Worcester Greenstar Si Compact Series User Instructions
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Worcester Greenstar Si Compact Series User Instructions

Wall hung rsf gas fired condensing combination boiler
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USER INSTRUCTIONS
WALL HUNG RSF GAS FIRED CONDENSING COMBINATION BOILER
Greenstar Si Compact
FOR SEALED CENTRAL HEATING SYSTEMS AND 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 25Si Compact 47-406-50
30Si Compact 47-406-52
L.P.G.
25Si Compact 47-406-51
30Si Compact 47-406-53
UK/IE
GC Number

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  • Page 1 USER INSTRUCTIONS WALL HUNG RSF GAS FIRED CONDENSING COMBINATION BOILER Greenstar Si Compact FOR SEALED CENTRAL HEATING SYSTEMS AND 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 25Si Compact 47-406-50...
  • Page 2 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.

  • 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. CLEANING THE BOILER CASE: Use a damp, soft cloth to clean the outer painted metal case of the boiler, do not use chemicals or abrasive materials.

  • Page 6: General Information

    Benchmark Checklist and service interval record can be found at the rear of the Installation, Commissioning and Servicing Instructions. • The boiler must be serviced regularly by a competent, qualified person, such as a Worcester service engineer or other Gas Safe registered engineer.

  • Page 7: Controls

    5 Boiler display 12 Hot water temperature control 6 Central heating temperature control 13 Diagnostic port (for Worcester service engineer use only) 7 Scroll up button 8 OK - Select/confirmation button 14 Central heating system pressure gauge Greenstar Si Compact– 6 720 807 278 (2013/05)
  • Page 8 °C The example shown is H13 Service interval reached, the boiler requires servicing. °F Call your installer or Worcester Bosch Group to H 13 organise a service visit. Greenstar Si Compact – 6 720 807 278 (2013/05)

  • Page 9: Operating The Boiler In Standby

    CONTROLS 3.1 OPERATING THE BOILER IN STANDBY 3.1.1 BOILER DISPLAY This is typical of the display when the boiler is not supplying a central heating or hot water demand. The display will not be backlit and the internal temperature of the boiler is indicated. When a heat demand occurs and the boiler fires up, the flame symbol will be displayed.

  • Page 10: Turning The Central Heating Off During The Summer

    CONTROLS 3.1.4 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. 3.1.5 SETTING THE TEMPERATURE FOR DOMESTIC HOT WATER 1. Turn the hot water temperature control knob to the desired level between 40 and 60°C, this will be shown on the digital display. 2.

  • Page 11: Domestic Hot Water Eco Mode

    CONTROLS 3.1.7 DOMESTIC HOT WATER ECO MODE Eco mode is an energy saving feature which disables the Pre-heat function: By selecting Eco mode you will be using less energy, but will have to wait a little longer for hot water. 1.

  • Page 12: Boiler Alert State

    °F Reset 6720643358-09.2Wo If the fault remains and cannot be cleared by pressing the reset button, contact Worcester, Bosch Group for assistance on 0844 892 3000. 3.1.11 TURN OFF THE OPERATION/FAULT DIAGNOSTIC LIGHT (BLUE) Your new Greenstar boiler is designed to use as little electricity as possible during operation and in stand-by mode. To further enhance your energy saving during stand-by, you may choose to deactivate the operation/fault diagnostic light.

  • Page 13: 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. ▶...

  • Page 14: Optional Integral Keyless Filling Link

    SYSTEM PRESSURE 4.3 OPTIONAL INTEGRAL KEYLESS FILLING LINK Locate filling link and follow instructions for re-pressurising. 1. If the needle on the appliance pressure gauge reads less than 1 bar, re-charge the system. 2. Pull the blue lever down to start the filling process. 3.

  • Page 15: Optional Integral Keyed Filling Link

    SYSTEM PRESSURE 4.4 OPTIONAL INTEGRAL KEYED FILLING LINK Locate filling key and follow instructions for re-pressurising. 1. Push the filling key firmly into the body of the filling link, ensuring the arrow on the key shaft lines up with the open padlock symbol.

  • Page 16: External Filling Link

    SYSTEM PRESSURE 4.5 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. ▶ To comply with Water Authority regulations you must disconnect the external filling loop after re-pressurisation. Once the external filling loop has been located, follow the instructions for re-pressurising the system.

  • Page 17: Service Clearances

    If your Greenstar gas-fired boiler should fail to operate correctly or requires servicing, please contact the Worcester, Bosch Group Appointments Team (see rear cover for details).

  • Page 18: 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 if other alert codes are displayed, then it will be necessary to contact the Worcester, Bosch Group. Problem...

  • Page 19: Extreme Cold Weather

    Worcester, Bosch Group for further assistance. When calling Worcester, Bosch Group about a fault, it will be useful to quote the alert code and three digit number under the alert code, e.g. EA and 227. If there is a fault that cannot be reset by you, the user, then a service engineer visit will be necessary.

  • Page 20: 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 and bank holidays) for priority breakdown situations (no hot water and/or heating).

  • Page 21: Tips On Energy Saving

    TIPS ON ENERGY SAVING TIPS ON ENERGY SAVING HEATING ECONOMICALLY The boiler provides a high level of comfort whilst keeping gas consumption low and so minimising the environmental impact. The gas supply to the boiler‘s burner is regulated according to the demand for heat. The boiler operates with a low flame if the demand for heat reduces.

  • Page 22: Environment / Disposal

    Your Greenstar boiler carries a two year guarantee against faulty material or manufacturer subject to Terms and Conditions. To read the full Terms & Conditions please visit us on-line at www.worcester-bosch.co.uk/guarantee. The Guarantee Registration form is available on this same page and can be completed and submitted electronically.

  • Page 23: 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 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. 6 720 807 278 (2013/05)

This manual is also suitable for:

Greenstar 25si compactGreenstar 30si compact47-406-5047-406-5247-406-5147-406-53

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