About the refrigerant ........... Daikin website (publicly accessible). 4.4.3 To determine the additional refrigerant amount ..▪ The full set of latest technical data is available on the Daikin 4.4.4 To determine the complete recharge amount ..... extranet (authentication required).
3 Preparation Preparation Preparing the installation site CAUTION ▪ Check if the installation location can support the unit's weight. Poor installation is hazardous. It can also cause vibrations or unusual operating noise. ▪ Provide sufficient service space. ▪ Do NOT install the unit so that it is in contact with a ceiling or a wall, as this may cause vibrations.
4 Installation Drain port Bottom frame Drain plug Hose (field supply) Make sure that condensation water can be evacuated properly. To close the drain holes and attach the drain socket NOTICE In cold areas, do NOT use a drain socket, hose and caps (1, 2) with the outdoor unit.
4 Installation 2 Connect the gas refrigerant connection from the indoor unit to 4.2.1 Guidelines when connecting the the gas stop valve of the outdoor unit. refrigerant piping NOTICE Piping size Tightening Flare Flare shape It is recommended that the refrigerant piping between (mm) torque (N•m) dimensions (A)
4 Installation WARNING Charging refrigerant The appliance shall be stored in a room without continuously operating ignition sources (example: open 4.4.1 About charging refrigerant flames, an operating gas appliance or an operating electric The outdoor unit is factory charged with refrigerant, but in some heater).
4 Installation 3 Open the gas stop valve. WARNING Keep the interconnection wiring away from copper pipes 4.4.6 To fix the fluorinated greenhouse gases without thermal insulation as such pipes will be very hot. label DANGER: RISK OF ELECTROCUTION 1 Fill in the label as follows: All electrical parts (including thermistors) are powered by Contains fluorinated greenhouse gases the power supply.
5 Commissioning Commissioning NOTICE NEVER operate the unit without thermistors and/or 50 Hz 220-240 V pressure sensors/switches. Burning of the compressor might result. Interconnection cable Power supply cable Checklist before commissioning Field fuse Earth leakage circuit breaker Do NOT operate the system before the following checks are OK: Power supply Earth The indoor unit is properly mounted.
6 Troubleshooting 2 When the test run is finished, set the temperature to a normal NOTICE level. In cooling mode: 26~28°C, in heating mode: 20~24°C. During pump down operation, stop the compressor before 3 The system stops operating 3 minutes after the unit is turned removing the refrigerant piping.
8 Technical data 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 extranet (authentication required). Wiring diagram The wiring diagram can be found inside the outdoor unit (bottom side of the top plate).
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