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Daikin FTXF50F5V1B Installer's Reference Manual
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Daikin FTXF50F5V1B Installer's Reference Manual

Split system air conditioners
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FTXF50F5V1B

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Summary of Contents for Daikin FTXF50F5V1B

  • Page 1 Installer reference guide Split system air conditioners FTXF50F5V1B...
  • Page 2 Connecting the electrical wiring ............................ 8.2.1 About connecting the electrical wiring ......................8.2.2 Precautions when connecting the electrical wiring..................8.2.3 Guidelines when connecting the electrical wiring ..................8.2.4 Specifications of standard wiring components..................... Installer reference guide FTXF50F5V1B Split system air conditioners 4P769827-12D – 2024.09...
  • Page 3 To perform a test run in winter season......................12 Hand-over to the user 13 Disposal 14 Technical data 14.1 Wiring diagram ................................14.1.1 Unified wiring diagram legend ........................15 Glossary FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 4 ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of the latest technical data is available on the Daikin Business Portal (authentication required). FTXF50F5V1B Installer reference guide Split system air conditioners...
  • Page 5 Indicates a situation that could result in minor or moderate injury. NOTICE Indicates a situation that could result in equipment or property damage. INFORMATION Indicates useful tips or additional information. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 6 WARNING Improper installation or attachment of equipment or accessories could result in electrical shock, short-circuit, leaks, fire or other damage to the equipment. ONLY use accessories, optional equipment and spare parts made or approved by Daikin unless otherwise specified. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation).
  • Page 7 Corrosion of copper pipes or soldered parts may cause the refrigerant to leak. ▪ In bathrooms. Instructions for equipment using R32 refrigerant WARNING: MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 8 WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are executed ONLY by authorised persons. WARNING ▪...
  • Page 9 (c) Floor-standing unit (= Floor-standing unit) 2.2.3 Refrigerant — in case of R410A or R32 If applicable. See the installation manual or installer reference guide of your application for more information. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 10 ▪ In case recharge is required, see the nameplate or the refrigerant charge label of the unit. It states the type of refrigerant and necessary amount. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 11 70°C. In case of a brine leak, hot parts inside the unit can create a hazardous situation. WARNING The use and installation of the application MUST comply with the safety and environmental precautions specified in the applicable legislation. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 12 When installing the earth leakage protector, make sure it is compatible with the inverter (resistant to high frequency electric noise) to avoid unnecessary opening of the earth leakage protector. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 13 ON and OFF while the product is operating, attach a reversed phase protection circuit locally. Running the product in reversed phase can break the compressor and other parts. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 14 Do NOT reuse piping from previous installations. ▪ NEVER install a drier to this R32 unit to guarantee its lifetime. The drying material may dissolve and damage the system. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 15 NEVER directly touch any accidental leaking refrigerant. This could result in severe wounds caused by frostbite. Electrical installation (see "8 Electrical installation" [  40]) WARNING The appliance MUST be installed in accordance with national wiring regulations. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 16 DANGER: RISK OF ELECTROCUTION All electrical parts (including thermistors) are powered by the power supply. Do NOT touch them with bare hands. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 17 NEVER shunt safety devices or change their values to a value other than the factory default setting. If you are unable to find the cause of the problem, call your dealer. FTXF50F5V1B Installer reference guide Split system air conditioners...
  • Page 18 MUST NOT be supplied through an external switching device, such as a timer, or connected to a circuit that is regularly turned ON and OFF by the utility. WARNING: MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 19 Fragile, handle the unit with care. Keep the unit upright in order to avoid damage. 4.2 Indoor unit INFORMATION The following figures are examples and may NOT completely match your system layout. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 20 "9.3 To fix the unit on the mounting plate" [  47]. f Dry battery AAA.LR03 (alkaline) for user interface g Holder for wireless remote control (user interface)r h Wireless remote control (user interface) i Mounting plate FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 21 2 Spare SSID sticker. Do NOT throw away the spare sticker. Keep it in a safe place in case it is needed in future (e.g. in case the front grille was replaced attach it to the new front grille). FTXF50F5V1B Installer reference guide Split system air conditioners...
  • Page 22 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. FTXF50F5V1B Installer reference guide Split system air conditioners...
  • Page 23 1 Go to Google Play (for Android devices) or the App Store (for iOS devices) and search for "ONECTA". 2 Follow the directions on the screen to install the ONECTA app. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 24 About the unit INFORMATION Scan the QR code to download and install the ONECTA app on your mobile phone or tablet: FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 25 Wall insulation. When conditions in the wall exceed 30°C and a relative humidity of 80%, or when fresh air is inducted into the wall, then additional insulation is required (minimum 10 mm thickness, polyethylene foam). FTXF50F5V1B Installer reference guide Split system air conditioners...
  • Page 26 Spacing. Install the unit at least 1.8  m from the floor and keep the following requirements in mind for distances from the walls and the ceiling: ≥50 ≥50 (mm) FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 27 2 Remove 2 screws (class 20~35) or 3 screws (class 50~71) from the front grille. 3 Push down the 3 upper hooks marked with a symbol with 3 circles. a Upper hook FTXF50F5V1B Installer reference guide Split system air conditioners...
