Daikin FXMA50A5VEB Installer And User Manual

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19 | CommissioningInstaller and user reference guide71FXMA-AVRV system air conditioner4P680920-1 – 2022.0119.3 Checklist before commissioning1 After the installation of the unit, check the items listed below.2 Close the unit.3 Power up the unit.You read the complete installation and operation instructions, as described in the installerand user reference guide.The indoor unit is properly mounted.The outdoor unit is properly mounted.Make sure drain piping is properly installed, insulated and drainage flows smoothly. Checkfor water leaks.Possible consequence: Condensate water might drip.The ducting is properly installed and insulated.The refrigerant pipes (gas and liquid) are installed correctly and thermally insulated.There are NO refrigerant leaks.There are NO missing phases or reversed phases.The system is properly earthed and the earth terminals are tightened.The fuses or locally installed protection devices are installed according to this document,and have NOT been bypassed.The power supply voltage matches the voltage on the identification label of the unit.There are NO loose connections or damaged electrical components in the switch box.There are NO damaged components or squeezed pipes on the inside of the indoor andoutdoor units.The stop valves (gas and liquid) on the outdoor unit are fully open.19.4 To perform a test runINFORMATION▪ Perform the test run according to the instructions in the outdoor unit manual.▪ The test run is only completed if there is no malfunction code displayed on theuser interface or the outdoor unit 7‑segment display.▪ See the service manual for the complete list of error codes and a detailedtroubleshooting guideline for each error.NOTICEDo NOT interrupt the test run.