BUFFALO HW921 Self Serve Heated Display Unit
Safety Instructions
- Position on a flat, stable surface.
- A service agent/qualified technician should carry out installation and any repairs if required. Do not remove any components on this product.
- Consult Local and National Standards to comply with the following:
- Health and Safety at Work Legislation
- BS EN Codes of practice
- Fire Precautions
- Wiring Regulations
Building Regulations
Warning! Hot surface! Always wear safety gloves when placing or removing food.- This product is only designed to store food temporarily. Do not use for laboratory or industrial purposes.
- DO NOT use jet/pressure washers to clean the appliance.
- DO NOT use the appliance outside.
- DO NOT store products on top of the appliance.
- Always carry, store and handle the appliance in a vertical position and move by holding the base of the appliance.
- Always switch off and disconnect the power supply to the appliance when not in use.
- Keep all packaging away from children. Dispose of the packaging in accordance to the regulations of local authorities.
- If the power cord is damaged, it must be replaced by a BUFFALO agent or a recommended qualified technician in order to avoid a hazard.
- Children should be supervised to ensure that they do not play with the appliance.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience or knowledge, unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety.
- BUFFALO recommend that this appliance should be periodically tested (at least annually) by a Competent Person. Testing should include, but not be limited to: Visual Inspection, Polarity Test, Earth Continuity, Insulation Continuity and Functional Testing.
- BUFFALO recommend that this product is connected to a circuit protected by an appropriate RCD (Residual Current Device).
Product Description
HW920 – BUFFALO Self-Serve Heated Display Unit
HW921 – BUFFALO Self-Serve Heated Display Unit – Hinged Doors
Introduction
Please take a few moments to carefully read through this manual. Correct maintenance and operation of this machine will provide the best possible performance from your BUFFALO product.
Pack Contents
The following is included:
- Heated Display Unit
- Instruction manual
BUFFALO prides itself on quality and service, ensuring that at the time of unpacking the contents are supplied fully functional and free of damage.
Should you find any damage as a result of transit, please contact your BUFFALO dealer immediately.
Installation
- Remove the appliance from the packaging. Make sure that all protective plastic film and coatings are thoroughly removed from all surfaces.
- Wipe all surfaces with a clean, damp cloth before use.
- Maintain a distance of 20cm (7 inches) between the unit and walls or other objects for ventilation.
- Insert the GN pans (not supplied).
Operation
- Connect the appliance to a mains power supply.
- Set the on/off switch at the rear to ‘I’ (on position).
- Setting the temperature: Rotate the thermostat to desired temperature (Range: 30°C – 90°C).
- The appliance is now ready for food to be displayed and kept warm.
- There is a lamp on each shelf top to illuminate the contents.
Cleaning, Care & Maintenance
Caution:
Always turn off and disconnect the appliance from the power supply before cleaning.
Always allow the appliance to cool before emptying or cleaning.
- Remove any food debris that is present in the appliance after use.
- Remove the GN pans.
- Clean the interior of the appliance as often as possible.
- Use warm, soapy water and a damp cloth to clean the appliance.
- Do not use abrasive cleaning agents. These can leave harmful residues.
- Always wipe dry after cleaning.
Troubleshooting
A qualified technician must carry out repairs if required.
| Fault | Probable Cause | Solution |
| The unit is not working | The unit is not switched on | Check unit plugged in correctly and switched on |
| Plug or lead is damaged | Replace Plug or lead | |
| Fuse in the plug has blown | Replace the fuse | |
| Mains power supply fault | Check mains power supply | |
| Thermostat has failed | Consult a qualified Technician | |
| Lamp does not light when switched on | Lamp has failed | Replace the lamp. Before replacement, ensure to disconnect the unit from power supply and let it cool down. Lamp bulb type E14 |
| Loud noises | The appliance has not been installed in a level or stable position | Check installation position and change if necessary |
| The appliance is too close to a wall or other object | Move to a well-ventilated position |
Technical Specifications
Note: Due to our continuous improvement process, the product specifications are subject to change without notice.
