Maintenance
Opening
ToperformmanualcleaningitisrequiredtoopenthePHEtocleantheplates.
Note!
BeforeopeningthePHEcheckthewarrantyconditions.Ifinanydoubt,contactanAlfa
Lavalsalesrepresentative.Referto“Warrantyconditions”onpage4.
Warning!
IfthePlateHeatExchangerishot,waituntilithascooleddowntoabout40°C(104°F).
Warning!
Ifnecessary,useproperprotectiveequipment,suchassafetyboots,safetyglovesand
eyeprotection,dependingontypeofmediainthePHE.
Boltconguration
TheboltcongurationofthePHEvariesbetweendifferentmodels.Themajorforceofthe
platepackageisholdbythetighteningbolts(TB).TodistibutetheforceevenlyovertheFrame
andPressureplatelockingbolts(LB)areusedaswell.Thelockingboltscanbeshorterand
havesmallerdimensions.Intheopeningandclosingprocedureitisimportanttoidentifythe
tighteningbolts(TB)andthelockingbolts(LB).Refertopicturebelow.
Step1
ShutdownthePHE.
Step2
ClosethevalvesandisolatethePHEfromtherestofthesystem.
DocumentIDLanguageEdition
20InstructionManual-PlateHeatExchangers3490010217EN2014-11