A.O. Smith ADM - 90 User Manual
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Read this manual carefully

 

 

Warning

 

 

 

 

Read this manual carefully before starting up the water heater. Failure to

 

read this manual and to follow the instructions in this manual may lead to

 

accidents, personal injury, and damage to the appliance.

 

 

 

Copyright © 2008 A.O. Smith Water Products Company

 

All rights reserved.

 

 

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

 

stated in this manual.

Trademarks

Any brand names mentioned in this manual are registered trademarks of their

 

respective owners.

 

Liability

A.O. Smith Water Products Company accepts no liability for claims from third

 

parties arising from improper use other than that stated in this manual and in

 

accordance with the General Conditions registered at the Eindhoven Chamber

 

of Commerce.

 

 

Refer further to the General Conditions. These are available on request, free of

 

charge.

 

 

Although considerable care has been taken to ensure a correct and suitably

 

comprehensive description of all relevant components, the manual may

 

nonetheless contain errors and inaccuracies.

 

Should you detect any errors or inaccuracies in the manual, we would be

 

grateful if you would inform us. This helps us to further improve our

 

documentation.

 

More information

If you have any comments or queries concerning any aspect related to the

 

appliance, then please do not hesitate to contact:

 

A.O. Smith Water Products Company

 

PO Box 70

 

 

5500 AB Veldhoven

 

 

Netherlands

 

 

Telephone:

(free) 0870 - AOSMITH

 

 

0870 - 267 64 84

 

General:

+31 40 294 25 00

 

Fax:

+31 40 294 25 39

 

E-mail :

info@aosmith.nl

 

Website:

www.aosmithinternational.com

In the event of problems with connecting to the gas, electricity or water supply, please contact your installation's supplier/installation engineer .

Instruction manual ADM

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4

Instruction manual ADM

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Table of contents

1

Introduction - -

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1.1

About the appliance

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1.2

What to do if you smell gas-

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1.3

Regulations - - - - - - - - - - -

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1.4

Target groups - - - - - - - - - -

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1.5

Maintenance - - - - - - - - - - -

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Forms of notation -

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1.7

Overview of this document -

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2

Working principle of the appliance- - - - - - - - - - - - - - -

 

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2.1

Introduction - - - - - - - - -

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2.2

General working principle of the appliance

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2.3

The appliance's heating cycle

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2.4

Protection for the appliance

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2.5

Safety of the installation - -

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3

Installation - - - - - - - - - - - - - - - - - - - -

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3.1

Introduction - - - - - - - - -

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3.2

Packaging - - - - - - - - - - - - - - - - - - - - -

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Ambient conditions- - - - - - - - - - - - - - - - -

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3.4

Technical specifications

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3.5

Installation diagram - -

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3.6

Water connections, Vented-

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Water connections, Unvented

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3.8

Gas connection - - - -

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3.9

Chimney flue- - - - - - - - -

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3.10

Electrical connection - - - - - - - - - - - - - - - -

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3.11

Checking the supply pressure and burner pressure -

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4

Conversion to a different gas category

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4.1

Conversion to different category ADM 40 through 115

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Conversion to a different gas category ADM 135

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Filling - - - - - - - - - - - - -

 

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5.1

Filling unvented installations

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5.2

Filling vented installations

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6

Draining - - - - - - -

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6.1

Draining unvented installations - - - - - - - -

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6.2

Draining vented installations

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7

The control panel- - - - - - - - - - - - - - -

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7.1

Introduction - - - - - - -

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7.2

Control panel - - - - - -

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7.3

Explanation of icons - - -

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7.4

ON/OFF switch - - - - -

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7.5

Control thermostat - - - -

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7.6

Burner control reset button -

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7.7

Flue gas thermostat reset button -

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Instruction manual ADM

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Table of contents

8

Status of the appliance -

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8.1

Introduction - - -

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8.2

Operating modes

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8.3

Error conditions -

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9

Starting and running - -

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9.1

Introduction - - - - - -

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9.2

Starting the appliance -

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9.3

The appliance's heating cycle -

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Shutting down

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10.1

Introduction - - -

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10.2Shutting down the appliance for a brief period (OFF mode)- - - - - - - - - 53

10.3

Isolating the appliance from the mains - - - -

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10.4

Shutting the appliance down for a long period

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11

Troubleshooting

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11.1

Introduction - - - -

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11.2

Error conditions - - - - - - - - - - - - - -

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11.3

Troubleshooting table for general errors -

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11.4

ADM Troubleshooting table - no hot water -

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11.5

Troubleshooting table - 'insufficient hot water'

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12

Performing maintenance - - - - - - - - - - - - - - - - - - - -

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12.1

Introduction - - - - - - - - -

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12.2

Preparation for maintenance

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12.3

Water-side maintenance

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12.4

Gas-side maintenance

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12.5

Finalising maintenance

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13

Warranty (certificate) - - - - - - - -

 

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13.1

General warranty - - - - - -

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13.2

Tank warranty- - - - - - - - - - - - - -

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13.3

Conditions for Installation and use - - - - - - - - - - - - - - - - - - - -

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13.4

Exclusions - - - - - - - - -

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13.5

Scope of the warranty - - - - - - - - - -

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13.6

Claims - - - - - - - - - - - - - - - - -

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13.7

Obligations of A.O. Smith - -

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14

Appendices - - - - - - - - - - - - - - - - - - - - - - - - - - -

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14.1

Introduction - - - - - - -

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14.2

Electrical Diagrams ADM

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6

Instruction manual ADM

gis

1Introduction

1.1About the appliance This manual describes how to install, service and use the ADM appliance. The

0063

1.2What to do if you smell gas

1.3Regulations

ADM appliance is a gas-firedopen boiler without fan. ADM appliances are equipped with a flue gas backflow safeguard.

