Worcester GREENSTAR 30 HE Service Manual

Installation and Servicing Instructions GREENSTAR HE system Wall mounted condensing boiler for central heating 6 720 610 577-00.10 ZB 7-27 HE system

6 720 610 596 GB (01.07)10Details of the applianceCondensate analysis, mg/lFlue systemElbow - 90 ° Bend - 45 °Equivalent length 2 m Equivalent leng

6 720 610 596 GB (03.02)32Maintenance8 MaintenanceB The User should be recommended to have the appli-ance serviced regularly by a competent person (se

6 720 610 596 GB (03.02)Maintenance338.1 Pre-Service Check List Date1 Call up the last fault stored by the Bosch Heatronic, Service Function .0, (see

6 720 610 596 GB (03.02)34Maintenance8.2 Description of servicing operationsThe combustion performance must be checked before and after any servicing

6 720 610 596 GB (03.02)Maintenance35B Flush the heat exchanger from the top. Refer to fig. 55.B Clean out the condensate collector and trap connec-ti

6 720 610 596 GB (03.02)36MaintenanceDiaphragm in mixer unit B Open mixer unit (29).B Carefully withdraw diaphragm (443) from fan intake tube and chec

6 720 610 596 GB (03.02)Maintenance378.3 Replacement of Parts Before changing any components check that the gas is turned off and that the appliance i

6 720 610 596 GB (03.02)38Maintenance8.3.2 Fan Assembly Fig. 62B Switch off the appliance.B Disconnect the appliance from the power supply.B Undo lowe

6 720 610 596 GB (03.02)Maintenance39B Remove 3-way valve.Fig. 64After refitting:B Fill system, bleed and re-pressurise(see Installation Instructions)

6 720 610 596 GB (03.02)40Maintenance8.3.9 Pressure gaugeB Drain the appliance.B Lower the facia. Refer to fig. 63.B Twist the pressure gauge head ant

6 720 610 596 GB (03.02)Appendix419 Appendix9.1 Fault Codes More detailed fault finding procedures are described in the Service booklet for the Engine

6 720 610 596 GB (01.07)Installation regulations112 Installation regulationsGas Safety (Installation & Use) Regulations 1998: All gas appliances m

6 720 610 596 GB (03.02)42Appendix9.2 Short parts list9.3 Heating/hot water output settings (N.G.)9.4 Heating/hot water output settings (L.P.G)Key Des

6 720 610 596 GB (03.02)Appendix439.5 Operational Flow diagrams 9.5.1 Central heating functionFig. 67Mains switch ON.Fan min.speed for90 secs.Green li

AppendixAppendixEXCELLENCE COMES AS STANDARDWorcester Heat Systems Limited, Cotswold Way, Warndon, Worcester WR4 9SW.Telephone: (01905) 754624 Fax: (0

GB/IE Installation and Servicing Instructions R 28 HE system Wall mounted condensing boiler for central heating 6 720 611 441-00.1O ZB 7-28 R 28 HE Sy

6 720 611 443 GB (04.05) 2 Contents Contents Safety precautions 3 Symbols 3 1 Details of the appliance 4 1.1 EC Declaration of Conformity 41.2 St

6 720 611 443 GB (04.05) Safety precautions 3 Safety precautions If you smell gas B Turn off gas service cock at the meter. B Open windows and doors.

6 720 611 443 GB (04.05) 4 Details of the appliance 1 Details of the appliance 1.1 EC Declaration of Conformity This appliance is in accordance with

6 720 611 443 GB (04.05) Details of the appliance 5 1.4 Accessories • Standard horizontal flue kit at 100 mm outside diameter for flues up to 4 m in

6 720 611 443 GB (04.05) 6 Details of the appliance 1.6 Layout of appliance Fig. 2 4 Heatronic control 6 Heat exchanger safety temperature limiter 7

6 720 611 443 GB (04.05) Details of the appliance 7 1.7 Function (with optional extra motorised valve) Fig. 3 4 Bosch Heatronic control 6 Temperature

