Bosch Worcester Greenstar 24 Bedienungsanleitung

UK/IE

USER INSTRUCTIONS

WALL HUNG RSF GAS FIRED CONDENSING COMBINATION BOILER

GREENSTAR 24/28

6720801019-00.1Wo

FOR SEALED CENTRAL HEATING SYSTEMS AND MAINS FED

DOMESTIC HOT WATER

6 720 801 019 (2012/05)

preface

6 720 801 019 (2012/05)

PREFACE

PLEASE READ THESE INSTRUCTIONS CAREFULLY

These instructions are applicable to the Worcester, Bosch Group

boiler model stated on the front cover only.

These instructions apply in the UK/IE only and must be followed

except for any statutory obligation.

After installation please leave this User instruction Manual,

Installation, Commissioning and Servicing Instructions and

completed Benchmark Checklist with the user.

DEDICATED TO HEATING COMFORT

Thank you for purchasing a Greenstar gas-fired condensing

combination boiler manufactured by Worcester, Bosch Group.

The company prides itself on manufacturing boilers to the

strictest quality control standards throughout every stage of

production.

Worcester, Bosch group has led the field in innovative boiler

design and performance for 50 years. This heritage means all our

products are of exceptional quality and proven reliability.

The Greenstar range in particular is extremely energy efficient,

offering you economical running costs and value for money. It sits

in SEDBUK Band A, and is therefore amongst the top energy rated

boilers available.

There is also the reassurance of our no-nonsense 2 years parts and

labour guarantee - backed up by Worcester Total Cover, an

optional complete maintenance scheme to keep your boiler

operating at peak condition and efficiency.

Contents

6 720 801 019 (2012/05)

CONTENTS

1 Symbols and safety precautions 5

1.1 Explanation of symbols 5

1.2 Safety precautions 6

2 General information 8

3 Opening the control panel cover 10

4 Overview of controls 11

5Operation 12

5.1 Switching the appliance on/off 12

5.2 Switching on the central heating 14

5.3 System controls 15

5.4 Setting hot water temperature 16

5.5 Frost protection 17

5.6 Button lock 18

5.7 Boiler reset 19

5.8 Display codes 20

5.9 Extreme cold weather 21

Contents

6 720 801 019 (2012/05)

6SystemPressure 23

6.1 Sealed heating systems 23

6.2 External filling loop 24

7 Fault or Breakdown 26

8 Environment / disposal 27

9 Tips on energy saving 28

10 Your guarantee 30

11 Glossary 32

12 General Information 34

13 Quick reference guide 35

Symbols and safety precautions

6 720 801 019 (2012/05)

1 Symbols and safety precautions

1.1 EXPLANATION OF SYMBOLS

WARNING SYMBOLS

Signal words indicate the seriousness of the hazard in terms of the

consequences of not following the safety instructions.

•NOTICE indicates possible damage to property or equipment,

but where there is no risk of injury.

•CAUTION indicates possible injury.

•WARNING indicates possible severe injury.

•DANGER indicates possible risk to life.

IMPORTANT INFORMATION

ADDITIONAL SYMBOLS

Safety instructions in this document are framed

and identified by a warning triangle which is

printed on a grey background.

Notes contain important information in cases where

there is no risk of personal injury or material losses

and are identified by the symbol shown on the left.

They are bordered by horizontal lines above and

below the text.

Symbol Meaning

Ba step in an action sequence

Æa reference to a related part in the document or

to other related documents

•a list entry

–a list entry (second level)

Symbols and safety precautions

6 720 801 019 (2012/05)

1.2 SAFETY PRECAUTIONS

IF YOU SMELL GAS!

A gas leak could potentially cause an explosion.

If you smell gas, observe the following rules.

BPrevent flames or sparks:

–Do not smoke, use a lighter or strike matches.

–Do not operate any electrical switches or unplug any

equipment.

–Do not use the telephone or ring doorbells.

BTurn off the gas at the meter.

BOpen windows and doors.

BLeave the building and warn your neighbours.

BPrevent anyone from entering the building.

BWell away from the building: call the National Gas Emergency

Service on 0800 111 999.

BOILER OPERATION:

This boiler must only be operated by a responsible adult who has

been instructed in, understands and is aware of the boiler's

operating conditions and effects.

COMBUSTIBLE AND CORROSIVE MATERIALS:

Chemically aggressive substances can corrode the boiler and

invalidate any guarantee.

•Do not store or use any combustible materials (paper,

thinners, paints, propellants, cleaning agents etc.) inside or

within the vicinity of the appliance.

FITTINGS AND MODIFICATIONS:

Only a competent engineer can remove the boiler case and carry

out any work, in accordance with the Gas Safety (Installation and

Use) Regulations.

Symbols and safety precautions

6 720 801 019 (2012/05)

•Do not remove the boiler case.

Any misuse or unauthorised modifications to the boiler, flue or

associated accessories and heating system will invalidate the

guarantee.

•Do not modify the boiler or flue system in any way.

Worcester, Bosch Group accepts no liability arising from any such

actions. This does not affect your statutory rights.

General information

6 720 801 019 (2012/05)

2 GENERAL INFORMATION

SERVICING

•The boiler must be serviced regularly by a competent, qualified

person, such as a Worcester service engineer or other Gas Safe

registered engineer.

•Always use original spares, to help maintain the efficiency,

safety and reliability of the boiler and have the Service Record

completed in the Benchmark Checklist.

The completed Benchmark Checklist will be required in the event

of any guarantee work and may be required by the local Building

Control Inspector.

BENCHMARK STANDARD

The Benchmark initiative is a code of

practice to encourage the correct

installation, commissioning and servicing

of domestic central heating boilers and

system equipment.

A “checklist” is dispatched with every boiler. This is a vital

document that needs to be completed by the installer at the time

of installation. It confirms that the boiler has been installed and

commissioned according to the manufacturer's instructions.

Ensure that the service engineer completes the

Service Record in the Benchmark Checklist after

each service. The Benchmark Checklist and service

interval record can be found at the rear of the

Installation, Commissioning and Servicing

Instructions.

General information

6 720 801 019 (2012/05)

The log book provides space for the recording of regular servicing

of the boiler/heating system and this can become a valuable

document when, for example, you wish to sell the property. The

log book will show a potential purchaser that the heating system

has received regular professional maintenance and servicing

during its lifetime.

The Benchmark initiative aims to:

•Raise standards among professional installers

•Build and maintain high safety standards in the industry

•Improve customer satisfaction levels

•Make a contribution to the nation's commitment to climate

change

Opening the control panel cover

6 720 801 019 (2012/05)

3 OPENING THE CONTROL

PANEL COVER

BTo unlatch the flap, push and release at the point indicated.

BTo close and secure the flap, swing up and push in once to

latch.

6 720 612 660-01.2R

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