Worcester GREENSTAR CDi CLASSIC REGULAR Bedienungsanleitung

UK/IE

USER INSTRUCTIONS

WALL HUNG RSF GAS FIRED CONDENSING REGULAR BOILER

GREENSTAR CDi CLASSIC REGULAR

6 720 812 179-00.1O

FOR OPEN VENTED AND SEALED CENTRAL HEATING SYSTEMS

AND INDIRECTLY FED DOMESTIC HOT WATER

6 720 812 177 (2014/07)

The appliance is for use with:

Natural Gas or L.P.G. (CAT II 2H3P type C13 & C33)

Natural Gas:

30CDi Regular GC number 41-406-33

40CDi Regular GC number 41-406-35

L.P.G:

30CDi Regular GC number 41-406-34

40CDi Regular GC number 41-406-36

Preface

GREENSTAR CDi CLASSIC REGULAR – 6 720 812 177 (2014/07)

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

regular 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 over 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.

TABLE OF CONTENTS

1 Key to symbols and safety instructions . . . . . . . . . . . 3

1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 General safety instructions . . . . . . . . . . . . . . . . . . 3

2 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Operating the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.1 Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.2 Switching the boiler on/off . . . . . . . . . . . . . . . . . . 6

3.3 Setting the central heating temperature . . . . . . . 7

3.3.1Controlling the central heating . . . . . . . . . . . . . . . 7

3.4 Frost protection (for the boiler) . . . . . . . . . . . . . . 8

3.4.1Frost protection (for the heating system) . . . . . . 8

3.5 Fault condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4.1 Fault finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4.2 Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.3 Extreme cold weather . . . . . . . . . . . . . . . . . . . . . 12

5 General notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

6 Fault or Breakdown . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

7 Tips on energy saving . . . . . . . . . . . . . . . . . . . . . . . . . 13

8 Your guarantee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

9 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Key to symbols and safety instructions

GREENSTAR CDi CLASSIC REGULAR – 6 720 812 177 (2014/07)

1 KEY TO SYMBOLS AND SAFETY

INSTRUCTIONS

1.1 KEY TO SYMBOLS

WARNINGS

The following keywords are defined and can be used in this

document:

•NOTE indicates a situation that could result in damage to

property or equipment.

•CAUTION indicates a situation that could result in minor to

medium injury.

•WARNING indicates a situation that could result in severe

injury or death.

•DANGER indicates a situation that will result in severe

injury or death.

IMPORTANT INFORMATION

ADDITIONAL SYMBOLS

1.2 GENERAL SAFETY INSTRUCTIONS

These installation instructions are intended for gas fitters,

plumbers, heating engineers and electricians.

▶ Read any installation instructions (boiler, heating controls,

etc.) carefully before starting the installation.

▶ Observe the safety instructions and warnings.

▶ Observe national and regional regulations, technical rules

and guidelines.

▶ Record all work carried out.

IF YOU SMELL GAS

A gas leak could potentially cause an explosion. If you smell gas,

observe the following rules.

▶ Prevent 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.

▶ Turn off the gas at the meter.

▶ Open windows and doors.

▶ Warn your neighbours and leave the building.

▶ Prevent anyone from entering the building.

▶ Well away from the building: call the National Gas

Emergency Service on 0800 111 999.

INTENDED USE

This boiler must only be used as a heat appliance in a sealed hot

water heating system for domestic purposes.

Any other use is considered inappropriate. Any damage that

results from such use is excluded from liability.

INSTALLATION, COMMISSIONING AND SERVICING

Installation, commissioning and servicing must only be carried

out by a competent, Gas Safe registered engineer.

▶ Carry out a gas tightness test after completing work on gas-

carrying components.

▶ Only use original spares.

ELECTRICAL WORK

Electrical work must only be carried out by a qualified

electrician.

▶ Before starting electrical work:

– Isolate the mains electrical supply and secure against

unintentional reconnection.

– Check for zero potential.

▶ Also observe connection diagrams of other system

components.

Warnings in this document are identified by a

warning triangle printed against a grey

background.

Keywords at the start of a warning indicate the

type and seriousness of the ensuing risk if

measures to prevent the risk are not taken.

This symbol indicates important information

where there is no risk to people or property.

Symbol Explanation

▶ Step in an action sequence

Cross-reference to another part of the document

• List entry

– List entry (second level)

Table 1

General Information

GREENSTAR CDi CLASSIC REGULAR – 6 720 812 177 (2014/07)

HANDOVER TO THE USER

When handing over, instruct the user how to operate the

heating system and inform him about its operating conditions.

▶ Explain how to operate the heating system and draw the

user's attention to any safety-relevant action.

▶ Explain that modifications and repairs must only be carried

out by an authorised contractor.

▶ Advise the user to have the system serviced annually by a

competent, Gas Safe registered engineer.

▶ Leave the installation instructions with the completed

Benchmark Checklist (or a certificate confirming

compliance with IS 813, Eire only) and the operating

instructions with the user or at the gas meter.

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.

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

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.