6 720 610 596 GB (01.07)12InstallationRepeated venting probably indicates a leak and this must be rectified to ensure the proper operation of the appl

6 720 611 443 GB (04.05) 8 Details of the appliance 1.8 Electrical wiring diagram Fig. 4 4.1 Ignition transformer 6 Temperature limiter, heat exchang

6 720 611 443 GB (04.05)Details of the appliance91.9 Technical dataUnits Natural gas PropaneMax. rated heat output net 40/30˚C central heating Max. ra

6 720 611 443 GB (04.05)10Installation regulationsCondensate analysis, mg/lFlue systemElbow - 90 ° Equivalent length 2 m Bend - 45 ° Equivalent lengt

6 720 611 443 GB (04.05)Installation113 Installation3.1 Important remarksB Appliance should only be installed in sealed central heating systems.B To a

6 720 611 443 GB (04.05)12InstallationFig. 5 System layout if using optional built-in diverter valve (This must be used in conjunction with an integra

6 720 611 443 GB (04.05)Installation13Fig. 7 System layout if using twin zone valves (S) planFig. 83.3 Siting the applianceRegulations concerning the

6 720 611 443 GB (04.05)14Installation3.4 Wall mounting frame assemblyB Take the wall mounting frame out of the package and screw together with 6 scre

6 720 611 443 GB (04.05)Installation15Condensate Termination and RouteThe appliance has a built-in syphonic condensate trap eliminating the need for e

6 720 611 443 GB (04.05)16InstallationFixing the applianceB Fit the washers onto the gas and water connections.B Lift the boiler onto the wall-mountin

6 720 611 443 GB (04.05)Installation173.8.1 Siting the Flue TerminalThe flue must be installed in accordance with BS 5440:1 and the Building Regulatio

6 720 610 596 GB (01.07)Installation13Cupboard/Compartment The appliance can be installed in a cupboard/compart-ment need for airing clothes providing

6 720 611 443 GB (04.05)18Installation3.8.2 Installation of the flueThe standard 100 mm diameter horizontal flue system is suitable for lengths up to

6 720 611 443 GB (04.05)Installation19Fig. 20 Flue with one extensionFig. 21 Flue with extensions Fig. 22 Flue componentsMaximum 1700mmClampFlueTurret

6 720 611 443 GB (04.05)20Installation3.8.3 Flue duct preparation and assemblyMeasure the flue length L. Refer to fig. 23, 24.Fig. 23 Flue length - re

6 720 611 443 GB (04.05)Electrical connections214 Electrical connectionsAll control and safety systems are built into the appli-ance.B Allow mains cab

6 720 611 443 GB (04.05)22Electrical connectionsB Secure cable in cable grommet by means of cable grip.Fig. 304.2 Wiring to your systemThe boiler is f

6 720 611 443 GB (04.05)Electrical connections23Fig. 32 A typical example of external 230v connection using a mid-position zone valve4.2.2 Internal 24

6 720 611 443 GB (04.05)24Commissioning5 CommissioningFig. 338.1 Pressure gauge15 Safety valve27 Automatic vent61 Reset button135 Master switch136 Tem

6 720 611 443 GB (04.05)Commissioning25B Before commissioning, the gas supply pres-sure must be checked at the gas supply pres-sure test point (see pa

6 720 611 443 GB (04.05)26Commissioning5.5 Appliances with optional plug-in diverter valve: Setting hot water temperatureB Set the hot water temperatu

6 720 611 443 GB (04.05)Individual settings276 Individual settings6.1 Mechanical settings6.1.1 Checking the size of the expansion vesselMaximum pressu

6 720 610 596 GB (01.07)14InstallationCondensate drainPrepare the condensate discharge system. Refer to fig. 11. The condensate drainage pipe should

6 720 611 443 GB (04.05)28Individual settings6.2 Settings on the Bosch Heatronic6.2.1 Operating the Bosch HeatronicThe Bosch Heatronic enables easy se

