Daikin EWAD360TZ-SLB1 [14/104] Options

Master / Slave (opt. code 128 – provided as standard)

The EWAD~TZ B featuresthenew DAIKINMaster/Slave (M/S)control. Once set which unit hastherole of

master,theother(s)willoperateasslave(s)basedontheinputsprovidedbythemaster.

Thechillersmustbeinstalledinparallelinthehydronicplant.

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withMaster/Slavecontrolispossibleto:

-balancetheworkinghoursofthecompressorsenhancingreliabilityandextendingthelifeofthesystem

Note:checkvalvesmustbeinstalledattheoutletofeachchiller.

Master/ Slavecan alsomanagethestart and stopof external pumps (notprovided byfactory). The power

supplyofexternalpumpsisnotprovidedbytheunit.

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Refrigerant leak detection (opt. code 121) Automated permanent refrigerant leak detection system

installed on board. The refrigerant sensors are installed within the compressor acoustic enclosures and are

specificallycalibratedforR134arefrigerant.Whenleaksaboveacertainconcentrationaredetected,thesensor

sendsasignaltotheunitcontroller(aspecificalarmisvisualizedontheunitmicroprocessor).Theautomatic

shut down and pump down of refrigerant into the condensing section occurs on the detection of refrigerant

leakage. The alarm threshold that triggers automatic pump down upon detection of refrigerant is set to a

applicationwheremoderateriskofcorrosionexist(eg:urban,costal,industrialenvironments)

E-coating microchannel coils (opt. code 139)

Aprotectionalayerofanepoxypolymerisaddedonthesurfaceoftheexchanger.Theprocessconsistsinthe

complete immersion of the exchanger in the epoxy polymer solution. An electric voltage applied to the

exchangercausesadifferencewiththeelectricalchargeofthepolymermoleculesthat,asresult,aredrawnto

themetal.The thicknessof the coating iscontrolled bythe appliedvoltage. The result is a uniformlayer of

epoxy polymers applied all over the exchanger surface. A final UV top-coat treatment is applied on the coil

surface.Thetreatmentisrecommendedinallapplicationwherehighriskofcorrosionexist(eg:highpollutted

urban,costal,industrialenvironmentsandtheircombinations).