HELLER HBBF250W - User Manual

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Summary

Important Safeguards

Warning: Risk Reduction

Reduce risk of fire, electrical shock, or injury by following specific safety warnings and precautions.

Installation

Site Preparation and Mounting Hole

Check for hidden timbers/wiring, mark hole using template, ensure minimum clearances from ground, walls, and hotplates.

Cutting and Securing the Fan

Cut hole using template, insert fan assembly, secure with bar clamps or screws, and replace grille.

Gas Appliance Safety Precautions

Prevent back-flow of gases into the room from open flue or other open-fire appliances.

Care Instructions

Grille Cleaning

Remove and wash grille in soapy water. Use sugar soap for grease. Dry thoroughly before refitting.

Fan Blade Cleaning

Wipe fan blades with a moistened cloth. Never immerse the motor in any liquid.

Service and Template Information

Service and Repairs

No user-serviceable components. Contact dealer for repairs with proof of purchase.

Template Usage

Template marks a 290mm diameter hole for the 250mm fan. Check for hidden obstructions.

Summary

Important Safeguards

Warning: Risk Reduction

Reduce risk of fire, electrical shock, or injury by following specific safety warnings and precautions.

Installation

Site Preparation and Mounting Hole

Check for hidden timbers/wiring, mark hole using template, ensure minimum clearances from ground, walls, and hotplates.

Cutting and Securing the Fan

Cut hole using template, insert fan assembly, secure with bar clamps or screws, and replace grille.

Gas Appliance Safety Precautions

Prevent back-flow of gases into the room from open flue or other open-fire appliances.

Care Instructions

Grille Cleaning

Remove and wash grille in soapy water. Use sugar soap for grease. Dry thoroughly before refitting.

Fan Blade Cleaning

Wipe fan blades with a moistened cloth. Never immerse the motor in any liquid.

Service and Template Information

Service and Repairs

No user-serviceable components. Contact dealer for repairs with proof of purchase.

Template Usage

Template marks a 290mm diameter hole for the 250mm fan. Check for hidden obstructions.

This document provides installation, use, and care instructions for HELLER 250mm Exhaust Fans.

Function Description:

These devices are 250mm exhaust fans designed to provide ventilation with an airflow of 5.08 m³/min. They are intended for indoor use to extract air from a room. The manual emphasizes that the unit is not suitable for use with exhaust ducting and is not designed to be modified. Proper installation and regular cleaning are crucial for optimal performance and to maintain the warranty. The fan assembly includes a grille that can be removed for cleaning.

Important Technical Specifications:

Fan Diameter: 250mm
Airflow: 5.08 m³/min
Model Numbers: HBBF250W, HBBF250S, HEFW250, HEFS250
Power Source: Must match the voltage, frequency, and rating indicated on the product identification plate.
Installation Hole Size: Ø290mm (cut-out template provided)
Minimum Installation Height: 2.3 meters above the ground.
Clearance from Hotplate: At least 90cm.
Clearance above Fan Blades: At least 30cm.
Distance from Side Walls: At least 20cm (as shown in Fig. 1).
Clearance from Ceiling Insulation/Frame: Ensure no obstruction to airflow.
Cord: The supply cord cannot be replaced; if damaged, the appliance should be rejected.

Usage Features:

Indoor Use Only: The unit is specifically designed for indoor environments.
Safety Precautions: Users are advised to read and understand all instructions before operation.
Qualified Installation: All electrical wiring must be carried out by a licensed electrician.
Installation Location: Avoid areas where water may splash on the appliance.
Mounting: The fan can be secured in ceilings using either three bar clamps (for ceilings 13mm or less) or wood screws (for thicker ceilings).
Grille Removal: The grille simply pulls free from the frame for cleaning.
Airflow Obstruction: Ensure no ceiling insulation or frame obstructs the airflow.
Gas Back-flow Prevention: Precautions must be taken to avoid the back-flow of gases into the room from open flues or other open-fire appliances.
Warning against Foreign Objects: Do not allow any foreign object to enter the grille openings.
Warning against Ceiling Insulation: Do not allow ceiling insulation to cover any portion of the rear of the appliance.

Maintenance Features:

Regular Cleaning: Dirty fan blades and a clogged grille drastically decrease performance and working life. Regular cleaning ensures many years of trouble-free operation and maintains the warranty.
Switch Off Before Cleaning: Always switch off the appliance before removing the grille or performing any cleaning.
Grille Cleaning:
- Remove the grille.
- Wash in warm soapy water.
- Rinse thoroughly.
- A soft brush and sugar soap are recommended for stubborn grease.
- Dry thoroughly before refitting.
Fan Blade Cleaning:
- Wipe the blade with a cloth moistened with the same solution used for the grille.
Motor Care:
- CAUTION: NEVER IMMERSE THE MOTOR IN CLEANING SOLUTION OR ANY OTHER LIQUID.
Service:
- Apart from grille and blade cleaning, there are no user-serviceable components.
- If repair is required, contact the dealer from whom the appliance was purchased, providing proof of purchase.
Cord Damage: If the supply cord is damaged, the appliance should be rejected as it cannot be replaced.