6 720 611 443 GB (04.05)Individual settings296.2.5 Setting the switching difference(Service Function 2.6)The switching difference is the permissible d

6 720 611 443 GB (04.05)30Converting the appliance to different gas types7 Converting the appliance to different gas typesThe setting is factory seale

6 720 611 443 GB (04.05)Converting the appliance to different gas types31B Turn the temperature control until the display shows 2. (= max. rated hea

6 720 611 443 GB (04.05)32Converting the appliance to different gas types7.2 Testing combustion air/flue gas at set heat output7.2.1 Testing the O2 or

6 720 611 443 GB (04.05)Maintenance338 MaintenanceB The User should be recommended to have the appli-ance serviced regularly by a competent person (se

6 720 611 443 GB (04.05)34Maintenance8.1 Pre-Service Check List Date1 Call up the last fault stored by the Bosch Heatronic, Service Function .0, (see

6 720 611 443 GB (04.05)Maintenance358.2 Description of servicing operationsThe combustion performance must be checked before and after any servicing

6 720 611 443 GB (04.05)36MaintenanceB Clean out the condensate collector and trap connec-tion (with other end of brush).Fig. 55B Refit the clean-out

6 720 611 443 GB (04.05)Maintenance37Diaphragm in mixer unit B Open mixer unit (29).B Carefully withdraw diaphragm (443) from fan intake tube and chec

6 720 610 596 GB (01.07)Installation15Connecting the flue duct y Fit flue duct connector onto appliance flue spigot.y Secure with the two screws suppl

6 720 611 443 GB (04.05)38Maintenance8.3 Replacement of Parts Before changing any components check that the gas is turned off and that the appliance i

6 720 611 443 GB (04.05)Maintenance398.3.2 Fan Assembly Fig. 62B Switch off the appliance.B Disconnect the appliance from the power supply.B Undo lowe

6 720 611 443 GB (04.05)40MaintenanceB Remove 3-way valve.Fig. 64After refitting:B Fill system, bleed and re-pressurise(see Installation Instructions)

6 720 611 443 GB (04.05)Maintenance418.3.9 Pressure gaugeB Drain the appliance.B Lower the facia. Refer to fig. 63.B Twist the pressure gauge head ant

6 720 611 443 GB (04.05)42Appendix9 Appendix9.1 Fault Codes More detailed fault finding procedures are described in the Service booklet for the Engine

6 720 611 443 GB (04.05)Appendix439.2 Short parts list9.3 Heating/hot water output settings (N.G)9.4 Heating/hot water output settings (L.P.G)Key Desc

6 720 611 443 GB (04.05)44Appendix9.5 Operational Flow diagrams 9.5.1 Central heating functionFig. 676 720 611 443-04.1O YesNoYesNoMainsswitchON.Gree

6 720 611 443 GB (04.05)Appendix45

6 720 611 443 GB (04.05)46Appendix

6 720 611 443 GB (04.05)Appendix47

6 720 610 596 GB (01.07)16Installation3.8.1 Siting the Flue TerminalThe flue must be installed in accordance with BS 5440:1 and the Building Regulatio

AppendixAppendixEXCELLENCE COMES AS STANDARDWorcester Bosch, Cotswold Way, Warndon, Worcester WR4 9SW.Telephone: (01905) 754624 Fax: (01905) 754619

GB/IE Users Instructions and Customer Care Guide R 25 & 30 HE combi Condensing boilerR 28 HE system Condensing boiler6 720 611 441-00.1O ZWB 7-25

2 Contents 6 720 610 577 GB (04.05) Contents Excellence comes as standard 3 Safety precautions 5 1 General notes 7 2 Controls 10 3 Operating the

3 Excellence comes as standard 6 720 610 577 GB (04.05) Excellence comes as standard Thank you for purchasing an R 25 & 30/R 28 condensing appli-

4 Excellence comes as standard 6 720 610 577 GB (04.05) EIRE ONLY The CE mark to indicates manufacture to EU safety requirements. This appliance must