Operating the boiler

GREENSTAR CDi CLASSIC REGULAR – 6 720 812 177 (2014/07)

3 OPERATING THE BOILER

3.1 CONTROLS

Fig. 1 Control panel

[1] Display

[2] Reset button

[3] Not used

[4] Not used

[5] ON/OFF and fault indicator (blue)

[6] Central heating temperature control

[7] Performance test button

[8] Service button

[9] Burner indicator (green)

[10] ON/OFF button

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reset

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Operating the boiler

GREENSTAR CDi CLASSIC REGULAR – 6 720 812 177 (2014/07)

3.2 SWITCHING THE BOILER ON/OFF

Switching on

▶ Switch on the boiler by pressing the ON/OFF button [10].

The ON/OFF indicator [5] shows blue.

Fig. 2

Switching off

▶ Switch off the boiler by pressing the ON/OFF button.

The ON/OFF indicator light goes out.

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reset

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The boiler runs for 15 minutes at minimum heating output to fill the condensate trap. The display alternates

between and the central heating flow temperature.

This occurs every time the mains supply has been interrupted.

Operating the boiler

GREENSTAR CDi CLASSIC REGULAR – 6 720 812 177 (2014/07)

3.3 SETTING THE CENTRAL HEATING TEMPERATURE

▶ Turn the central heating temperature control [6] to the

desired level, between approximately 35°C and 90°C.

▶ When the burner is lit, the burner indicator [9] underneath

the ON/OFF button shows green.

Fig. 3

3.3.1 CONTROLLING THE CENTRAL HEATING

Central heating systems must be controlled effectively using a

programmer or timer and a room thermostat.

▶ For further information on how to control your central

heating systemplease refer to the individual user guides for

the programmer or timer installed in your home.

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Position Central heating temperature

1approx. 35°C

2approx. 43°C

3approx. 50°C

4approx. 60°C

5approx. 67°C

6approx. 75°C

max approx. 90°C

Table 2 Settings for the central heating temperature

Operating the boiler

GREENSTAR CDi CLASSIC REGULAR – 6 720 812 177 (2014/07)

3.4 FROST PROTECTION (FOR THE BOILER)

Activating frost protection will turn off the boiler and prevent

heating of the central heating.

If the temperature within the boiler drops to 5°C the boiler will

fire to avoid the possibility of freezing.

Fig. 4

To activate frost protection:

▶ Leave power [10] switch on.

▶ Turn the central heating temperature control [6] to .

3.4.1 FROST PROTECTION (FOR THE HEATING SYSTEM)

If remote pipework is likely to be subject to freezing conditions:

▶ Ensure the installer has fitted a frost thermostat in the area

to protect the pipework from freezing.

▶ Ensure the installer has added a suitable anti-freeze fluid to

the water in the central heating system.

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reset

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Operating the boiler

GREENSTAR CDi CLASSIC REGULAR – 6 720 812 177 (2014/07)

3.5 FAULT CONDITION

In the event of a fault occurring while the boiler is in operation

the reset button and the main fault indicator [5] will flash.

The display [1] will show an error code (for error codes see

table 4 on page 11)

Fig. 5

To reset the boiler:

▶ Press the reset button [2] for three seconds.

The reset button [2] and the ON/OFF indicator [5] will stop

flashing.

The boiler will function normally, dependent on

programmer and room thermostat settings.

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If the fault cannot be cleared by pressing the

reset button:

▶ Refer to the fault finding section on page

10 of these user instructions.

▶ Call Worcester, Bosch Group, giving a

description of the fault and, if possible,

the fault code from the seven segment

display. Alternatively contact other Gas

Safe registered personnel for

assistance.

Maintenance

GREENSTAR CDi CLASSIC REGULAR – 6 720 812 177 (2014/07)

4MAINTENANCE

Your new Greenstar CDi Classic Regular gasfired appliance

represents a long term investment in a reliable, high quality

product.

In order to realise its maximum working life, and to ensure it

continues to operate at peak efficiency and performance, it is

essential that your boiler receives regular servicing and

maintenance checks from a competent person beyond the

initial 2 year guarantee period.

If you would like to know more about a Worcester Bosch service

contract, please tick the appropriate box on your warranty

registration card.

If your Greenstar CDi Classic Regular should fail to operate

correctly or requires servicing please contact the Worcester

Bosch Service Department (see back page cover for details).

Details of the boiler including the Gas Council number can be

found under the controls cover flap on the boiler.

4.1 FAULT FINDING

This table gives information on basic operating system

problems.

Problem Cause Remedy

EA fault code flashing on

display

No gas supply/low gas supply pressure ▶ Contact your gas supplier.

Condensate outlet blocked ▶ If it is safe to do so, check your condensate pipe

outlet for blockages, such as ice or foreign

objects.

Flue blocked ▶ If it is safe to do so, check your flue outlet for

damage or blockages.

Desired room temperature

is not reached

Thermostatic radiator valve(s) set too low ▶ Increase thermostatic radiator valve setting(s)

Temperature control for central heating flow

on boiler set too low

▶ Increase central heating flow temperature control

setting

Air trapped in heating system ▶ Bleed radiators and recharge heating system

Low temperature setting on the boiler

controls

▶ Increase settings on boiler controls

Desired room temperature

too high

Radiators are too hot ▶ Turn down thermostatic radiator valves/room

thermostat

▶Reducecentralheatingtemperature by turning

down the Central Heating control on boiler

Heating stays on too long Clock is incorrectly set ▶ Check setting and adjust

ON/OFF Indicator is not

illuminated

Momentary power failure ▶ Disconnect boiler supply, wait a few seconds then

reconnect.

Table 3 Fault finding

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