Daikin FTXD35A5V1B Installer's Reference Manual

Split system air conditioners

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FTXD25A5V1B

FTXD35A5V1B

Installer reference guide

Split system air conditioners

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Page 1 Installer reference guide Split system air conditioners FTXD25A5V1B FTXD35A5V1B...
Page 2: Table Of Contents
Table of contents Table of contents 1 About the documentation About this document..............................2 General safety precautions About the documentation.............................. 2.1.1 Meaning of warnings and symbols........................ For the installer ................................2.2.1 General................................2.2.2 Installation site............................... 2.2.3 Refrigerant — in case of R410A or R32......................2.2.4 Brine ................................
Page 3 Table of contents 10.1 To set a different channel of the indoor unit infrared signal receiver................11 Commissioning 11.1 Overview: Commissioning.............................. 11.2 Checklist before commissioning ............................ 11.3 To perform a test run ..............................11.3.1 To perform a test run in winter season......................12 Disposal 13 Technical data 13.1...
Page 4: About The Documentation
▪ 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). FTXD25+35A5V1B Installer reference guide Split system air conditioners...
Page 5: General Safety Precautions
General safety precautions 2 General safety precautions 2.1 About the documentation ▪ The original instructions are written in English. All other languages are translations of the original instructions. ▪ The precautions described in this document cover very important topics, follow them carefully.
Page 6: For The Installer
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: Installation Site
General safety precautions WARNING Provide adequate measures to prevent that the unit can be used as a shelter by small animals. Small animals that make contact with electrical parts can cause malfunctions, smoke or fire. CAUTION Wear adequate personal protective equipment (protective gloves, safety glasses,…) when installing, maintaining or servicing the system.
Page 8 Be aware that the refrigerant inside the system is odourless. 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. CAUTION Do NOT use potential sources of ignition in searching for or detection of refrigerant leaks.
Page 9: Refrigerant - In Case Of R410A Or R32
General safety precautions If the installation height is… Then use the graph or table for… <1.8 m Floor-standing units 1.8≤x<2.2 m Wall-mounted units ≥2.2 m Ceiling-mounted units 3 Use the graph or table to determine the minimum floor area. Ceiling-mounted Wall-mounted Floor-standing unit unit unit m (kg)
Page 10 General safety precautions DANGER: RISK OF EXPLOSION Pump down – Refrigerant leakage. If you want to pump down the system, and there is a leak in the refrigerant circuit: ▪ Do NOT use the unit's automatic pump down function, with which you can collect all refrigerant from the system into the outdoor unit.
Page 11: Brine
General safety precautions ▪ Whether the unit is factory charged with refrigerant or non-charged, in both cases you might need to charge additional refrigerant, depending on the pipe sizes and pipe lengths of the system. ▪ ONLY use tools exclusively for the refrigerant type used in the system, this to ensure pressure resistance and prevent foreign materials from entering into the system.
Page 12: Water
General safety precautions 2.2.5 Water If applicable. See the installation manual or installer reference guide of your application for more information. NOTICE Make sure water quality complies with EU directive 2020/2184. 2.2.6 Electrical DANGER: RISK OF ELECTROCUTION ▪ Turn OFF all power supply before removing the switch box cover, connecting electrical wiring or touching electrical parts.
Page 13 General safety precautions CAUTION ▪ When connecting the power supply: connect the earth cable first, before making the current-carrying connections. ▪ When disconnecting the power supply: disconnect the current-carrying cables first, before separating the earth connection. ▪ The length of the conductors between the power supply stress relief and the terminal block itself MUST be as such that the current-carrying wires are tautened before the earth wire is in case the power supply is pulled loose from the stress relief.
Page 14: Specific Installer Safety Instructions
Specific installer safety instructions 3 Specific installer safety instructions Always observe the following safety instructions and regulations. Unit installation (see "6 Unit installation" [ 23]) WARNING Installation shall be done by an installer, the choice of materials and installation shall comply with the applicable legislation. In Europe, EN378 is the applicable standard. "6.1 Preparing the installation site" [ 23])
Page 15 Specific installer safety instructions WARNING Connect the refrigerant piping securely before running the compressor. If the refrigerant piping is NOT connected and the stop valve is open when the compressor is run, air will be sucked in. This will cause abnormal pressure in the refrigeration cycle, which may result in equipment damage and even injury.
