Worcester Greenstar Ri Compact Manuale utente

UK/IE

USER INSTRUCTIONS

WALL HUNG RSF GAS FIRED CONDENSING REGULAR BOILER

Greenstar Ri Compact

FOR OPEN VENTED AND SEALED CENTRAL HEATING SYSTEMS AND INDIRECT MAINS FED

DOMESTIC HOT WATER

6 720 648 729 (2013/05)

These appliances are for use with :

Natural Gas or L.P.G.

(Cat. II 2H 3P type C13, C33 & C53)

Model GC Number

Natural Gas 27Ri Compact 41-406-17

30Ri Compact 41-406-19

L.P.G. 27Ri Compact 41-406-18

30Ri Compact 41-406-20

PREFACE

Greenstar Ri Compact - 6 720 648 729 (2013/05)

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 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 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 2005 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

Greenstar Ri Compact - 6 720 648 729 (2013/05)

CONTENTS

1 Symbols and safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.2 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3 Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.1 Operating the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.1.1 Setting the boiler flow temperature . . . . . . . . . . . . . . . . . 8

3.1.2 Boiler frost protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.1.3 Turning the central heating off during the summer . . . . . 8

3.1.4 Boiler reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4 System Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4.1 Open vented heating systems . . . . . . . . . . . . . . . . . . . . 10

4.2 Sealed heating systems . . . . . . . . . . . . . . . . . . . . . . . . . 10

4.3 External filling loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

5 Service Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

6 Maintaining your Boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

7 Fault Finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

7.1 Extreme cold weather . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

8 Fault or Breakdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

9 Tips on energy saving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

10 Your guarantee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

11 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

12 Environment / disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

SYMBOLS AND SAFETY PRECAUTIONS

Greenstar Ri Compact - 6 720 648 729 (2013/05)

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 personal injury.

•CAUTION indicates possible personal injury.

•WARNING indicates possible severe personal injury.

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

1. a numbered step in an action sequence

▶ a step in an action sequence

a reference number to identify or refer to a part or item

• a list entry

– a list entry (second level)

Table 1 Symbols

SYMBOLS AND SAFETY PRECAUTIONS

Greenstar Ri Compact - 6 720 648 729 (2013/05)

1.2 SAFETY PRECAUTIONS

IF YOU SMELL GAS

A gas leak could potentially cause an explosion. If you smell gas, observe the following rules.

▶ 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 or regular.

▶ 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.

▶ L.P.G. boilers: Call the supplier’s number on the side of the gas tank.

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 warranty.

• 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.

• Do not remove the boiler case.

Any misuse or unauthorised modifications to the boiler, flue or associated accessories and heating system will invalidate the

warranty.

• 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

Greenstar Ri Compact - 6 720 648 729 (2013/05)

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 warranty 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.

CONTROLS

Greenstar Ri Compact - 6 720 648 729 (2013/05)

3 CONTROLS

▶ To gain access to the boiler controls pull the flap down using the curved flap handle.

Fig. 1 Basic boiler controls

Boiler

Controls

1Flame/Burner symbol

2Flame/Burner ON indicator (green)

3Operational/fault indicator (blue). The blue light is ON when the boiler is in an operational mode.

It will also flash to indicate a fault.

4Position for optional programmer

5Central heating temperature control incorporating reset position

6720648729-01.1Wo

123

reset

min

max

CONTROLS

Greenstar Ri Compact - 6 720 648 729 (2013/05)

3.1 OPERATING THE BOILER

3.1.1 SETTING THE BOILER FLOW TEMPERATURE

1. Turn the central heating temperature control knob to the desired level.

The temperature range available is between 30 and 82°C. This not the room temperature but the flow temperature through the

radiators.

The “click” point provides guidance for the maximum temperature setting for optimum energy efficiency.

2. When there is a demand for heat from the boiler, the burner indicator will be illuminate to indicate that the boiler is firing.

The blue operational/fault light will also be illuminated, to confirm that the boiler is operational.

Fig. 2 Central heating temperature control

▶ Comfort levels within rooms should be controlled by your thermostatic radiator valves and/or room thermostat.

3.1.2 BOILER FROST PROTECTION

If you are leaving your property unoccupied during cold weather, please leave your programmer on constant and your room

thermostat set to 15°C.

▶ If the temperature within the boiler falls below 8°C the pump will run to circulate water and prevent the system freezing.

– If the temperature does not rise to 9°C within 30 minutes of the pump operating, the boiler will fire up to provide heat to bring

the temperature up.

▶ If the temperature within the boiler falls below 5°C the boiler will fire, bringing the boiler temperature up to 12°C to avoid the

possibility of the system freezing.

▶ This process will be repeated until such time that the boiler temperature does not drop below 5°C.

3.1.3 TURNING THE CENTRAL HEATING OFF DURING THE SUMMER

▶ Turn your programmer/timer to the off position.

▶ Please refer to the programmer/timer manufacturer's instructions.

6720648729-02.1Wo

CONTROLS

Greenstar Ri Compact - 6 720 648 729 (2013/05)

3.1.4 BOILER RESET

In the event of a fault the operation/fault indicator will flash.

To reset the boiler:

1. Turn the Central heating control knob fully anti-clockwise to the reset position and hold there for five seconds and then return

the control knob to back to the original setting.

2. When the boiler resets, the blue operation/fault light will no longer be flashing and the boiler will function normally, dependant

on the room thermostat and optional programmer.

▶ A reset fault condition will still exist even if the electrical power to the boiler has been interrupted.

Reset the boiler as described above.

▶ If the reset is not successful then the fault indicator will continue to flash.

Fig. 3 Reset

If the fault remains and cannot be cleared by resetting the boiler, then contact Worcester, Bosch Group for

assistance on 0844 892 3000.

6720648729-05.1Wo

SYSTEM PRESSURE

Greenstar Ri Compact - 6 720 648 729 (2013/05)

4SYSTEMPRESSURE

4.1 OPEN VENTED HEATING SYSTEMS

If the boiler is fitted to an open vented system, that is a system with a header tank, the pressure will be maintained automatically.

4.2 SEALED HEATING SYSTEMS

If this boiler is fitted to a sealed heating system, the system will be pre-pressurised.

Your installer will have fitted a pressure gauge and filling loop so that the system can be monitored and adjusted as necessary.

Your installer will show you how to use the filling loop and advise you of the minimum and maximum pressure indicated on the

pressure gauge.

▶ Check regularly that the pressure is maintained.

Fig. 4 Optimum system pressure when your boiler is cold (area A)

▶ Contact your installer or maintenance engineer if a permanent significant decrease or increase in pressure is indicated on the

pressure gauge.

The filling method will be an external filling loop, fitted valves and flexible hose.

NOTICE: To comply with the Water Authority regulations you must disconnect the external filling loop after

re-pressurisation.

6720643356-11.1Wo

bar

Min

1 bar

1.5 bar

Max

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