Daikin CTXM15R2V1B Installer's Reference Manual
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Daikin CTXM15R2V1B Installer's Reference Manual

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Installer reference guide
Daikin room air conditioner
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Summary of Contents for Daikin CTXM15R2V1B

  • Page 1 Installer reference guide Daikin room air conditioner CTXM15R2V1B FTXM50R2V1B CTXM15R5V1B FTXM60R2V1B FTXM71R2V1B FTXM20R2V1B FTXM20R5V1B ATXM20R2V1B FTXM25R2V1B ATXM20R5V1B FTXM25R5V1B ATXM25R2V1B FTXM35R2V1B ATXM25R5V1B FTXM35R5V1B ATXM35R2V1B FTXM42R2V1B ATXM35R5V1B FTXM42R5V1B ATXM50R2V1B...

  • Page 2: Table Of Contents

    Guidelines when connecting the electrical wiring..................38 8.1.3 Specifications of standard wiring components....................39 To connect the electrical wiring to the indoor unit ....................... 39 9 Finishing the indoor unit installation Installer reference guide CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...
  • Page 3 To perform a test run using the user interface ..................... 48 12 Hand-over to the user 13 Disposal 14 Technical data 14.1 Wiring diagram................................51 14.1.1 Unified wiring diagram legend ........................51 15 Glossary CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • 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). ▪ The full set of latest technical data is available on the Daikin Business Portal (authentication required).

  • Page 5: General Safety Precautions

    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. Symbols used on the unit: CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 6: For The Installer

    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 7: Installation Site

    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. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...
  • 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 If one or more rooms are connected to the unit using a duct system, make sure: ▪...
  • Page 9 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. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...
  • Page 10 54.6 36.6 57.5 38.5 7.956 40.1 7.956 59.9 7.956 m Total refrigerant charge in the system Minimum floor area (a) Ceiling-mounted unit (= Ceiling-mounted unit) CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 11: Refrigerant - In Case Of R410A Or R32

    To avoid compressor breakdown, do NOT charge more than the specified amount of refrigerant. ▪ When the refrigerant system is to be opened, refrigerant MUST be treated according to the applicable legislation. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 12: Brine

    The selection of the brine MUST be in accordance with the applicable legislation. WARNING Take sufficient precautions in case of brine leakage. If brine leaks, ventilate the area immediately and contact your local dealer. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 13: Water

    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. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...
  • Page 14 After finishing the electrical work, confirm that each electrical component and terminal inside the electrical components box is connected securely. ▪ Make sure all covers are closed before starting up the unit. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...
  • Page 15 Running the product in reversed phase can break the compressor and other parts. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 16: Specific Installer Safety Instructions

    Use flare nuts that are included with the unit. Using different flare nuts may cause refrigerant gas leakage. Electrical installation (see "8 Electrical installation" [  37]) DANGER: RISK OF ELECTROCUTION CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...
  • Page 17 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. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 18: About The Box

    ▪ the spare SSID sticker located on the front grille. 1× 1× 1× 1× 1× 2× 2× 2× 1× 1× 1× CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...
  • Page 19 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). CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 20: About The Unit

    In combination with outdoor units: RXM71R, 2MXM, 2AMXM, 3MXM, 3AMXM, 4MXM, 5MXM (a)(b) Cooling and drying Heating Outdoor temperature –10~46°C DB –15~24°C DB –15~18°C WB Indoor temperature 18~37°C DB 10~30°C DB 14~28°C WB Indoor humidity ≤80% — CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 21: About The Wireless Lan

    INFORMATION ▪ 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. ▪ This unit is considered as combined equipment according to the definition of Directive 2014/53/EU.

  • Page 22: Setting The Wireless Lan

    ▪ Wireless LAN access point. ▪ Installed free Daikin Residential Controller application. To install the Daikin Residential Controller application 1 Open: ▪ Google Play for appliances using Android. ▪ App Store for appliances using iOS. 2 Search for Daikin Residential Controller.

