A.O. Smith DRE 52 Troubleshooting guide

0313851 / R1.0

DRE

Electric Commercial Water Heater

Electrische Commerciele Boiler

Chauffe-eau Tertiaire Électrique

DRE 52/80

Installation, User and Service Manual

Installatie-, Gebruikers- en Servicehandleiding

Manuel d'installation, d'utilisation et d'entretien

1522 / ENNLFR

A.O. Smith siège social Europe

De Run 5305

Boîte postale 70

5500 AB Veldhoven

Pays-Bas

T : +31 (0)40 294 2500

T : 0800 267 6484

[email protected]

www.aosmithinternational.com

A.O. Smith Hoofdkantoor Europa

De Run 5305

Postbus 70

5500 AB Veldhoven

Nederland

A.O. Smith Europe

De Run 5305

PO Box 70

5500 AB Veldhoven

The Netherlands

Data is subject to change / Gegevens onderhevig aan verandering / Données sujettes à révision

English

Preface........................................................................................3

About this manual....................................................................... 7

User part............................................................13

1 Introduction.............................................................................. 15

2 Safety........................................................................................17

3 Operation.................................................................................. 19

4 Use............................................................................................21

Installation, Maintenance and Service part........23

5 Introduction.............................................................................. 25

6 Safety........................................................................................27

7 Water heater............................................................................. 33

8 Installation............................................................................... 35

9 Maintenance..............................................................................45

10 Troubleshooting........................................................................ 49

11 Warranty................................................................................... 51

Index........................................................................................ 53

Nederlands

Voorwoord.................................................................................. 3

Informatie over deze handleiding................................................7

Gedeelte voor de gebruiker................................13

1 Inleiding....................................................................................15

2 Veiligheid.................................................................................. 17

3 Werking.....................................................................................19

4 Gebruik..................................................................................... 21

Gedeelte over de installatie en het onderhoud...23

5 Inleiding....................................................................................25

6 Veiligheid.................................................................................. 27

7 Boiler........................................................................................ 33

8 Installatie..................................................................................35

9 Onderhoud................................................................................ 45

10 Storingen.................................................................................. 49

11 Garantie.................................................................................... 51

Index........................................................................................ 53

Français

Préface........................................................................................3

À propos de ce manuel................................................................ 7

Partie Utilisateur............................................... 13

1 Introduction.............................................................................. 15

2 Sécurité.....................................................................................17

0313851_DRE_NLUKFR, 30-03-2022 1

3 Fonctionnement........................................................................ 19

4 Utilisation..................................................................................21

Partie Installation et entretien.......................... 23

5 Introduction.............................................................................. 25

6 Sécurité.....................................................................................27

7 Chauffe-eau...............................................................................33

8 Installation............................................................................... 35

9 Entretien................................................................................... 45

10 Pannes...................................................................................... 49

11 Garantie.................................................................................... 51

Index........................................................................................ 53

Common appendices

A Appendices................................................................................55

Preface

Nothing from this publication may be copied, reproduced and/or published by means of

printing, photocopying or by whatsoever means, without the prior written approval of A.O.

Smith Water Products Company.

A.O. Smith Water Products Company reserves the right to modify specifications in this

manual.

Trademarks

Brand names in this manual are registered trademarks of their respective owners.

Warranty

Refer to the appendix Warranty (see 11) for the warranty provisions.

Liability

User

A.O. Smith accepts no liability when the water heater is not used correctly and requires

the user to:

• Read this manual carefully and obey the instructions.

• Ask your installation engineer for advise about the use of the water heater.

• Make sure that the service and maintenance activities are done by a qualified

engineer.

• Store the manual, in good condition, near the water heater.

Installation engineer

A.O. Smith accepts no liability when the water heater is not used correctly and requires

the installation engineer to:

• Read this manual carefully and obey the instructions.

• Make sure that the entire water heater installation complies with the applicable

regulations (on page 4).

• Make sure that the water heater is tested before the installation is taken into use.

• Explain the correct use to the user.

• Notify the user when service and maintenance activities are necessary.

• Make sure that you hand over all applicable manuals.

0313851_DRE_NLUKFR, 30-03-2022 3

Supplier

The DRE water heater is designed in accordance with the applicable regulations. The water

heater is delivered with compliancy–marking and all necessary documentation to obey

these regulations. See the compliance section.

A.O. Smith accepts no liability for claims from third parties when:

• The instructions for the correct installation of the water heater are not obeyed.

