Automatic Water Level Controller – Model Lark-V50C1P

This fully automatic water level controller for submersible pumps ensures safe motor operation, accurate water level display, and energy efficiency. It works with only two wires and is compatible with all types of starters. Protects motors from dry run, overload, underload, and high/low voltage.

Product Details Video:-YOU TUBE VEDIO

Features

• Compatible with all types of starters
• Turns on the starting capacitor for 1.5 seconds
• Fully automatic operation based on tank water level
• Only 2 wires required for installation
• Works with carbon sensor kit or magnetic sensor kit

3-Mode Operation

• AUTO – Automatic operation based on water level
• OFF – No functions active
• MANUAL – Motor ON/OFF manually using starter switches

Protections

• Dry run protection 100%
• Overload/underload protection
• High/low voltage protection

Switch Modes

• Up – Manual mode (switch motor on/off manually)
• Center – Off mode (no functions active)
• Down – Auto mode (device operates automatically)

Program Setting

• Set button – Access program settings
• Green up button – Turn on motor manually even in auto mode
• Red down button – Turn off running motor manually

Indication

• Motor ON LED
• Level display: Low, 25%, 50%, 75%, 99%
• Live voltage on display
• Motor current (amperes) display

Error Codes

• DRD – Dry run delay
• LOC – Low voltage cut
• HIC – High voltage cut
• OLC – Overload cut
• ER1 – Upper tank wire break
• ER2 – Upper tank wire short
• ER3 – Lower tank wire break
• ER4 – Lower tank wire short

Program Setting Mode

• Customize High Voltage by Buttons
• Customize Low Voltage by Buttons
• Customize Dry Run percentage by Buttons
• Customize Overload percentage by Buttons
• Current Enable/Disable by Buttons

Product Specifications

• Operating voltage: 170V AC to 290V AC
• Frequency: 50–60Hz
• Current consumed: 6W
• Sensor operating voltage: 5V DC
• Relay rating: 30A (heavy duty)
• Starting Capacitor function via 16A Contactor (heavy duty)

Sensor Kit Specifications

Compatible with Carbon and Magnetic sensor kits (detailed specs can be added here).