3 Control functions
Night Shift Function
SMGB0135 rev.0 - 06/2020
24
3.8 Night Shift Function
It is possible to reduce the compressor load with the intention of decrease the noise during the night time. When Night
Shiftfunctionisactive,thecapacityoftheYUTAMPOunitisreducedtothepercentagedenedinthemenuandNight
Shift icon isdisplayedinthegeneralnoticationszoneoftheLCDcontroller.
Night shift is disabled by default. Timer enabled activates the function. Once timer is enabled the function is activated
and it is possible to adjust the period of time that the function is operating at the lower capacity set.
Starting time of Nigh Shift operation
Ratio of reduction in heat pump capacity
Status of activation of Night Shift (reduction of
compressor load in order to reduce operation
noise during the night hours)
Ending time of Night Shift operation
NightshiftcanbeconguredfromtheLCDcontrollertobelaunchedfromtheFavouritebutton.Then,Favouritebutton
works like an ON/OFF button:
• When Night shift timer is enabled at the Night shift menu, Favourite button lets start or stop the night shift function
beforethespeciedtime.Thenightshiftcycleendswhenthetimerarrivestothestoppingtime.Thetimercyclestarts
again the next day.
• When Night shift timer is not enabled at the Night shift menu, Favourite button starts or stops the Night shift function
like an ON/OFF switch. When Favourite button launches Night shift function, this works until Favourite button is
pressed again.
? NOTE
• DuringNightshiftmode,thecapacitygivenbytheOutdoorunitisreducedaccordingtothepercentagedenedbyuser.Thisfunction,
however,maydrivetoanuncomfortablesituation.
• ThisfunctionisavailableforHeating,CoolingandDHWapplications.
• Incaseofdefrostandcompressorprotectionoperation,thisfunctionisnotapplicable.
• ProtectionoftheIndoorunitcanoverridethisfunction.
• ProtectionoftheOutdoorunitcanoverridethisfunction.
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