Fully Automatic Water Level Controller and 4 Level Indicator With 5 Nos Sensor

USER MANUAL

✅Model: IT480WLC

Automatic Water Level Indicator and Controller (4 Level)
For Overhead Tank Only

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✅Package Contains

• 1 × Automatic Water Level Indicator and Controller (Model IT480WLC)

• 5 × Stainless Steel (SS) Sensors for Overhead Tank

• 1 × User Manual

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✅Specifications

• Operating Voltage: 220–250V AC, Single Phase

• Motor Capacity Support: Up to 2 HP (Monoblock, Openwell, or Submersible)

  • Note: Supports MCB type starter only (Not suitable for Push Button Starter)

• Frequency: 50 Hz

• Water Level Indication: 25%, 50%, 75%, 100%

• Control Type: Fully Automatic / Manual

• Tank Compatibility: Overhead tank only

• Technology: Advanced Embedded Technology

• Sensor Type: SS Probes (Corrosion Free)

• Enclosure: Compact Virgin ABS Housing

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✅Working Description

The IT480WLC is a fully automatic water level controller with built-in water level indicator functionality. It is designed for single overhead tanks and operates in three modes using a 3-way rocker switch.

  Automatic Mode (Switch UP)

• Motor automatically turns ON when water level falls below 25% (Low-Level Sensor).

• Motor automatically turns OFF when water level reaches 100% (High-Level Sensor).

• All 4 level indicators remain functional.

   OFF Mode (Switch CENTER)

• Motor remains OFF regardless of water level.

• Water level indicators continue to display tank levels.

   Manual Mode (Switch DOWN)

• Motor remains ON continuously, regardless of sensor inputs.

• LED water level indicators remain active.

• Used when you want to manually fill the tank.

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✅Motor Control Compatibility

• Supported: Direct ON/OFF via switch or MCB, electronic starters

• Not Supported: Push-button starter panels

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✅LED Indications

• 25% – Low Level

• 50% – Mid Level

• 75% – High-Mid Level

• 100% – Tank Full (Triggers Auto-OFF in Auto mode)

• Motor ON Indicator – Shows when motor is active

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⚠️ Important Notes

• This model is only for overhead tanks and does not support dry run protection.

• Ensure proper wiring of the reference sensor (G) for accurate sensing.

• Sensor tips must be clean and submerged properly.

• Use only MCB or switch-based motor starters, not push-button-based.

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✅Sensor Connection Guide

Sensor	Function	Description	Required
G	Reference/Ground	Common connection for sensing	✅ Yes
25%	Low Level	Triggers Motor ON	✅ Yes
50%	Mid Level	For indication only	Optional
75%	High Mid Level	For indication only	Optional
100%	High Level	Triggers Motor OFF	✅ Yes

✅ Terminal Wiring – 9 Pin Connector

• P - N → Motor Output (AC 230V Output for Motor Phase and Nuetral)   • N - P → Power Input (AC 230V Mains Input  Phase and Nuetral) • G → Ground/Reference Sensor (compulsory) • 25 → 25% Low Level Sensor (compulsory) • 50 → 50% Mid Level Sensor (optional) • 75 → 75% High Mid Sensor (optional) • 100 → 100% Full Tank Sensor (compulsory)

⭐ Features

• Elegant, compact design

• No manual operation required in Auto Mode

• Prevents tank overflow

• Energy efficient motor control

• Long lifespan, no moving/mechanical parts

• Easy installation and maintenance-free

• Supports both automatic and manual operation

• Advanced embedded technology ensures stable performance