Greenstar regular and system

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1 Technical and Specification Information Greenstar Danesmoor regular series Greenstar Danesmoor System series Greenstar Danesmoor wall-mounted regular series Greenstar Danesmoor Utility series Greenstar regular and system oil-fired condensing boiler range NEW 1

2 Worcester and you. Making a difference. As part of the Bosch Group, Worcester products are designed and manufactured to provide customers with the highest levels of quality and reliability which are synonymous with the Bosch name. Worcester is a part of Europe s largest supplier of heating products and with our UK-based resources as well as the Bosch Group's global infrastructure, we can offer you the value-added solutions you deserve. Worcester employs a nationwide network of Service Engineers and technically trained Field Sales Managers, supported by an experienced technical services team which is able to provide comprehensive support and advice from designing system layouts through to installation. Worcester is dedicated to providing high performance, energy efficient heating and hot water systems for a wide range of installations. Our oil manufacturing heritage stretches back to the foundation of the company in 1962 and during this period we have built a reputation for manufacturing products which offer the end user the highest levels of quality and reliability. 2

3 The reception and main entrance at our Worcester headquarters At Worcester we recognise the vital role you play in the specification and installation of energy efficient appliances in homes across the UK. We will continue to invest in our products, people, facilities and added value services to ensure you have all you require in order to deliver only the best solutions to your customers requirements. Carl Arntzen, Managing Director, Bosch Thermotechnology Ltd. Contents Page The Greenstar regular and system boiler range 4-5 Key features of the range 6-9 Inside story Site preparations and guidance Installation requirements The Worcester Greenstar System Filter 37 Condensate pipework The Worcester CondenseSure auxiliary siphon Horizontal and vertical flue terminal positioning Horizontal fluing options (internal models) Vertical fluing options (internal models) Greenstar Danesmoor wall mounted internal boiler range horizontal fluing options Greenstar Danesmoor wall mounted internal boiler range vertical fluing options Fluing options (external models) 52 Plume management positioning and system options Conventional flue 56 Oilfit flexible flue liner Accessories Worcester training After-sales 66 3

4 The Greenstar regular and system oil-fired condensing boiler range The Greenstar Danesmoor regular and Danesmoor System series are part of a market-leading range of high efficiency boilers which is good news for the environment and excellent news for specifiers, installers and consumers. They are ideal for customers who are looking to minimise fuel consumption, without sacrificing heating and hot water performance. Greenstar oil-fired regular and system boilers offer outputs between 12 to 70kW and are specifically designed for use with either a vented or sealed system. The range includes floor standing internal and external models and a wall mounted internal appliance (WM). They are ideally suited to our range of Greenstore hot water cylinders which allow your customers to benefit from mains pressure hot water, rapid re-heat times and excellent heat retention. Every appliance is operationally tested before it leaves the factory as part of Worcester s rigorous quality control procedure. When you install a Worcester oil-fired boiler, you can rest assured that your customer is receiving the best quality components and highest levels of workmanship. Highly efficient condensing technology The secondary heat exchanger of the Greenstar range extracts more energy from the oil and, when compared with a non-condensing boiler, can cut heating and hot water bills by over 400 a year. All Greenstar condensing boilers are able to deliver this energy-saving performance by extracting additional latent heat from the exhaust gases a highly efficient use of energy which significantly reduces carbon dioxide emissions into the atmosphere. Greenstar Danesmoor regular and Danesmoor System condensing boilers have a seasonal efficiency of over 90% (SEDBUK 2009 value), efficiently producing heat for both your customers' heating and hot water demands. This is in comparison to standard efficiency boilers which achieve around 78% efficiency, highlighting how a Greenstar boiler can reduce heating and hot water bills. 4 Source: Energy Saving Trust: Based on replacing a G-rated oil-fired boiler with an A-rated oil-fired condensing boiler and a full set of controls in a typical 3 bedroom semi-detached home with an average oil price of 6.02p/kWh.

5 Greenstar Danesmoor regular model. Kitchen courtesy of Alno Kitchens. The Greenstar regular and system oil-fired range at a glance Greenstar model 12/18 models 18/25 models 25/32 models Danesmoor regular NEW Danesmoor regular Utility NEW Danesmoor System NEW Danesmoor System Utility NEW SEDBUK % 93.0% 92.8% Dimensions (h x w x d) All Kitchen/Utility models 855x370x600mm 855x370x600mm 855x370x600mm Output kw to central heating (CH) Min 12kW 18kW 25kW Max 18kW 25kW 32kW Conventional CF or RS room-sealed from one appliance Greenstar model 12/18 External models 18/25 External models 25/32 External models Danesmoor regular External NEW Danesmoor System External NEW SEDBUK % 93.0% 92.8% Dimensions (h x w x d) 950x565x780mm 950x565x780mm 950x565x780mm Output kw to central heating (CH) Min 12kW 18kW 25kW Max 18kW 25kW 32kW Balanced flue Greenstar model Utility regular 32/50 Utility regular 50/70 Danesmoor WM 12/18 Danesmoor WM 18/25 Part No SEDBUK % 92.5% 92.6% 92.8% Model Utility regular Utility regular Wall mount regular Wall mount regular Dimensions (h x w x d) 1012x520x815mm 1012x520x815mm 880x600x410mm 880x600x410mm Output kw to central heating (CH) Min 32kW 50kW 12kW 18kW Max 50kW 70kW 18kW 25kW Conventional CF or RS room-sealed from one appliance RS only RS only 5

6 Key features of the range On the secondary heat exchanger*. Greenstar Danesmoor regular and NEW Danesmoor System internal boiler ranges Greenstar internal models are ideally suited for installation in a kitchen or a utility room. Greenstar internal regular and system boilers feature: The same footprint as previous models, creating less disturbance for replacement installations An annual efficiency of over 90% (SEDBUK 2009 value), ensuring optimum efficiency A 5mm steel inner primary heat exchanger surface as well as a 3mm outer, increasing efficiency and reliability Years of Worcester innovation have developed the optimum match between the burner and the boiler, ensuring maximum efficiency and an exceptionally clean and quiet operation A full 2 year guarantee, as well as a 5 year* guarantee on the primary heat exchanger and a 10 year* guarantee on the secondary heat exchanger. Greenstar Danesmoor regular and NEW Danesmoor System External boiler ranges Where space in the home is at a premium, a Greenstar External boiler is the ideal solution. Special features of our Greenstar Danesmoor internal and external models Worcester's return to the Danesmoor heritage has brought a new range of regular boilers that deliver the following installer-focused features. Cross-firing burner with easy access to principle components enabling annual service from the front of the boiler Easy to remove one-piece primary baffles made from special high temperature resistant stainless steel Optimised hydraulic connections based on installer feedback all connections fit on the inside of the boiler, providing a flush finish to the exterior. A blanking plug is provided for the flow tapping with the regular appliances An annual efficiency of over 90% (SEDBUK 2009 value), ensuring optimum efficiency Rigid cabinet with a cross brace that provides a convenient tray for nuts and bolts The new Greenstar Danesmoor boilers are up to 17kg lighter than the previous Greenstar Camray. Whilst offering many of the features of the internal models, Greenstar External models also feature: A robust, durable external cabinet that blends in with the garden and protects the appliance from the elements IP45 Ingress Protection protecting the boiler from water, dust and the environment A built-in frost thermostat which protects the appliance from freezing Balanced flue system ensures that the flame is maintained even in exposed environments. 6 *Terms and conditions apply.

7 Operation Greenstar Danesmoor System boilers are supplied ready for use with sealed primary water systems, and can be installed with the Worcester Greenstore range of twin and single coil unvented cylinders. Greenstar Danesmoor regular boilers are suitable for open vented systems, requiring a minimum head of 1m. They too can be installed with our Worcester Greenstore unvented cylinders. All models operate on 28 sec kerosene oil and feature a Riello burner. Fluing Floor standing indoor appliances can be used with either a room-sealed concentric flue or conventional (open) flue. A flexi-flue liner kit is available to enable the appliance to be flued via a chimney. The room-sealed flue ensures extremely quiet operation. The Greenstar Danesmoor WM is only for use with room-sealed flues. The external appliances utilise a balanced flue system in order to minimise the risk of lockouts caused by strong winds. A plume management kit is available for both internal and external boilers. Greenstar Danesmoor regular Utility Applications The outputs offered within the range makes our Greenstar oil-fired boilers suitable for a wide range of domestic properties, as well as providing installation flexibility. All models are solar compatible and are ideally matched to our range of Greenskies solar thermal panels and Greenstore TC twin coil cylinders. Greenstar Oilfit the easy-fit fluing solution Multiple fluing options with the ability to flue internal floor standing boilers from the top, rear or side and external boilers from the rear and side Conventional flue via the adaptor kit or flexi-flue chimney liner kit Room-sealed flue lengths up to 8m vertically and 6m horizontally Quick-to-install push-fit connections and telescopic options which form a gas-tight seal and in most cases eliminate the need to cut the flue Easy-fit installation that requires no special tools when fitting flue extensions, elbows and adaptors. Greenstar Danesmoor regular External Greenskies Solar-Lux, Solar-Lifestyle, Solar-Lito, Solar-Lito Mini and Greenstore TC series 7

8 Why choose Worcester oil? Given the competitive nature of the heating industry, Worcester know that installers have an important decision to make when it comes to selecting the best product for their customers. Many installers are loyal to the Worcester brand and recognise the importance of the technical support and training Worcester offers. By appointment to Her Majesty The Queen Boiler Manufacturer Worcester, Bosch Group T/A Bosch Thermotechnology Ltd. At Worcester, we pride ourselves on the hard work that goes on behind the scenes to make sure you and your customers benefit from much more than the best in high-efficiency boilers and renewable technologies. For example, within the product reliability department, every Worcester Greenstar oil-fired boiler is tested. The testing procedure certifies that every boiler has been put through its paces in the most extreme of conditions to ensure they are robust enough to stand up to the highest of demands and toughest of environments. We collect information on each individual component when we field trial our appliances, whilst also systematically noting any feedback from the service engineer who worked on the boilers. This information, along with responses from installers, is constantly processed to ensure all technical observations can be acted upon as a matter of urgency. It is this commitment that ultimately ensures that Worcester products remain the best they can be. Andy Rose, ACR Heating Services 9 out of 10 professional installers would choose Worcester for their own home * Did you know? For testing purposes Worcester has its own formula to replicate contaminated heating system water. This mix contains iron dust, quartz sand, hemp fibre and other impurities which are commonly found in system water samples. Test boilers are positioned on a shaker table for 3 hours before being set to vibrate across a range of frequencies to simulate 3,000 miles of worldwide transport. Parts in the hydraulic circuit complete 300,000 water pressure cycles to ensure optimum performance is achieved. With over 100 people in the quality control team on-site, Worcester has more quality control engineers than salesmen. As part of the global Bosch Group, Worcester has access to world leading resources, including a corporate research department and access to the very latest manufacturing and product development processes. Each new Worcester appliance design is field trialled for at least 1 winter period. To benefit from winter conditions all year round, outside of the British winter, products are tested overseas. We have received a Royal Warrant in recognition of supplying goods to Her Majesty, the Queen, an honour we have held since Every boiler receives an end of line full functional test before it leaves the factory. 8 *Source: Worcester Customer Satisfaction Index 2011

9 Designed with installation and servicing in mind In addition to our own extensive testing and research, we also listen and respond to installers as part of our product development programme. Simple servicing The new Greenstar Danesmoor range has increased serviceability at its heart. As a result of such feedback, we have brought about the following distinct features that benefit the installer. Easy installation The first thing that you will notice is that the new Greenstar Danesmoor models are between 13 and 17kg lighter than the previous Greenstar Camray. Based on installer feedback, the Greenstar Danesmoor has been created to make servicing as simple and quick as possible, with the new layout enabling an annual service to take place completely from the front of the boiler. Greenstar Danesmoor regular The hydraulic connections have been optimised based on the feedback received from our customers during the development process. This new plumbing arrangement allows the installer to make all the connections within the cabinet at the back of the boiler, saving time and hassle. Cleaning the primary heat exchanger is now made easy due to the one piece primary baffles which can be quickly removed for cleaning via the combustion chamber door. The baffles have been made from a specially selected grade of temperature-resistant stainless steel. Testing has shown that the baffle design should not stick allowing hassle-free removal. Further improvements include an oil line which is run through the cabinet, as well as an oil isolation valve which mounts on an easy-to-access bracket on the right hand side of the primary heat exchanger. There is also space on the bracket for the installation of a second oil isolation valve if you are utilizing a twin pipe system. Finally, the new Greenstar Danesmoor boilers retain the internal condensate trap from the previous models, which utilises a simple condensate pipe connection. The height of the trap removes the need for a condensate pump in most instances. The secondary heat exchanger baffles continue to use the folded mesh design that has been a marked success in previous Greenstar oil-fired boilers. 9

