Worcester Greenstar 12Ri Technical Information
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Worcester Greenstar 12Ri Technical Information

Ri series, cdi classic regular series regular gas-fired condensing wall mounted boiler range
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See also: Instruction Manual , User Manual
Technical and Specification Information
Technical and Specification Information
Greenstar regular gas-fired condensing
wall mounted boiler range
Greenstar CDi Classic
Greenstar CDi Classic
Regular Series
Regular Series
Greenstar Ri Series
Greenstar Ri Series

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Summary of Contents for Worcester Greenstar 12Ri

  • Page 1 Technical and Specification Information Technical and Specification Information Greenstar CDi Classic Greenstar CDi Classic Regular Series Regular Series Greenstar Ri Series Greenstar Ri Series Greenstar regular gas-fired condensing wall mounted boiler range...
  • Page 2 Worcester and you. Making a difference. As part of the Bosch Group, Worcester supported by an experienced technical products are designed and manufactured to services team which is able to provide provide customers with the highest levels of comprehensive support and advice...

  • Page 3: Table Of Contents

    6 - 7 Inside story – Greenstar Ri Greenstar Ri regular technical data “At Worcester we recognise the vital role you Inside story – Greenstar CDi Classic Regular play in the specification and installation of Greenstar CDi Classic Regular technical data...

  • Page 4: The Greenstar Condensing Regular Boiler Range

    To all these major benefits you can add yet more: renowned The Greenstar condensing regular boilers have an annual Worcester quality and reliability; a range of outputs to efficiency (SEDBUK value) of over 90%, efficiently satisfy the heating demands of a range of households and producing heat for your heating and/or hot water system.
  • Page 5 The Greenstar regular range at a glance 30CDi Classic 40CDi Classic 12Ri 15Ri 18Ri 24Ri Regular Regular 7.7kW 9.4kW Output kW to central heating (CH) 12kW 15kW 18kW 24kW 30kW 40.8kW       Primary temperature control ...

  • Page 6: Features Of The Greenstar Condensing Regular Boiler Range

    *Sealed systems require additional external components: expansion vessel and PRV (not supplied by Worcester)
  • Page 7 10. Holiday mode button End user comfort and convenience features • (Greenstar CDi Classic Regular only) 10 year guarantee on Worcester primary heat exchanger** • Boiler protection plans available for both new and out of System controls warranty Worcester boilers •...

  • Page 8: Inside Story - Greenstar Ri

    Inside story – Greenstar Ri condensing regular boiler series Removable top case for cleaning heat exchanger Air/gas manifold Silicon tube (use to vent air from heat exchanger) Fan pressure Over-heat thermostat test point Sensor boiler flow Manual vent point WB3 heat exchanger Air/gas adjustment screw Gas valve...

  • Page 9: Greenstar Ri Regular Technical Data

    Technical data Model Greenstar 12Ri Greenstar 15Ri Greenstar 18Ri Greenstar 24Ri Height (mm) Width (mm) Depth (mm) Weight – dry (kg) 22.6 22.6 22.6 22.6 2005 SEDBUK value – natural gas 90.1% / A rated 90.1% / A rated 90.1% / A rated 90.2% / A rated...

  • Page 10: Inside Story - Greenstar Cdi Classic Regular

    Inside story – Greenstar CDi Classic Regular condensing boiler series Down firing Auto air vent low NOx burner Aluminium/ silicon WB5 heat exchanger Pre-mix fan Air/gas adjustment screw Condensate syphon Gas valve Drain point Central heating On/off Digital display temperature control button...

  • Page 11: Greenstar Cdi Classic Regular Technical Data

    Technical data Model Greenstar 30CDi Classic Regular Greenstar 40CDi Classic Regular Height (mm) 760 (max) 760 (max) Width (mm) 360 (max) 360 (max) Depth (mm) 39.5 39.5 Weight – dry (kg) 2005 SEDBUK value – natural gas 90.3% / A rated 90.2% / A rated 2005 SEDBUK value –...

  • Page 12: Site Preparations And Guidance

    Site preparations and guidance The Greenstar regular boilers are designed for connection Clearances to a traditional heating and hot water system. The major The minimum clearances shown below should be allowed benefits are: for installation and servicing. Compartment ventilation • The boiler is compatible with S and Y plan systems would be required at these clearances.
  • Page 13 Compartment installation Wall preparation The appliance may be installed in any room, although The following diagrams show the wall mounting jigs which particular attention is drawn to the requirements of the enable a simple and straightforward method of attaching IEE regulations applicable and in Scotland the electrical the boiler to the wall surface.
  • Page 14 Pipework connections and casing dimensions (When fitted to wall frame) Depth to wall Greenstar Ri Greenstar Ri Greenstar CDi Classic Regular Cabinet dimensions (mm) Pipework connections Greenstar Ri CH flow 22mm CH return 22mm Gas inlet 22mm Greenstar CDi Classic Regular Greenstar CDi Classic Regular 750* *760mm to top of casing front.
  • Page 15 Boiler location & clearances Bathrooms IMPORTANT: Any switch or appliance control using mains electricity must A boiler with a mechanical timer or RF mechanical timer not be within reach of a person using the bath or shower. with a room thermostat must only installed outside the Electrical switches, fused spurs and socket outlets must shaded area.

