Flowline LU78 EchoSwitch Instrukcja Użytkownika Pobierz pdf (Strona 4)

4of34 MN300282 RevA

SAFETYPRECAUTIONS StepThree

About thisManual: PLEASEREADTHE ENTIREMANUALPRIOR TO INSTALLINGORUSING THIS PRODUCT.

This manual includes information on the EchoSwitch® series ultrasonic level switch and transmitter from

FLOWLINE. Please refer to the part number located on the switch label to verify the exact model

configuration,whichyouhavepurchased.

User’s Responsibility for Safety:FLOWLINE manufactures a  broad range of level sensing technologies.

While each of these sensors is designed to operate in a wide variety of applications, it is the user’s

responsibilitytoselectasensormodelthatisappropriatefortheapplication,installitproperly,performtests

oftheinstalledsystem,andmaintainallcomponents.Thefailuretodosocouldresultinpropertydamageor

seriousinjury.

Proper Installation and Handling:Only properly trained staff should install and/or repair this product.

InstalltheswitchwiththeincludedViton®gasketandneverovertightentheswitchwithinthefitting.Always

checkforleakspriortosystemstart‐up.

WiringandElectrical:Asupplyvoltageof95‐250VACisusedtopowerthe EchoSwitch®.Electricalwiring

oftheswitchshouldbeperformedinaccordancewithallapplicablenational,state,andlocalcodes.

Material Compatibility:The enclosure is made of Polycarbonate (PC).The transducer is made of

PolyvinylideneFluoride(PVDF).Makesurethatthemodel,whichyouhaveselected,ischemicallycompatible

withtheapplicationmedia.

Enclosure:Whilethe switchhousingisliquid‐resistanttheEchoSwitch®isnotdesignedtobeoperational

when immersed.It should be mounted in such a way that the enclosure and transducer do not come into

contactwiththeapplicationmediaundernormaloperationalconditions.

The enclosure has a flip cover with dual  1/2” NPT female conduit ports and an internal terminal strip for

wiring.Toopentheenclosure,youwill needasmallinsertiontoolsuchasascrewdriver.Loosenthelocking

screwlocatedatthetopfrontoftheenclosure.Rotatethehingedcoverupfor 135°accesstothefaceplate

andterminalstrips.Beforeclosingtheenclosure,makesurethattheenclosuregasketisproperlyseated,and

thatanyconduitfittings,cableconnectorsorplugsareinstalledcorrectlyandsealed.

Handling Static‐Sensitive Circuits/Devices:When handling the transmitter, the technician shouldfollow

these guidelines to reduce any possible electrostatic charge build‐up on the technician’s body and the

electronicpart.

1. Always touch a known good ground source before handling the part. This should be repeated while

handling the part and more frequently after sitting down from a standing position, sliding across the

seatorwalkingadistance.

2. Avoidtouchingelectricalterminalsofthepartunlessmakingconnections.

3. DONOTopentheunitcoveruntilitistimetocalibrate.

4. Wipeunitwithadampclothwhencleaning.

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Flowline LU78 EchoSwitch Instrukcja Użytkownika Strona 4