Daikin FXMA50A5VEB Installer And User Manual

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20 | ConfigurationInstaller and user reference guide73FXMA-AVRV system air conditioner4P680920-1 – 2022.01NOTICE▪ Do NOT adjust the dampers during the fan only operation for airflow automaticadjustment.▪ For the external static pressure higher than 100 Pa, do NOT use airflow automaticadjustment function.▪ If the ventilation paths have been changed, perform the airflow automaticadjustment again.▪ Test run MUST be done with a dry coil, run the unit for 2 hours with fan only todry the coil.▪ Check if the power supply wiring, duct, air filter are properly attached. If theclosing damper is installed in the unit, make sure it is open.▪ If there is more than one air inlet and outlet, adjust the dampers so that theairflow rate of each air inlet and outlet is conform with the designed airflow rate.1 Operate the unit in fan only mode prior to using the airflow automaticadjustment function.2 Stop the air conditioning unit.3 Set the value number “—“ to 03 for M 11(21) and SW 7.4 Start the air conditioning unit.Result: The operation lamp lights up and the unit starts the fan operation forairflow automatic adjustment.5 After airflow automatic adjustment is finished (air conditioning unit will stop)check if the value number “—“ is set to 02. If there is no change, perform thesetting again.Setting content: Then(1)M SW —Airflow adjustment is OFF 11(21) 7 01Completion of automatic airflow adjustment 02Start of automatic airflow adjustment 03To set external static pressure by the user interfaceCheck the indoor unit setting: the value number “—“ must be set to 01 for M11(21) and SW 7.1 Change the value number “—“ according to the external static pressure of theduct to be connected as in table below.(1) Field settings are defined as follows:• M: Mode number – First number: for group of units – Number between brackets: for individual unit• SW: Setting number• —: Value number• : Default