  • Page 16: Condensate Pipework

    Condensate pipework Internal Options Important points to consider when siting a condensate drainage pipe: • Where a new or replacement boiler is being installed, access to an internal “gravity discharge” point should Soil Siphon be one of the factors considered in determining &...
  • Page 17 Fig. 5 External disposal 100mm on these pages and in the Installation, Commissioning 400mm dia. min. For full technical information on pipe size, insulation Drainage and Servicing Instruction Manual, the new Worcester plastic min. Condensate holes pipe and different condensate pipework methods please...

  • Page 18: The Worcester Condensesure Auxiliary Siphon

    Although developed specifically for Worcester Greenstar frequency of discharge it is unlikely that the condensate gas- and oil-fired boilers, the Worcester CondenseSure pipework is ever empty of condensate, consequently has the added advantage of being able to be fitted to...
  • Page 19 Ease of installation Fitting to a regular boiler The CondenseSure has been designed for ease of installation in mind and is suitable for most boiler applications. For maximum effectiveness it should be installed immediately beneath the boiler where it is clipped on to the boiler’s heating flow pipe and connected to its siphonic trap.

  • Page 20: Installation Requirements

    Installation requirements Installation of the Greenstar regular boiler range must The following is a list of major items which must be fitted be in accordance with the relevant requirements of the to the system: Gas Safety (Installation Use) Regulations (as amended), 1.
  • Page 21 (mm) – – – IV HC IV discharge rate m 18.0 12.0 *Greenstar 12Ri and 15Ri series only. Approximate additional length to be allowed (natural gas) Elbows or tees 90º bends Metres Feet Metres Feet S plan F & EC...
  • Page 22 LPG version. The appliance when on a hot water or Guarantee full output demand will require up to 2.4kg/h (30kW) or Worcester Greenstar regular appliances are offered with 3.3kg/h (40kW) of gas. a full 2 year guarantee* on parts and labour, a 10 year...

  • Page 23: The Worcester Greenstar System Filter

    The Worcester Greenstar System Filter Modern condensing boilers are precision engineered and designed to run with a clean water heating system. Over time, dirty system water will damage a boiler and its components, causing failures and shortening the life of the overall system.

  • Page 24: Horizontal And Vertical Flue Terminal Positioning

    Horizontal and vertical flue terminal positioning All measurements in millimetres 1,500 1,500 1,200 Boundary Line Note Key to illustration • All measurements are the minimum clearances required 300mm adjacent to a boundary line. • Terminals must be positioned so to avoid combustion products The dimension below eaves, balconies and car ports can be entering the building reduced to 25mm, as long as the flue terminal is extended to...
  • Page 25 52mm 104mm 300 300 300 300 300mm above, below and either side of an opening door, 17. Flue clearance must be at least 300mm from the ground. air vent or opening window. Terminal guards must be fitted if the flue is less than 2 metres 10.

  • Page 26: Greenstar Regular Boiler Range Horizontal Fluing Options

    Greenstar regular boiler range horizontal fluing options Accessories The Greenstar regular boiler range have the choice of 2 differently sized horizontal RSF flue systems, a 100mm Components Part no. Description diameter telescopic flue kit including a plume management kit and a 125mm diameter telescopic flue kit. Both systems 100mm dia.
  • Page 27 Option 1 Option 3 Standard horizontal flue assembly Extension flue horizontal using a second 90º bend Components required Maximum Components required Maximum length (mm) length (mm) Greenstar Ri series Greenstar Ri series 100mm 570 100mm 2,600 up to 3 125mm 600 125mm 11,000 up to 10 Greenstar 30CDi Classic Regular...
  • Page 28 Option 5 Option 6 Extension flue upwards and horizontal Extension flue upwards and horizontal using a second 90º bend using a third 90º bend Components required Maximum length (mm) Components required Maximum Greenstar Ri series length (mm) 100mm 2,600 up to 3 Greenstar Ri series 125mm 11,000 up to 11...

