A.O. Smith Innovo IR 12-160 Fehlerbehebungshandbuch

0312266 / R5.1

Innovo

Condensing High Efficiency

Water Heater

IR 12-160/12-200/20-160/20-200/24-245/

24-285/32-245/32-285/32-380

Installation, User and Service Manual

2822 / UK

A.O. Smith Water Heaters

Unit B7-B8 Armstong Mall

Southwood Business Park

Farnborough Hampshire

GU14 ONR UK

T : 0870 267 6484

[email protected]

www.aosmith.co.uk

A.O. Smith Europe

De Run 5305

PO Box 70

5500 AB Veldhoven

The Netherlands

Data is subject to change.

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 13.6) 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.

0312266_INNOVO_UKUK_V5.1, 2022-07-12 3

Supplier

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

water heater is delivered with the CE-marking and all necessary documentation to obey

these regulations. See the compliance section. (on page 4)

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 Innovo water

heaters is in accordance with:

•the European Regulations 2016/426 on appliances burning gaseous fuels (GAR).

•the European Standard for Gas–fired storage water heaters for the production of

domestic hot water (EN89).

•The European ECO-Design Directive.

•The European Energy Labeling Directive

Refer to the appendix Declaration of conformity (see 13.5).

Regulations

It is law that all gas appliances are installed by competent persons, in accordance with The

Gas Safety (Installation and Use) Regulations 1998. Failure to install appliances

correctly could lead to prosecution. It is in your own interest, and that of safety, to ensure

that this law is complied with. The installation of the equipment MUST be in accordance

with the relevant requirements of the Gas Safety Regulations, Building Regulations,

I.E.E. Regulations and the bylaws of the local water undertaking.

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:

•Institute of Gas Engineers and Managers (IGEM) Publications

•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: 0870 - AOSMITH (free)

0870 - 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 gas, electricity or water supply connections, contact

your (energy/water) supplier.

0312266_INNOVO_UKUK_V5.1, 2022-07-12 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.

•Texts displayed on the user interface always are shown similar to the characters in

the display, for example parameter 120 or Off.

•Buttons are always shown between brackets, for example: [], [ENTER], [RESET].

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

section "..."). 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).

0312266_INNOVO_UKUK_V5.1, 2022-07-12 7

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.

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

0312266 EN 5.1

Table of Contents

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

Trademarks....................................................................... 3

Warranty...........................................................................3

Liability.............................................................................3

Compliance....................................................................... 4

Regulations....................................................................... 4

Contact information............................................................ 5

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

Scope............................................................................... 7

Target group......................................................................7

Notation conventions.......................................................... 7

Document identification.......................................................8

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

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

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

3 Interface................................................................................... 19

3.1 Operator interface............................................................ 19

3.1.1 Control Switch..................................................................19

3.1.2 Buttons........................................................................... 20

3.1.3 LCD display..................................................................... 20

3.2 Status of the water heater................................................. 21

3.2.1 Operating modes.............................................................. 21

3.2.2 Error conditions................................................................22

3.2.3 Service conditions.............................................................22

3.2.4 Anode warning................................................................. 23

4 Use............................................................................................ 25

4.1 Set a parameter value.......................................................25

0312266_INNOVO_UKUK_V5.1, 2022-07-12 9

4.2 Turn on the water heater................................................... 25

4.2.1 Switch to ON mode........................................................... 25

4.2.2 Set the water temperature.................................................25

4.3 Turn off the water heater................................................... 25

4.3.1 Turn off for a short period.................................................. 25

4.3.2 Isolate from the mains...................................................... 26

4.3.3 Turn off for a long period................................................... 26

Installation, Maintenance and Service part.............. 27

5 Introduction.............................................................................. 29

5.1 About the water heater..................................................... 29

5.2 Working principle..............................................................29

6 Safety........................................................................................31

6.1 Safety instructions............................................................31

6.2 Instructions on the water heater.........................................32

6.3 Safety devices..................................................................33

6.4 Environmental aspects...................................................... 34

6.4.1 Recycling.........................................................................34

6.4.2 Disposal.......................................................................... 34

7 Water heater............................................................................. 35

7.1 Structure of the water heater............................................. 35

8 Installation............................................................................... 37

8.1 Packaging........................................................................37

8.2 Conditions....................................................................... 37

8.2.1 Ambient conditions........................................................... 37

8.2.2 Maximum floor load.......................................................... 37

8.2.3 Water composition............................................................ 38

8.2.4 Working clearances...........................................................38

8.2.5 Level the water heater...................................................... 38

8.3 Installation diagram..........................................................39

8.4 Water connections............................................................ 40

8.4.1 Cold water connection....................................................... 40

8.4.2 Hot water connection........................................................ 40

8.4.3 Circulation connection....................................................... 40

8.5 Condensate drain............................................................. 41

8.6 Gas connection.................................................................41

8.7 Venting system................................................................ 41

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