Daikin Perfera CVXM20A3V1B Installer's Reference Manual
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- Installer's reference manual (60 pages)
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Summary of Contents for Daikin Perfera CVXM20A3V1B
- Page 1 Installer reference guide Split system air conditioners CVXM20A2V1B FVXM25A2V1B CVXM20A3V1B FVXM35A2V1B FVXM50A2V1B FVXM25A3V1B FVXM35A3V1B FVXM50A3V1B...
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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 9.2.3 To re-install the front panel ........................... 46 10 Configuration 10.1 To set a different address ............................... 47 11 Commissioning 11.1 Overview: Commissioning .............................. 49 11.2 Checklist before commissioning............................. 49 11.3 To perform a test run..............................50 11.3.1 To perform a test run using the user interface .....................
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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
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 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
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 Do NOT touch the air inlet or aluminium fins of the unit. CAUTION ▪... - Page 8 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: ▪...
- Page 9 General safety precautions Installation space requirements WARNING If appliances contain R32 refrigerant, the floor area of the room in which the appliances are installed, operated and stored MUST be larger than the minimum floor area defined in table below A (m ).
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Page 10: Refrigerant - In Case Of R410A Or R32
General safety precautions Ceiling-mounted Wall-mounted Floor-standing unit unit unit m (kg) m (kg) A m (kg) A ≤1.842 — ≤1.842 — ≤1.842 — 1.843 28.9 1.843 3.64 1.843 4.45 3.95 4.83 34.0 4.34 5.31 41.2 5.79 49.0 4.74 5.13 6.39 57.5 7.41 66.7... - Page 11 General safety precautions WARNING Take sufficient precautions in case of refrigerant leakage. If refrigerant gas leaks, ventilate the area immediately. Possible risks: ▪ Excessive refrigerant concentrations in a closed room can lead to oxygen deficiency. ▪ Toxic gas might be produced if refrigerant gas comes into contact with fire. DANGER: RISK OF EXPLOSION Pump down –...
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Page 12: Electrical
General safety precautions Then A siphon tube is present Charge with the cylinder upright. (i.e., the cylinder is marked with "Liquid filling siphon attached") A siphon tube is NOT present Charge with the cylinder upside down. ▪ Open refrigerant cylinders slowly. ▪... - Page 13 General safety precautions WARNING ▪ ONLY use copper wires. ▪ Make sure the field wiring complies with the applicable legislation. ▪ All field wiring MUST be performed in accordance with the wiring diagram supplied with the product. ▪ NEVER squeeze bundled cables and make sure they do NOT come in contact with the piping and sharp edges.
- Page 14 General safety precautions WARNING ▪ 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. NOTICE ONLY applicable if the power supply is three‑phase, and the compressor has an ON/ OFF starting method.
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Page 15: 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 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 3MXM40N8 or 3MXM52N8, the total liquid refrigerant piping length of the installation MUST be ≤30 m. - Page 16 Specific installer safety instructions WARNING ▪ 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.
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Page 17: About The Box
About the box 4 About the box 4.1 Indoor unit 4.1.1 To unpack the indoor unit 4.1.2 To remove the accessories from the indoor unit 1 Remove the accessories located at the bottom of the package. Spare SSID sticker is located on the unit. 1×... - Page 18 About the box l Screws for fixing drain hose m White head screws "9.2.2 To re-install the front grille" [ 45] ▪ Spare SSID sticker. Do NOT throw away the spare sticker. Keep it in a safe place in case it is needed in the future (e.g. in case the front grille is replaced, attach it to the new front grille).
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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. Following symbols may occur on the indoor unit: Symbol Explanation Measure the voltage at the terminals of main circuit capacitors or electrical components before servicing. -
Page 20: 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 21: 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 22: 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 remove the front grille............................6.2.3 To open the terminal block and remove the electrical wiring box cover ............. - Page 23 Unit installation NOTICE The equipment described in this manual may cause electronic noise generated from radio-frequency energy. The equipment complies to specifications that are designed to provide reasonable protection against such interference. However, there is no guarantee that interference will not occur in a particular installation. It is therefore recommended to install the equipment and electric wires in such a way that they keep a proper distance from stereo equipment, personal computers, etc.