  • Page 29: Greenstar Regular Boiler Range Vertical Fluing Options

    Greenstar regular boiler range vertical fluing options The Greenstar regular boiler range have the choice of Accessories 2 differently sized vertical RSF flue systems, 100mm and Components Part no. Description 125mm. Both systems have different maximum lengths. Options 1 to 4 detail the permissible lengths. 7 719 002 430 100mm dia.
  • Page 30 Option 4 Option 2 Vertical balanced flue system maximum height Vertical balanced flue system with two 90º bends 500mm 500mm Flat roof 300mm 500mm Flat roof 100mm dia. 1,090mm 300mm 125mm dia. 1,365mm Flat roof 300mm 100mm dia. 1,090mm 125mm dia. 1,365mm Components required Components required Maximum...
  • Page 31 Plume management terminal positioning All measurements in millimetres Flue terminal guard 7 716 191 176 ±45° Plume re-direction: 180° Flue exhaust outlet 1,500 Air intake ±80° 1,200 Boundary line Note Using a Plume Management kit the air intake measurement can •...

  • Page 32: Plume Management System Options

    Greenstar regular boiler range plume management system options Plume management system Standard plume management system 60mm dia. plume management kit The flue terminal outlet has built-in stops to limit rotation Comprises: for horizontal fluing to allow condensate to run back into 1 x terminal bend the boiler for safe disposal.
  • Page 33 Greenstar Ri regular boilers are able to use the maximum Condensfit II telescopic flue and plume management system measuring 100mm dia. internal flue length of 4,600mm regardless of the amount of plume management selected. Fig A External plume management bends still need to be allowed for.
  • Page 34 Option 3 Option 1 Plume management system with extensions and 45º bend Plume management system Components required Minimum length (mm) Greenstar Ri series 60mm Components required Greenstar CDi Classic Regular series Maximum length (mm) 60mm 500* Greenstar Ri series 60mm 3,750 up to 4 Option 2...
  • Page 35 Option 5 Plume management system with extensions and 45º bends Components required Maximum length (mm) Greenstar Ri series 60mm 3,000 up to 3 Greenstar CDi Classic Regular series 60mm 3,000* up to 3 *NOTE: You must refer to the table and graph on page 33 to calculate your horizontal flue lengths and plume management length.

  • Page 36: Greenstar Regular Boiler Range Accessories

    Standard telescopic Vertical BF kit (100mm dia.) (100mm dia.) horizontal flue kit (100mm dia.) (125mm dia.) Worcester Part No. Worcester Part No. Worcester Part No. Worcester Part No. 7 716 191 082 7 716 191 171 7 719 003 702...
  • Page 37 Support bracket kit Support bracket kit Below boiler pipe cover (100mm dia.) 6 pack (100mm dia.) (125mm dia.) Worcester Part No. Worcester Part No. Worcester Part No. Worcester Part No. 7 716 191 092 7 716 191 173 7 716 191 174...

  • Page 38: Greenfloor Heating

    As there are no radiators to take up space, Worcester water heat pumps Greenfloor systems also provide maximum flexibility within the property. They can also be used with a wide range of All Greenfloor systems are supplied complete with all floor coverings, including parquet, carpeting, marble or tiles.

  • Page 39: Worcester Training

    Wrexham Worcester Cambridge College-linked Learning Tredegar As well as offering training at our own centres, Worcester West Thurrock has established close partnerships with many colleges Wiltshire around the UK, equipping them with our latest products. Call us on 01905 752526 to find out when we will be Camborne running the course of your choice at a college in your area.
  • Page 40   College Links*      Mobile* *Please contact Worcester Training for specific colleges and mobiles dates To complement the above courses, Worcester also runs domestic ACS, unvented, underfloor, water treatment and IDHEE domestic heating design courses.
  • Page 41 Call us offering more choice to your customers. Worcester on 01905 752526 to order a full course training brochure provides comprehensive training from all its academies or to book yourself onto a training course, alternatively, on its entire range of technologies.

  • Page 42: After-Sales

    A complete after-sales service All the technical advice As part of the worldwide Bosch Group, Worcester strives to you need maintain the highest possible standards of after-sales care. In addition to the no-nonsense parts and labour Spares Genuine replacement parts for all supported Worcester...
  • Page 43 Notes...

  • Page 44: Customer Service

    In partnership with Worcester, Bosch Group is a brand name of Bosch Thermotechnology Ltd. This leaflet is accurate at the date of printing, but may be superseded and should be disregarded if specification and/or appearances are changed in the interest of continued improvement. The statutory rights of the consumer are not affected.

This manual is also suitable for:

Greenstar 15riGreenstar 18riGreenstar 30cdi classic regularGreenstar 40cdi classic regularGreenstar 24ri

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