WilTec SUNSUN HW-303 User Manual

Operation Manual
External Aquarium Filter
HW-302–304, 402B–404B, 403A, 404A
50192–50197, 50358, 50359
Illustration similar, may vary depending on model
Read and follow the operating instructions and safety information before using for the first time.
Technical changes reserved!
Due to further developments, illustrations, functioning steps and technical data can differ insignific -
antly.
Updating the documentation
If you have suggestions for improvement or have found any irregularities, please contact us.

WilTec SUNSUN HW-303 Specifications

General

Model	HW-303
Suitable for Aquariums	Yes
Filtration Stages	3
Number of Filter Baskets	3
Voltage	220 - 240 V
Category	Water Filtration Systems
Frequency	50 Hz
Dimensions	290 x 290 x 485 mm

Summary

Introduction and Safety

Introduction

General welcome and instructions to read the manual.

Important Safeguards

Essential safety precautions for operating the aquarium filter.

Technical Data

Operation and Troubleshooting

Troubleshooting Guide

Problems, causes, and solutions for common filter issues.

Noise Reduction and Air Evacuation

Tips for reducing noise and removing air from the filter system.

Leakage Issues

Diagnosing and resolving leaks after installation or cleaning.

Filter Media Basics

Disposal Regulations