Daikin FFA50A2VEB9 Installer And User Reference Manual

8 CommissioningInstaller and user reference guide20FFA25~60A2VEB(9)Split system air conditioners4P550955-4 – 2018.08In case a wireless user interface is used: The indoor unitdecoration panel with infrared receiver is installed.The outdoor unit is properly mounted.There are NO missing phases or reversed phases.The system is properly earthed and the earth terminalsare tightened.The fuses or locally installed protection devices areinstalled according to this document, and have NOT beenbypassed.The power supply voltage matches the voltage on theidentification label of the unit.There are NO loose connections or damaged electricalcomponents in the switch box.The insulation resistance of the compressor is OK.There are NO damaged components or squeezedpipes on the inside of the indoor and outdoor units.There are NO refrigerant leaks.The correct pipe size is installed and the pipes areproperly insulated.The stop valves (gas and liquid) on the outdoor unit arefully open.8.4 To perform a test runThis task is only applicable when using the BRC1E52 or BRC1E53user interface. When using any other user interface, see theinstallation manual or service manual of the user interface.NOTICEDo not interrupt the test run.INFORMATIONBacklight. To perform an ON/OFF action on the userinterface, the backlight does not need to be lit. For anyother action, it needs to be lit first. The backlight is lit for±30 seconds when you press a button.1 Perform introductory steps.# Action1 Open the liquid stop valve (A) and gas stop valve (B)by removing the stem cap and turningcounterclockwise with a hex wrench until it stops.A B2 Close the service cover to prevent electric shocks.3 Turn ON power for at least 6 hours before startingoperation to protect the compressor.4 On the user interface, set the unit to cooling operationmode.2 Start the test run# Action Result1 Go to the home menu.Cool Set to28 °C2 Press at least 4 seconds. The Service Settings menuis displayed.3 Select Test Operation.Return SettingService Settings 1/3Test OperationMaintenance ContactField SettingsDemandMin Setpoints DifferentialGroup Address4 Press. Test Operation isdisplayed on the homemenu.CoolReturn SettingTest Operation5 Press within 10 seconds. Test run starts.3 Check operation for 3 minutes.4 Check operation of the airflow direction.# Action Result1 Press.Return SettingReturn SettingAir Volume/directionAir Volume DirectionPosition 0Low2 Select Position 0.Return SettingReturn SettingAir Volume/directionAir Volume DirectionLow Position 03 Change the position. If the airflow flap of theindoor unit moves,operation is OK.If not, operation is not OK.4 Press. The home menu isdisplayed.5 Stop the test run.# Action Result1 Press at least 4 seconds. The Service Settings menuis displayed.2 Select Test Operation.Return SettingService Settings 1/3Test OperationMaintenance ContactField SettingsDemandMin Setpoints DifferentialGroup Address