| Model | Voltage | Power | Capacity | Temperature range | Dimensions H x W x D mm | Weight |
| HW920 | 220-240V~ 50Hz | 560W | 4 x GN 1/2 | 30°C-90°C | 650 x 625 x 457 | 28.0kg |
| HW921 | 560W | 4 x GN 1/2 | 30°C-90°C | 630 x 650 x 467 | 29.0kg |
Electrical Wiring
This appliance is supplied with a 3 pin BS1363 plug and lead.
The plug is to be connected to a suitable mains socket.
This appliance is wired as follows:
- Live wire (coloured brown) to terminal marked L
- Neutral wire (coloured blue) to terminal marked N
- Earth wire (coloured green/yellow) to terminal marked E
This appliance must be earthed.
If in doubt consult a qualified electrician.
Electrical isolation points must be kept clear of any obstructions. In the event of any emergency disconnection being required they must be readily accessible.
Compliance
The WEEE logo on this product or its documentation indicates that the product must not be disposed of as household waste. To help prevent possible harm to human health and/or the environment, the product must be disposed of in an approved and environmentally safe recycling process. For further information on how to dispose of this product correctly, contact the product supplier, or the local authority responsible for waste disposal in your area.
BUFFALO parts have undergone strict product testing in order to comply with regulatory standards and specifications set by international, independent, and federal authorities.
BUFFALO products have been approved to carry the following symbol:
All rights reserved. No part of these instructions may be produced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of BUFFALO.
Every effort is made to ensure all details are correct at the time of going to press, however, BUFFALO reserves the right to change specifications without notice.
Declaration of Conformity
Conformity Check
| Equipment Type | Model |
| Self-Serve Heated Display Unit Self-Serve Heated Display Unit – Hinged Doors |
HW920 (-E) HW921 (-E) |
| Toe passing van Europese
Richtlijn (en) • Application of the/des directive(s) du Conseil • Anwendbare EU-Richtlinie(n) • Application of the Director • Application of the directive(s) of the advice |
Low Voltage Directive (LVD) – 2014/35/EU
Electrical Equipment (Safety) Regulations 2016 EN 60335-1:2012 +A11:2014 +A13:2017 +A1:2019 +A14:2019 +A2:2019 +A15:2021 EN 60335-2-49:2003 +A1:2008 +A11:2012 +A2:2019 EN62233:2008 Electro-Magnetic Compatibility (EMC) Directive 2014/30/EU – recast of 2004/108/EC Electromagnetic Compatibility Regulations 2016 (S.I. 2016/1091) Restriction of Hazardous Substances Directive (RoHS) 2015/863 amending AnEN62233:2008 znex II to Directive 2011/65/EU Restriction of the Use of Certain Hazardous |
| Manufacturer Name | Buffalo |
| Date | 31th May 2024 | |
| Signature |  |
 |
| Full Name | Ashley Hooper | Eoghan Donnellan |
| Group Head of Product Quality & Compliance | Commercial Manager/ Importer | |
| Manufacturer Address | Fourth Way, Avon mouth, Bristol, BS11 8TB United Kingdom | Unit 9003, Blarney Business Park, Blarney, Co. Cork Ireland |
I, the undersigned, hereby declare that the equipment specified above conforms to the above Territory Legislation, Directive(s) and Standard(s).
Customer Support
UK
+44 (0)845 146 2887
http://www.buffalo-appliances.com/
HW920-HW921_ML_A5_v1_2024/07/01 
Documents / Resources
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BUFFALO HW921 Self Serve Heated Display Unit [pdf] Instruction Manual HW920, HW921, HW921 Self Serve Heated Display Unit, Self Serve Heated Display Unit, Serve Heated Display Unit, Heated Display Unit, Display Unit |