10 Inside story Greenstar Danesmoor regular condensing boiler NEW Flow 1" BSP Return 22mm (12/18, 18/25) 28mm (25/32) Flue gas analyser test point Flue connection Secondary heat exchanger Demand indicator Temperature control Lock-out indicator Optional digital plug-in programmer Flue overheat reset button Burner lead Boiler overheat reset button Flue gas analyser test point (behind control box) Flue manifold and secondary heat exchanger access door Primary heat exchanger access door Internal condensate trap Primary heat exchanger Oil supply isolating valve Burner 10

11 Technical data Boiler Greenstar Danesmoor regular 12/18 Greenstar Danesmoor regular 18/25 Greenstar Danesmoor regular 25/32 Height 855mm 855mm 855mm Width 370mm 370mm 370mm Depth 600mm 600mm 600mm Weight lift 86kg 89kg 93kg 2005 SEDBUK value 93.2% / A rated 93.0% / A rated 92.8% / A rated 2009 SEDBUK value 91.1% 90.9% 90.7% Solar compatible Heating flow / return connections 1 inch BSP, 22mm 1 inch BSP, 22mm 1 inch BSP, 28mm Condensate connection (polypropylene) 21.5mm 21.5mm 21.5mm Oil connection 10mm 10mm 10mm Primary water content 20 ltr 21 ltr 22 ltr Output to central heating 12-18kW 18-25kW 25-32kW Oil burner Riello RDB 2.2 Riello RDB 2.2 Riello RDB 2.2 Optional plug-in twin channel digital controls Maximum primary static head 30m 30m 30m Minimum primary static head 1m 1m 1m Water side resistance 20ºC 20mbar 30mbar 56mbar Exhaust flue gas mass flow 29kg/hr 40kg/hr 51kg/hr Control thermostat range 55/81ºC 55/81ºC 55/81ºC Power supply 230V, 50Hz 230V, 50Hz 230V, 50Hz Maximum power consumption 150W 150W 150W Flue reset overheat thermostat (cut out) 110ºC 110ºC 110ºC Boiler manual reset overheat thermostat (cut out) 105ºC 105ºC 105ºC Boiler high limit thermostat (cut out) 95ºC 95ºC 95ºC Minimum diameter flue (CF) 100mm 100mm 100mm Flue diameter (RS) 80/125mm 80/125mm 80/125mm Maximum horizontal flue RS 6,000mm 6,000mm 6,000mm Maximum vertical flue RS 8,000mm 8,000mm 8,000mm Maximum hearth temperature <100ºC <100ºC <100ºC 11

12 Inside story Greenstar Danesmoor regular Utility condensing boiler NEW Flow 1" BSP Return 22mm (12/18, 18/25) 28mm (25/32) Flue gas analyser test point Flue connection Secondary heat exchanger Temperature control Flue overheat reset button Boiler overheat reset button Flue manifold and secondary heat exchanger access door Burner lead Primary heat exchanger access door Internal condensate trap Primary heat exchanger Oil supply isolating valve Burner 12

13 Technical data Boiler Greenstar Danesmoor regular Utility 12/18 Greenstar Danesmoor regular Utility 18/25 Greenstar Danesmoor regular Utility 25/32 Height 855mm 855mm 855mm Width 370mm 370mm 370mm Depth 600mm 600mm 600mm Weight lift 86kg 89kg 93kg 2005 SEDBUK value 93.2% / A rated 93.0% / A rated 92.8% / A rated 2009 SEDBUK value 91.1% 90.9% 90.7% Solar compatible Heating flow / return connections 1 inch BSP, 22mm 1 inch BSP, 22mm 1 inch BSP, 28mm Condensate connection (polypropylene) 21.5mm 21.5mm 21.5mm Oil connection 10mm 10mm 10mm Primary water content 20 ltr 21 ltr 22 ltr Output to central heating 12-18kW 18-25kW 25-32kW Oil burner Riello RDB 2.2 Riello RDB 2.2 Riello RDB 2.2 Optional plug-in twin channel digital controls N/A N/A N/A Maximum primary static head 30m 30m 30m Minimum primary static head 1m 1m 1m Water side resistance 20ºC 20mbar 30mbar 56mbar Exhaust flue gas mass flow 29kg/hr 40kg/hr 51kg/hr Control thermostat range 55/81ºC 55/81ºC 55/81ºC Power supply 230V, 50Hz 230V, 50Hz 230V, 50Hz Maximum power consumption 150W 150W 150W Flue reset overheat thermostat (cut out) 110ºC 110ºC 110ºC Boiler manual reset overheat thermostat (cut out) 105ºC 105ºC 105ºC Boiler high limit thermostat (cut out) 95ºC 95ºC 95ºC Minimum diameter flue (CF) 100mm 100mm 100mm Flue diameter (RS) 80/125mm 80/125mm 80/125mm Maximum horizontal flue RS 6,000mm 6,000mm 6,000mm Maximum vertical flue RS 8,000mm 8,000mm 8,000mm Maximum hearth temperature <100ºC <100ºC <100ºC 13

14 Inside story Greenstar Danesmoor regular External condensing boiler NEW Flow 1" BSP Return 22mm (12/18, 18/25) 28mm (25/32) Flue gas analyser test point Flue connection Secondary heat exchanger Temperature control Flue overheat reset button Flue gas analyser test point Service mode switch Boiler overheat reset button Flue manifold and secondary heat exchanger access Burner lead Primary heat exchanger access door Internal condensate trap Primary heat exchanger Oil supply isolating valve Burner 14

15 Technical data Boiler Greenstar Danesmoor regular External 12/18 Greenstar Danesmoor regular External 18/25 Greenstar Danesmoor regular External 25/32 Height 950mm 950mm 950mm Width 565mm 565mm 565mm Depth 780mm 780mm 780mm Weight lift 99kg 102kg 106kg 2005 SEDBUK value 93.2% / A rated 93.0% / A rated 92.8% / A rated 2009 SEDBUK value 91.1% 90.9% 90.7% Solar compatible Heating flow / return connections 1 inch BSP, 22mm 1 inch BSP, 22mm 1 inch BSP, 28mm Condensate connection (polypropylene) 21.5mm 21.5mm 21.5mm Oil connection 10mm 10mm 10mm Primary water content 20 ltr 21 ltr 22 ltr Output to central heating 12-18kW 18-25kW 25-32kW Oil burner Riello RDB 1 Riello RDB 2.2 Riello RDB 2.2 Optional plug-in twin channel digital controls N/A N/A N/A Maximum primary static head 30m 30m 30m Minimum primary static head 1m 1m 1m Water side resistance 20ºC 20mbar 30mbar 56mbar Exhaust flue gas mass flow 29kg/hr 40kg/hr 51kg/hr Control thermostat range 55/81ºC 55/81ºC 55/81ºC Power supply 230V, 50Hz 230V, 50Hz 230V, 50Hz Maximum power consumption 150W 150W 150W Flue reset overheat thermostat (cut out) 110ºC 110ºC 110ºC Boiler manual reset overheat thermostat (cut out) 105ºC 105ºC 105ºC Boiler high limit thermostat (cut out) 95ºC 95ºC 95ºC Balanced flue kit Supplied in boiler case Supplied in boiler case Supplied in boiler case Flue diameter 80/125mm 80/125mm 80/125mm Maximum hearth temperature <100ºC <100ºC <100ºC Ingress protection rating IP45 IP45 IP45 15

16 Inside story Greenstar Danesmoor WM regular condensing boiler series Secondary heat exchanger Flue cowl Burner service hook Thermostat phial pockets Primary heat exchanger Push fit flow and return burner air duct pipework connections Condense trap Drip tray Riello RDB burner Optional digital plug-in programmer Temperature control Control panel 16

17 Technical data Boiler Greenstar Danesmoor WM 12/18 Greenstar Danesmoor WM 18/25 Height 880mm 880mm Width 600mm 600mm Depth 410mm 410mm Weight lift 72kg 72kg 2005 SEDBUK value 92.6% / A rated 92.8% / A rated 2009 SEDBUK value 90.7% 90.7% Solar compatible Heating flow / return connections 22mm copper 22mm copper Condensate connection (polypropylene) 21.5mm plastic pipe 21.5mm plastic pipe Oil connection 10mm 10mm Primary water content 23 ltr 23 ltr Output to central heating 12-18kW 18-25kW Oil burner Riello RDB 1 Riello RDB 2.2 Optional plug-in twin channel digital controls Maximum primary static head 30m 30m Minimum primary static head 1m 1m Water side resistance 20ºC 30mbar 69mbar Exhaust flue gas mass flow 29kg/hr 40kg/hr Control thermostat range 55/81ºC 55/81ºC Power supply 230V, 50Hz 230V, 50Hz Maximum power consumption 150W 160W Flue reset overheat thermostat (cut out) 110ºC 110ºC Boiler manual reset overheat thermostat (cut out) 105ºC 105ºC Boiler high limit thermostat (cut out) 95ºC 95ºC Minimum diameter flue (RS) 80/125mm 80/125mm Maximum horizontal flue RS (125mm dia.) 4,000mm 4,000mm Maximum vertical flue RS (125mm dia.) 6,000mm 6,000mm Ingress protection rating IP20 IP20 17

18 Inside story Greenstar Utility regular condensing boiler series Multi-directional flue outlet box (RS only) Air vent to secondary heat exchanger Return Flue gas analysis point Flue gas overheat thermostat Service access door to secondary heat exchanger Thermostat pocket Lock out reset button Burner combustion air hose (RS only) Flow Data label Burner control box Burner Burner lead Primary heat exchanger service access door Temperature control Overheat thermostat reset button Flue gas reset button Greenstar Utility regular fascia 18

19 Technical data Boiler Greenstar Utility regular 32/50 Greenstar Utility regular 50/70 Height 1,012mm 1,012mm Width 520mm 520mm Depth 815mm 815mm Weight lift 270kg 280kg 2005 SEDBUK value 93.0% / A rated 92.5% / A rated 2009 SEDBUK value 90.0% 90.5% Solar compatible Heating flow / return connections 1½ inch BSP/28mm 1½ inch BSP/28mm Condensate connection (polypropylene) 21.5mm plastic pipe 21.5mm plastic pipe Oil connection 10mm 10mm Primary water content 50 ltr 51 ltr Output to central heating 32-50kW 50-70kW Oil burner Riello RDB 3.2 Riello RDB 4.2 Open primary vent 1½ inch BSP 1½ inch BSP Primary cold feed 1½ inch BSP 1½ inch BSP Maximum primary static head 30m 30m Minimum primary static head 1m 1m Water side resistance 20ºC 26mbar 40mbar Exhaust flue gas mass flow 76kg/hr 106kg/hr Power supply 230V, 50Hz 230V, 50Hz Maximum power consumption 190W 220W Flue reset overheat thermostat (cut out) 120ºC 120ºC Boiler manual reset overheat thermostat (cut out) 110ºC 110ºC Boiler high limit thermostat (cut out) 100ºC 100ºC Minimum diameter flue (CF) 130mm 130mm Minimum diameter flue (RS) 100/150mm 100/150mm Maximum horizontal flue RS (150mm dia.) 3,000mm 3,000mm Maximum vertical flue RS (150mm dia.) 6,000mm 6,000mm Maximum hearth temperature <100ºC <100ºC Ingress protection rating IP20 IP20 19

