Daikin FVXM50A3V1B Installer's Reference Manual
Split system air conditioners
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Also See for FVXM50A3V1B:
- User reference manual (64 pages) ,
- Installer's reference manual (60 pages) ,
- Operation manual (20 pages)
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Summary of Contents for Daikin FVXM50A3V1B
- Page 1 Installer reference guide Split system air conditioners CVXM20A3V1B CVXM20A3V1B9 FVXTM30A3V1B FVXM25A3V1B FVXM25A3V1B9 FVXM35A3V1B FVXM35A3V1B9 FVXM50A3V1B FVXM50A3V1B9...
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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 —... - Page 3 Table of contents Closing the unit ................................48 9.2.1 To close the electrical wiring box and close the terminal block..............48 9.2.2 To re-install the front grille ..........................48 9.2.3 To re-install the front panel ........................... 49 10 Configuration 10.1 To set a different channel of the indoor unit infrared signal receiver ................
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Page 4: About The Documentation
WARNING Make sure installation, servicing, maintenance, repair and applied materials follow the instructions from Daikin (including all documents listed in “Documentation set”) and, in addition, comply with applicable legislation and are performed by qualified persons only. In Europe and areas where IEC standards apply, EN/IEC 60335-2-40 is the applicable standard. - Page 5 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).
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Page 6: General Safety Precautions
General safety precautions 2 General safety precautions 2.1 About the documentation ▪ The original documentation is written in English. All other languages are translations. ▪ The precautions described in this document cover very important topics, follow them carefully. ▪ The installation of the system, and all activities described in the installation manual and in the installer reference guide MUST be performed by an authorised installer. -
Page 7: 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 8: Installation Site
General safety precautions CAUTION Wear adequate personal protective equipment (protective gloves, safety glasses,…) when installing, maintaining or servicing the system. CAUTION Do NOT touch the air inlet or aluminium fins of the unit. CAUTION ▪ Do NOT place any objects or equipment on top of the unit. ▪... - Page 9 Special requirements for R32 units. WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. WARNING If one or more rooms are connected to the unit using a duct system, make sure: ▪...
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Page 10: Refrigerant - In Case Of R410A Or R32
General safety precautions CAUTION Do NOT use potential sources of ignition in searching for or detection of refrigerant leaks. NOTICE ▪ Do NOT re-use joints and copper gaskets which have been used already. ▪ Joints made in installation between parts of refrigerant system shall be accessible for maintenance purposes. - Page 11 General safety precautions WARNING ALWAYS recover the refrigerant. Do NOT release them directly into the environment. Use a vacuum pump to evacuate the installation. WARNING Make sure there is no oxygen in the system. Refrigerant may ONLY be charged after performing the leak test and the vacuum drying.
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Page 12: Electrical
General safety precautions ▪ Charge the refrigerant in liquid form. Adding it in gas form may prevent normal operation. CAUTION When the refrigerant charging procedure is done or when pausing, close the valve of the refrigerant tank immediately. If the valve is NOT closed immediately, remaining pressure might charge additional refrigerant. - 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.
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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" [ 22]) 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. WARNING ▪... - Page 15 Specific installer safety instructions CAUTION ▪ Incomplete flaring may cause refrigerant gas leakage. ▪ Do NOT re-use flares. Use new flares to prevent refrigerant gas leakage. ▪ Use flare nuts that are included with the unit. Using different flare nuts may cause refrigerant gas leakage.
- Page 16 Specific installer safety instructions WARNING ▪ Do NOT use locally purchased electrical parts inside the product. ▪ 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.
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Page 17: 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 18 About the box 1× 1× 1× 1× 2× 1× 2× 1× 1× 2× 1× 2× 2× a Installation manual b Operation manual c General safety precautions d Mounting plate (attached to the unit) e Titanium apatite deodorising filter f Drain hose g Insulation piece h Wireless remote control (user interface) i Wireless remote control...
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Page 19: 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 a Indoor unit b Drain piping c Refrigerant piping (gas and liquid) d Outdoor unit 5.2 Operation range Use the system in the following temperature and humidity ranges for safe and effective operation. -
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 To install the ONECTA app 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. INFORMATION Scan the QR code to download and install the ONECTA app on your mobile phone or tablet: CVXM-A, FVXM-A, CVXM-A9, FVXM-A9, FVXTM-A...
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Page 22: Unit Installation
Unit installation 6 Unit installation 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. In this chapter Preparing the installation site ..............................6.1.1 Installation site requirements of the indoor unit .................... - Page 23 Unit installation WARNING ▪ CVXM-A and FVXM-A Floor Standing range is allowed to be combined ONLY with systems with total refrigerant amount ≤1.842 kg. Therefore in case of combination with outdoor units 3MXM40 or 3MXM52, the total liquid refrigerant piping length of the installation MUST be ≤30 m. ▪...
