Daikin FTXJ20A2V1BW9 User Reference Manual

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User reference guide

Daikin room air conditioner

FTXJ20A2V1BB9

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FTXJ35A2V1BB9

FTXJ42A2V1BB9

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Summary of Contents for Daikin FTXJ20A2V1BW9

Page 1 User reference guide Daikin room air conditioner FTXJ20A2V1BW9 FTXJ20A2V1BB9 FTXJ20A2V1BS9 FTXJ25A2V1BW9 FTXJ25A2V1BB9 FTXJ25A2V1BS9 FTXJ35A2V1BW9 FTXJ35A2V1BB9 FTXJ35A2V1BS9 FTXJ42A2V1BW9 FTXJ42A2V1BB9 FTXJ42A2V1BS9 FTXJ50A2V1BW9 FTXJ50A2V1BB9 FTXJ50A2V1BS9...
Page 2 To insert the batteries..............................To mount the wireless remote control magnetic holder ....................To turn on the power supply............................Indoor unit setting................................4.4.1 Brightness of the Daikin eye .......................... 4.4.2 Open the front panel ............................. 4.4.3 Wireless LAN connection..........................4.4.4 Vertical airflow function ..........................
Page 3 Symptom: Some operation icons are not visible on the wireless remote control, or some functions cannot be activated in the ONECTA app ....................... 8.3.14 Symptom: In ONECTA app, powerful operation is NOT indicated as active..........9 Disposal 10 Glossary FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 4 User reference guide: Detailed step-by-step instructions and background information for basic and advanced usage Format: Digital files on https://www.daikin.eu. Use the search function find your model. Latest revisions of the supplied documentation may be available on the regional Daikin website or via your installer.
Page 5 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". FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 6 About the documentation Symbol Explanation Indicates a table title or a reference to it. Example: " 1–3 Table title" means "Table 3 in chapter 1". FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 7 Do NOT place any objects containing water on the unit. CAUTION ▪ Do NOT place any objects or equipment on top of the unit. ▪ Do NOT sit, climb or stand on the unit. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 8 10 cm. 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. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 9 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. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 10 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. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 11 Stop operation and shut OFF the power if anything unusual occurs (burning smells etc.). Leaving the unit running under such circumstances may cause breakage, electrical shock or fire. Contact your dealer. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 12 Always have qualified service personnel confirm that the point of leakage has been repaired or corrected before resuming operation. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 13 Timer operation Orange When the OFF/ON timer or Weekly timer operation is set, the Daikin eye periodically changes to orange. After lighting orange for about 10 seconds, it returns to the colour of the operation mode for 3 minutes. Example: When the timer is set during cooling operation, the Daikin eye will periodically light orange for 10 seconds, and then switch to...
Page 14 Menu navigation left/right buttons f Confirm button g Main menu button h Outdoor unit silent operation i Mode selection button (automatic, cooling, heating, dry, fan only) j Airflow rate setting button FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 15 Home screen during fan only and dry mode During Fan only or Dry mode, the temperature setpoint is replaced by the Fan only or Dry icon. Fan only mode Dry mode FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 16 "5.9 Outdoor unit quiet operation" [ 42] Intelligent eye operation "5.6 Intelligent eye operation" [ 39] Comfort operation "5.5 Airflow direction" [ 35] Weekly timer "5.11.3 Weekly timer operation" [ 47] On timer "5.11.2 OFF/ON timer operation" [ 45] FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 17 (function is prohibited) displays on the screen when the operation is OFF or in Fan only mode. Intelligent eye "5.6 Intelligent eye operation" [ 39] Airflow direction setting menu "5.5 Airflow direction" [ 35] FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 18 Indoor unit setting menu "4.4 Indoor unit setting" [ 21] Brightness of the Daikin eye Open the front panel when the unit is OFF Remark: (function is prohibited) displays on the screen when the operation is ON. When the unit is in operation, the front panel opens automatically.
Page 19 Test run during commissioning (for the installer or service person) Error code indication by the wireless remote control "8.2 Solving problems based on error codes" [ 64] QR code for ONECTA app "To install the ONECTA app" [ 23] FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 20 To insert the batteries ................................To mount the wireless remote control magnetic holder ...................... To turn on the power supply..............................Indoor unit setting .................................. 4.4.1 Brightness of the Daikin eye ..........................4.4.2 Open the front panel ............................. 4.4.3 Wireless LAN connection ............................
Page 21 2 Perform the settings listed below. 3 Press to return to the main menu or press to exit to the home screen. Setting list 4.4.1 Brightness of the Daikin eye ..........................4.4.2 Open the front panel ............................. 4.4.3 Wireless LAN connection ............................4.4.4 Vertical airflow function............................