Page 16 Specific installer safety instructions WARNING ▪ All wiring MUST be performed by an authorised electrician and MUST comply with the national wiring regulation. ▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation.
Page 17 Specific installer safety instructions DANGER: RISK OF ELECTROCUTION Disconnect the power supply for more than 10 minutes, and measure the voltage at the terminals of main circuit capacitors or electrical components before servicing. The voltage MUST be less than 50 V DC before you can touch electrical components. For the location of the terminals, see the wiring diagram.
Page 18 Specific installer safety instructions WARNING Prevent hazards due to inadvertent resetting of the thermal cut-out: power to this appliance 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.
Page 19: About The Box
About the box 4 About the box Keep the following in mind: ▪ At delivery, the unit MUST be checked for damage and completeness. Any damage or missing parts MUST be reported immediately to the claims agent of the carrier. ▪...
Page 20 About the box 1× 1× 1× 1× 1× 1× 2× 2× 2× 1× a Installation manual b Operation manual c General safety precautions d Spare SSID sticker e Titanium apatite deodorising and silver particle filter f Indoor unit fixing screw (M4×12L). Refer to "9.3 To fix the unit on the mounting plate" [ 39].
Page 21: About The Unit
About the unit 5 About the unit WARNING: MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable. 5.1 System layout INFORMATION The following figures are examples and may NOT completely match your system layout. a Indoor unit b Service lid c Air filter d Titanium apatite deodorizing and silver particle filter e Refrigerant piping, drain hose and interconnection cable...
Page 22: About The Wireless Lan
About the unit 5.3 About the wireless LAN For detailed specifications, installation instructions, setting methods, FAQ, declaration of conformity and the latest version of this manual, visit app.daikineurope.com. 5.3.1 Precautions when using the wireless LAN Do NOT use near: ▪ Medical equipment.
Page 23: Unit Installation
Unit installation 6 Unit installation In this chapter Preparing the installation site ..............................6.1.1 Installation site requirements of the indoor unit....................Opening the indoor unit ................................. 6.2.1 To remove the front panel............................. 6.2.2 To re-install the front panel ........................... 6.2.3 To remove the front grille............................
Page 24 Unit installation ▪ Wall strength. Check whether the wall or the floor is strong enough to support the weight of the unit. If there is a risk, reinforce the wall or the floor before installing the unit. Install power cables at least 1 metre away from televisions or radios to prevent interference.
Page 25: Opening The Indoor Unit
Unit installation 6.2 Opening the indoor unit 6.2.1 To remove the front panel 1 Hold the front panel by the panel tabs on both sides and open it. a Panel tabs 2 Remove the front panel by sliding it to the left or the right and pulling it toward you.
Page 26: To Re-Install The Front Grille
Unit installation a Upper hook b Symbol with 3 circles 5 We recommend opening the flap before removing the front grille. 6 Place both hands under the centre of the front grille, push it up and then toward you. 6.2.4 To re-install the front grille 1 Install the front grille and firmly engage the 3 upper hooks.
Page 27: To Open The Service Cover
Unit installation 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. a Service cover screw b Service cover 6.3 Installing the indoor unit 6.3.1 Precautions when installing the indoor unit INFORMATION Also read the precautions and requirements in the following chapters: ▪...
Page 28: To Drill A Wall Hole
Unit installation h Liquid pipe end 6.3.3 To drill a wall hole CAUTION For walls containing a metal frame or a metal board, use a wall embedded pipe and wall cover in the feed-through hole to prevent possible heat, electrical shock, or fire. NOTICE Be sure to seal the gaps around the pipes with sealing material (field supply), in order to prevent water leakage.
Page 29: To Provide Drainage
Unit installation NOTICE Do NOT use nippers to remove the pipe port cover, as this would damage the front grille. 6.3.5 To provide drainage Make sure condensation water can be evacuated properly. This involves: ▪ General guidelines ▪ Connecting the drain piping to the indoor unit ▪...
Page 30 Unit installation ▪ Rigid polyvinyl chloride pipe. When connecting a rigid polyvinyl chloride pipe (nominal Ø13 mm) directly to the drain hose as with embedded piping work, use a field supplied drain socket (nominal Ø13 mm). a Drain hose supplied with the indoor unit b Drain socket with nominal Ø13 mm (field supply) c Rigid polyvinyl chloride pipe (field supply) ▪...
Page 31 Unit installation NOTICE Do NOT apply lubricating oil (refrigerant oil) to the drain plug when inserting it. The drain plug may deteriorate and cause drain leakage from the plug. a 4 mm hexagonal wrench 3 Insert the drain hose on the left side and do not forget to tighten it with the fixing screw;...
Page 32: Piping Installation
