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Summary of Contents for Daikin FXNA20A2VEB
- Page 1 Installation and operation manual VRV system air conditioner FXNA20A2VEB FXNA25A2VEB FXNA32A2VEB FXNA40A2VEB Installation and operation manual FXNA50A2VEB English VRV system air conditioner FXNA63A2VEB...
- Page 2 4P687305-37P...
- Page 3 Daikin website (publicly accessible). 14.1 Specifications of standard wiring components ......19 ▪ The full set of the latest technical data is available on the Daikin 14.2 To connect the electrical wiring to the indoor unit ..... 19 Business Portal (authentication required).
- Page 4 ISO14903 can be used. WARNING Make sure installation, servicing, maintenance, repair and CAUTION applied materials follow the instructions from Daikin ▪ When mechanical connectors are re-used indoors, (including all documents listed in “Documentation set”) renew the sealing parts.
- Page 5 ▪ Do NOT re-use joints and copper gaskets which have been used already. Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable ▪ Joints made in the installation between parts of the legislation (for example national gas regulation) and are refrigerant system shall be accessible for maintenance executed ONLY by authorised persons.
- Page 6 For minimum floor area requirements for indoor units, go to https:// www.daikin.eu and search for the latest version of the installation and operation manual of the connected outdoor unit.
- Page 7 3 User safety instructions ▪ In case of accidental refrigerant CAUTION leaks, make sure there are no naked Do NOT operate the system when flames. The refrigerant itself is using a room fumigation-type entirely safe, non-toxic and mildly insecticide. Chemicals could collect in flammable, but it will generate toxic the unit, and endanger the health of gas when it accidentally leaks into a...
- Page 8 3 User safety instructions About the refrigerant (see "7.3 About the refrigerant" [ 4 11]) WARNING WARNING: MILDLY FLAMMABLE NEVER replace a fuse with a fuse of a MATERIAL wrong ampere ratings or other wires when a fuse blows out. Use of wire or The refrigerant inside this unit is copper wire may cause the unit to mildly flammable.
- Page 9 4 About the system CAUTION When replacing the R32 refrigerant leakage sensor, replace it with the sensor specified by the manufacturer (refer to the spare parts list). Troubleshooting (see "8 Troubleshooting" [ 4 12]) WARNING Stop operation and shut OFF the °C °C power if anything unusual occurs (burning smells etc.).
- Page 10 7 Maintenance and service ▪ The air flow rate may adjust itself depending on the room Maintenance and service temperature or the fan may stop immediately. This is not a malfunction. Precautions for maintenance and ▪ If the main power supply is turned off during operation, operation will restart automatically after the power turns back on again.
- Page 11 7 Maintenance and service 7 To remove warning screens, see the reference guide of the NOTICE user interface. ▪ Do NOT use gasoline, benzene, thinner polishing powder or liquid insecticide. Possible consequence: 7.2.2 To clean the air outlet Discoloration and deformation. ▪...
- Page 12 In case of detection when the unit is in standby www.daikin.eu for more troubleshooting tips. Use the When the detection occurs when the unit is in standby, the unit search function to find your model. performs a "false detection check".
- Page 13 Allowed area for airflow direction floor area requirements for indoor units, go to https:// Discharge blades (field supply) www.daikin.eu and search for the latest version of the ▪ Use suspension bolts for installation. installation and operation manual of the connected outdoor unit.
- Page 14 12 Unit installation ≥20 Wall-mounted type Floor-standing type Minimum clearance Top view: Class A (mm) 20, 25, 32 40, 50 ≥300 ≥300 1140 ▪ Changeover of suction cover and air filter (accessory) 1 In case of front suction, remove the protective grille and the suction cover from the front side.
- Page 15 12 Unit installation Installation options Wall-mounted installation For this unit, there are 2 options for the installation: floor-standing and wall-mounted. Floor-standing installation Maintenance area width Air inlet grille width Air outlet direction Air inlet grille height Maintenance area width Air inlet direction Air inlet grille width Air outlet direction Class...
- Page 16 12 Unit installation 2 Fix the unit securely. CAUTION 3 Adjust the unit to fit between the walls. ▪ Make sure the installation of the duct does NOT exceed the setting range of the external static pressure for the 4 Make sure the unit is level at all four corners using a level or a unit.
- Page 17 13 Piping installation ▪ Checking for water leaks General guidelines ▪ Pipe length. Keep drain piping as short as possible. ▪ Pipe size. Keep the pipe size equal to or greater than that of the connecting pipe (vinyl pipe of 20 mm nominal diameter and 26 mm outer diameter).
- Page 18 14 Electrical installation CAUTION 13.2 Connecting the refrigerant piping ▪ When mechanical connectors are re-used indoors, DANGER: RISK OF BURNING/SCALDING renew the sealing parts. ▪ When flared joints are re-used indoors, re-make the flared part. 13.2.1 To connect the refrigerant piping to the indoor unit NOTICE The piping and other pressure-containing parts shall be...
- Page 19 14 Electrical installation 1 Remove the service cover. 14.1 Specifications of standard wiring components NOTICE We recommend using solid (single-core) wires. If stranded wires are used, slightly twist the strands to consolidate the end of the conductor for either direct use in the terminal clamp or insertion in a round crimp-style terminal.
- Page 20 Next 15.2 To perform a test run commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin INFORMATION Business Portal (authentication required). ▪ Perform the test run according to the instructions in the The general commissioning checklist is complementary to outdoor unit manual.
- Page 21 16 Configuration ▪ Static pressure If you want an interval of… Then ▪ Air volume when thermostat control is OFF — (air contamination) ▪ Time to clean air filter ±200 h (light) 10 (20) ±100 h (heavy) ▪ Thermostat sensor selection Notification ON ▪...
- Page 22 ▪ A subset of the latest technical data is available on the regional DIP switch Daikin website (publicly accessible). Heater ▪ The full set of the latest technical data is available on the Daikin FU*, F*U, (for characteristics, Fuse Business Portal (authentication required).
- Page 23 17 Technical data Symbol Meaning Symbol Meaning HIGH VOLTAGE High voltage Y*R, Y*S Reversing solenoid valve coil Intelligent eye sensor Ferrite core IPM* Intelligent power module ZF, Z*F Noise filter K*R, KCR, KFR, KHuR, K*M Magnetic relay Live Coil Reactor Stepper motor Compressor motor Fan motor...
- Page 24 3P599562-2D 2024.09...
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