Daikin FXMA50A5VEB Installer And User Manual

Also see for FXMA100A5VEB: Installation and operation manual

19 | CommissioningInstaller and user reference guide70FXMA-AVRV system air conditioner4P680920-1 – 2022.0119 CommissioningNOTICEGeneral commissioning checklist. Next to the commissioning instructions in thischapter, a general commissioning checklist is also available on the Daikin BusinessPortal (authentication required).The general commissioning checklist is complementary to the instructions in thischapter and can be used as a guideline and reporting template during thecommissioning and hand-over to the user.In this chapter19.1 Overview: Commissioning ...................................................................................................................................................... 7019.2 Precautions when commissioning.......................................................................................................................................... 7019.3 Checklist before commissioning............................................................................................................................................. 7119.4 To perform a test run ............................................................................................................................................................. 7119.1 Overview: CommissioningThis chapter describes what you have to do and know to commission the systemafter it is installed.Typical workflowCommissioning typically consists of the following stages:1 Checking the "Checklist before commissioning".2 Performing a test run for the system.19.2 Precautions when commissioningINFORMATIONDuring the first running period of the unit, the required power may be higher thanstated on the nameplate of the unit. This phenomenon is caused by the compressor,that needs a continuous run time of 50 hours before reaching smooth operation andstable power consumption.NOTICEBefore starting up the system, the unit MUST be energised for at least 6 hours toavoid compressor breakdown during startup.NOTICEALWAYS operate the unit with thermistors and/or pressure sensors/switches. If NOT,burning of the compressor might be the result.NOTICECooling operation mode. Perform the test run in cooling operation mode so thatstop valves failing to open can be detected. Even if the user interface was set toheating operation mode, the unit will run in cooling operation mode during 2‑3minutes (although the user interface will display the heating icon), and thenautomatically switch to heating operation mode.