Daikin EWAD495TZ-SSB2 [88/104] Options technical data

Water piping

Thewatersystemmusthave:

1.Anti-vibrationjointinordertoreducetransmissionofvibrationstothestructures.

2.Isolatingvalvestoisolatetheunitfromthewatersystemduringmaintenance.

3.Flowswitch.

4.Manualorautomaticairventingdeviceatthesystem’shighestpoint.;draindeviceatthesystem’slowest

point.

5.Asuitabledevicethatcanmaintainthewatersystemunderpressure(expansiontank,etc.).

6.Watertemperatureandpressureindicatorstoassisttheoperatorduringserviceandmaintenance.

7.Afilterordevicethatcanremoveparticlesfromthefluid.Theinstallationofthefilterismandatory.Theuse

ofafilterextendsthelifeoftheevaporatorandpumpandhelpstokeepthewatersysteminabetter

condition.

8.Precautionsshouldbeprovidedtoprotecttheunitagainstfreezing.

9.Theheatrecoverydevicemustbeemptiedofwaterduringthewinterseason,unlessanethyleneglycol

mixtureinappropriatepercentageisaddedtothewatercircuit.

10.Ifcaseofunitsubstitution,theentirewatersystemmustbeemptiedandcleanedbeforethenewunitis

installed.Regulartestsandproperchemicaltreatmentofwaterarerecommendedafterstartingupthenew

unit.

11.Intheeventthatglycolisaddedtothewatersystemasanti-freezeprotection,payattentiontothefact

thatsuctionpressurewillbelower,theunit’sperformancewillbelowerandwaterpressuredropswillbe

greater.Allunit-protectionsystems,suchasanti-freeze,andlow-pressureprotectionwillneedtobe

readjusted.

12.Beforeinsulatingwaterpiping,checkthattherearenoleaks.



88/104

OPTIONS (TECHNICAL DATA)