- Page 24 Unit installation ▪ In bathrooms. ▪ Sound sensitive areas (e.g. near a bedroom), so that the operation noise will cause no trouble. ▪ Spacing. Mind the following requirements: (65) ≥50 ≥50 (mm) A Front view B Side view ▪ Do not install the unit more than 60 mm above the floor. To determine the minimum floor area ▪...
- Page 25 Unit installation m (kg) H=2.2 m H=2.0 m H=1.8 m 5.13 5.65 6.27 5.33 5.86 6.51 5.53 6.08 6.76 5.73 6.30 7.00 5.92 6.51 7.24 6.12 6.73 7.48 6.32 6.95 7.72 6.51 7.17 7.96 8,00 7,50 7,00 6,50 6,00 5,50 5,00 4,50 4,00 3,50 3,00 1,843 1,9...
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Page 26: Opening The Unit
Unit installation 12,00 11,00 10,00 9,00 8,00 7,00 6,00 5,00 1,843 1,9 m [kg] Minimum floor area m Total refrigerant charge in the system H Ceiling height of the room Example: If the indoor unit is installed in room with ceiling height 2 m, located above ground level and the total refrigerant change of the connected system is 2.3 kg, than minimum floor area is 4.99 m Example: If the indoor unit is installed in room with floor area 4.99 ... -
Page 27: To Open The Terminal Block And Remove The Electrical Wiring Box Cover
Unit installation 4× a Front grille b Tabs 6.2.3 To open the terminal block and remove the electrical wiring box cover To open the terminal block 1 Remove the front grille. 2 Remove 1 lower screw. 3 Lift the sensor securing plate. 4 Move the metal plate cover down and then towards you to remove it. -
Page 28: Mounting The Indoor Unit
Unit installation b Wiring box cover c Tabs 6.3 Mounting the indoor unit 6.3.1 To install the indoor unit Installation options There are 3 possible type of installation for the indoor unit. A Floor (exposed) installation B Wall (exposed) installation C Half concealed installation a Mounting plate b Skirting board... - Page 29 Unit installation 4 Secure the unit to the wall and floor using 6 screws M4×25L (field supply). 6× 5 When the complete installation is finished, attach the front panel and the front grille in their original position. Wall-mounted installation (mm) 6‒2 Indoor unit installation drawing: Wall-mounted installation A Front view B Side view...
- Page 30 Unit installation 5× 10 Drill a wall hole, depending on which side piping is taken out. See "6.3.2 To drill a wall hole" [ 32]. 11 Open the front panel and remove the front grille. 12 Remove the slit portions using nippers. See "6.3.3 ...
- Page 31 Unit installation 16 When the complete installation is finished, attach the front panel and the front grille in their original position. Half-concealed installation (mm) 6‒3 Indoor unit installation drawing: Half-concealed installation A Front view B Side view C Top view a Extra filler board b Screw hole 6×...
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Page 32: To Drill A Wall Hole
Unit installation 6× 23 When the complete installation is finished, attach the front panel and the front grille in their original position. 6.3.2 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. -
Page 33: Connecting The Drain Piping
Unit installation a Bottom frame b Slit portion for side piping on the front grille (same on the other side) c Slit portion for side piping on the bottom frame (same of the other side) d Slit portion for the bottom piping 1 Cut off the slit portion using nippers. -
Page 34: To Connect The Drain Piping To The Indoor Unit
Unit installation NOTICE ▪ Install the drain hose with a downward slope. ▪ Traps are NOT permitted. ▪ Do NOT put the end of the hose in water. ▪ Drain hose. Drain hose (accessory) is 220 mm long and with 18 mm outer diameter on the connecting side. -
Page 35: To Check For Water Leaks
Unit installation (mm) a Drain hose (accessory) b Vinyl chloride drain pipe (VP-30) (field supply) c Reducer (field supply) d Vinyl chloride drain pipe (VP-20) (field supply) 6.4.3 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. - Page 36 Unit installation 1 Choose a place where the signal can reach the unit. 2 Fix the holder (accessory) to the wall or a similar location using 2 M3×20L screws (field supply). 3 Insert the wireless remote control into the holder. CVXM-A, FVXM-A, CVXM-A9, FVXM-A9, FVXTM-A Installer reference guide Split system air conditioners...
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Page 37: 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 About connecting the refrigerant piping....................... 7.2.2 Precautions when connecting the refrigerant piping.................... 7.2.3 Guidelines when connecting the refrigerant piping....................7.2.4 Pipe bending guidelines ............................ -
Page 38: Refrigerant Piping Insulation
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") 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. 7.1.2 Refrigerant piping insulation ▪... -
Page 39: Precautions When Connecting The Refrigerant Piping
Piping installation 7.2.2 Precautions when connecting the refrigerant piping INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [ 6] ▪ "7.1 Preparing refrigerant piping" [ 37] DANGER: RISK OF BURNING/SCALDING NOTICE ▪ Use the flare nut fixed to the unit. ▪... -
Page 40: Guidelines When Connecting The Refrigerant Piping
Piping installation NOTICE 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. 7.2.3 Guidelines when connecting the refrigerant piping Take the following guidelines into account when connecting pipes: ▪... -
Page 41: To Connect The Refrigerant Piping To The Indoor Unit
Piping installation a Cut exactly at right angles. b Remove burrs. 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. Flare tool for R32 Conventional flare tool (clutch type) - Page 42 Piping installation a Refrigerant pipe connection b Refrigerant piping (field supply) c Slit d Tape e Insulation piece (accessory) CVXM-A, FVXM-A, CVXM-A9, FVXM-A9, FVXTM-A Installer reference guide Split system air conditioners 4P625991-1F – 2022.09...
