WilTec SUNSUN HW-404B 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-404B Specifications

General

Brand	WilTec
Model	SUNSUN HW-404B
Category	Water Filtration Systems
Language	English

Summary

Operation Manual and Safety

Introduction to Operation

Welcome message and instruction to read the manual carefully.

Important Safeguards

Essential safety precautions for operating the aquarium filter.

Filter Setup and Initial Operation

Filter Assembly Steps

Instructions for separating the filter head, accessing trays, and connecting components.

Filter Priming and UV Operation

Procedures for priming the filter and operating the UV indicator light.

Filter Maintenance and Technical Data

Replacing the UV Light Tube

Step-by-step guide for replacing the UV light tube in equipped models.

Technical Specifications

Table detailing technical specifications for various filter models.

Troubleshooting and Disposal

Troubleshooting Common Problems

Solutions for common issues like filter not operating or abnormal sounds.

Filter Operation Issues

Guidance on noise reduction, air evacuation, and leakage troubleshooting.

Disposal Regulations

Information on the proper disposal of electric appliances according to EU guidelines.