Daikin CTXA15A2V1BW Installer's Reference Manual

Daikin CTXA15A2V1BW Installer's Reference Manual

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CTXA15A2V1BW
FTXA20A2V1BW
FTXA25A2V1BW
FTXA35A2V1BW
FTXA42A2V1BW
FTXA50A2V1BW
Installer reference guide
Daikin room air conditioner
CTXA15(A)(B)2V1BS
FTXA20(A)(B)2V1BS
FTXA25(A)(B)2V1BS
FTXA35(A)(B)2V1BS
FTXA42(A)(B)2V1BS
FTXA50(A)(B)2V1BS
CTXA15(A)(B)2V1BT
FTXA20(A)(B)2V1BT
FTXA25(A)(B)2V1BT
FTXA35(A)(B)2V1BT
FTXA42(A)(B)2V1BT
FTXA50(A)(B)2V1BT
CTXA15B2V1BB
FTXA20B2V1BB
FTXA25B2V1BB
FTXA35B2V1BB
FTXA42B2V1BB
FTXA50B2V1BB

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Summary of Contents for Daikin CTXA15A2V1BW

  • Page 1 Installer reference guide Daikin room air conditioner CTXA15A2V1BW CTXA15(A)(B)2V1BS CTXA15(A)(B)2V1BT CTXA15B2V1BB FTXA20A2V1BW FTXA20(A)(B)2V1BS FTXA20(A)(B)2V1BT FTXA20B2V1BB FTXA25A2V1BW FTXA25(A)(B)2V1BS FTXA25(A)(B)2V1BT FTXA25B2V1BB FTXA35A2V1BW FTXA35(A)(B)2V1BS FTXA35(A)(B)2V1BT FTXA35B2V1BB FTXA42A2V1BW FTXA42(A)(B)2V1BS FTXA42(A)(B)2V1BT FTXA42B2V1BB FTXA50A2V1BW FTXA50(A)(B)2V1BS FTXA50(A)(B)2V1BT FTXA50B2V1BB...
  • Page 2: Table Of Contents

    To connect optional accessories (wired user interface, central user interface, etc.) ........... 42 9 Finishing the indoor unit installation To insulate the drain piping, refrigerant piping and interconnection cable..............43 Installer reference guide CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 3 To perform a test run using the wireless remote control ................49 12 Hand-over to the user 13 Disposal 14 Technical data 14.1 Wiring diagram................................52 14.1.1 Unified wiring diagram legend ........................52 15 Glossary CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 4: About The Documentation

    The original documentation is written in English. All other languages are translations. Technical engineering data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner...
  • Page 5: Meaning Of Warnings And Symbols

    About the documentation ▪ The full set of latest technical data is available on the Daikin Business Portal (authentication required). 1.1.1 Meaning of warnings and symbols DANGER Indicates a situation that results in death or serious injury. DANGER: RISK OF ELECTROCUTION Indicates a situation that could result in electrocution.
  • Page 6 Example: " 1–3 Figure title" means "Figure 3 in chapter 1". Indicates a table title or a reference to it. Example: " 1–3 Table title" means "Table 3 in chapter 1". CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 7: General Safety Precautions

    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. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation).
  • Page 8: Installation Site

    WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation 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 Keep the pipework installation to a minimum. To determine the minimum floor area 1 Determine the total refrigerant charge in the system (=  factory refrigerant charge additional refrigerant amount charged). CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 10 9.55 m Total refrigerant charge in the system Minimum floor area (a) Ceiling-mounted unit (= Ceiling-mounted unit) (b) Wall-mounted unit (= Wall-mounted unit) (c) Floor-standing unit (= Floor-standing unit) CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 11: Refrigerant - In Case Of R410A Or R32

    Make sure refrigerant piping installation complies with applicable legislation. In Europe, EN378 is the applicable standard. NOTICE Make sure the field piping and connections are NOT subjected to stress. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 12: Electrical

    If NOT factory installed, a main switch or other means for disconnection, having a contact separation in all poles providing full disconnection under overvoltage category III condition, MUST be installed in the fixed wiring. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 13 Use an appropriate screwdriver for tightening the terminal screws. A screwdriver with a small head will damage the head and make proper tightening impossible. ▪ Over-tightening the terminal screws may break them. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 14 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. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 15: Specific Installer Safety Instructions

    All wiring MUST be performed by an authorised electrician and MUST comply with the applicable legislation. ▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 16 Do NOT branch the power supply for the drain pump, etc. from the terminal block. This could result in electrical shock or fire. WARNING Keep the interconnection wiring away from copper pipes without thermal insulation as such pipes will be very hot. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 17: About The Box

    "9.3 To fix the unit on the mounting plate" [  44]. f Dry battery AAA.LR03 (alkaline) for the wireless remote control g Wireless remote control (user interface) holder h Wireless remote control (user interface) CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 18 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). CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 19: About The Unit

    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. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 20: About The Wireless Lan

    INFORMATION: Declaration of conformity ▪ Daikin Industries Czech Republic s.r.o. declares that the radio equipment type inside of this unit is in compliance with Directive  2014/53/EU and S.I. 2017/1206: Radio Equipment Regulations 2017. ▪...
  • Page 21 About the unit ▪ Google Play for appliances using Android. ▪ App Store for appliances using iOS. 2 Search for “ONECTA”. 3 Follow the directions on the screen to install. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 22: Unit Installation