20 Inside story Greenstar Danesmoor System condensing boiler series Pressure relief valve NEW Flue gas analyser test point Flue connection Flow 1" BSP Return 22mm (12/18, 18/25) 28mm (25/32) Secondary heat exchanger Pressure gauge Demand indicator Temperature control Optional digital plug-in programmer Lock-out indicator Flue gas analyser test point (behind control box) Flue overheat reset button (under control box) Boiler overheat reset button Internal condensate trap Primary heat exchanger access door Expansion vessel Circulating pump Expansion vessel bracket Burner 20

21 Technical data Boiler Greenstar Danesmoor System 12/18 Greenstar Danesmoor System 18/25 Greenstar Danesmoor System 25/32 Height 855mm 855mm 855mm Width 370mm 370mm 370mm Depth 600mm 600mm 600mm Weight lift 95kg 98kg 102kg 2005 SEDBUK value 93.2% / A rated 93.0% / A rated 92.8% / A rated 2009 SEDBUK value 91.1% 90.9% 90.7% Solar compatible Heating flow / return connections 22mm 22mm 28mm Condensate connection (polypropylene) 21.5mm 21.5mm 21.5mm Oil connection 10mm 10mm 10mm Primary water content 20 ltr 21 ltr 22 ltr Output to central heating 12-18kW 18-25kW 25-32kW Oil burner Riello RDB 2.2 Riello RDB 2.2 Riello RDB 2.2 Optional plug-in twin channel digital controls Water side resistance 20ºC 20mbar 30mbar 56mbar Available pump head 20ºC 5.2 mh 2 O 4.3 mh 2 O 4.1 mh 2 O Exhaust flue gas mass flow 29kg/hr 40kg/hr 51kg/hr Control thermostat range 55/81ºC 55/81ºC 55/81ºC Power supply 230V, 50Hz 230V, 50Hz 230V, 50Hz Maximum power consumption 208W 208W 208W Flue reset overheat thermostat (cut out) 110ºC 110ºC 110ºC Boiler manual reset overheat thermostat (cut out) 105ºC 105ºC 105ºC Boiler high limit thermostat (cut out) 95ºC 95ºC 95ºC Minimum diameter flue (CF) 100mm 100mm 100mm Flue diameter (RS) 80/125mm 80/125mm 80/125mm Maximum horizontal flue RS 6,000mm 6,000mm 6,000mm Maximum vertical flue RS 8,000mm 8,000mm 8,000mm Maximum hearth temperature <100ºC <100ºC <100ºC Ingress protection rating IP20 IP20 IP20 21

22 Inside story Greenstar Danesmoor System Utility condensing boiler series Pressure relief valve NEW Flow 1" BSP Return 22mm (12/18, 18/25) 28mm (25/32) Flue gas analyser test point Flue connection Secondary heat exchanger Temperature control Flue overheat reset button (under control box) Flue gas analyser test point (behind control box) System pressure gauge Boiler overheat reset button Burner lead Internal condensate trap Primary heat exchanger access door Expansion vessel Circulating pump Expansion vessel bracket Burner 22

23 Technical data Boiler Greenstar Danesmoor System Utility 12/18 Greenstar Danesmoor System Utility 18/25 Greenstar Danesmoor System Utility 25/32 Height 855mm 855mm 855mm Width 370mm 370mm 370mm Depth 600mm 600mm 600mm Weight lift 95kg 98kg 102kg 2005 SEDBUK value 93.2% / A rated 93.0% / A rated 92.8% / A rated 2009 SEDBUK value 91.1% 90.9% 90.7% Solar compatible Heating flow / return connections 22mm 22mm 28mm Condensate connection (polypropylene) 21.5mm 21.5mm 21.5mm Oil connection 10mm 10mm 10mm Primary water content 20 ltr 21 ltr 22 ltr Output to central heating 12-18kW 18-25kW 25-32kW Oil burner Riello RDB 2.2 Riello RDB 2.2 Riello RDB 2.2 Optional plug-in twin channel digital controls N/A N/A N/A Water side resistance 20ºC 20mbar 30mbar 56mbar Available pump head 20ºC 5.2 mh 2 O 4.3 mh 2 O 4.1 mh 2 O Exhaust flue gas mass flow 29kg/hr 40kg/hr 51kg/hr Control thermostat range 55/81ºC 55/81ºC 55/81ºC Power supply 230V, 50Hz 230V, 50Hz 230V, 50Hz Maximum power consumption 208W 208W 208W Flue reset overheat thermostat (cut out) 110ºC 110ºC 110ºC Boiler manual reset overheat thermostat (cut out) 105ºC 105ºC 105ºC Boiler high limit thermostat (cut out) 95ºC 95ºC 95ºC Minimum diameter flue (CF) 100mm 100mm 100mm Flue diameter (RS) 80/125mm 80/125mm 80/125mm Maximum horizontal flue RS 6,000mm 6,000mm 6,000mm Maximum vertical flue RS 8,000mm 8,000mm 8,000mm Maximum hearth temperature <100ºC <100ºC <100ºC Ingress protection rating IP20 IP20 IP20 23

24 Inside story Greenstar Danesmoor System External condensing boiler series Pressure relief valve NEW Flow 1" BSP Return 22mm (12/18, 18/25) 28mm (25/32) Flue gas analyser test point Flue connection Secondary heat exchanger Temperature control Service mode switch Pressure gauge Flue gas analyser test point Burner lead Combustion air inlet tube Primary heat exchanger access door Internal condensate trap Expansion vessel Circulation pump Burner 24

25 Technical data Boiler Greenstar Danesmoor System External 12/18 Greenstar Danesmoor System External 18/25 Greenstar Danesmoor System External 25/32 Height 950mm 950mm 950mm Width 565mm 565mm 565mm Depth 780mm 780mm 780mm Weight lift 108kg 111kg 115kg 2005 SEDBUK value 93.2% / A rated 93.0% / A rated 92.8% / A rated 2009 SEDBUK value 91.1% 90.9% 90.7% Solar compatible Heating flow / return connections 22mm 22mm 28mm Condensate connection (polypropylene) 21.5mm 21.5mm 21.5mm Oil connection 10mm 10mm 10mm Primary water content 20 ltr 21 ltr 22 ltr Output to central heating 12-18kW 18-25kW 25-32kW Oil burner Riello RDB 2.2 Riello RDB 2.2 Riello RDB 2.2 Optional plug-in twin channel digital controls N/A N/A N/A Condensate trap Available pump head 20ºC 5.2 mh 2 O 4.3 mh 2 O 4.1 mh 2 O Exhaust flue gas mass flow 29kg/hr 40kg/hr 51kg/hr Control thermostat range 55/81ºC 55/81ºC 55/81ºC Power supply 230V, 50Hz 230V, 50Hz 230V, 50Hz Maximum power consumption 208W 208W 208W Flue reset overheat thermostat (cut out) 110ºC 110ºC 110ºC Boiler manual reset overheat thermostat (cut out) 105ºC 105ºC 105ºC Boiler high limit thermostat (cut out) 95ºC 95ºC 95ºC Balanced flue kit Supplied in boiler case Supplied in boiler case Supplied in boiler case Maximum hearth temperature <100ºC <100ºC <100ºC Ingress protection rating IP45 IP45 IP45 25

26 Site preparations and guidance (internal models) Siting of appliance Greenstar Danesmoor regular, Danesmoor regular Utility, Danesmoor System, Danesmoor System Utility and Utility regular oil-fired appliances are not suitable for external installation unless a sufficient enclosure is provided. The floor must be firm and level. The floor on which the boiler is to be mounted should be capable of supporting an overall weight of approximately 140kg (Danesmoor) or 300kg (Utility regular). All models have a hearth temperature of below 100 C removing the need for a constructional hearth. The appliances should be positioned on a non-combustible solid base as near to the flue location point as possible. Care should be taken to ensure that the appliance is level. Siting of appliance (wall mounted models) Wall mounted models are supplied with a wall mounting frame and the primary pipework can be installed prior to the installation of the appliance. The wall must be capable of supporting the weight of the appliance, accessories and water content, approximately 135kg. The appliance is not suitable for external installation unless a suitable enclosure is provided. Installation of a Greenstar Oilfit RS flue system All materials used on open flue systems must be able to sustain the corrosive elements present within the flue gases from condensing boilers. Worcester s Oilfit flexible flue liner is available in a variety of lengths from 8m to 15m and is suitable for the Greenstar range (see installation manual for further details or contact our Technical Support Department). Guidance on the suitability of appropriate materials should be sought from the flue manufacturer, if a non-worcester flue is to be installed. Worcester can supply a flexible flue liner suitable for CF chimney installations. Flue system The Greenstar Danesmoor regular, Danesmoor regular Utility, Danesmoor System, Danesmoor System Utility and Utility regular appliances can be connected to either a conventional flue system or a multi-directional, room-sealed balanced flue. In either case, the conventional flue adaptor or the appropriate RS flue kit needs to be specified. The Greenstar Danesmoor WM is only suitable for use with a room-sealed flue. The Greenstar Oilfit flexible flue liner 26 Excluding external models

27 min max! min max! Installation and service clearances The minimum clearances shown below should be allowed for installation and servicing. Greenstar Danesmoor regular, Danesmoor regular Utility, Danesmoor System and Danesmoor System Utility Installation clearances 1,200mm 300mm 570mm Service clearances 1,200mm 380mm 10mm or 300mm** 100mm DANESMOOR 18/25 5mm* DANESMOOR 18/25 1,155mm 600mm 100mm 1,155mm 600mm 5mm* Note: *Remove the flue knock-out panel sections if this clearance is less than 75mm. **Top: 300mm for maintenance and repair. Top: 10mm for annual service check. Greenstar Utility regular Installation clearances Service clearances 1,415mm 720mm 1,415mm 540mm 300mm 300mm 100mm 10mm 1,297mm 600mm 100mm 1,312mm 600mm 10mm Greenstar Danesmoor WM Installation clearances 1,010mm 620mm 300mm 10mm 1,380mm 600mm 10mm 200mm 27

28 Compartment installation Follow the requirements of BS 5410 and note: Minimum clearances must be maintained An access door is required to install, service and maintain the boiler as well as any ancillary equipment, i.e. condensate trap If fitting the boiler into an airing cupboard use a noncombustible material to separate the boiler from the airing space. If the material is perforated, the holes must not exceed 13mm. Compartment ventilation Ventilation must be provided for boilers fitted into compartments as described in BS 5410 Referring to the diagram below, a minimum of 2 air vents must be fitted, one at low level (C) and another at high level (D) onto the same wall using the same air (E) for circulation Free air must not be taken from a room or internal space containing a bath or shower and must not communicate with a protected area such as a hall, stairway, landing, corridor, lobby, shaft, etc. Air vents must allow access for clean, free air and must be sited to comply with the flue terminal position requirements Air ducting runs must not exceed 3 metres. Low level air vents must be within 450mm from the floor A warning label must be added to the vents with a statement to the effect: Do not block this vent. Do not use for storage. Conventional flue minimum air vent area (cm 2 ) for appliances installed in a compartment kw Internal ventilation* High level (D) Low Level (C) External ventilation** High level (D) Low Level (C) 12/ / / / / , WM 12/ WM 18/ Room-sealed flue minimum air vent area (cm 2 ) for appliances installed in a compartment Internal ventilation* External ventilation** kw High level (D) Low Level (C) High level (D) Low Level (C) 12/ / / / / WM 12/ WM 18/ *Internal air to and from a space/room inside the building. **External air to and from directly outside the building. Due to changes to BS 5410 and modern building design, these figures no longer incorporate the adventitious ventilation allowance. Air supply Conventional Flue (CF) An adequate supply of free air must be delivered to the boiler for combustion purposes through a permanent inlet, such as an air brick, into the area where the boiler is situated. Combustion air must not be taken from bathroom or bedroom areas. Internal ventilation Compartment ventilation A Compartment B Boiler C Low level vent D High level vent E Air supply 28 External ventilation Minimum area of air inlet for combustion* kw Area 12/18 99cm 2 18/25 138cm 2 25/32 165cm 2 32/50 248cm 2 50/70 258cm 2 WM 12/18 99cm 2 WM 18/25 138cm 2 * Due to changes to BS 5410 and modern building design, these figures no longer incorporate the adventitious ventilation allowance.

