Hypertherm Koolant Koolers N-Series - Mains Connectivity

 Installation‐ElectricalSupplyMains 
19
6.5.2 MainsConnectivity
Followtheprocedurebelowtoconnecttheappropriate3‐Phasepowertothechiller’smainci rcuitbreaker
disconnect.Thechillerisequippedwitha1‐3/8”conduitfittingontherightsideoftheelectricalenclosure(See
Figure7)tofacilitatemainsconnectivity.
1. Opentheelectricalenclosurebyturningthemaincir
cuitbreakerdisconnecthandletotheOFFposition
andreleasingthequarter‐turnlatchesusingaflatheadscrewdriver(refer toFigure7).
2. Removethecapontheelectricalenclosureconduit(1‐3/8”)locatedontherightsideofthechiller.
3. Routethesupplypowerthroughtheconduitandin
totheelectricalenclosure.
4. Wiremainspowertothemaincircuitbreakerdisconnectaccordingtothelabellocatedabovethe
disconnect.
5. Wirethegroundleadtotheprovidedgroundlu g(refertoFigure9).

WARNING
Thisprocedureinvolvesariskofelectricshockthatcouldcausepropertydamage,injury
and/ordeath.
Allelectricalconnectionsshouldbeperformedonlybyproperlytrainedandcertified
electricianswearingproperprotectivegearandusingproperlyinsulatedtools.
Beforeattemptingtomakeanyelectricalconnectionsordisconnectionstothechiller:
 Verifythatthechille
r’smaincircuitbreakerdisconnecthandleisintheOFFposition
 Verifythattheincomingpowertothechillerhasbeenturnedoff
 Lockoutandtagoutthemainelectricalservicedisconnect
 Useavoltmetertoverifythatthereisnoincomingpowertothechille
r

WARNING 
Thelargestwiresizethatcanbesafelyacceptedbythemaincircuitbreakerdisconnectis6
AWG.Alwaysfollowallapplicableelectricalstandardsforselectingandinstallingwiresforthe
requiredpowerandcurrentratings.

CAUTION
Thechillerisequippedwithaphasemonitorthatpreventsincorrectphasewiringofincoming
mainpower.Ifthechiller’scontrollerdisplaysaphasemonitoralarm(alarmcodeAL*26)
swapanytwoofthethreeincomingmainpowerwiresthatconnecttothemaincircuit
breakerdisconnect.Donotswapanyoftheco
mpressors’,fan(s’)orpumps’wiringwithinthe
electricalenclosure.Allthechiller’scomponentshavebeenwiredcorrectandtestedatthe
factorypriortoshipping.Swappinganyofthechiller’scomponentswillleadtoincorrect
componentmotorrotation,damagetothechiller,andvoidthewarranty.
Hypertherm, Inc. Part Number: 810540