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Page 24: Opening The Indoor Unit
Unit installation (65) ≥50 ≥50 (mm) A Front view B Side view ▪ Do not install the unit more than 60 mm above the floor. 6.2 Opening the indoor unit 6.2.1 To remove the front panel 1 Slide both sliders in the direction of the arrows until they click. 2 Open the front panel and remove the string. -
Page 25: 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 26: 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 27 Unit installation 3 Remove the slit portions using nippers. See "6.3.3 To remove the slit portions" [ 30]. 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.
- Page 28 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" [ 30]. 11 Open the front panel and remove the front grille (see "6.2 Opening the indoor unit" [ 24]). 12 Remove the slit portions using nippers.
- Page 29 Unit installation a Alignment symbol 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 30: 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 31: To Provide Drainage
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 32 Unit installation ▪ Drain hose. Drain hose (accessory) is 220 mm long and with 18 mm outer diameter on the connecting side. ▪ Extension hose. Use rigid polyvinyl chloride pipe (field supply) with 20 mm nominal diameter as extension hose. When connecting an extension hose, use a polyvinyl adhesive agent for glueing.
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Page 33: Mounting The User Interface
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) 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 34 Unit installation 2 Fix the user interface holder (accessory) to the wall or a similar location using 2 M3×20L screws (field supply). 3 Insert the user interface into the user interface holder. CVXM20A + FVXM25~50A Installer reference guide Split system air conditioners 4P625991-1C –...
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Page 35: 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 36: Refrigerant Piping Insulation
Piping installation 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 ▪ Use polyethylene foam as insulation material: with a heat transfer rate between 0.041 and 0.052 ... -
Page 37: Guidelines When Connecting The Refrigerant Piping
Piping installation DANGER: RISK OF BURNING/SCALDING CAUTION ▪ 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. ▪ Do NOT reuse joints. CAUTION ▪... -
Page 38: Pipe Bending Guidelines
Piping installation ▪ 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. a Torque wrench b Spanner c Piping union d Flare nut... -
Page 39: To Connect The Refrigerant Piping To The Indoor Unit
Piping installation 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. a Flare’s inner surface MUST be flawless. b The pipe end MUST be evenly flared in a perfect circle. c Make sure the flare nut is fitted. -
Page 40: 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 41: 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 42: Specifications Of Standard Wiring Components
Electrical installation Wire type Installation method Single-core wire AA´ A´ a Curled single-core wire b Screw c Flat washer Stranded conductor wire with round crimp-style terminal a 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. -
Page 43: To Connect Optional Accessories (Wired User Interface, Central User Interface, Wireless Adapter, Etc.)
Electrical installation a Terminal block b Electrical component block c Cable clamp 5 Pull the wires to make sure that they are securely attached, then retain the wires with the cable clamp. 6 Make sure that the wires do not come in contact with the metal parts of the heat exchanger. - Page 44 Electrical installation 4 Close the electrical wiring box cover. See "9.2 To close the indoor unit" [ 45]. CVXM20A + FVXM25~50A Installer reference guide Split system air conditioners 4P625991-1C – 2021.09...
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Page 45: 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 46: 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 47: Configuration
Result: The Daikin eye will start to blink. 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. CVXM20A + FVXM25~50A... - Page 48 Configuration 7 When the setting is complete, press Result: The user interface will return to the home screen. CVXM20A + FVXM25~50A Installer reference guide Split system air conditioners 4P625991-1C – 2021.09...
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Page 49: Commissioning
Commissioning 11 Commissioning 11.1 Overview: Commissioning This chapter describes what you have to do and know to commission the system after it is installed. Typical workflow Commissioning typically consists of the following stages: Checking the "Checklist before commissioning". Performing a test run for the system. 11.2 Checklist before commissioning After the installation of the unit, first check the items listed below. -
Page 50: To Perform A Test Run
Commissioning The stop valves (gas and liquid) on the outdoor unit are fully open. 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 51: 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, please 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 52: 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. CVXM20A + FVXM25~50A Installer reference guide Split system air conditioners... -
Page 53: 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 54 Technical data Symbol Meaning 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) Harness H*P, LED*, V*L...
- Page 55 Technical data Symbol Meaning 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 S*RH Humidity sensor S*W, SW* Operation switch SA*, F1S...
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Page 56: 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 4P625991-1C 2021.09 Verantwortung für Energie und Umwelt...
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