The ADM is an appliance of type B11BS.

The information in this manual applies to types: ADM 40, ADM 50, ADM 60, ADM 80, ADM 90, ADM 115 and ADM 135.

The appliance has been manufactured and equipped in accordance with the European standard for gas-firedstorage water heaters for the production of domestic hot water (EN 89). The appliances are therefore compliant with the European Directive for Gas Appliances, and and are entitled to bear the CE mark.

Warning

Read this manual carefully before starting up the water heater. Failure to read the manual and to follow the printed instructions may lead to personal injury and damage to the appliance.

Warning

If there is a gas smell:

No naked flames! No smoking!

Avoid causing sparks! Do not use any electrical equipment or switch, i.e. no telephones, plugs or bells!

Open windows and doors!

Shut off the mains gas supply valve!

Warn occupants and leave the building!

After leaving the building, alert the gas distribution company or your installation engineer.

As the (end) user, installation engineer or service and maintenance engineer, you must ensure that the entire installation complies, as a minimum, with the official local:

building regulations;

energy supplier's directives for existing gas installations;

directives and technical guidelines for natural gas installations;

safety requirements for low-voltageinstallations;

regulations governing the supply of drinking water;

regulations governing ventilation in buildings;

regulations governing the supply of air for combustion;

regulations governing the discharge of products of combustion;

requirements for installations that consume gas;

regulations governing indoor waste water disposal;

regulations imposed by fire brigade, power companies and municipality.

Instruction manual ADM

7

1

1.4Target groups

1.5Maintenance

1.6Forms of notation

Introduction

gis

 

Furthermore, the installation must comply with the manufacturer's instructions.

Note

Later amendments and/or additions to all regulations, requirements and guidelines published on or prior to the moment of installing, will apply to the installation.

The three target groups for this manual are:

(end) users;

installation engineers;

service and maintenance engineers.

Symbols on each page indicate the target groups for whom the information is intended. See the table.

Target group symbols

Symbol

Target group

 

 

 

(End) user

 

 

 

Installation engineer

 

 

 

Service and maintenance engineer

 

 

A service should be carried out at least once a year, both on the water side and on the gas side. Maintenance frequency depends, among other things, on the water quality, the average burning time per day and the set water temperature.

Note

To determine the correct maintenance frequency, it is recommended to arrange for the service and maintenance engineer to check the appliance on both the water and gas side within three months following installation. Based on this check, the best maintenance frequency can be determined.

Note

Regular maintenance extends the service life of the appliance.

Note

Both the end user and the service and maintenance engineer are responsible for regular maintenance. They will need to establish clear agreements on this.

Note

If the appliance is not regularly maintained, the warranty will become void.

The following notation is used in this manual:

Note

Important information.

Caution

Ignoring this information can lead to the appliance being damaged.

Warning

Failure to carefully read this information may lead to personal injury and serious damage to the appliance.

8

Instruction manual ADM

gis

1.7

Overview of this

The table provides an overview of the contents of this document.

 

document

Contents of this document

 

 

 

 

 

Chapter

Target groups

Description

 

 

 

Working principle of the

 

This chapter describes how the appliance functions.

appliance

 

 

 

 

 

Installation

 

This chapter describes the installation activity to be

 

 

 

completed before you actually start up the appliance.

 

 

 

 

Filling

 

 

This chapter describes how to fill the appliance.

 

 

 

Draining

 

This chapter describes how to drain the appliance.

 

 

 

The control panel

 

This chapter describes the general operation of the

 

 

 

appliance and explains how to use the control panel.

 

 

 

Status of the appliance

 

This chapter describes the status (mode or condition) that

 

 

 

the appliance may have, and possible actions to take.

 

 

 

Starting and running

 

This chapter describes how to start the appliance running.

 

 

 

The general heating cycle of the appliance is also

 

 

 

described.

Shutting down

 

This chapter describes how to shut the appliance down for

 

 

 

a brief or long period of time.

 

 

 

Troubleshooting

 

This chapter is mainly intended for the installation

 

 

 

engineer and the service and maintenance engineer. It

 

 

 

describes appliance errors. A table is included stating

 

 

 

potential symptoms, causes and solutions. End users

 

 

 

may also refer to this chapter for additional information

 

 

 

about the appliance.

 

 

 

Performing maintenance

 

This chapter sets out the maintenance tasks to be carried

 

 

 

out during a service.

 

 

 

Warranty (certificate)

 

This chapter states the warranty terms and conditions.

 

 

 

 

Instruction manual ADM

9

 

1

 

Introduction

 

 

gis

10

Instruction manual ADM