  • Page 28 Protruding part on the top of the cover c Screw 6.2.6 To open the service cover 1 Remove 1 screw from the service cover. 2 Pull out the service cover horizontally away from the unit. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 29 4 Finish the installation by securing the mounting plate on the wall using M4×25L screws (field supply). INFORMATION The removed pipe port cover can be kept in the mounting plate pocket. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 30 2 Insert a wall embedded pipe into the hole. 3 Insert a wall cover into the wall pipe. a Wall embedded pipe b Putty c Wall hole cover FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 31 Pipe length. Keep drain piping as short as possible. ▪ Pipe size. If drain hose extension or embedded drain piping is required, use appropriate parts that match the hose front end. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 32 1 Attach the drain hose with adhesive vinyl tape to the bottom of the refrigerant pipes. 2 Wrap the drain hose and the refrigerant pipes together using insulation tape. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 33 Insulation fixing screw b Drain hose 4 Attach the drain hose to the refrigerant piping bottom side using adhesive vinyl tape. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 34 Remove the pipe port cover here for left-bottom piping To check for water leaks 1 Remove the air filters. 2 Gradually pour approximately 1  l of water in the drain pan, and check for water leaks. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 35 Annealed (O) ≥0.8 mm Depending on the applicable legislation and the maximum working pressure of the unit (see "PS High" on the unit name plate), larger piping thickness might be required. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 36 Use the flare nut fixed to the unit. ▪ To prevent gas leakage, apply refrigeration oil ONLY to the inside of the flare. Use refrigeration oil for R32 (FW68DA). ▪ Do NOT reuse joints. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 37 ALWAYS use 2 wrenches together when loosening a flare nut. ▪ ALWAYS use a spanner and torque wrench together to tighten the flare nut when connecting the piping. This to prevent nut cracking and leaks. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 38 4 Flare the pipe. Set exactly at the position as shown in the following figure. Flare tool for R32 Conventional flare tool (clutch type) Clutch type Wing nut type (Ridgid-type) (Imperial-type) 0~0.5 mm 1.0~1.5 mm 1.5~2.0 mm 5 Check that the flaring is properly made. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 39 Interconnection cable d Liquid pipe e Liquid pipe insulation f Finishing tape g Drain hose NOTICE Make sure to insulate all refrigerant piping. Any exposed piping might cause condensation. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 40 Making sure the power supply system complies with the electrical specifications of the units. Connecting the electrical wiring to the outdoor unit. Connecting the electrical wiring to the indoor unit. Connecting the main power supply. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 41 We recommend using solid (single-core) wires. If stranded wires are used, slightly twist the strands to consolidate the end of the conductor for either direct use in the terminal clamp or insertion in a round crimp-style terminal. FTXF50F5V1B Installer reference guide Split system air conditioners...
  • Page 42 Terminal b Screw c Flat washer Allowed NOT allowed ▪ The earth wire between the wire retainer and the terminal must be longer than the other wires. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 43  27]. 3 Pass the interconnection cable from the outdoor unit through the feed- through wall hole, through the back of the indoor unit and through the front side. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 44 For connection to the optional accessory, refer to the instruction delivered with the optional accessory. 3 Reinstall the electrical wiring box cover as it was. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 45 Electrical installation a HA connector(S21 ) FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 46 Insulation tape e Mounting plate (accessory) NOTICE ▪ Do NOT bend refrigerant pipes. ▪ Do NOT push the refrigerant pipes onto the bottom frame or the front grille. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 47 3 Press the bottom edge of the indoor unit with both hands until it is firmly caught by the mounting plate hooks. 4 Secure the indoor unit to the mounting plate using 2 indoor unit fixing screws M4×12L (accessory). FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 48 4 Press simultaneously: Model Buttons FTXF and ATXF 5 Press: Model Buttons FTXF and ATXF 6 Select: Model Symbol FTXF and ATXF 7 Press: Model Button FTXF and ATXF FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 49 9 When the setting is complete, press: Model Button FTXF and ATXF Keep pressed for about 5 seconds. Result: The user interface will return to the previous screen. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 50 The insulation resistance of the compressor is OK. There are NO damaged components or squeezed pipes on the inside of the indoor and outdoor units. There are NO refrigerant leaks. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 51 Some of the functions CANNOT be used in the test run operation mode. If a power failure occurs during operation, the system automatically restarts immediately after power is restored. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 52 Explain the user how to properly operate the system and what to do in case of problems. ▪ Show the user what to do for the maintenance of the unit. FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 53 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. FTXF50F5V1B Installer reference guide Split system air conditioners...
  • Page 54 A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of the latest technical data is available on the Daikin Business Portal (authentication required). 14.1 Wiring diagram The wiring diagram is delivered with the unit, located inside of the outdoor unit (bottom side of the top plate).
  • Page 55 N=* Number of passes through ferrite core Pulse-amplitude modulation PCB* Printed circuit board Power module Switching power supply PTC* PTC thermistor Insulated gate bipolar transistor (IGBT) Circuit breaker FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 56 Diode bridge, Insulated-gate bipolar transistor (IGBT) power module Wireless remote controller Terminal Terminal strip (block) Electronic expansion valve coil Y*R, Y*S Reversing solenoid valve coil Ferrite core ZF, Z*F Noise filter FTXF50F5V1B Installer reference guide Split system air conditioners 4P769827-12D – 2024.09...
  • Page 57 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 60 DAIKIN ISITMA VE SOĞUTMA SİSTEMLERİ SAN.TİC. A.Ş. Gülsuyu Mahallesi, Fevzi Çakmak Caddesi, Burçak Sokak, No:20, 34848 Maltepe İSTANBUL / TÜRKİYE Tel: 0216 453 27 00 Faks: 0216 671 06 00 Çağrı Merkezi: 444 999 0 Web: www.daikin.com.tr 4P769827-12D 2024.09...