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Page 43: Electrical Installation
Electrical installation 8 Electrical installation In this chapter About connecting the electrical wiring ..........................8.1.1 Precautions when connecting the electrical wiring ....................8.1.2 Guidelines when connecting the electrical wiring ....................8.1.3 Specifications of standard wiring components ..................... To connect the electrical wiring to the indoor unit ....................... To connect optional accessories (wired user interface, central user interface, wireless adapter, etc.)...... -
Page 44: Guidelines When Connecting The Electrical Wiring
Electrical installation WARNING ▪ If the power supply has a missing or wrong N-phase, equipment might break down. ▪ Establish proper earthing. Do NOT earth the unit to a utility pipe, surge absorber, or telephone earth. Incomplete earthing may cause electrical shock. ▪... - Page 45 Electrical installation Method 2: Using round crimp-style terminal 1 Strip insulation from wires and twist the end of each wire. 2 Install a round crimp-style terminal on the end of the wire. Place the round crimp-style terminal on the wire up to the covered part and fasten the terminal with the appropriate tool.
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Page 46: Specifications Of Standard Wiring Components
Electrical installation 8.1.3 Specifications of standard wiring components Component Interconnection cable Voltage 220~240 V (indoor↔outdoor) Wire size Only use harmonized wire providing double insulation and suitable for applicable voltage 4-core cable 1.5 mm²~2.5 mm (based on outdoor unit) 8.2 To connect the electrical wiring to the indoor unit Electrical work should be carried out in accordance with the installation manual and the national electrical wiring rules or code of practice. -
Page 47: To Connect Optional Accessories (Wired User Interface, Central User Interface, Wireless Adapter, Etc.)
Electrical installation 8.3 To connect optional accessories (wired user interface, central user interface, wireless adapter, etc.) 1 Remove the electrical wiring box cover. 2 Connect the optional adapter wire to the S21 connector. To connect the optional adapter wire to the option, refer to the installation manual of the optional adapter. -
Page 48: Finishing The Indoor Unit Installation
Finishing the indoor unit installation 9 Finishing the indoor unit installation 9.1 To finish the indoor unit installation 1 After the drain piping, refrigerant piping and the electrical wiring are finished. Wrap the refrigerant pipes and the interconnection cable with insulation tape. Overlap at least half the width of the tape with each turn. -
Page 49: To Re-Install The Front Panel
Finishing the indoor unit installation c White head screws (accessory) 9.2.3 To re-install the front panel 1 Insert the front panel into the grooves of the unit (3 places) and attach the string. 2 Close the front panel and slide both sliders until they click. 3 Push on the sides of the front panel to make sure the front panel is securely fixed. -
Page 50: Configuration
6 Press the indoor unit ON/OFF switch while the Daikin eye is blinking. INFORMATION If the setting could NOT be completed while the Daikin eye was blinking, repeat the setting process from the beginning. 7 When the setting is complete, press... - Page 51 Configuration Result: The user interface will return to the home screen. CVXM-A, FVXM-A, CVXM-A9, FVXM-A9, FVXTM-A Installer reference guide Split system air conditioners 4P625991-1F – 2022.09...
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Page 52: 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 53: To Perform A Test Run
Commissioning There are NO loose connections or damaged electrical components in the switch box. 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. The correct pipe size is installed and the pipes are properly insulated. -
Page 54: Hand-Over To The User
Hand-over to the user 12 Hand-over to the user Once the test run is finished and the unit operates properly, make sure the following is clear for the user: ▪ Make sure that the user has the printed documentation and ask him/her to keep it for future reference. -
Page 55: Disposal
Disposal 13 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. CVXM-A, FVXM-A, CVXM-A9, FVXM-A9, FVXTM-A Installer reference guide Split system air conditioners... -
Page 56: 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... - Page 57 Technical data Symbol Colour Symbol Colour SKY BLU Sky blue Yellow Symbol Meaning Printed circuit board Pushbutton ON/OFF, operation switch 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...
- Page 58 Technical data Symbol Meaning Switching power supply PTC* PTC thermistor Insulated gate bipolar transistor (IGBT) Circuit breaker 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...
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Page 59: 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 60 4P625991-1F 2022.09 Verantwortung für Energie und Umwelt...
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