Velleman K2639 User Manual

LIQUID LEVEL CONTROLLER
K2639
ILLUSTRATED ASSEMBLY MANUAL H2639IP-1
Total solder points: 129
Difficulty level: beginner 1  2 3 4 5  advanced
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Velleman K2639 Specifications

General

Brand	Velleman
Model	K2639
Category	Controller
Language	English

Summary

Assembly Preparation and Hints

Essential Tools and General Guidelines

Soldering Techniques and Best Practices

Covers proper soldering practices, including joint appearance and lead trimming for reliable connections.

Product Testing Procedures

Power Connection and Initial Checks

Steps for connecting DC voltage or AC transformer and initial power-up checks.

Functionality Verification with LEDs

Confirms correct operation by checking LED behavior under various sensor conditions.

Device Applications and Customization

Sensor Operation and Safety Precautions

Details sensor behavior and critical safety warnings for flammable or chemical environments.

Working Principle Explained

Liquid Level Detection Stages

Describes LED indications for low, medium, and high liquid levels and relay activation.

Schematic Diagram

Complete Circuit Diagram

Printed Circuit Board (PCB) Layout

Component Placement Guide