Page 22 Before operation 4.4.1 Brightness of the Daikin eye You can set the brightness of the Daikin eye on the indoor unit to high, low or turn it OFF. To set the brightness of the Daikin eye 1 In the indoor unit setting menu, navigate to the brightness of the Daikin eye...
Page 23 4 Scan the QR code by smartphone or other smart devices. Result: The QR code will re-direct you to the App Store or Google Play. 5 Follow the directions on the screen to install. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 24 1 In the indoor unit setting menu, navigate to the Wireless LAN connection setting using . Press to enter the menu. Indoor unit setting menu Wireless LAN connection setting FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 25 WPS setting 2 Press the WPS button on your communication device (e.g. router) within approximately 1 minute. Refer to the manual of your communication device. Result: If the connection was successful, the Daikin eye colour alternates between blue and partly green. INFORMATION If the connection with your router is not possible, try procedure "To connect using...
Page 26 1 Enter the wireless LAN connection setting menu and change the setting to OFF using . Press to confirm your selection. Result: The Daikin eye alternates between green and white. Communication is OFF. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner...
Page 27 2 Select the setting according to the installation position using . Then confirm using If the unit is… Setting Result In the middle of the wall (factory default setting) FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 28 Wireless remote control setting menu 2 Perform the settings listed below. 3 Press to return to the main menu or press to exit to the home screen. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 29 Minimum: 0 seconds Maximum: 3 seconds 2 Change the setting using . Minimum is 0 seconds and maximum is 3 seconds. The value changes by 1 second with each step. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 30 4 Press the indoor unit ON/OFF switch while the Daikin eye is blinking. a ON/OFF switch INFORMATION If the setting could NOT be completed while the Daikin eye was blinking, repeat the setting process from the beginning. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q –...
Page 31 In heating mode, heat up a room. Heating ▪ In fan only mode, blow air in a room without heating or cooling. ▪ In drying mode, decrease the humidity in a room. Fan only Drying FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 32 To prevent the air from coming in direct contact with people. To save energy when nobody is in the room. "4.4.6 Keep dry" [ 28] To avoid increasing the room humidity. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 33 During defrosting operation, hot air is NOT blown from the indoor unit. ▪ Humidity sensor. Control the humidity by decreasing the humidity during cooling process. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 34 The carousel menu will always start with the currently active setting. 2 Press to start operation. 3 The home screen changes as follows and the Daikin eye indication lamp goes Home screen when unit is ON during… heating, cooling, drying operation...
Page 35 Moves the horizontal blades (flaps) up and down. Horizontal automatic swing Moves the vertical blades (louvers) from side to side. 3-D airflow direction Moves alternately up and down and from side to side FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 36 Flap position in heating operation (vertical airflow ON) In cooling and drying The airflow direction will change to spread the air along the ceiling. Comfort airflow active Comfort airflow disabled In heating FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 37 To start/stop Comfort airflow operation....................... 5.5.1 To adjust vertical airflow direction 1 In the airflow direction setting menu, navigate to the vertical airflow screen using 2 Change the setting using FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 38 3 To use fixed position, set the vertical and the horizontal airflow to OFF when the flaps and louvers reach the desired position. Result: disappears from the bottom of the home screen. The flaps and the louvers will stop moving. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 39 Detection mistakes. The sensor may mistakenly detect pets, sunlight, moving curtains, etc. 5.6.1 To start/stop Intelligent eye operation 1 Press to enter the main menu and navigate to the intelligent eye screen using FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 40 Result: Powerful operation active: appears on the bottom of the home screen. Result: Powerful operation disabled: disappears from the bottom of the home screen. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 41 Econo operation varies with the connected outdoor unit. 5.8.1 To start/stop Econo operation 1 Press to enter the main menu and navigate to the Econo screen using 2 Change the setting using FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 42 Note: remains on the home screen, even if you turn off the unit using the wireless remote control or indoor unit ON/OFF switch. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 43 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: FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 44 3 Go to the hours setting using Hours setting 0:00 4 Change the hour using (24-hour format). 5 Go to the minutes setting using Minutes setting 12:00 6 Change the minutes using FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 45 Result: appears on the bottom of the home screen. The set time is displayed on the OFF timer screen in the main menu. The Daikin eye lights orange. The unit will turn OFF after the set time. 7 To cancel the timer setting, go to the OFF timer setting menu and change TIME to CANCEL.
