Hypertherm Koolant Koolers N-Series - Replacing the Particulate Filter Cartridge

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 Maintenance‐ReplacingtheParticulateFilterCartridge

50

6. Scheduleplannedmaintenanceservices.

Consultthefactorytoscheduleandperformplannedmaintenanceservicesonthechillerbyqualified

refrigerationtechnicians.

10.2 ReplacingtheParticulateFilterCartridge

Thechiller’sprocesscircuitisequippedwithaparticulatefilter.Althoughthisprolongsthelifespanofthe

Chiller,thefiltercartridgewilleventuall ydeplete.Thechillermonitorswhenthecartridgeisnolonger

functionalandwilldisplayawarningonthecontroller.Ifthiswarningoccursthecartridgemustbereplaced

accordingtothefollowingsteps:

1. Shutth

echillerdownbyturningtheLocal/Off/RemoteSwitchbelowthecontrollertothe“O”position.

2. Accessthechiller’sairintake/filterside(refertosection6.4InternalAccess).

3. LocatetheparticulatefilterrefertoFigure41.

4. Carefullyunscrewthesumpofthefilterusingtheprovidedfilterwr

ench(typicallystoredintheinside

doorpocketoftheelectricalenclosurewhenshipped).Thesumpwillbefullofcoolantwhenremoved.

5. Removeanddiscardthedepletedfiltercartridgeandemptythesumpofcoolant.

6. Reinstallanewfiltercartridgeintothesump.

7. Reinstallth

esumpwiththenewfiltercartridgetakingcaretoensurethesumpo‐ringisproperlyseated.

8. Tightenthefiltersumpusingthefilterwrench.

9. Reinstalltheairintakefilter(s)beforerestartingchiller.

Hypertherm, Inc. Part Number: 810540