29 min max DANESMOOR 18/25! Important: bathroom locations and clearances The boiler must not be installed in zones 0, 1 or 2 Any switch or appliance control which uses mains electricity must not be within reach of a person using the bath or shower Electrical switches, fused spurs and socket outlets must not be situated in the bathroom. Greenstar Danesmoor regular, Danesmoor regular Utility, Danesmoor System and Danesmoor System Utility Casing dimensions 600mm 370mm Refer to the latest IEE wiring regulations. 855mm 600mm 600mm 750mm 2,250mm ,250mm Greenstar Utility regular Casing dimensions 0 815mm 520mm 600mm 1,012mm 750mm 2,250mm ,250mm 0 Greenstar Danesmoor WM Casing dimensions 600mm radius Conventional flued boilers must not be fitted in a bathroom. 380mm 410mm 30mm 600mm 880mm 29

30 Pipework connections The diagrams below show the flue and pipe outlets (mm): Note: For servicing purposes, keep the condensate and pressure relief discharge pipes away from components and pipework connections. Greenstar Danesmoor regular & Danesmoor regular Utility models Greenstar Danesmoor System & Danesmoor System Utility models Pipework connections Pipework connections TOP VIEW B CF 170 RS D 67 D D B A G A A B C 50 C A G C E TOP VIEW F FRONT VIEW SIDE VIEW FRONT VIEW Flue and pipe connections Key Description 12/18 & 18/25 25/32 A CH flow 1" dia. BSP 1" dia. BSP B CH return 22mm dia. plain copper 28mm dia. plain copper C Condensate outlet 21.5mm dia. 21.5mm dia. D Flue outlet 80/125mm 80/125mm Flue and pipe connections Key Description 12/18 & 18/25 25/32 A CH flow 22mm dia. 28mm dia. B CH return 22mm dia. plain copper 28mm dia. plain copper C Condensate outlet 21.5mm dia. 21.5mm dia. D Flue outlet 80/125mm 80/125mm E Oil pipe isolating valve 10mm 10mm F Optional oil line return line connection 10mm 10mm G Pressure relief pipe 15mm dia. 15mm dia. Greenstar Utility regular models Pipework connections Greenstar Danesmoor WM models Pipework connections 96.5mm 191mm 503.5mm E 188.5mm C 74.5mm (A) 108mm (B) 153.5mm (D) FRONT VIEW SIDE VIEW Flue and pipe connections Key Description 32/50 & 50/70 A CH flow/open vent 1½" dia. BSP B Primary feed/drain 1½" dia. BSP C CH return 28mm dia. plain ended copper D Flue outlet 100/150mm Flue and pipe connections Key Description 12/18 & 18/25 A Flow 22mm dia. copper B Return 22mm dia. copper C Primary drain hose connection ½" BSP D Condensate outlet 21.5mm dia. E Flue outlet 80/125mm dia. 30

31 Site preparations and guidance (external models) Greenstar Danesmoor regular External and Greenstar Danesmoor System External Casing dimensions 780mm 565mm 950mm Siting of appliance The Greenstar Danesmoor External appliances are suitable for external installation only. Appliances should be installed at a suitable location onto a fixed, permanent and rigid surface. There must be sufficient hard-standing around the appliance to allow for servicing. Appliances must be installed on a flat, level surface to ensure that condensation does not enter the primary heat exchanger. Appliances should not be installed where there is a potential for excessive ground water coverage. Tarmac and wood hardstandings are not recommended. Installation and service clearances The minimum clearances shown below should be allowed for installation and servicing. It is strongly recommended that the flue terminal faces away from walls to reduce the possibility of wetting occurring. Care should be taken to ensure that pipework leaving the appliance and entering the building should not be exposed. The appliance should be sited as close to the dwelling as possible. Flue system For all external boilers, consideration should be given to the location of the appliance and its flue outlet in relation to windows, doors and air vents. The Greenstar Danesmoor regular and Danesmoor System External appliances can be connected to the Greenstar Oilfit External flue system (supplied with the Danesmoor regular External) providing balanced fluing options at low level, high level or vertical outlets (see page 52). Side view Bird's eye view 2,500mm* 600mm 600mm 2,500mm FRONT 85mm Plan view 45mm FRONT 600mm min. BASE 600mm Bird's eye view 50mm** Bird's eye view 50mm** 2,500mm 10mm 10mm 2,500mm Plan view Plan view FRONT FRONT 600mm 600mm **Rear clearance flue outlet on side *Rear clearance flue outlet on rear 31

32 Pipework connections Danesmoor regular External The diagrams below show the flue and pipe outlets (mm): Note: For servicing purposes, keep the condensate and pressure relief discharge pipes away from components and pipework connections. Pipework connections Danesmoor System External The diagrams below show the flue and pipe outlets (mm): Note: For servicing purposes, keep the condensate and pressure relief discharge pipes away from components and pipework connections. Rear Rear Flue Flue Services Services Condensate 93 Condensate PRV Fire valve & drain access Pressure relief valve Fire valve capillary & drain access REAR 171 Right side Services Right side Flue Flue Services Condensate 715 Condensate PRV Oil RIGHT HAND SIDE Fire valve capillary & drain access Pressure relief valve Fire valve & drain access Oil Left side Services Left side Flue Flue Services Condensate PRV Oil 327 Condensate Pressure relief valve Oil LEFT HAND SIDE Danesmoor regular External flue and pipe connections Description 12/18 & 18/25 25/32 CH flow/open vent 1" dia. BSP 1" dia. BSP CH return 22mm dia. plain copper 28mm dia. plain copper Flue outlet 80/125mm dia. 80/125mm dia. Condensate outlet 21.5mm dia. 21.5mm dia. Danesmoor System External flue and pipe connections Description 12/18 & 18/25 25/32 CH flow 22mm 28mm CH return 22mm dia. plain copper 28mm dia. plain copper Flue outlet 80/125mm dia. 80/125mm dia. Condensate outlet 21.5mm dia. 21.5mm dia. 32

33 Installation requirements Installation regulations The appliance should be installed by a competent person who is aware of the Health and Safety at Work Act. They should take appropriate action to ensure that the regulations are adhered to. In order to give optimum efficiency and trouble-free operation, the appliance must be commissioned by a qualified OFTEC engineer. In particular, the installation of this appliance must be in accordance with the relevant requirements of the following British Standards and regulations in respect of the safe installation of equipment: The compliance with a British Standard does not, of itself, confer immunity from legal obligations. BS 5410: part 1 & 2: Code of Practice for Oil Fired Boilers. BS 799: part 5: Specification for Oil Storage Tanks. BS 7593: Code of Practice for treatment of water in domestic hot water central heating systems. BS 5449: part 1: Specification for forced circulation hot water central heating for domestic premises. BS 5955: part 8: Specification for the installation of thermoplastic pipes and associated fittings for use in domestic hot and cold water services and heating systems. BS 7291: Thermoplastic pipes and associated fittings for hot and cold water for domestic purposes and heating installations in buildings. BS 7074: part 1: Application, selection and installation of expansion vessels and ancillary equipment for sealed water systems. BS 7671: IEE Wiring Regulations, current edition. Full British Standards requirements can be found on the British Standards website. The Building Regulations England and Wales, Scotland and Northern Ireland. Sealed system installation The Greenstar system oil-fired appliances are designed for sealed systems, incorporating a pre-plumbed expansion vessel, pressure relief valve set to 3bar, automatic air vent and pressure gauge. The expansion vessel fitted to the appliance will accommodate differing system volumes depending on initial charge pressure and system prepressurisation. Under certain circumstances the system volume may be in excess of that catered for by the expansion vessel provided. In this instance, an additional vessel should be fitted as close as possible to the return connection of the appliance. Filling of the system can take place from a make-up vessel, which should be fitted with a non-return valve above the highest point in the system. Alternatively, and to comply with the new Water Authority requirements, the system may be filled through a temporary hose connection to the mains water supply, provided that a double check valve assembly and test point are fitted on the system side of the temporary connection. Greenstar regular boilers can be installed on a sealed system subject to an appropriately sized expansion vessel, a 3bar pressure relief valve and a filling link with pressure gauge being added. Open vented primary systems The feed and expansion cistern (E) must be positioned to provide a static head (S) of at least 1 metre above the highest point in the heating system to the water level in the expansion tank (E). The open vent pipe (H), feed and expansion pipe (F) must rise continuously from the appliance. The open vent pipe (H) must be at least 22mm dia. F E 150mm max. H M A J C K S 1,000mm min. T T R R L K D D L T T R R L L Local water company bye-laws. The Control of Pollution (Oil) Regulations. OFTEC Standards Typical open vent system A Appliance C Automatic bypass valve D Drain cock E Feed and expansion cistern F Feed and expansion 15mm dia. min H Open vent 22mm dia. min J Circulating pump K Zone valve L Lockshield valve M Hot water cylinder R Radiators S Static head T TRV 33

34 Radiator valves Underfloor heating Plastic pipework used for underfloor heating must be correctly controlled with a thermostatic blending valve, limiting the temperature of the circuits to approximately 50ºC. A 20ºC temperature differential must also be maintained at the appliance. Primary system/connections/valves Do not use galvanised pipes or radiators. All system connections must be capable of sustaining a pressure up to 3bar Radiator valves should conform to BS 2767:10 All other valves should conform to BS 1010 An automatic bypass valve must be connected between the heating flow and return where TRVs are used on all radiators. It should be fitted to give at least a 3 metre circuit when activated. Drain cocks are required at all of the lowest points on the system Air vents are required at all of the high points on the system. Guarantee Worcester oil-fired appliances are offered with a 2 year* guarantee on parts and labour from the date of installation providing the appliance is commissioned upon installation and the regular service requirements are met. The primary heat exchanger comes with a 5 year* guarantee and the secondary heat exchanger is guaranteed for 10 years*. * Ongoing service and maintenance contracts can be arranged through the Worcester Customer Service Department if you do not wish to service or maintain your customer's boiler. * Oil supply Oil storage tank External wall Isolating valve Fire valve sensor 300mm min. 4m max. Full base (plastic tanks) Isolating valve Oil strainer & water separator Oil supply pipe Isolating valve Fire valve to BS 5410 Oil filter Oil pump Oil burner Fig. 10 Single pipe system Oil storage tank Non-return valve Isolating valve Fire valve to BS 5410 Fire valve sensor Oil burner 150mm Full base (plastic tanks) Isolating valve Oil strainer & water separator Oil supply pipe External wall Isolating valve Oil filter Oil pump 3.5m max. Fig. 11 Two pipe system 34 *Terms and conditions apply.