Page 46 Result: appears on the bottom of the home screen. The set time is displayed on the ON timer screen in the main menu. The Daikin eye lights orange. The unit will turn ON after the set time. 7 To cancel the timer setting, go to the ON timer setting menu and change TIME to CANCEL.
Page 47 The day of the week, OFF/ON timer mode, time and temperature (only for ON timer) can be set with the Weekly timer. Other settings are based on previous ON timer setting. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 48 2 Change OFF to ON using , then press to confirm your selection. Result: The Daikin eye lights orange. Settings for the first day of the week will display (4 entries for each day). Weekly timer disabled Weekly timer active 3 Navigate between days using .
Page 49 Exceptions: If the first unit that was turned on is set to fan only, and then in the other room heating mode is set, priority will be given to the unit set to the heating mode. The first unit will go in standby and the Daikin eye will flash. INFORMATION ▪...
Page 50 Activate this function if you wish to set all indoor units connected in a Multi-system to 1 operation mode. INFORMATION The Cooling/heating mode lock CANNOT be activated together with the priority room setting. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 51 Adjust the air flow direction to avoid cool air from gathering on the floor or warm air against the ceiling. (Up during cooling or dry operation to the ceiling and down during heating operation.) ▪ Avoid direct air flow to room inhabitants. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 52 Energy saving and optimum operation ▪ Operate the system within the recommended temperature range (26~28°C for cooling and 20~24°C for heating) to save energy. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 53 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. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 54 DANGER: RISK OF ELECTROCUTION Before cleaning, be sure to stop the operation, turn the breaker OFF or pull out the supply cord. Otherwise, an electrical shock and injury may result. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 55 5 Open the front panel until the support fits into the fixing tab. a Lock (1 on each side) b Backside of the front panel c Fixing tab d Support FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 56 3 Remove the titanium apatite deodorising filter and silver particle filter from the tabs. 4 Wash the air filters with water or clean them with a vacuum cleaner. 5 Soak in lukewarm water for about 10 to 15 minutes. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 57 Note: Do NOT remove the filter from the frame. 4 After washing, shake off remaining water and dry the filter in the shade. Do NOT wring out the filter when removing water. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 58 2 Lift the front panel slightly and remove the support from the fixing tab. a Backside of the front panel b Fixing tab c Support 3 Close the front panel. 4 Gently press the front panel down until it clicks. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 59 6 To re-install the front panel, perform the steps in the opposite order. 7.11 To take following items into account before a long idle period Operate the unit several hours in fan only mode to dry the inside of the unit. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 60 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. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 61 Stop operation. The operation switch does NOT function Turn OFF the power supply. properly. The Daikin eye flashes and you can check the Notify your installer and report error code by the wireless remote control. To the error code. display the error code, see "8.2 Solving...
Page 62 [ 45] and "5.11.3 Weekly timer operation" [ 47]. ▪ Check if the clock and the day of the week are set correctly. Refer "5.11.1 clock setting" [ 43]. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 63 Problem Measure Connection to the wireless LAN is not ▪ Try operating the unit with the possible (Daikin eye is NOT blinking wireless remote controller or other during wireless LAN connection setting). user interface. ▪ Check if the power is on.
Page 64 5 seconds to enter the self-diagnosis menu. 5 Navigate to the error code indication screen using . Press confirm your selection. Error code indication Error code list FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 65 Moisture generated by defrost becomes steam and is exhausted. 8.3.9 Symptom: The units can give off odours The unit can absorb the smell of rooms, furniture, cigarettes, etc., and then emit it again. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 66 When the powerful operation is activated while indoor unit is OFF, the powerful operation may not be displayed as active for 2 minutes until the cloud data are updated. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 67 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. FTXJ-A(W)(S)(B)9 User reference guide Daikin room air conditioner 4P518786-20Q – 2024.07...
Page 68 Optional equipment Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment NOT made by Daikin that can be combined with the product according to the instructions in the accompanying documentation.
Page 72 4P518786-20Q 2024.07...

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