    INFORMATION The sound pressure level is less than 70 dBA. ▪ Air flow. Make sure nothing blocks the air flow. ▪ Drainage. Make sure condensation water can be evacuated properly. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 23 ≥50 ≥50 (mm) Note: Make sure that there are no obstacles within 500  mm under the infrared signal receiver. They may influence reception performance of the wireless remote control. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 24: Opening The Unit

    2 Open the panel locks located on the back side of the panel (1 on each side). a Panel lock 3 Push the right arm lightly to the right to disconnect the shaft from the shaft slot on the right side. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 25: To Open The Service Cover

    4 Remove the flap by pushing it to the left side and towards you. 5 Remove the 2 screw covers using a long flat plate such as a ruler wrapped in a cloth and remove 2 screws. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 26: To Remove The Electrical Wiring Box Cover

    1 Remove 1 screw from the electrical wiring box. 2 Open the electrical wiring box cover by pulling it to the front. 3 Remove the electrical wiring box cover from the 2 rear hooks. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 27: Mounting The Indoor Unit

    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. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 28: To Drill A Wall Hole

    3 Insert a wall cover into the wall pipe. a Wall embedded pipe b Putty c Wall hole cover 4 After completing wiring, refrigerant piping and drain piping, do NOT forget to seal the gap with putty. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 29: To Remove The Pipe Port Cover

    NOTICE ▪ Install the drain hose with a downward slope. ▪ Traps are NOT permitted. ▪ Do NOT put the end of the hose in water. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 30: To Connect The Piping On Right Side, Right-Back, Or Right-Bottom

    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. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 31: To Connect The Piping On Left Side, Left-Back, Or Left-Bottom

    Insulation fixing screw b Drain hose 4 Attach the drain hose to the refrigerant piping bottom side using adhesive vinyl tape. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 32: To Check For Water Leaks

    Remove the pipe port cover here for left-bottom piping 6.4.4 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. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 33: Piping Installation

    Flare connections: Only use annealed material. ▪ Piping temper grade and thickness: Outer diameter (Ø) Temper grade Thickness (t) Ø 6.4 mm (1/4") Annealed (O) ≥0.8 mm 9.5 mm (3/8") 12.7 mm (1/2") CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 34: Refrigerant Piping Insulation

    Using the stop valves 7.2.2 Precautions when connecting the refrigerant piping INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [  7] ▪ "7.1 Preparing refrigerant piping" [  33] CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 35: Guidelines When Connecting The Refrigerant Piping

    7.2.3 Guidelines when connecting the refrigerant piping Take the following guidelines into account when connecting pipes: CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 36: Pipe Bending Guidelines

    3 Remove the flare nut from the stop valve and put the flare nut on the pipe. 4 Flare the pipe. Set exactly at the position as shown in the following figure. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 37: To Connect The Refrigerant Piping To The Indoor Unit

    See "9.1  To insulate the drain piping, refrigerant piping and interconnection cable" [  43]. NOTICE Make sure to insulate all refrigerant piping. Any exposed piping might cause condensation. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 38: Electrical Installation

    ALWAYS use multicore cable for power supply cables. INFORMATION Also read the precautions and requirements in the "2  General safety precautions" [  7]. INFORMATION Also read "8.1.3 Specifications of standard wiring components" [  40]. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 39: Guidelines When Connecting The Electrical Wiring

    Place the round crimp-style terminal on the wire up to the covered part and fasten the terminal with the appropriate tool. a Stranded conductor wire b Round crimp-style terminal ▪ Use the following methods for installing wires: CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 40: Specifications Of Standard Wiring Components

    In order to avoid any electrical interference, the distance between both wirings should ALWAYS be at least 50 mm. Electrical work should be carried out in accordance with the installation manual and the national electrical wiring rules or code of practice. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 41 9 Pull the wires to make sure that they are securely attached, then retain the wires with the wire retainer. 10 Shape the wires so that the service cover fits securely, then close the service cover. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 42: To Connect Optional Accessories (Wired User Interface, Central User Interface, Etc.)

    S21 connector 3 Put the electrical wiring box cover back and pull the wire harness around it as shown in the figure above. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 43: Finishing The Indoor Unit Installation

    1 Shape the refrigerant pipes along the pipe path marking on the mounting plate. a Drain hose b Caulk this hole with putty or caulking material c Adhesive vinyl tape d Insulation tape e Mounting plate (accessory) CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 44: To Fix The Unit On The Mounting Plate

    4 Insert the wire harness back into the connector and secure it with the wire clamp. 5 Close the front panel. Refer to "9.4.4 To close the front panel" [  45]. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 45: To Close The Service Cover

    1 Open the front panel and turn the flap up. 2 Install both screw covers (1 on each side). 3 Return flap to its original position and close the front panel. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 46: Configuration

    Address 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. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 47 Configuration 7 When the setting is complete, keep pressed for at least 5 seconds. Result: The user interface will return to the previous screen. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 48: Commissioning

    11 Commissioning NOTICE General commissioning checklist. Next to the commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin Business Portal (authentication required). The general commissioning checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during commissioning and hand-over to the user.
  • Page 49: To Perform A Test Run

    2 Press simultaneously. 3 Press , select and press Result: Test run operation will stop automatically after about 30 minutes. 4 To stop operation sooner, press CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 50: Hand-Over To The User

    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. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 51: Disposal

    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. CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 52: Technical Data

    Technical data 14 Technical data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of 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 on the inner right side of the indoor unit front grille.
  • Page 53 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 CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 54 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 CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B) Installer reference guide Daikin room air conditioner 4P518023-3K – 2022.05...
  • Page 55: Glossary

    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 56 4P518023-3K 2022.05 Verantwortung für Energie und Umwelt...

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