Daikin UATYA180BFC2Y1 [31/534] Dirty filter sensor

Daikin UATYA40BBAY1 [31/534] Dirty filter sensor
Translation from original instructions
Packaged Rooftop
31
We reserve the right to make changes without any prior notice.
UATYA
4P645202-1
4.7.3 Dirty lter sensor
The level of air lter clogging is checked by means of a di󰀨erential pressure switch that measures the pressure drop
between upstream and downstream of the lter.
The control panel will signal, via an alarm on the display, the need to replace or clean the lter. The machine will
continue to work in any case.
The cut-in value is factory set and can be changed on the installed unit by turning the knob with graduated scale
using a screwdriver.
The fouling of the lter may cause a decrease in the ow rate and therefore of the machine’s
performance; restoring the lter as quickly as possible from the time of reporting is recommended.
4.7.4 Air lters
The units are tted with lters on the air supply side. To replace the lters, open the panel of the unit that shows the
indication for access to the lters.
Cleaning or replacement is essential to ensure good operation of the unit and the correct air ow rate.
4.7.5 Humidier
The units can be equipped with an immersed electrode humidier according to the model version. Before use, make
sure all electrical and hydraulic connections have been made.
Should it be necessary to carry out maintenance or replace the humidier components, rst empty the water contained
in the cylinder.
In order to ensure a correct operation and life of the humidier cylinders, the characteristics of the feed water should
be within the limits provided. The limits are reported in the specic manual.
Do not treat with softeners.
The use of well, industrial water or drawn from cooling circuits, potentially chemically or bacteriologically polluted,
is forbidden. We do not recommend the addition of disinfectants or anticorrosive compounds, as they are potential
irritants.
Any particular characteristics of the water supply, such as very low or very high conductivity, may require specic
humidier cylinders which di󰀨er from the standard, to be agreed upon with the manufacturer.

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