User Manual

ManualsBrandsFlowline ManualsToolsLC30 Thermo-Flo

2of14 LC900008 RevA

INTRODUCTION/TABLEOFCONTENTS StepOne

The LC30 Series Controllers are general‐purpose flow controller that accepts one flow sensor input and

providesone16Arelayforlow‐flowpumporprocessprotection.Thispackagehasanoptionalflashing alarm

andisidealforalarmindication.Packagethisflowcontrollerwithourliquidorgasflowswitchsensors.

Features

 Fail‐Saferelaycontrolofpumps,valvesoralarmswitha0to60seconddelay

 Optionalflashingalarmbringsimmediateattentiontolevelalarmconditions.

 PolypropyleneenclosureratedNEMA4Xwithswivelbaseforconduitalignment.

 EasysetupwithLEDindicatorsforsensor(s),powerandrelaystatus.

 InvertswitchchangesrelaystatefromNOtoNCwithoutrewiring.

 ACpowered

TableofContents

Specifications:.........................................................................................................................................................3

Dimensions:.............................................................................................................................................................3

SafetyPrecautions:.................................................................................................................................................4

MakeaFail‐SafeSystem:............................................................................................................................5

Components:...............................................................................................................................................5

GettingStarted:.......................................................................................................................................................6

 GuidetoControls:.......................................................................................................................................6

Electrical..................................................................................................................................................................7

 ConnectingSwitchestoInputTerminals:...................................................................................................7

 VACPowerInputWiring:............................................................................................................................7

 RelayInputWiring:.....................................................................................................................................7

 StrobeAlertOutput:...................................................................................................................................8

 Changingfrom120to240VAC...................................................................................................................8

Installation..............................................................................................................................................................9

 MountingonaSensor:................................................................................................................................9

ApplicationExamples............................................................................................................................................11

 LowFlowAlarm:........................................................................................................................................11

 LEDIndication:..........................................................................................................................................11

FlowSwitchCalibration:.......................................................................................................................................12

 SetPoints:.................................................................................................................................................12

 AccessingtheAdjustmentPotentiometer:...............................................................................................12

Appendix...............................................................................................................................................................13

 ControllerLogic.........................................................................................................................................13

 Troubleshooting........................................................................................................................................13

Warranty...............................................................................................................................................................14

