User Manual

RevB MN301031 5of16
SAFETYPRECAUTIONS StepFour
AboutthisManual:PLEASEREADTHEENTIREMANUALPRIORTOINSTALLINGORUSINGTHISPRODUCT.
This manual includes information on all versions of the DeltaSpan™ Series Pressure Level Transmitter from
Flowline;modelsLD31‐S1_1,LD31‐S2_1,LD32‐S1_1andLD32‐S2_1.Pleaserefertothepartnumberlocated
onthetransmitterlabeltoverifytheexactmodelwhichyouhavepurchased.
User’s Responsibility for Safety:Flowline manufactures a wide range of liquid level sensors and
technologies.Whileeachofthesetechnologiesaredesignedtooperateinawidevarietyofapplications,itis
the user’s responsibility to select a technology 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.Use
apropersealantwithallinstallations.Alwayscheckforleakspriortosystemstart‐up.
Wiring and Electrical:CAUTION‐ Do not exceed specified supply  voltage rating of 30 VDC.Permanent
damagenotcoveredbywarrantywillresult.Thisdeviceisnotdesignedfor120or240voltACoperation.Use
onlythespecifiedvoltagefoundinthespecificationsection.
Temperature and Pressure:The LD31 and LD32 series are designed for use in the specified application
temperaturesreferredtointhespecificationsection.Bothseriesaredesignedforuseatpressuresupto2x
thefullspan.
MaterialCompatibility:Bothseriesaremadeof316StainlessSteel(316SS),316LStainlessSteel(316LSS)
with a cable of Polyurethane or Ethylene Tetrafluoroethylene (ETFE).The LD31 series has a bullet nose of
PolyvinylChloride(PVC).Makesurethatthe modelwhichyouhaveselectedischemicallycompatiblewiththe
applicationliquids.
Flammable,ExplosiveandHazardousApplications:DONOTUSETHEDELTASPAN™LD31orLD32SERIES
LEVELTRANSMITTERINHAZARDOUSLOCATIONS.
Make a Fail‐Safe System:Design a fail‐safe system that accommodates the possibility of transmitter
failure or battery power loss.In c ritical applications, Flowline recommends the use of redundant backup
systemsandalarmsinadditiontotheprimarysystem.
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