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USER INSTRUCTIONS
WALL HUNG RSF GAS FIRED CONDENSING SYSTEM BOILER
Greenstar i System Compact
FOR CENTRAL HEATING SYSTEMS AND INDIRECT MAINS FED DOMESTIC HOT WATER
These appliances are for use with :
Natural Gas or L.P.G.
(Cat. II 2H 3P type C13, C33 & C53)
Model
Natural Gas 27i System Compact
30i System Compact
L.P.G.
27i System Compact
30i System Compact
UK/IE
GC Number
41-406-13
41-406-15
41-406-14
41-406-16
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Table of Contents
Related Manuals for Bosch Worcester Greenstar 27i System Compact
Summary of Contents for Bosch Worcester Greenstar 27i System Compact
- Page 1 USER INSTRUCTIONS WALL HUNG RSF GAS FIRED CONDENSING SYSTEM BOILER Greenstar i System Compact FOR CENTRAL HEATING SYSTEMS AND INDIRECT MAINS FED DOMESTIC HOT WATER 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 27i System Compact...
- Page 2 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.
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Page 3: Table Of Contents
CONTENTS CONTENTS Symbols and safety precautions ........4 Explanation of symbols . -
Page 4: Symbols And Safety Precautions
SYMBOLS AND SAFETY PRECAUTIONS SYMBOLS AND SAFETY PRECAUTIONS 1.1 EXPLANATION OF SYMBOLS WARNING SYMBOLS Safety instructions in this document are framed and identified by a warning triangle which is printed on a grey background. Signal words indicate the seriousness of the hazard in terms of the consequences of not following the safety instructions. •... -
Page 5: Safety Precautions
• 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. Greenstar i System Compact – 6 720 807 727 (2013/05) -
Page 6: General Information
GENERAL INFORMATION GENERAL INFORMATION SERVICING 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. •... -
Page 7: Controls
CONTROLS CONTROLS ▶ To gain access to the boiler controls pull the flap down using the curved flap handle. 12 13 Fig. 1 Basic boiler controls 1 Service menu/back button Scroll down button 2 Service engineer symbol = boiler is set to maximum 10 The blue light is ON when the boiler is in an Boiler or minimum output for service... - Page 8 The example shown is H13 Service interval °F reached, the boiler requires servicing. Call your installer or Worcester Bosch Group to H 13 organise a service visit. Greenstar i System Compact – 6 720 807 727 (2013/05)
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Page 9: Operating The Boiler
CONTROLS 3.1 OPERATING THE BOILER 3.1.1 BOILER DISPLAY This is typical of the display when the boiler is not supplying a heat demand. The display will not be backlit and the internal temperature of the boiler is indicated. °C reset °F °C °F... -
Page 10: Boiler Flow Function
CONTROLS 3.1.3 BOILER FLOW FUNCTION If a heat demand occurs, the radiator and flame symbols will be displayed If the domestic hot water control is adjusted or the “eco” button is pressed: ▶ N/A is displayed briefly. ▶ If the optional integral diverter valve is fitted, PreHeat or Eco will be displayed. °C reset °F... -
Page 11: Domestic Hot Water Pre-Heat
CONTROLS 3.1.5 DOMESTIC HOT WATER PRE-HEAT ▶ The hot water cylinder (when selected by the timer) is heated more regularly to reduce the time taken to deliver hot water. Pre-heat is enabled by default, during the initial boiler start up and the text “PreHeat” will be displayed to confirm this state. ▶... -
Page 12: Boiler Alert State
≈ ≈ °F Reset 6720643358-09.1Wo Fig. 8 Reset If the fault remains and cannot be cleared by pressing the reset button, contact Worcester, Bosch Group for assistance on 0844 892 3000. Greenstar i System Compact – 6 720 807 727 (2013/05) -
Page 13: Turning The Central Heating Off During The Summer
CONTROLS 3.1.9 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. 3.1.10 BOILER FROST PROTECTION NOTICE: The boiler must be switched on with a gas supply in order for the built -in auto frost protection to work as described. -
Page 14: System Pressure
SYSTEM PRESSURE SYSTEM PRESSURE 4.1 SEALED HEATING SYSTEMS This boiler is fitted to a sealed heating system which is pre-pressurised. Your installer will advise you of the minimum and maximum pressure indicated on the pressure gauge. ▶ Check regularly that the pressure is maintained. 1.5 bar 1 bar Fig. -
Page 15: External Filling Loop
SYSTEM PRESSURE 4.2 EXTERNAL FILLING LOOP NOTICE: External filling loops ▶ If the filling loop does not look like the one shown in the figure below or you cannot find your filling loop, contact your installer. Once the external filling loop has been located, follow the instructions for re-pressurising the system. 1. -
Page 16: Service Clearances
2 year guarantee period. If you would like to know more about a Worcester, Bosch Group service contract, please tick the appropriate box on your guarantee registration card. -
Page 17: Fault Finding
In the event that the boiler stops functioning or does not perform as expected, you can carry out a few simple checks. These checks are some of the most common causes and are listed in the table below. Should the problem persist or other alert codes are displayed, then it will be necessary to contact the Worcester, Bosch Group. Problem... -
Page 18: Extreme Cold Weather
Due to the internal safety systems of your Greenstar iSystem Compact boiler, some codes cannot be cleared by a simple reset. Please contact Worcester, Bosch Group for further assistance. When calling Worcester, Bosch Group about a fault it may be useful to quote the alert code and three digit number under the alert code, e.g. EA and 227. -
Page 19: Fault Or Breakdown
In the case of a suspected fault, refer to the fault finding section of this guide. In the event of a boiler fault or breakdown please contact Worcester, Bosch Group appointments team on 0844 892 3000. Your advisor will arrange for an engineer to call with the minimum of delay; under normal circumstances this will be from 1 - 3 working days (excluding weekends) for priority breakdown situations (no hot water and/or heating). -
Page 20: Tips On Energy Saving
TIPS ON ENERGY SAVING 10 TIPS ON ENERGY SAVING HEATING ECONOMICALLY The boiler provides a high level of comfort whilst keeping gas consumption and the environment effects as low as possible. The gas supply to the burner is controlled according to the level of demand for heat. The boiler operates with a low flame if the demand for heat reduces. -
Page 21: Your Guarantee
• The householder may be asked to prove the date of installation, that the boiler was correctly commissioned and, where appropriate, the first year's service has been carried out to the satisfaction of Bosch Thermotechnology Ltd., when requested. These should be documented as a part of the Benchmark Checklist. -
Page 22: Glossary
GLOSSARY 12 GLOSSARY Central heating systems All radiators must be heated at an even rate. If the top of a radiator is at a lower temperature than the bottom then it should be bled by releasing air through the bleed screw at the top of the radiator. Ask your installer to show you how this is done. - Page 23 NOTES Greenstar i System Compact – 6 720 807 727 (2013/05)
- Page 24 0844 892 9800 TRAINING: 01905 752526 SALES: 01905 752640 Worcester, Bosch Group Cotswold Way, Warndon, Worcester WR4 9SW. Tel. 0844 892 9900 Worcester, Bosch Group is a brand name of Bosch Thermotechnology Ltd. worcester-bosch.co.uk Document No. 6 720 807 727 (2013/05)