35 Fire valve sensor De-aerator Oil burner Oil storage tank Isolating valve Oil strainer & water separator Isolating valve Fire valve to BS 5410 Oil pump 3.5m max. Full base (plastic tanks) Oil supply pipe External wall Fig. 12 Single pipe lift system with de-aerator The oil burner on the Greenstar regular and system oil-fired appliances is supplied with a single flexible fuel line from the oil pump, which is connected to the main oil supply line (via the oil isolation valve), within the appliance. This enables the burner to be removed without the need for disconnection of the fuel line. The maximum permissible head is 4 metres. If the head is greater, then a head breaking device must be incorporated into the oil supply line. The oil pump s primary job is to pressurise the oil once in the pump and force it out of the nozzle at high pressure to atomise the fuel, ensuring clean and efficient combustion. This same pump can also be converted to draw up the fuel line in cases where the oil tank is lower than the appliance s burner. This conversion should be undertaken by the installing engineer. from the oil tank. There is usually a non-return valve located in this connection to prevent oil draining back towards the oil tank under gravity which can create a vacuum. When the burner is firing, the whole fuel supply system is under negative pressure, i.e. suction, therefore it is imperative that all joints on the fuel supply system are correct. Whilst there may be no obvious signs of an oil leak externally, when the burner is firing it may be possible for air to be drawn in through a bad joint, reducing the pump s capabilities, resulting in a lack of fuel to the oil pump and a nuisance lockout. This may manifest itself as a very low level of oil or foaming of the oil inside the de-aeration device whilst the burner is trying to fire. Most de-aeration devices are made of plastic and vent to the atmosphere. For this reason, they must always be located externally. Metal types do exist which do not emit vapour. These can be located internally or externally. All oil pumps on Worcester appliances can easily be converted to work on a two pipe system (details of this operation are within the Installation and Servicing instructions which come with the appliance). More advice on fuel lines can be sought from OFTEC Book Three as well as Technical sheet TI/134. De-aeration devices A de-aeration device is a container of oil, about the size of a pint glass, with an automatic air vent on top as well as three connections on the bottom. It removes the need to run a return oil pipe back to the tank from the burner as in Fig. 11. Its function is to provide a reservoir of oil from which the oil pump draws. It also acts to vent any air in the oil out to the atmosphere preventing a nuisance lockout of the burner. Not all the oil drawn is consumed and any excess is returned to the de-aeration device meaning that whilst the burner is firing, there is a continuous flow and return of oil. The third connection is for the main fuel line Top outlet oil tanks should have the non-return valve removed from the end of the oil feed pipe within the tank if installed in conjunction with a de-aeration device. Supply pipe The oil supply pipe itself would normally be annealed copper tube with a protective plastic coating which is easily manipulated around bends and usually enables the fuel line to be run in a continuous length without joints. If joints must be used, they must be accessible, even if underground (via an access duct) and should be of the manipulative type. Plastic pipe specifically for oil lines does exist and is acceptable but must only be used underground. Galvanised pipe, fittings and soldered joints must not be used in oil lines. More advice on fuel lines can be sought from OFTEC Book Three as well as Technical sheet TI/

36 Supply pipe sizing The diameter of the oil supply pipe itself is determined by the distance from the oil tank to the appliance and the head of oil whether it be positive or negative. Tables 1 and 2 give the required diameter of supply pipe when cross referenced with the head. Table 3 gives the diameter of the supply pipe when the use of a de-aeration device is made. Head Head Maximum allowable pipe run 8mm inside dia. pipe (10mm OD copper) Maximum allowable pipe run 8mm inside dia. pipe (10mm OD copper) 10mm inside dia. pipe (12mm OD copper) 0m 50m 100m -0.5m 44m 100m -1.0m 38m 95m -1.5m 32m 80m -2.0m 26m 66m -2.5m 20m 50m -3.0m 14m 37m -3.5m 8m 22m Table 2: Double pipe sub-gravity feed system 10mm inside dia. pipe (12mm OD copper) 0.5m 12m 30m 1.0m 25m 69m 1.5m 37m 91m 2.0m 49m 100m 2.5m 62m 100m 3.0m 74m 100m 3.4m 87m 100m 4.0m 99m 100m Table 1: Single pipe gravity feed system Oil tanks For further information on oil tank location, please consult the tank supplier. Oil filters Oil filters must always be incorporated in the oil supply line. One should be fitted on the outlet from the oil tank to filter deposits from within the tank or fuel, and one should be fitted near the appliance to filter deposits from within the fuel line itself. They are supplied and fitted by the installing engineer and are not part of the boiler s components. It should be possible to service them without the need for draining down the fuel supply line. There must be sufficient clearance below the filter to enable servicing operations to be carried out easily. Filters must comply to OFTEC standard OFS E104. Fire valves A fire valve is an essential part of the oil supply system. It must be supplied and fitted by the installing engineer and is not part of the boiler s components. Its purpose is to cut off the flow of oil outside the building in the event of fire within the boiler area. The valve should be located on the fuel line at the point of entry into the building. It must be activated by a remote sensor located over the burner. A clip is provided within the appliance for the sensor. Fire valves must comply with OFTEC standard OFS E101. Maximum allowable run from tank to de-aerator Fuel flow rate 2.5 (kg/h) 5 (kg/h) 10 (kg/h) 10 (kg/h) Head 8mm dia. 8mm dia. 8mm dia. 10mm dia. 0m 100m 55m 26m 100m 0.5m 95m 45m 23m 100m 1.0m 80m 40m 20m 90m 1.5m 70m 35m 17m 75m 2.0m 60m 30m 14m 65m 2.5m 45m 25m 11m 50m 3.0m 35m 15m 8m 35m 3.5m 25m 10m 5m 20m Table 3: Single pipe suction lift with de-aerator 36

37 The Worcester Greenstar System Filter At the centre of this innovative design is a highly powerful magnet that removes the magnetic debris (magnetite) that is present in the heating system water. The central location of the magnet ensures that magnetite is collected quickly and retained, maximising the overall protection, a proven technology that offers a capacity to collect up to 200g of magnetite a year. Any non-magnetic debris is caught by the twin-action cyclonic trap. 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 as well as potentially shortening the life of the overall system. Damaged boiler and system components Blockages in primary heat exchanger Increased wear on pumps Blocked valves. NEW A circulating pump damaged by system debris and pollutants Reduced efficiency Energy efficiency loss equivalent to a boiler being reduced from A rated efficiency to D rated, resulting in fuel wastage* Blocked radiators can reduce efficiency and heating comfort. A highly effective solution from the brand you can trust The Worcester Greenstar System Filter has been specifically designed to combat the damaging effects of system debris and pollutants, allowing homeowners to protect their The Greenstar System Filter is easy to boiler or heat pump for a install and service fraction of its cost. The filter is suitable for any 22mm piped heating systems. The Greenstar System Filter has been extensively tested in simulated systems, proving its effectiveness in removing iron oxide, magnetite, limescale particles, casting sand, welding debris, non-magnetic metal flakes, paint particles and other system pollutants. Features Highly effective filter Prevent blockages in radiators High powered internal magnet Cylindrical design Twin-action magnetic and non-magnetic filtration No power consumption or moving parts Can be installed under the boiler or away from the appliance One-way valve for adding system chemicals Worcester, Bosch Group specification and design Benefits Safeguards the boiler against damage and protects the efficiency of the system. Saves up to 6% a year on energy bills* A warmer home and quieter system Proven technology that can capture up to 200g of magnetite Increased performance better installation options Instantly effective against a wide range of system debris No electrical wiring connection or supply needed. Zero running costs and no failure of components Flexibility *Independent research carried out by GASTEC at CRE Removes the need to isolate a section of the system when carrying out servicing and maintenance Reliability of components and filter Installation The filter can be installed almost anywhere in a heating system. However, to maximise the effectiveness, it should be placed before the boiler and after the last radiator. Product info Part number

38 Condensate pipework 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 be one of the factors considered in determining boiler location The condensate pipe must be a minimum of 22mm dia. plastic pipe The condensate pipework must fall at least 52mm per metre towards the outlet and should take the shortest practicable route Ensure there are no blockages in the pipe run. Internal connections In order to minimise risk of freezing during prolonged cold spells, the following methods of installing a condensate drainage pipe should be adopted, in order of priority. Wherever possible, the condensate drainage pipe should be routed and terminated so that the condensate drains away from the boiler under gravity to a suitable internal foul water discharge point such as an internal soil and vent stack. A suitable permanent connection to the foul waste pipe should be used. (see fig. 1) Condensate pump Where gravity discharge to an internal termination is not physically possible, or where very long internal runs would be required to reach a suitable discharge point, condensate should be removed using a proprietary condensate pump, of a specification recommended by the boiler or condensate pump manufacturer. The pump outlet pipe should discharge to a suitable internal foul water discharge point such as an internal soil and vent stack, internal kitchen or bathroom waste pipe, washing machine waste pipe etc. A suitable permanent connection to the foul waste pipe should be used. (see fig. 3 and 4) Condensate discharge from boiler Universal connector 22mm dia. Visible air break at plug hole 75mm min. Condensate pump Sink or basin with integrated overflow 75mm sink waste trap Condensate discharge from boiler Soil and vent stack Universal connector Fig. 3 Condensate pump disposal (internal models) 22mm dia. Min. 450mm and up to three storeys Condensate discharge from boiler Universal connector 22mm dia. Pipework transition Insulate & increase pipe size to 32mm Fig. 1 Disposal to soil vent stack (internal and external models). For external models increase pipe size and insulate pipework. Alternatively if the first option is not possible, an internal kitchen or bathroom waste pipe, washing machine waste pipe, etc. can be used. (see fig. 2) Condensate pump Fig. 4 Condensate pump to external disposal (internal models) 25mm min. Condensate discharge from boiler Universal connector 22mm dia. Visible air break at plug hole Sink or basin with integrated overflow 38 75mm min. Fig. 2 Disposal to a waste pipe (internal models) 75mm sink waste trap For full technical information on pipe size, insulation and different condensate pipework methods, please see Installation, Commissioning and Servicing Instruction Manual.

39 External connections Freezing conditions Pipework length should be kept to a minimum and the route should be as vertical as possible A Worcester CondenseSure auxiliary siphon may be used to reduce the risk of freezing Where pipework is subjected to extreme cold or wind chill, a form of weather-proof insulation should be used. Condensate discharge from boiler Universal connector 22mm dia. Pipework transition 500mm min. Insulate & increase pipe size to 32mm 400mm min. 25mm min. Condensate waste Care should be taken when siting a soak away to avoid obstructing existing services. If no other discharge method is possible, then the use of an externally-run condensate drainage pipe terminating at a suitable foul water discharge point, or purpose-designed soak away, may be considered (see fig. 5). 100mm dia. min. plastic pipe Drainage holes 12mm dia. 100mm dia. 25mm 25mm 50mm 25mm 300mm 100mm dia. min. plastic pipe Limestone chippings Drainage holes Bottom of sealed tube UNSUITABLE FOR CLAY SOIL TYPES If this method is chosen, then the following measures should be adopted: The external run should be kept as short as possible and not exceed 3m A CondenseSure auxiliary siphon may be used to reduce the risk of freezing The pipe should be run internally as far as possible before going externally and the pipe diameter should be increased to 32mm before it passes through the wall to the exterior. The pipe should be insulated using suitable waterproof and weather resistant insulation The external pipe should take the shortest and least exposed route to the discharge point, and should fall as steeply as possible away from the boiler, without horizontal runs in which condensate might stand The use of fittings, elbows, etc., should be kept to a minimum and any internal burrs on cut pipework should be removed so that the internal pipe section is as smooth as possible. Fitting an external air break Refer to Fig 6. When a rainwater down pipe (which goes directly into a sewer that carries both rain water and foul water) is used to dispose of condensate, an air break must be installed. It should be fitted on the 43mm pipework, between the boiler condensate outlet and the drainpipe. The installation should take place outside the property to avoid flooding during adverse weather conditions. Fig. 5 Soak away (internal and external models). For external models increase pipe size and insulate pipework. Condensate discharge from boiler 22mm dia. Universal connector Pipework transition Insulate & increase pipe size to 32mm 43mm 90º male/female bend External rain water pipe into foul water External air break Air gap PVCu strap on fitting Fig. 6 Disposal into a rainwater down pipe (internal and external models). For external models increase pipe size and insulate pipework. In addition to the condensate discharge options illustrated on these pages and in the Installation, Commissioning and Servicing Instruction Manual, the new Worcester CondenseSure auxiliary siphon provides an innovative alternative for the prevention of freezing for externally run discharge condensate (see pages for details). 39

