Kitz RDH Series User Manual

10/31
DocumentNo.:KE-4051-00
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1.Precautions 
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DONOTusetheproductin an environmentwherethereisflammablegasorcorrosivegas. This
productisnotanexplosion-prooftype.Thereisariskofexplosion.
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 DONOTinstalltheproductinaplacewherethereisadangerofsubmergence.
 DONOTinstalltheproductinaplacesubjecttoexternalforcessuchasvibrationwhichmayaffect
the function of the product. Take appropriate measures, such as use of a vibration absorber, if
installationinsuchaplacecannotbeavoided.
 DONOTinstalltheproductinacorrosiveenvironmentwithhighhumidityandtemperature.
 DONOTinstalltheproductoutdoors.Directsunlightshallbeavoidedbyusingasunshade,etc.even
ifitisinstalledindoors.
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 Ensureasufficientspacenecessaryforinstallation,maintenanceandoperation.
 Take protective measures, such as use of a heat shield plate, against radiant heat from the
peripheralequipment.
 Take appropriate measures,such asputtingaprotectivefence,if the productis installednear a
passageway.
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2.Piping
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 Checktheflowdirectionofunidirectionalvalves,suchasV-cutvalvesandthree-wayvalvesbefore
installation. 
 AsshowninFig.8-1,applyawrenchtothevalveendonthepipingsidewhenmountingthevalve.If
thevalveisscrewedintothepipebyapplyinga wrenchontheoppositeend,rotatingforcemay
deformthevalvebodyanddamagethevalve(Fig.8-2).
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 Usesupportstandsasappropriatetoavoidexcessiveloadtothepipe.(Securelysupporttheboth
endsofthevalvewhenametallicballvalveisinstalledonplasticpipingsystems.)
 Provideafilteringdevicesuchasastrainerontheupstreamsideofthevalveifforeignobjectssuch
assandsandmetallicparticlesarecontainedinthefluid.
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 Thisproductisdeliveredwiththevalveinthefullyopenposition.Uponstartoftheoperation,the
valveautomaticallyopenstothepredeterminedposition.
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Fig.8−2
Fig.8-1
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No

Kitz RDH Series Specifications

General

Brand	Kitz
Model	RDH Series
Category	Control Unit
Language	English