter (Ag-ion filter)

INFORMATION
Clean the filter with water every 6 months.

Remove the silver particle filter (Ag-ion filter) and titanium apatite deodorizing filter from the tabs
Remove the dust from the filter with a vacuum cleaner.
Soak the filter for 10 to 15 minutes in warm water
After washing, shake off the remaining water and dry the filter in the shade. Do NOT wring out the filter when removing water.

To replace the titanium apatite deodorizing filter and the silver particle filter (Ag-ion filter)

INFORMATION
Replace the filter every 3 years.

Remove the filter from the tabs and prepare a new filter.

INFORMATION
Dispose of the old filter as non-flammable waste.
To order titanium apatite deodorizing filter or silver particle filters, contact your dealer.

Item:
Titanium deodorizing filter
Silver particle filter

Part number
KAF970A46
KAF057A41

To close the front panel

Set the filters as they were.
Gently press the front panel at both sides and at the center until it clicks.

To take the following items into account before a long idle period

Set the mode to fan only by pressing button to dry the inside of the unit.
After operation stops, turn the breaker off.
Clean the air filters and replace them in their original position.
Remove the batteries from the user interface.

INFORMATION
It is recommended to have periodical maintenance performed by a specialist. For specialist maintenance, contact your dealer. Maintenance costs shall be borne by the customer.
In certain operating conditions the inside of the unit may get dirty after several seasons of use. This results in poor performance.
Winter season
NOTICE Any icicles on the outdoor unit MUST be removed. Use gloves to avoid injury and damage to the unit.

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. 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 properly work.| Turn OFF the main power switch.
If water leaks from the unit.| Stop the operation.
The operation switch does NOT work well.| Turn OFF the power supply.
The operation lamp flashes and you can check the error code by the user interface. To display the error code see the user reference guide.| Notify your installer and report the error code.

If the system does NOT operate properly except for the above mentioned cases and none of the above mentioned malfunctions is evident, investigate the system in accordance with the following procedures.

INFORMATION
Refer to the reference guide located on http://www.daikineurope.com/support- and-manuals/product-information/ for more troubleshooting tips.
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).

Disposal

NOTICE
Do NOT try to dismantle the system yourself: 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.