40 The Worcester CondenseSure auxiliary siphon NEW With temperatures as low as -20ºC being experienced in very cold winters, practices such as externally run condensate discharge pipework are now being questioned. In these conditions the condensate pipe on a condensing oil-fired boiler can freeze. This can lead to a blocked condensate pipe, which will cause condensate to drain back into the boiler leading to corrosion of mild steel components and leakage of condensate. This can result in premature component failure, damage to property and burner failure. The Worcester CondenseSure auxiliary siphon has been designed to allow a more flexible approach to boiler siting. Tested to extreme temperatures The Worcester CondenseSure auxiliary siphon has been extensively tested under simulated extreme weather conditions, proving its effectiveness in preventing frozen condensate at -15ºC for a sustained period of 48 hours. CondenseSure principle of operation Most oil-fired condensing boilers have a trap which releases condensate as it is formed. A typical A-rated condensing boiler will generate up to 2 litres of condensate an hour (dependent on output and temperature) which is discharged as a continuous trickle. With this frequency of discharge, the condensate pipework is never empty of condensate, consequently increasing the potential for freezing of the pipework in prolonged sub-zero temperatures. The CondenseSure insulating jacket helps to retain the temperature of the condensate. A universal fitting for new and existing installations Although developed specifically for Worcester Greenstar gas- and oil-fired boilers, the Worcester CondenseSure can also be fitted to any make of condensing boiler for both new and retrofit installations. The CondenseSure can provide a simple solution which eliminates the need for re-siting both the new boiler and the system pipework when replacing an existing non-condensing appliance. CondenseSure can easily be fitted to an existing condensing boiler to provide peace of mind in extreme weather conditions. The CondenseSure siphon connects to the boiler condensate discharge outlet and collects the condensate into a larger volume before releasing it into the discharge pipe. With this expanded siphonic operation, the discharge from the CondenseSure increases to every 15 to 20 minutes, resulting in: Increased velocity and flow rate Only 3 to 4 siphonic actions per hour, meaning the condensate pipework is empty for longer Significantly decreased or even eliminated freezing potential. Features No power consumption No moving parts Can be installed on new or existing installations Can be attached to 22mm heating flow pipework (gas-fired boiler) Under boiler or remote installation No electrical connections No pipe insulation needed Benefits No electrical wiring connection or supply needed, meaning zero running costs No failure of components Suitable for any gas- or oil-fired condensing boilers Uses free energy from the pipe to heat the condensate Flexibility No electrician needed Cost saving and aesthetically pleasing 40

41 Ease of installation The CondenseSure has been designed for ease of installation and is suitable for most boiler applications. Although it can be clipped to a flow pipe under a wall hung boiler, on floor standing boilers the CondenseSure can be wall-mounted away from the boiler, whilst still being connected to the condensate discharge pipe. Fitting Condensate discharge from boiler 3 Universal connector CondenseSure External pipework 3000mm max. 2.5º fall min. 32mm OD pipe 2 5 A typical installation using CondenseSure CondenseSure installation parameters The CondenseSure will protect an externally run condensate discharge pipe from freezing for 48 hours at -15 C providing the following installation parameters are met: The externally run pipe length does not exceed 3 metres There is a fall on the discharge pipe of at least 2.5 degrees The discharge pipe diameter is not less than 32mm in diameter. Whilst it is not necessary to insulate the pipework, it may be a consideration if longer lengths or lower external temperatures are expected. 1. Foam backing with double-sided tape 2. Siphon mounting screws 3. Siphon body 4. Foam insert (used with regular or system boilers) 5. Foam cover Additional installation considerations include: Keeping any external pipework as short as possible Minimising the number of bends and connections Removal of burrs after cutting any pipe Removal of surplus solvent from the interior of the pipe. There is no Part P requirement as the CondenseSure has no working parts to break down, does not use any energy and has no electrical connections. Product info Part number

42 Velux dormer w GREENSTAR DANESMOOR KITCHEN 12/18 Horizontal and vertical flue terminal positioning All measurements in millimetres Conventional flue Window , Boundary Note All measurements are the minimum clearances required. Use suitable brackets and fittings to support the flue at approximately one metre intervals and at a change of direction. Terminals must be positioned so as to avoid combustion products entering the building. In spite of the dimensions given here, the terminal must not be closer than 300mm to combustible material, in the case of a thatched roof, double this dimension. Terminals must be positioned so as to avoid products of combustion accumulating in stagnant pockets around or entering the building. Terminals must be at least 1.8m from an oil storage tank unless a wall with of at least 30 minutes fire resistance which extends 300mm wider and higher than the tank is present between the tank and the terminal. 42 Key to illustration mm distance to a boundary, unless it will cause a nuisance. BS 5410: Part 1 recommends that care is taken when siting terminals in relation to boundaries mm below eaves and balconies, this can be reduced to 75mm, as long as the flue terminal is extended to clear any overhang mm horizontally or vertically to an opening, air brick or opening window. 4. 1,500mm vertically from a terminal on the same wall mm horizontally from a flue on the same wall mm to an internal or external corner.

43 1m 2m 52mm 104mm 11 or indow Drainpipe 12 2, External oil boiler Minimum 600mm straight flue before any bend on a conventional flue mm between a vertical structure and a flue terminal. 9. 1,000mm below a Velux or dormer window, 300mm above or to either side of the Velux or dormer window or any opening on a sloping roof mm above the highest point of an intersection with a roof. 11. Any flue must fall back towards the boiler by 3 or 52mm for every metre of flue so that the condensate drains back to the boiler for disposal mm to any vertical sanitary pipework or drain pipe. 13. Flue clearance must be at least 300mm above ground or balcony level. Terminal guards must be fitted if the flue is less than 2 metres from the ground or if a person could come into contact with the flue terminal ,500mm between terminals facing each other. 43

44 Greenstar floor standing boiler range horizontal fluing options (internal models) The Greenstar regular and system boiler range has a 125mm diameter telescopic horizontal room-sealed flue system including a plume management kit. Horizontal room-sealed flue Flue diameter 125mm 150mm Maximum flue length Danesmoor 12/18, 18/25 & 25/32 6,000mm N/A Utility regular 32/50 N/A 3,000mm Utility regular 50/70 N/A 3,000mm Note: The maximum flue length must be reduced by the following amounts for each bend used. 45º bend 90º bend 80/125mm flues 500mm 1,000mm 100/150mm flues 500mm 1,000mm Notes: Flue length is measured from the side/top of the boiler to the outside wall for the Greenstar Oilfit flue kits 125mm and 150mm. All components for the left horizontal and right horizontal outlet come within the Greenstar Oilfit horizontal flue kit (150mm) for the Greenstar Utility regular 32/50 and 50/70 models. Greenstar Danesmoor regular and Danesmoor System components 125mm diameter Part No Description Standard telescopic flue kit ( mm) Short telescopic flue kit ( mm) ,000mm flue extension mm short flue extension º bend º bends (pair) Flue damper Flue terminal guard Infill plate for high level horizontal flues (Danesmoor) Greenstar Utility regular components 150mm diameter Part No. Description Standard flue kit ,000mm extension flue kit º bend º bends (pair) Flue terminal guard The following criteria should be noted when planning the installation: The concentric flue system must be inclined at 3º (52mm per metre) from the appliance, to allow condensate to drain back into the boiler A white plume of condensation will be emitted from the terminal because the appliance operates at high efficiency. Care must be taken when selecting the flue terminal position To achieve a maximum flue length, one of the extension flue kits will need to be cut so that the permitted maximum flue length is not exceeded Note: The short flue extension (600mm) may be used as an alternative to the standard 1,000mm extension on 80/125mm flue installations as required up to the maximum flue lengths stated (Part No ). 44

45 Horizontal flue options 1-4 illustrate common flue installations. Other configurations of the flue system are possible up to, and not exceeding, the stated maximum flue lengths. Option 1: Standard rear flue assembly Option 3: Side flue extension Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor regular & Danesmoor System series Part No. 125mm mm Greenstar Utility regular series Part No. 150mm mm Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor regular & Danesmoor System series Part No. 125mm mm 5,000 1 up to 5 1 Greenstar Utility regular series Part No. 150mm mm 3,000 1 up to 2 1 Option 2: Extended rear flue assembly Option 4: High level horizontal discharge Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor regular & Danesmoor System series Part No. 125mm mm 6,000 1 up to 6 Greenstar Utility regular series Part No. 150mm mm 3,000 1 up to 3 Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor regular & Danesmoor System series Part No. 125mm mm 5,000 1 up to 5 2 Greenstar Utility regular series Part No. 150mm mm 2,000 1 up to 2 2 Note: The maximum flue length must be reduced by the following amounts for each bend used. 45º bend 90º bend 80/125mm flues 500mm 1,000mm 100/150mm flues 500mm 1,000mm 45

46 Greenstar floor standing boiler range vertical fluing options (internal models) The Greenstar regular and system boiler range has the choice of 2 differently sized vertical room-sealed flue systems, 125mm and 150mm. Both systems have different maximum lengths. Vertical room-sealed flue Flue diameter 125mm 150mm Maximum flue length (inc. terminal) Danesmoor 12/18, 18/25 & 25/32 8,000mm N/A Utility regular 32/50 N/A 6,000mm Utility regular 50/70 N/A 6,000mm Flue terminal assembly diameter 138mm 163mm Flue damper (Part No ) required at effective flue lengths >6m Note: The maximum flue length must be reduced by the following amounts for each bend used. 45º bend 90º bend 80/125mm flues 500mm 1,000mm 100/150mm flues 500mm 1,000mm Notes: Flue length is measured from the side/top of the boiler to the outside wall for the Greenstar Oilfit flue kits 125mm and 150mm. All components for the left horizontal and right horizontal outlet come within the Greenstar Oilfit horizontal flue kit (150mm) for the Greenstar Utility regular 32/50 and 50/70 models. Greenstar Danesmoor regular, Danesmoor System & Danesmoor System Utility components 125mm diameter Part No Description Vertical balanced flue kit (Danesmoor regular) ,000mm flue extension mm short flue extension º bend º bends (pair) Flue damper Flashing flat roof Flashing pitched roof Greenstar Utility regular components Part No. 150mm diameter Description Vertical balanced flue kit (Greenstar Utility regular) ,000mm flue extension º bend º bends (pair) The following criteria should be noted when planning the installation: To achieve a maximum flue length, one of the extension flue kits will need to be cut so that the permitted maximum flue length is not exceeded The concentric flue system must be inclined at 3º (52mm per metre) from the appliance, to allow condensate to drain back into the boiler Because the appliance operates at high efficiency, a white plume of condensation will be emitted from the terminal. Care must be taken when selecting the flue terminal position Note: The short flue extension (600mm) may be used as an alternative to the standard 1,000mm extension on 80/125mm flue installations as required up to the maximum flue lengths stated (Part No ). 46

47 Vertical flue options 1-2 illustrate common flue installations. Other configurations of the flue system are possible up to, and not exceeding, the stated maximum flue lengths. Option 1: Vertical balanced flue system minimum height Option 2: Vertical balanced flue system with two 90º bends Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor regular & Danesmoor System series Part No. 125mm mm 1,080 1 Greenstar Utility regular series Part No. 150mm mm 1,290 1 Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor regular & Danesmoor System series Part No. 125mm mm 6,000 1 up to 6 2 Greenstar Utility regular series Part No. 150mm mm 4,000 1 up to 4 2 Flue damper (Part No ) required at effective flue lengths >6m Note: The maximum flue length must be reduced by the following amounts for each bend used. 45º bend 90º bend 80/125mm flues 500mm 1,000mm 100/150mm flues 500mm 1,000mm 47

48 Greenstar Danesmoor Wall Mounted Internal boiler range horizontal fluing options The Greenstar Danesmoor WM regular boiler range has a 125mm diameter telescopic horizontal room-sealed flue system including a plume management kit. Horizontal room-sealed flue Flue diameter 125mm Minimum flue length 160mm Maximum flue length 4,000mm Note: The maximum flue length must be reduced by the following amounts for each bend used. 45º bend 90º bend 80/125mm flues 500mm 1,000mm Greenstar Danesmoor Wall Mounted components 125mm diameter Part No Description Standard telescopic flue kit ( mm) Short telescopic flue kit ( mm) ,000mm flue extension mm short flue extension º bend º bends (pair) Note: The telescopic flue kit does not include 90 bend required for horizontal fluing. The following criteria should be noted when planning the installation: The concentric flue system must be inclined at 3º (52mm per metre) from the appliance, to allow condensate to drain back into the boiler A white plume of condensation will be emitted from the terminal because the appliance operates at high efficiency. Care must be taken when selecting the flue terminal position To achieve a maximum flue length, one of the extension flue kits will need to be cut so that the permitted maximum flue length is not exceeded Note: The short flue extension (600mm) may be used as an alternative to the standard 1,000mm extension on 80/125mm flue installations as required up to the maximum flue lengths stated (Part No ). 48

