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Daikin website (publicly accessible). To pass the pipes through the wall hole ........13 ▪ The full set of the latest technical data is available on the Daikin To fix the unit on the mounting plate ......... 14 Business Portal (authentication required).
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▪ 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. FTXF20~42E5V1B Installation manual Daikin room air conditioner 3P748643-6D – 2024.02...
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DANGER: RISK OF ELECTROCUTION ▪ Make sure that the system is earthed properly. ▪ Turn OFF the power supply before servicing. ▪ Install the switch box cover before turning ON the power supply. Installation manual FTXF20~42E5V1B Daikin room air conditioner 3P748643-6D – 2024.02...
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The room size shall be as specified in the General safety precaution. 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. FTXF20~42E5V1B...
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1 Install the front grille and firmly engage the 3 upper hooks. 2 Install 2 screws back on the front grille. 3 Install the air filter and then mount the front panel. Installation manual FTXF20~42E5V1B Daikin room air conditioner 3P748643-6D – 2024.02...
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2 Remove any burrs along the cut section using a half round needle file. Wall embedded pipe Putty Wall hole cover 4 After completing wiring, refrigerant piping and drain piping, do NOT forget to seal the gap with putty. FTXF20~42E5V1B Installation manual Daikin room air conditioner 3P748643-6D – 2024.02...
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1 Insert the drain hose in the drain pipe as shown in the following figure, so it will NOT be pulled out of the drain pipe. Insulation fixing screw Drain hose Installation manual FTXF20~42E5V1B Daikin room air conditioner 3P748643-6D – 2024.02...
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(see "PS High" on the unit name 6.2.2 To connect the refrigerant piping to the plate), larger piping thickness might be required. indoor unit ▪ Pipe length. Keep refrigerant piping as short as possible. FTXF20~42E5V1B Installation manual Daikin room air conditioner 3P748643-6D – 2024.02...
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3 Vacuum the system for at least 2 hours to a manifold pressure applicable legislation of −0.1 MPa (−1 bar). 4 After turning the pump OFF, check the pressure for at least 1 hour. Installation manual FTXF20~42E5V1B Daikin room air conditioner 3P748643-6D – 2024.02...
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Adhesive vinyl tape Insulation tape Mounting plate (accessory) NOTICE ▪ Do NOT bend refrigerant pipes. ▪ Do NOT push the refrigerant pipes onto the bottom frame or the front grille. FTXF20~42E5V1B Installation manual Daikin room air conditioner 3P748643-6D – 2024.02...
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ALWAYS operate the unit with thermistors and/or pressure Result: The flap of the indoor unit will open and close to set the sensors/switches. If NOT, burning of the compressor might reference position. be the result. Installation manual FTXF20~42E5V1B Daikin room air conditioner 3P748643-6D – 2024.02...
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In cooling mode: 26~28°C, in heating mode: 20~24°C. 3 Make sure that all functions and parts are working properly. 4 The system stops operating 3 minutes after the unit is turned OFF. FTXF20~42E5V1B Installation manual Daikin room air conditioner 3P748643-6D – 2024.02...
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▪ A subset of the latest technical data is available on the regional refer to PCB inside your unit) Daikin website (publicly accessible). Connector (frame ground) ▪ The full set of the latest technical data is available on the Daikin Harness Business Portal (authentication required). H*P, LED*, V*L...
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