MULTICAL®603
60
KamstrupA/S∙Technicaldescription∙5512‐2029_A1_GB_06.2017
4.5 Clim atic conditions
MULTICAL®603isdesignedforindoorinstallationinnon‐condensingenvironmentswithambienttemperaturesfrom
5…55C,butmax30Cinordertoobtainopt imalbatterylifetime.ProtectionclassIP65ofthecalculatorallows
splashesofwater,butthemetermustnotbesubmerged.
4.6 Sealing
AccordingtoEN1434,MULTICAL®603musthaveprotectiondevices,whichcanbesealedtotheeffectthatafter
sealing,bothbeforeandaftertheheatmeterhasbeencorrectlyinstalled,itisimpossibletodismount,removeor
change the heat meter or its adjustment devices without visibly damaging meter or sealing. Correct sealing of
MULTICAL®603 includestwo levels,installation sealingand verificationsealing,a breachof sealinghas
different
consequencesoneachlevel.
Installationse aling
HavingcompletedtheinstallationofMULTICAL®60 3installationsealingisthelastthingtobedone.Theinstallation
sealisthe‘outermost’sealingleveltobecompletedbytheinstaller/utility.Theinstallationsealingmustmakesure
thatcalculatortopandbasecannotbe
separatedandthatflowsensorandtemperaturesensorscannotbedismounted
withoutvisiblesignsthataseparationhastakenplace.Inpracticetheinstallationsealingcanbedonebymeansof
wireandseal,sealinglabeloracombination.Thesealingistheutility’ssecuritythatunaut horizedpersonscannot
undiscoveredchange
theinstallationaroundthemeter.Abreach oftheinstallationsealingalonedoesnotinfluence
the meter’s possibility for renewed installation sealing or the fact that it is legal in relation to its approval and
verification.
Installationse alingandSETUPloop
InordertobringMULTICAL®603backtoSETUP
loopafterinstallation,thecalculatortopandbasemustbeseparated,
afterwhichtheSETUPloopcanbeaccessedeitherviathefrontkeysorMETERTOOLHCW.Separationofcalculator
topandbaseimpliesthatthecalculator’sinstallationsealisbroken.
Verificationseal
TheMULTICAL®603verificationsealsconsistofboth
mechanicalandelectronicsealing.Theverificationsealsmarked
“LOCK”and“TEST”areplacedonthewhiteverificationcoverinthecalculatortop.Thesesealscanbeseenasthe
‘innermost’ sealing level, which may only be broken by authorized laboratories in connection with test and
reverificationofthemeter.If
themeteristobeusedforlegaloperationinrelationtoapprovalandverificationafter
breachofverificationsealing,thebrokenseals mustberesealed.Thesealingmustbecarriedoutbyanauthorized
laboratoryusingthesealingmark(voidlabel)ofthelaboratory.