Piping installation 7 Piping installation In this chapter Preparing refrigerant piping ..............................7.1.1 Refrigerant piping requirements ........................... 7.1.2 Refrigerant piping insulation ..........................Connecting the refrigerant piping............................7.2.1 Guidelines when connecting the refrigerant piping ..................... 7.2.2 To connect the refrigerant piping to the indoor unit.................... 7.1 Preparing refrigerant piping 7.1.1 Refrigerant piping requirements NOTICE...
Page 33: Connecting The Refrigerant Piping
Piping installation ▪ Insulation thickness: Pipe outer diameter (Ø ) Insulation inner diameter Insulation thickness (t) (Ø 6.4 mm (1/4") 8~10 mm ≥10 mm Ø Ø Ø Ø If the temperature is higher than 30°C and the humidity is higher than RH 80%, the thickness of the insulation materials should be at least 20 ...
Page 34 Piping installation 2 Insulate the refrigerant piping, interconnection cable and drain hose on the indoor unit as follows: a Gas pipe b Gas pipe insulation c Interconnection cable d Liquid pipe e Liquid pipe insulation f Finishing tape g Drain hose NOTICE Make sure to insulate all refrigerant piping.
Page 35: Electrical Installation
Electrical installation 8 Electrical installation 8.1 Preparing electrical wiring 8.1.1 About preparing electrical wiring INFORMATION Also read the precautions and requirements in the "2 General safety precautions" [ 5]. WARNING ▪ If the power supply has a missing or wrong N-phase, equipment might break down.
Page 36: To Connect The Electrical Wiring To The Indoor Unit
Electrical installation Component Interconnection cable Minimum cable section of 2.5 mm² and applicable for 220~240 V Recommended field fuse 20 A Earth leakage circuit breaker Must comply with applicable legislation 8.2.2 To connect the electrical wiring to the indoor unit WARNING Provide adequate measures to prevent that the unit can be used as a shelter by small animals.
Page 37 Electrical installation c Cable clamp 5 Strip the wire ends approximately 15 mm. 6 Match wire colours with terminal numbers on the indoor unit terminal blocks and firmly screw the wires to the corresponding terminals. 7 Connect the earth wire to the corresponding terminal. 8 Firmly fix the wires with the terminal screws.
Page 38: Finishing The Indoor Unit Installation
Finishing the indoor unit installation 9 Finishing the indoor unit installation 9.1 To insulate the drain piping, refrigerant piping and interconnection cable 1 After the drain piping, refrigerant piping and the electrical wiring are finished, wrap refrigerant piping, interconnection cable and drain hose together using insulation tape.
Page 39: To Fix The Unit On The Mounting Plate
Finishing the indoor unit installation 2 Pass the drain hose and refrigerant piping through the wall hole and seal the gap with a putty. 9.3 To fix the unit on the mounting plate 1 Set the indoor unit on the mounting plate hooks. Use the " " marks as a guide.
Page 40: Configuration
Configuration 10 Configuration 10.1 To set a different channel of the indoor unit infrared signal receiver In case 2 indoor units are installed in 1 room, different addresses for 2 user interfaces can be set. 1 Remove the batteries from the user interface. 2 Cut the address jumper.
Page 41 Configuration ON/OFF a Operation lamp b Indoor unit ON/OFF switch 8 Press the indoor unit ON/OFF switch while the operation lamp is blinking. Jumper Address Factory setting After cutting with nippers INFORMATION If the setting could NOT be completed while the operation lamp was blinking, repeat the setting process from the beginning.
Page 42: Commissioning
Commissioning 11 Commissioning 11.1 Overview: Commissioning Typical workflow Commissioning typically consists of the following stages: 11.2 Checklist before commissioning 1 After the installation of the unit, check the items listed below. 2 Close the unit. 3 Power up the unit. You read the complete installation instructions, as described in the installer reference guide.
Page 43: To Perform A Test Run
Commissioning 11.3 To perform a test run Prerequisite: Power supply MUST be in the specified range. Prerequisite: Test run may be performed in cooling or heating mode. Prerequisite: Test run should be performed in accordance with the operation manual of the indoor unit to make sure that all functions and parts are working properly.
Page 44: Disposal
Disposal 12 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. FTXD25+35A5V1B Installer reference guide Split system air conditioners...
Page 45: Technical Data
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). 13.1 Wiring diagram The wiring diagram is delivered with the unit, located inside of the outdoor unit (bottom side of the top plate).
Page 46 Technical data Symbol Meaning BZ, H*O Buzzer Capacitor AC*, CN*, E*, HA*, HE*, HL*, HN*, HR*, Connection, connector MR*_A, MR*_B, S*, U, V, W, X*A, K*R_*, NE D*, V*D Diode Diode bridge DIP switch Heater FU*, F*U, (for characteristics, refer to Fuse PCB inside your unit) Connector (frame ground)
Page 47 Technical data Symbol Meaning Q*DI, KLM Earth leak circuit breaker Overload protector Thermo switch Residual current device Resistor Thermistor Receiver Limit switch Float switch S*NG Refrigerant leak detector S*NPH Pressure sensor (high) S*NPL Pressure sensor (low) S*PH, HPS* Pressure switch (high) S*PL Pressure switch (low) Thermostat...
Page 48 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 4P715853-3B 2024.05...

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