Flowline LV42 Switch-Tek Manual de usuario descargar pdf (Pagina 7)

RevA MN301200 7of10

INSTALLATION StepFive

The basic operating principle of the sump float is very simple.As fluid level rises the float will also rise,

resulting in a tilt of the micro‐switch located inside the housing.This tilt will generate a signal that can be

used to actuate a motor or signal anindicator alarm.To ensure theproper function of the sump float, it is

necessarytosecuretheelectriccableinsidethetankorwell.Thelengthofthecablemeasuredbetweenthe

fixturepoint(seebelow)andthebodyofthefloatdeterminesthetotalextensionofthefloat.Thisresultsin

thedistancebetweenthepumpstoppingandstartinglevel.Thisdistanceshouldbenolessthan6in(15cm).

Itisessentialtoensurethattherearenoobstructionsinthesumpfloatsoperationalareabeforeoperation.

Warning:During operation, adjustments to the sump float cable must not be made under any

circumstances due to the fact that any unwanted cable connections made while the sump float is

immersedinwatercanleadtoelectricshock.

There are two installation options for this sump float.One method is to fix the cable of the float to the

reservoir or container with the use of a  small clamp.Another technique would be to attachthe LV49‐7000

counterweighttothefloat’scableadesireddistancebetweenthehighestandlowestleveldesired.

Note:Withtheuseofthecounterweight,thelengthofcablebetweenthefloatandfixedpoint(starting

andstoppingindication)canbefreelyadjusted.

Note: The LV42 series is self counterweighted and can be used without the need of additional

counterweight,clamp,orbracket.Thepreviousaremeanstosimplifyinstallationandaidinorganizingthe

useofmultiplefloatswitches.

FillOperation‐ShownwithCounterWeight EmptyOperation‐ShownwithCounterWeight

INSTALLATIONOFCOUNTERWEIGHT

Forcorrectcounterweightinstallation,refertothefollowingprocedureaswellastheillustration.

1. Insert the cable into the counterweight, turning it.This will

result in the detachment of the plastic ring inserted in the

mouth (if necessary use a screwdriver to aid in the

detachment of

 the ring).Place the ring at the point on the

cablewherethecounterweightistobeattached.

2. Attach the counterweight on the ring by turning it and using

moderatepressure.(Counterweightsoldseparately).

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Flowline LV42 Switch-Tek Manual de usuario Pagina 7