5 Safety precautions 6 720 610 577 GB (04.05) Safety precautions Gas Safety (Installation and Use) Regulations 1998 It is the law that all gas applia

6 Safety precautions 6 720 610 577 GB (04.05) Health and safety B This appliance contains no asbestos products. B There is no potential hazard due to

7 General notes 6 720 610 577 GB (04.05) 1 General notes To get the best from your appliance please read these instruc-tions carefully. Sealed heatin

8 General notes 6 720 610 577 GB (04.05) Clearances Your installer will have provided adequate space around the appli-ance for safety and servicing a

9 General notes 6 720 610 577 GB (04.05) For further information contact Worcester Heat Systems Ltd. Technical Services Department. Hot and cold flow

6 720 610 596 GB (01.07)Installation173.8.2 Installation of the flueThe standard 100 mm diameter horizontal flue system is suitable for lengths upto 4

10 Controls 6 720 610 577 GB (04.05) 2 Controls 8.1 System Pressure gauge 61 Reset button 135 Master switch 136 Central heating temperature control 1

11 Operating the Appliance 6 720 610 577 GB (04.05) 3 Operating the Appliance 3.1 Preparation Turn on the gas cock (172). B Press in the handle and t

12 Operating the Appliance 6 720 610 577 GB (04.05) Check the central heating system pressure B The pointer on the pressure gauge (8.1) should be abo

13 Operating the Appliance 6 720 610 577 GB (04.05) 3.2 Switching the Appliance On/Off Switching on B Switch on the appliance at the master switch (

14 Operating the Appliance 6 720 610 577 GB (04.05) 3.3 Switching on the Central Heating B Turn the central heating temperature control to the desi

15 Operating the Appliance 6 720 610 577 GB (04.05) 3.5 R 25 & 30 Boilers: Setting the Hot Water Temperature Hot water temperature On R 25 &

16 Operating the Appliance 6 720 610 577 GB (04.05) ECO mode with demand detection, button is lit The demand detection function enables maximum gas a

17 Operating the Appliance 6 720 610 577 GB (04.05) 3.8 Fault Condition In the unlikely event of a fault occurring while the appliance is in operatio

18 Tips on saving energy 6 720 610 577 GB (04.05) 4 Tips on saving energy Heating economically The boiler is designed to provide a high level of com

19 General Information 6 720 610 577 GB (04.05) Hot water A lower setting on the hot water temperature control can result in considerable energy savi

6 720 610 596 GB (01.07)18InstallationFig. 17 Flue with one extensionFig. 18 Flue with extensions Fig. 19 Flue componentsMaximum 1600mmFlueTurretNo Cl

20 Maintaining your appliance 6 720 610 577 GB (04.05) 6 Maintaining your appliance Your new R 25 & 30/R 28 gas-fired appliance represents a long

21 Fault or breakdown 6 720 610 577 GB (04.05) 8 Fault or breakdown This product is supported in the UK by Worcester Heat Systems Ltd. – part of the

22Your guarantee6 720 610 577 GB (04.05)9 Your guaranteeThis appliance is guaranteed against faulty material or workman-ship for a period of 24 calend

23Guarantee registration6 720 610 577 GB (04.05)10 Guarantee registrationYou should complete and return the postpaid Guarantee Regis-tration Card with

11 Operating Instructions Quick ReferenceSwitching onSwitching the central heating onControlling the central heatingSet room thermostat to desired tem

6 720 610 596 GB (01.07)Installation193.8.3 Flue duct preparation and assemblyMeasure the flue length L. Refer to fig. 20, 21.Fig. 20 Flue length - r

6 720 610 596 GB (01.07) 2 Contents Contents Safety precautions 3 Symbols 3 1 Details of the appliance 4 1.1 EC Declaration of Conformity 41.2 Sta

6 720 610 596 GB (01.07)20Electrical connections4 Electrical connectionsAll control and safety systems are built into the appli-ance.y Allow mains cab

6 720 610 596 GB (01.07)Electrical connections21y Cut cable grommet to diameter of cable.Fig. 26y Feed cable through cable grommet and connect the mai