49 Horizontal flue options 1-5 illustrate common flue installations. Other configurations of the flue system are possible up to, and not exceeding, the stated maximum flue lengths. Option 1: Standard horizontal flue assembly Option 3: Extended flue assembly horizontal and upwards Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor WM series Part No. 125mm mm Option 2: Extended horizontal flue assembly Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor WM series Part No. 125mm mm 4,000 1 up to 4 1 Option 4: Extended flue assembly horizontal and upwards using a second 90º bend Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor WM series Part No. 125mm mm 4,000 1 up to 4 1 Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor WM series Part No. 125mm mm 3,000 1 up to 3 2 Option 5: Extended horizontal flue assembly with a second 90º bend Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor WM series Part No. 125mm mm 3,000 1 up to 3 2 Note: The maximum flue length must be reduced by the following amounts for each bend used. 45º bend 90º bend 80/125mm flues 500mm 1,000mm 49

50 Greenstar Danesmoor Wall Mounted Internal boiler range vertical fluing options The Greenstar Danesmoor WM boiler range has a 125mm diameter vertical room-sealed flue system. Vertical room-sealed flue Flue diameter 125mm Minimum flue length 1,080mm Maximum flue length (inc. terminal) 6,000mm Flue terminal assembly diameter 125mm Flue terminal assembly length 1,080mm Greenstar Danesmoor Wall Mounted components 125mm diameter Part No. Description Vertical balanced flue kit ,000mm flue extension mm short flue extension º bend º bends (pair) Note: The maximum flue length must be reduced by the following amounts for each bend used. 45º bend 90º bend 80/125mm flues 500mm 1,000mm Flashing flat roof Flashing pitched roof The following criteria should be noted when planning the installation: To achieve a maximum flue length, one of the extension flue kits will need to be cut so that the permitted maximum flue length is not exceeded The concentric flue system must be inclined at 3º (52mm per metre) from the appliance, to allow condensate to drain back into the boiler Because the appliance operates at high efficiency, a white plume of condensation will be emitted from the terminal. Care must be taken when selecting the flue terminal position Note: The short flue extension (600mm) may be used as an alternative to the standard 1,000mm extension on 80/125mm flue installations as required up to the maximum flue lengths stated (Part No ). 50

51 Vertical flue options 1-4 illustrate common flue installations. Other configurations of the flue system are possible up to, and not exceeding, the stated maximum flue lengths. Option 1: Vertical balanced flue system minimum height Option 3: Vertical balanced flue system with two 90º bends Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor WM series Part No. 125mm mm 1,080 1 Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor WM series Part No. 125mm mm 4,000 1 up to 4 1* *Only order 1 additional 90º bend vertical kit includes a 90º bend Option 2: Vertical balanced flue system maximum height Option 4: Vertical balanced flue system with two 45º bends Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor WM series Part No. 125mm mm 6,000 1 up to 6 Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor WM series Part No. 125mm mm 5,000 1 up to 5 2 Note: The maximum flue length must be reduced by the following amounts for each bend used. 45º bend 90º bend 80/125mm flues 500mm 1,000mm 51

52 Greenstar floor standing fluing options (external models) Greenstar Danesmoor regular External and Danesmoor System External boilers include a low level balanced flue kit. Greenstar Danesmoor regular External and Danesmoor System External components 125mm diameter Part No. Included with boiler Description Low level horizontal balanced flue kit 90º bend (internal) required for fluing to left or right Flue terminal guard Top view Components 175mm 240mm Low-level left TOP VIEW FRONT Maximum lengths (mm) & no. of components required Greenstar Danesmoor regular External & Greenstar Danesmoor System External series Part No. 125mm mm 175 Included with boiler 1 1 Top view Low-level rear Top view Low-level right 175mm 240mm TOP VIEW TOP VIEW 175mm FRONT FRONT 240mm Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor regular External & Greenstar Danesmoor System External series Part No. 125mm mm 175 Included with boiler 1 Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor regular External & Greenstar Danesmoor System External series Part No. 125mm mm 175 Included with boiler

53 Plume management terminal positioning All measurements in millimetres ±45 2,500 Flue exhaust outlet Air intake Balcony Boundary Window Window 600 Door 600 Window Drainpipe 5 Note All measurements are the minimum clearances required Terminals must be positioned so as to avoid combustion products entering the building Support the flue at approximately one metre intervals and at a change of direction. Use suitable brackets and fittings. Key to illustration mm distance to a boundary, unless it will cause a nuisance. BS 5410: Part 1 recommends that care is taken when siting terminals in relation to boundaries. 2. Internal/external corners the air intake can be reduced to 150mm providing the flue exhaust outlet has a 300mm clearance. 3. Vertical sanitary pipe: 25mm to the flue air intake and 300mm to the flue exhaust outlet. 4. Clearance no less than 200mm from the lowest point of the balcony or overhang, installations in car ports are not recommended. 5. 1,200mm from an opening in a car port on the same wall i.e. door or window leading into dwelling. 600mm to a surface facing a terminal. 6. Using a plume management kit, the air intake measurement can be reduced to 150mm providing the flue exhaust outlet has a 600mm clearance. Plume kits running horizontally must have a 10º fall back to the boiler for proper disposal of condensate. For details on specific lengths see relevant boiler Technical & Specification manual. 7. 2,500mm between air intake and facing terminal. 53

54 Plume management system options (internal models) Greenstar Danesmoor regular, Danesmoor System & Danesmoor WM series At least 1,500mm from any opening in the building V 45 Condensfit II plume management system components 80mm diameter Part No. Description Plume terminal Direction of flue products, the angle of the terminal bend must be more than 45 from the wall or structure Opening in the building i.e. air brick, window Plume management kit ,000mm extension º bend º bend (pair) Standard plume management system The flue terminal outlet has built-in stops to limit rotation for horizontal fluing to allow condensate to run back into the boiler for safe disposal. Do not attempt to force beyond the limit stops. Re-directing flue discharge from an 80mm dia. plume management outlet Plume management system measuring Note: All boilers have a maximum permissible plume management length see table below. All plume management sections must rise by at least 173mm per metre (10º) from the terminal to ensure that condensate flows back into the boiler. L (max) 500mm (min) (M) 5,000mm (max) (M) 500mm (M) L (max) Flue length (L) Max. number of bends Plume length (M) Max. number of bends 160-2,000mm ,000mm 3 2,001-3,000mm ,500mm 3 3,001-4,000mm ,000mm 3 54 Additional bends Adding bends to the plume management system reduces the actual plume management length. Each bend has an equivalent straight length and must be factored into the overall effective length. 90 bend is equivalent to 1,000mm 45 bend is equivalent to 500mm.

55 Plume management system with extensions and two 45º bends Plume management system with extensions Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor regular, Danesmoor System, Danesmoor WM & Danesmoor regular External, Danesmoor System External series Part No. 80mm mm 5, Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor regular, Danesmoor System, Danesmoor WM & Danesmoor regular External, Danesmoor System External series Part No. 80mm mm 5, Plume management system with extensions and 45º bend Greenstar Danesmoor regular External & Danesmoor System External series The plume management kit can be used on the Greenstar Danesmoor regular and System External models in conjunction with the external low level horizontal flue kit. ±45 Components Maximum lengths (mm) & no. of components required Greenstar Danesmoor regular, Danesmoor System, Danesmoor WM & Danesmoor regular External, Danesmoor System External series M Part No. 80mm mm 5, Min. 150mm Plume length (M) Max. number of bends 500-5,000mm 2 55

56 Conventional flue Open (conventional) flued appliances must not be installed in a bedroom, bathroom or bedsitting room. The flue system must be in accordance with BS 5410 and the current Building Regulations. The flue must be constructed of materials suitable for use with condensing combustion products. External flue systems must be of the insulated type. Brick and masonry chimneys must be lined with a suitable non-combustible material and properly jointed to withstand the effects of the working temperature (minimum rating of material 120 C) of the appliance and any condensate which may form. All flue joints must be sealed to prevent the leakage of condensate and combustion products. Ensure that joints are made so that the condensate runs away and is not collected within the joint. NOTE: The flue can be increased in size from the boiler take off point providing the joint is correctly sealed. Never reduce the flue diameter from the boiler take-off point. To convert the appliance to a conventional flue system the vertical flue adaptor needs to be specified: 100mm diameter 130mm diameter Part No Part No Danesmoor WM is not suitable for CF. Description Greenstar Danesmoor CF flue adaptor kit Description Greenstar Utility regular CF flue adaptor kit The flue must be constructed of materials suitable for the use of condensing combustion products. D E Conventional flue sizing Output Diameter 12/18 100/103mm 18/25 100/103mm 25/32 100/103mm 32/50 130mm 50/70 130mm Because the flue operates at a lower temperature on a condensing boiler compared to that of a conventional appliance, the flue draught will be lower. Typically the draught will be between 0.5mmwg and 4.4mmwg, measured with the flue warm but the burner not firing. The actual figure will vary depending on weather conditions, flue height and position. The flue should be vertical and contain as few bends as possible. A maximum of two 135 bends should be used. The flue outlet must be extended beyond the eaves of the building and, where possible, above the apex. Fit a suitable anti down-draught terminal where down draughts are experienced. C B A A Boiler B Flue C Maximum 2 bends at 135º D Anti down-draught terminal E Chimney 56

57 Oilfit flexible flue liner The Oilfit flexible flue liner allows installation into a position where a standard efficiency appliance had previously been installed. It achieves this by enabling a Greenstar condensing boiler to be open-flued up a chimney. The continuous flexible flue is installed from the roof, providing a condensate-proof lining for the chimney. A roof terminal, extension pieces and a flue adaptor are all included within the kit. Conventional flexible flue liner kit 100mm dia. Oilfit flexible flue liner kit Greenstar Danesmoor regular & Danesmoor System 1 x chimney cowl 1 x terminal 1 x support collar 1 x support bracket assembly 1 x centralising spacer 1 x flexible to rigid adaptor kit (includes liner & seal) 1 x flexible liner 1 x rigid to flexible adaptor kit (includes liner & seal) Part No (8m) Part No (12m) 130mm dia. Oilfit flexible flue liner kit Greenstar Utility regular 32/50 & 50/70 models 1 x chimney cowl 1 x terminal 1 x support bracket assembly 1 x centralising spacer 1 x flexible to rigid adaptor kit (includes liner & seal) 1 x flexible liner 1 x rigid to flexible adaptor kit (includes liner & seal) Part No (8m) Part No (12m) Part No (15m) Greenstar Danesmoor regular and Danesmoor System flexible flue liner components 100mm diameter Part No. Description Oilfit flexible flue liner kit (8m) Oilfit flexible flue liner kit (12m) ,000mm extension kit* mm extension kit* Telescopic extension* º bend* Conventional vertical flue kit Wall cover plate kit Greenstar Utility regular flexible flue liner components Part No. Description 130mm diameter *Stainless steel Oilfit flexible flue liner kit (8m) Oilfit flexible flue liner kit (12m) Oilfit flexible flue liner kit (15m) ,000mm extension kit* mm extension kit* Telescopic extension* º bend* Conventional vertical flue kit Wall cover plate kit Not for use with Greenstar Danesmoor WM boilers. Model Flue diameter Maximum flue length Greenstar Danesmoor regular and Danesmoor System series 12/18 100mm 12,000mm 18/25 100mm 12,000mm 25/32 100mm 12,000mm Greenstar Utility regular series 32/50 130mm 15,000mm 50/70* 130mm 15,000mm *For 70kW adjust the first and second stage pump pressure to 125psi. 57

58 Typical installations Open (conventional) flued appliances must not be installed in a bedroom, bathroom or bed-sitting room. G Before installation commences it must be checked that: The chimney is structurally sound and free of obstructions The chimney has been thoroughly swept to remove deposits since it was last used. The flexible flue pipe is only suitable for lining chimneys that conform to the Building Regulations and it should not be used as a chimney on its own or outside a masonry or flueblock chimney. F E L max All the flexible liner and adaptors must be within the chimney with rigid stainless steel flue pipe connecting to the boiler. The first 600mm of the stainless steel flue pipe off the boiler must be vertical with no bends or restrictions. C D ** There must be at least a 25mm clearance between the stainless steel flue pipe and any combustible material. A B The data label must be secured onto the chimney or chimney hearth using the plate provided. If it is not possible to attach the plate to the chimney, the plate can be attached, in a visible position, next to the electricity consumer unit. Do not attach the data plate or label to the flue system. The terminal should not be modified and an extra cowl or cover must not be fitted. The boiler is designed so that any rain that enters the flue will be directed down to the condensate drain. A Boiler B Stainless steel vertical section (min. 600mm) C Maximum 2 bends at 45 D Fire stop plate/inspection plate E Centralising spacer F Flexible liner G Chimney cowl Calculating the length: L maximum = boiler maximum minus 1m*. (Each 45º bend has a 0.5m equivalent flue length) *If the chimney has an additional offset, then L will be reduced by an extra metre. **The top 45º bend may not be required if there is sufficient room in the chimney to turn the flexible liner through 45º within the chimney. The stainless steel section must be adequately supported. 58

