Daikin UATYQ25ABAY1 Operation Manual Download | Manualshive

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Summary of Contents for UATYQ25ABAY1

Page 1: ...1 UATYQ115ABAY1 UATYQ20AFC2Y1 UATYQ25AFC2Y1 UATYQ30AFC2Y1 UATYQ45AFC2Y1 UATYQ50AFC2Y1 UATYQ55AFC2Y1 UATYQ65AFC2Y1 UATYQ75AFC2Y1 UATYQ90AFC2Y1 UATYQ110AFC2Y1 UATYQ115AFC2Y1 UATYQ20AFC3Y1 UATYQ25AFC3Y1...

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Page 3: ...Main mask and menu 6 2 3 Switching ON OFF he unit from keyboard 7 2 4 Temperature and air flow setpoint adjust 7 2 5 Clock menu and time slots setting 8 2 5 1 Time slots programming examples 9 2 6 Sto...

Page 4: ...e menu and to set the parameters The key functions are described in the following This key called up arrow allows to scroll up the masks and to modify the value of each mask field increasing it This k...

Page 5: ...password protected or completely password protected Pressing the key from any mask the following menu loop is displayed With arrow keys it is possible to scroll the menu the selected one is highlight...

Page 6: ...ht to display the unit working mode the time slots activation the dehumidification activation not available the setpoint compensation activation where enabled to display if the unit is in defrost in f...

Page 7: ...starting up systems does not give its consent the unit will not start running 2 4 Temperature and air flow setpoint adjust select Setpoint menu Enter From S0 mask the indoor temperature setpoint in s...

Page 8: ...date can be set from this mask while the day is automatically updated to enable and set time slots input the Clock menu password and press the key the factory Clock menu password is 0001 from this mas...

Page 9: ...ng examples To better explain the time slots programming two examples are reported in the following Example n 1 The unit has to operate every day from 07 00 to 20 00 with summer setpoint 26 0 C and wi...

Page 10: ...F from 19 30 to 07 30 and the unit has to be completely switched OFF on Saturday and Sunday Masks K2 to K7 have to be set as follows In case the Unit OFF by time slot function is enabled in mask K2 th...

Page 11: ...air temperature rises above the summer setpoint while the changeover from summer mode to winter mode is done automatically when the indoor air temperature falls below the winter setpoint In any case t...

Page 12: ...emperatures internal and external the mask displays the supply air temperature the mask displays circuit 1 and 2 refrigerant pressures The mask displays the CO2 or VOC concentration read by the air qu...

Page 13: ...valve if present the mask displays the running percentage of external fans of circuit 1 and 2 the mask displays the running percentage of delivery and return fans if present the mask displays the air...

Page 14: ...this mask the control language can be changed choosing from those available Press Enter change the language the mask displays the following unit data serial number factory testing date and factory te...

Page 15: ...e following the full alarm list is reported with the main possible causes some troubleshooting hints the reset mode the action on the unit and on its components The alarm reset mode is reported on the...

Page 16: ...s the max value set Check working conditions A No None AL07 Low temp threshold exceeded Indoor temperature is lower than the min value set Check working conditions A 2 No None AL08 Low pressure Circui...

Page 17: ...rogramming not operating AL20 Summer setpoint winter setpoint Summer set point is lower than winter set point or winter set point is higher than summer set point and automatic changeover is enabled Ch...

Page 18: ...terminals Check correct functioning of the analogic input of the main board AL27 B8 probe broken or disconnected The reading of the probe B8 Outdoor air temperature exceeds the range Check working co...

Page 19: ...ntion value cooling mode Evaporation pressure circuit 2 is lower than prevention value heating mode Check working conditions A 2 No One compressor of circuit 2 Check condensing pressure Check condensi...

Page 20: ...of cooling circuit 2 in cooling summer mode from pressure transducer The attempt x of the maximum number y of attempts is displayed when the maximum number of attempts is reached the alarm reset beco...

Page 21: ...eating winter mode is lower than the low pressure prevention value Check working conditions A 2 No A compressor of circuit 2 Check evaporating pressure Check evaporating fans and coil Check evaporatin...

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Page 24: ...Copyright 2019 Daikin 4P522681 1A 2019 01 CM_DKN_0001_Rooftop_EN_10 01 2019_rev01...

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