Model LC-1Download LC-1 Installation InstructionsDownload LC-1 BrochureThe combination of any two Harwil liquid level switches and an electronic control module mounted in a weather-resistant box provide a ready-to-go system for the automatic filling or emptying of tanks or vessels.System is composed of:Electronic Latching/Unlatching Control ModuleSpecial electronic module design eliminates false starts due to turbulent wave action.Nema 4 weather resistant box with two standard 1/2″ seal tight flexible conduit fittings.A secondary 10 amp SPDT relay output is also provided.Color coded with ring and labeled terminal strip.120 or 240 VAC 50/60 Hz models available.30 amp DPST motor contactor output for driving 1 1/2 (120 VAC)/3 HP (240 VAC) pumps.Choose from any two Harwil liquid level switch models.Models for clean or contaminated fluids such as water, sea water, sewage, thin slurries, contaminated ground water, etc.Models for strong acids, bases, hydrocarbons, alcohols, inorganics, ketones, esters or ethers.Each system is provided with a complete, descriptive parts list and an installation and wiring diagram for both level switches and control module.Maintenance and check out requires only a standard multimeter.LC-1 Control Module is delivered pre-wired and is ready to hook-up to control your liquid level. Electronic Latching Control Module Specifications:Operating Voltage (Input)Voltage: 120 or 230 VACTolerance: ±15%Frequency: 50/60 HzOutputElectromechanical relayForm: Single pole double throw, isolatedRating: 10 AMPs resistive at 240 VACProtectionTransient ProtectedDielectric Breakdown: 1500 volts RMS minimum between input, output and probe.EnvironmentOperating Temperatures: -20°C to 55°CStorage Temperatures: -20°C to 55°CCoating: Printed circuit board is conformal coated to resist moisture and corrosion.Motor Contactor SpecificationsOperating Coil120 VAC or 208-240 VAC 50/60 HzInrush: 31 VAContinuous use: 7 VAPickup: 90 VAC (120 VAC Coil)170 VAC (208-240 VA Coil)Coil Insulation: Class BCoil Connections: Double Male 1/4″ quick connectMaximum Ambient Temperature: 155°FOutput Power ContactsType: DPST – Normally OpenContact rating per pole: Terminal Strip – 812 SeriesElectrical RatingRated voltage – 1600 Volts RMSCurrent rating – 30 AMPSWire SizeWill accommodate lugs for wire sizes AWG #14 to 12HardwareScrews and terminals – brass, nickel platedSolder terminals – brass, hot-tinnedMolded MaterialG.P. phenolic (94V-0).UL Recognized – UL File No. E47811 CSA File No. 21356Control BoxRain resistant type 3R UL listed J&P Box 312J P/N 70233A Complete operating instructions, mechanical and electrical installation drawing and a numbered parts list is supplied with each unit.How to order:Four items are required to order a complete control system:Basic Model Number: LC-1Level Switch Model Number: Choose from 15 standard models.Length of cable in feet between control module and liquid level switches. Standard cable is 1/4″ O.D. SVJ 18-2/90°C UL listed. Note: if customer is to supply cable, enter “O”Operating Voltage.