• The instructions for the correct use of the water heater are not obeyed.

• The water heater did not have maintenance on the correct maintenance interval.

For more information, refer to the General Terms of Sales. These are available on request,

free of charge.

We believe that this manual provides you with accurate and complete descriptions of all

relevant components. If you, nonetheless find errors or inaccuracies in this manual, please

inform A.O. Smith. This helps us to further improve our documentation.

Compliance

To safely produce domestic hot water, the design and construction of the DRE water

heaters is in accordance with:

• CE

- the European Directive 2014/35/EU on low voltage appliances (LVD)

- the European Directive 2014/30/EU on Electromagnetic Compatibility (EMC)

- the European Directives 2011/65/EU and 2015/863/EU on RoHS II and RoHS

III

- the European Directive 2009/125/EC on Ecological Design (ErP)

• UKCA

- the Electrical Equipment (Safety) Regulations 2016 (UK SI 2016 No. 1101)

- the Electromagnetic Compatibility Regulations 2016 (UK SI 2016 No. 1091)

- the RoHS Iregulations 2012 (UK SI 2012 No. 3032)

- the Ecodesign for Energy-Releated Products Regulation 2010 (UK SI 2010 No.

2617)

Refer to the appendix Declaration of conformity.

Regulations

The installation of the equipment MUST be in accordance with the relevant requirements of

the Building Regulations, I.E.E. Regulations and the bylaws of the local water board.

In addition, the installation should follow the relevant guidance offered in the following

documents. It is not practical to list all relevant information due to continuous changes but

emphasis is placed on the following documents, as failure to comply with the guidance

given will almost certainly result in an unsatisfactory installation:

• British Standards (BS), especially:

- BS 6700: 1997 - Design, installation, testing and maintenance of services

supplying water for domestic use with buildings and their curtilages

- BS 67074: 1989 Part 1 and 2 - Application, selection and installation of

expansion vessels and ancillary equipment for sealed systems

- BS 7671: 2008 - Requirements for electrical installations, I.E.E. wiring

regulations seventeenth edition

- CP 342: Part 2 1974 - Code of practice for centralized hot water supply-

buildings other than dwellings

• CIBSE Guides

• Clean Air Act

• H.S.E Guidance

Note

Manufacturer's notes must not be taken in any way as overriding statutory obligations.

Contact information

If you have any comments or questions, please contact:

A.O. Smith Water Products Company

Adress: PO Box 70

5500 AB Veldhoven

The Netherlands

Telephone: 0800 - AOSMITH (free)

0800 - 267 64 84

General: +31 40 294 25 00

E-mail: [email protected]

Website: www.aosmith.co.uk

In the event of problems with your electricity or water supply connections, please contact

your (energy/water) supplier.

0313851_DRE_NLUKFR, 30-03-2022 5

About this manual

Scope

This manual gives information about safe and correct use of the water heater and how

installation, maintenance and service activities have to be done correctly. You must obey

the instructions in this manual.

Caution

Read this manual carefully before you start the water heater. It can cause personal injury

and damage to the water heater when you do not read the manual and/or do not obey

the instructions.

The purpose of this manual is to:

• describe the working principles and layout of the water heater

• explain the safety devices

• highlight possible hazards

• describe the use of the water heater

• describe the installation, service and maintenance of the water heater

This manual has two parts:

• An User part that describes the correct usage of the water heater.

• An Installation, Maintenance and Service part, that describes the correct installation

and maintenance procedures.

Target group

The information in this manual applies to three target groups:

• users

• installation engineers

• service and maintenance engineers

The User part is intended for the (end) users. The Installation, Maintenance and Service

part is intended for the installation engineers and the service and maintenance engineers.

Notation conventions

This manual uses the following text conventions:

• Numbers between parentheses e.g. (1), refer to elements in a figure that are

described by the text.

• Cross-references to sections, tables, figures etc. are underlined and written as (see

"..."). In the digital version, the cross-references function as hyperlinks that can be

used to navigate through the manual by clicking on them. Example: Safety (see 2).

This manual contains the following text styles/symbols for situations that may endanger

users/engineers, cause damage to equipment or need special attention:

Note

A note gives more information on a topic.

0313851_DRE_NLUKFR, 30-03-2022 7

Caution

Obey the caution instructions to prevent damage of the water heater.

Warning

Obey the warning instructions to prevent danger of personal injury, and serious damage

to the water heater.

Document identification

Article number Language Version

0313851 EN 1.0

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