59 Greenstar system & regular oil-fired boiler accessories Digital plug-in 7 day twin channel programmer (kitchen models only) CondenseSure auxiliary siphon Greenstar System Filter NEW NEW Worcester Part No Worcester Part No Worcester Part No Greenstar Oilfit internal flue system Greenstar Danesmoor regular, Greenstar Danesmoor System, Greenstar Danesmoor WM & Greenstar Utility regular internal series Standard telescopic flue kit (125mm dia.) Short telescopic flue kit (125mm dia.) Standard flue kit (150mm dia.) Vertical flue kit (125mm dia.) Greenstar Danesmoor models Worcester Part No Worcester Part No Worcester Part No Worcester Part No Vertical flue kit (150mm dia.) Greenstar Utility regular 1,000mm flue extension (125mm dia.) 600mm flue extension (125mm dia.) Infill plate kit for high level horizontal flues Worcester Part No Worcester Part No Worcester Part No Worcester Part No

60 Greenstar Oilfit internal flue system continued Greenstar Danesmoor regular, Greenstar Danesmoor System, Greenstar Danesmoor WM & Greenstar Utility regular internal series 1,000mm flue extension (150mm dia.) 45º bend (125mm dia.) 45º bend (150mm dia.) 90º bend (125mm dia.) Worcester Part No Worcester Part No Worcester Part No Worcester Part No º bend (150mm dia.) Conventional vertical flue kit (130mm dia.) Greenstar Utility regular series Conventional vertical flue kit (100mm dia.) Greenstar Danesmoor regular & Danesmoor System Flat roof flashing kit (100mm & 125mm dia.) Worcester Part No Worcester Part No Worcester Part No Worcester Part No Pitched roof flashing kit (100mm & 125mm dia.) Stainless steel flue terminal guard (125mm dia.) Stainless steel flue terminal guard (150mm dia.) Worcester Part No Worcester Part No Worcester Part No

61 Greenstar Oilfit flexible flue kit accessories Greenstar Danesmoor regular, Greenstar Danesmoor System & Greenstar Utility regular internal series Oilfit flexible flue kit Stainless steel 1,000mm extension kit Stainless steel 500mm extension kit Stainless steel telescopic extension Worcester Part No. 100mm dia (8m) (12m) 130mm dia (8m) (12m) (15m) Worcester Part No. 100mm dia mm dia Stainless steel 45º bend Worcester Part No. 100mm dia mm dia Wall cover plate kit Worcester Part No. 100mm dia mm dia Worcester Part No. 100mm dia mm dia Worcester Part No. 100mm dia. flue mm dia. flue Greenstar Oilfit low level external flue system Greenstar Danesmoor regular External & Greenstar Danesmoor System External series Low level horizontal flue kit (125mm dia.) 90º bend* (125mm dia.) Stainless steel flue terminal guard Included with external boilers Worcester Part No * Used inside boiler when fluing to the side Worcester Part No

62 Plume management accessories Greenstar Danesmoor regular, Greenstar Danesmoor System, Greenstar Danesmoor WM, Greenstar Utility regular internal, Greenstar Danesmoor regular External & Greenstar Danesmoor System External series Plume management kit (80mm dia.) 1,000mm extension (80mm dia.) 45º bend (80mm dia.) 90º bend (80mm dia.) Worcester Part No Worcester Part No Worcester Part No Worcester Part No

63 The total training experience Worcester expertise that will build your skills Worcester has always placed great emphasis on technical Mobile training support and training for installers and service engineers. To complement our training venues across the country, Advances in heating technology, including the increasing use we can also bring training to you. of renewables, make the need for training greater than ever. We have mobile vehicles fully equipped with operational To ensure the highest levels of competence and expertise Greenstar gas-fired boilers, dry strip-down models and even in the installation of all Worcester products, we run a Greensource air to air heat pump, ensuring that quality intensive training courses for installers, commissioning training in a comfortable environment can be achieved on engineers and operatives involved with servicing and your doorstep! fault-finding. We have a 7.5 tonne mobile oil vehicle available Courses available throughout the country for hands-on product training Our training facilities offer a number of courses suitable and OFTEC assessments. for the installer and commissioning engineers, and more in-depth courses for the servicing and fault-finding engineers. Distance learning/web based learning Worcester has produced a selection of Distance Learning Training centres throughout the UK CD ROMs/DVDs which are packed with information. To enable us to meet the growing demand for training we Call for your copies, or visit have invested in additional facilities at the award-winning for information training academy at our Worcester headquarters. In addition on Web Based Learning. to the original academy there is now a new 400m2 unit, 25% of which is devoted to an open-plan domestic training area Get on course for a more profitable future now. with life-size single-storey brick buildings. These feature working Greenskies solar thermal systems which enable Training centres T installers to get up onto the roof of the building to get College links training centres more realistic training. There are bays full of all Greenstar appliances, so installers can really get to grips with the Elgin importance of system design. The additional space also contains dedicated training areas for our renewable and Dundee future products. The training centre also runs certified domestic and commercial ACS training and assessment. Johnstone Borders Further academies are located at West Thurrock in Essex, Ayr Wakefield and Clay Cross in Derbyshire, all offering our full Durham suite of courses. Please phone for more Belfast information about a course near you. Each course is run by specialist trainers and is superbly equipped to deliver a combination of classroom theory and practical hands-on Burnley Wakefield W Dublin Clay Cross experience that s second to none. Wrexham Worcester College-linked Learning Tredegar West Thurrock As well as offering training at our own centres, Worcester has established close partnerships with many colleges Cambridge Wiltshire around the UK, equipping them with our latest products. Call us on to find out when we will be Camborne Paignton running the course of your choice at a college in your area. Call now for more information

64 Oil-fired product courses Worcester s oil manufacturing heritage stretches back to the foundation of the company in Since then, we have built a strong reputation for not only manufacturing products at the highest levels of quality and reliability, but also for training installers, commissioning engineers and operatives. Our oil-fired boiler training courses are extensive, covering areas such as dismantling a jet burner, setting oil pump pressures, maintaining a condensate trap, the relationship between air and oil supplies, as well as the detection of intermittent faults. Our advanced fault-finding course has been designed for installers and heating engineers who are already knowledgeable on our range of oil-fired products. Our expert trainers will further increase your experience, whilst also providing a strong understanding of fault-finding techniques. A requirement of Building Regulations Part L (England and Wales) and Part J (Scotland) is that every boiler installation must be self-certified by an installer who is OFTEC registered. Worcester can offer this OFTEC training, with a variety of courses to choose from. Oil-fired condensing boiler course Greenstar Danesmoor and Heatslave II high efficiency condensing oil-fired boiler training. Oil advanced fault-finding. OFTEC training and assessment courses OFTEC 50. OFTEC 101 & 105e, OFTEC 600a and OFTEC 101/105e/600a. Oil-fired Course Oil Advanced Fault Finding OFTEC 50 OFTEC 101 & 105e OFTEC 600a OFTEC 101/ 105e/600a Duration 1 Day 1 Day 5 Days 4 Days 1 Day 4 Days Cost Free* Training course covers Specification A preparatory Installation Commissioning Servicing Maintenance Course locations course for OFTEC assessment courses. (Price of course includes all necessary OFTEC text books). Domestic/light commercial pressure jet commissioning, servicing and boiler installation Oil tank installation and associated controls Combined OFTEC 101, 105e and 600a courses Worcester Clay Cross Wakefield West Thurrock College Links Mobile * A holding fee of 65 applies to free courses and is refunded on attendance of the course. If a booking is cancelled more than 10 working days before the course date, the fee will be fully refunded. The fee is non-refundable if a cancellation is made less than 10 working days before the course date. Please contact Worcester Training for specific colleges and mobile dates. To complement the above courses, Worcester also runs unvented, water treatment, Domestic ACS training and assessment, IDHEE domestic heating design, MCS Made Easy and Green Deal courses. Please note: to attend OFTEC courses you must have a minimum of 12 months experience installing/servicing oil boilers or have attended an OFTEC 50 course. For candidates with limited oil experience, our Greenstar one day oil-fired course offers pre-oftec training. Consult with the trainer at the end of the session to see if you are ready to undertake OFTEC assessment. For experienced oil technicians, training is not a pre-requisite for OFTEC assessment. 64

65 Additional product and industry training courses The diversity of products in today s heating industry gives you the opportunity to expand your expertise, whilst offering more choice to your customers. Worcester provides comprehensive training from all its academies on its entire range of technologies. We are here to provide you with training and assistance for all areas of your business, not just product training. Call us on to order a full course training brochure or to book yourself onto a training course, alternatively, you can visit Gas-fired condensing boiler courses Greenstar CDi Classic gas-fired condensing combi boilers. Greenstar CDi Compact and NEW Greenstar Si Compact gas-fired condensing combi boilers. Greenstar i Junior gas-fired condensing combi boilers. Greenstar system & regular gas-fired condensing boilers (covers NEW Greenstar 27Ri & 30Ri, Greenstar 12Ri-24Ri, Greenstar CDi Classic Regular, Greenstar FS CDi Regular, Greenstar 30CDi Classic System, NEW Greenstar 27i & 30i System and Greenstar 12i-24i System boilers). Greenstar Highflow CDi & FS CDi Regular floor standing gas-fired condensing combi and regular boilers. Renewable product courses Renewables overview. Greenskies solar. Greenskies advanced solar. Introduction to heat pumps. Greenstore LECP ground source heat pumps. Greensource air to air heat pumps. Greensource air to water heat pumps. Greensource split air to water heat pumps. Greenstar Plus hybrid heat pumps. Accessories training courses Worcester controls. Worcester commercial product courses Greenspring CWi47 water heater. GB162 overview. GB162 domestic. GB162 commercial. Greenstar Heat Distribution Unit. Commercial ACS training and assessment CODNCO1. Bosch commercial product courses GB312 & GB402 overview. Solar thermal product overview. GWPL Gas Absorption Heat Pumps overview. CHP overview. Commercial controls overview. Industry focused courses Hot water systems & safety. Chemical water treatment. Construction skills F-Gas training/ assessment certification. IDHEE domestic heating design. Domestic ACS training and assessment reassessment. CCN1 + 3 appliances. MCS Made Easy. Green Deal. 65

66 A complete after-sales service As part of the worldwide Bosch Group, Worcester strives to maintain the highest possible standards of after-sales care. In addition to the no-nonsense parts and labour guarantee applicable to all Worcester products, you and your customers have the assurance that every Worcester product is manufactured to both the appropriate British and European standards. Worcester Contact Centre Should you require support, our award winning Contact Centre team, based at our head office in Worcester, are ready to take your calls. Whatever your query our contact centre operators along with our nationwide team of engineers are ready to help you. Tel: All the technical advice you need Spares Genuine replacement parts for all supported Worcester products are readily available from stock, or on a next day delivery basis. Visit our website to find your local stockist. Customer Technical Support The Worcester Technical Helpline is a dedicated phone line committed to providing a comprehensive service to complement the brand name and quality of our products. Our experienced team of technical experts provides answers to queries of a technical nature across the entire Worcester range. Opening times Monday Friday: 7.00am 8.00pm Saturday: 8.00am 5.00pm Sunday: 9.00am 12 noon Bank Holidays: 8.00am 4.30pm Worcester also has a pre-sales department, which provides assistance in selecting a heating system to suit a particular application, along with full guidance on installation. For more information please contact the Technical Helpline or alternatively visit our website where literature can be downloaded Technical Tel: Fax: technical.enquiries@uk.bosch.com Opening times Monday Friday: 7.00am 8.00pm Saturday: 8.30am 4.00pm Bank Holidays: 8.00am 4.30pm 66

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