Daikin UATYQ50ABAY1 [36/44] Maintenance

Translation from original instructions

Installation manual

We reserve the right to make changes without any prior notice.

UATYQ*Y1

Packaged Rooftop

4P522680-1

7 MAINTENANCE

Alltheoperationsdescribedinthischaptermustalwaysbecarriedoutbyqualiedandauthorised

personnel.

Beforecarryingoutanyworkontheunitoraccessinginternalparts,makesureyouhaveturnedo󰀨

the power supply to it.

The compressors and delivery pipes are very hot. Be particularly careful when working near them.

Beparticularlycarefulwhenworkingnearthennedcoilsasthealuminiumnsareverysharp.

Do not access moving parts without guards.

Inunitswithcapacitorsand/orinverters,certaincomponentscanremainliveforseveralminuteseven

afterhavingturnedo󰀨themainswitch.

Wait 10 minutes before working on the electrical parts of the unit.

Circuitssuppliedfromexternalsources(madewithorangecable)canremainliveevenafterthepower

supplytotheunithasbeenturnedo󰀨.

Workontheunitonlyifthereissu󰀩cientlightingforthetypeofworktobecarriedout.

7.1 Adjustments

All the parameters that control the operation of the unit can be set through the user interface of the control.

Refertothecontrolmanualshouldmodicationsbenecessary,butcontactthemanufacturerrst.

Calibrationsregardingthesafetyoftheunitcannotbemodied(safetyvalves,highpressureswitches,fuses,etc.)or

areinanycaseprotectedfromtampering(calibrationofthermaloverloadprotectiondevices,timers,etc.).

Ifinanycasereplacementbecomesnecessary,itisessentialtousecomponentssuppliedbythemanufacturer(in

thecaseofadjustableparts)orwiththesamesizesandcharacteristics(inthecaseoffuses).