  • Page 23: 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. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 24: Opening The Indoor Unit

    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. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 25: To Open The Service Cover

    3 Remove 2 screws (class 15~42) or 3 screws (class 50~71) from the front grille. 4 Push down the 3 upper hooks marked with a symbol with 3 circles. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 26: Mounting The Indoor Unit

    4 Finish the installation by securing the mounting plate on the wall using M4×25L screws (field supply). Class 15~42 Class 50~71 INFORMATION The removed pipe port cover can be kept in the mounting plate pocket. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 27: To Drill A Wall Hole

    2 Insert a wall embedded pipe into the hole. 3 Insert a wall cover into the wall pipe. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 28: To Remove The Pipe Port Cover

    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. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 29: To Connect The Piping On Right Side, Right-Back, Or Right-Bottom

    6.4.2 To connect the piping on right side, right-back, or right-bottom INFORMATION The factory default is right-side piping. For left-side piping, remove the piping from the right side and install it on the left side. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 30: To Connect The Piping On Left Side, Left-Back, Or Left-Bottom

    Insulation fixing screw Drain hose 4 Attach the drain hose to the refrigerant piping bottom side using adhesive vinyl tape. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 31: To Check For Water Leaks

    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. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 32: Piping Installation

    ▪ 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") 15.9 mm (5/8") CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 33: Refrigerant Piping Insulation

    Connecting the refrigerant piping to the outdoor unit ▪ Insulating the refrigerant piping ▪ Keeping in mind the guidelines for: Pipe bending Flaring pipe ends Using the stop valves CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 34: Precautions When Connecting The Refrigerant Piping

    Do NOT open the refrigerant stop valve before checking the refrigerant piping. When you need to charge additional refrigerant it is recommended to open the refrigerant stop valve after charging. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 35: Guidelines When Connecting The Refrigerant Piping

    Cut exactly at right angles. Remove burrs. 3 Remove the flare nut from the stop valve and put the flare nut on the pipe. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 36: To Connect The Refrigerant Piping To The Indoor Unit

    Interconnection cable Liquid pipe Liquid pipe insulation Finishing tape Drain hose NOTICE Make sure to insulate all refrigerant piping. Any exposed piping might cause condensation. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 37: Electrical Installation

    ▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 38: 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. Stranded conductor wire CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 39: Specifications Of Standard Wiring Components

    1 Set the indoor unit on the mounting plate hooks. Use the " " marks as a guide. Mounting plate (accessory) Piece of packing material CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...
  • Page 40 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. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...
  • Page 41 Electrical installation CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 42: Finishing The Indoor Unit Installation

    Mounting plate (accessory) NOTICE ▪ Do NOT bend refrigerant pipes. ▪ Do NOT push the refrigerant pipes onto the bottom frame or the front grille. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 43: To Fix The Unit On The Mounting Plate

    1 Attach the front panel. Align the shafts with the slots and push them all the way in. 2 Close the front panel slowly; press at both sides and at the centre. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...
  • Page 44 Finishing the indoor unit installation CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 45: Configuration

    Indoor unit ON/OFF switch 6 Press the indoor unit ON/OFF switch while the operation lamp is blinking. Address jumper Address Factory setting After cutting with nippers CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...
  • Page 46 7 When the setting is complete, keep pressed for at least 5 seconds. Result: The user interface will return to the previous screen. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 47: Commissioning

    The correct pipe size is installed and the pipes are properly insulated. The stop valves (gas and liquid) on the outdoor unit are fully open. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 48: 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 CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 49: 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. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 50: Disposal

    MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery. CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 51: 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 14.1.1 Unified wiring diagram legend...
  • Page 52 Printed circuit board Power module Switching power supply PTC* PTC thermistor Insulated gate bipolar transistor (IGBT ) Circuit breaker Q*DI, KLM Earth leak circuit breaker Overload protector CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...
  • Page 53 (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 CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B + Installer reference guide ATXM50R2V1B Daikin room air conditioner 4P518023-8G – 2020.06...

  • Page 54: 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 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 4P518023-8G Web: www.daikin.com.tr 2020.06 Verantwortung für Energie und Umwelt...

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