6 720 610 596 GB (01.07)22Electrical connections4.3 Wiring to your systemThe following diagrams show the wiring options for your system. Any other com

6 720 610 596 GB (01.07)Commissioning235 CommissioningFig. 308.1 Pressure gauge15 Safety valve27 Automatic vent61 Reset button135 Master switch136 Tem

6 720 610 596 GB (01.07)24Commissioningy Unscrew the condensation trap (358) and pull out, fill with approx. 1/4 l of water and refit. Refer to fig. 3

6 720 610 596 GB (01.07)Commissioning255.6 Pump anti-seize functionEvery time the pump is switched off, a timer is started. If after 24 hours the pump

6 720 610 596 GB (01.07)26Individual settings6 Individual settings6.1 Mechanical settings6.1.1 Checking the size of the expansion vesselMaximum pressu

6 720 610 596 GB (01.07)Individual settings276.2 Settings on the Bosch Heatronic6.2.1 Operating the Bosch HeatronicThe Bosch Heatronic enables easy se

6 720 610 596 GB (01.07)28Individual settings6.2.4 Setting the maxim CH flow temperature (Service Function 2.5)The maximum CH flow temperature can be

6 720 610 596 GB (01.07)Converting the appliance to different gas types297 Converting the appliance to different gas typesThe setting is factory seale

6 720 610 596 GB (01.07) Safety precautions 3 Safety precautions If you smell gas y Turn off gas service cock at the meter. y Open windows and doors.

6 720 610 596 GB (01.07)30Converting the appliance to different gas typesy Turn the temperature control until the display shows 2. (= max. rated hea

6 720 610 596 GB (01.07)Converting the appliance to different gas types317.2 Testing combustion air/flue gas at set heat output7.2.1 Testing the O2 or

6 720 610 596 GB (01.07)32Maintenance8 Maintenancey The User should be recommended to have the appli-ance serviced regularly by a competent person (se

6 720 610 596 GB (01.07)Maintenance338.1 Pre-Service Check List Date1 Call up the last fault stored by the Bosch Heatronic, Service Function .0, (see

6 720 610 596 GB (01.07)34Maintenance8.2 Description of servicing operationsThe combustion performance must be checked before and after any servicing

6 720 610 596 GB (01.07)Maintenance35y Flush the heat exchanger from the top. Refer to fig. 51.y Clean out the condensate collector and trap connec-ti

6 720 610 596 GB (01.07)36MaintenanceSiphony Unscrew the clip and disconnect the pipe to the siphon.y Remove the yellow plug to drain the siphon.y Uns

6 720 610 596 GB (01.07)Maintenance37y Lower the control box.y Unscrew earth lead.y Unscrew four fixing screws from cover plate. Refer to fig. 56.y P

6 720 610 596 GB (01.07)38Maintenance8.3.3 Pumpy Switch off the appliance.y Disconnect the appliance from the power supply.y Remove two switchbox fixi

6 720 610 596 GB (01.07)Maintenance398.3.6 Electrode assembly y Refer to section 8.2.y Use a new seal if the existing seal is damaged.8.3.7 Pressure

6 720 610 596 GB (01.07) 4 Details of the appliance 1 Details of the appliance 1.1 EC Declaration of Conformity This appliance is in accordance with

6 720 610 596 GB (01.07)40Appendix9 Appendix9.1 Fault Codes More detailed fault finding procedures are described in the Service booklet for the Engine

6 720 610 596 GB (01.07)Appendix419.2 Short parts listKey Description Qty GC Spare part number1 Sensor - Flue gas temp. 1 8 729 000 144 02 Sensor - CH

6 720 610 596 GB (01.07)42Appendix9.3 Heating/hot water output settings (N.G.)9.4 Heating/hot water output settings (L.P.G)Natural gas G20Display code

6 720 610 596 GB (01.07)Appendix439.5 Operational Flow diagrams 9.5.1 Central heating functionFig. 61Mains switch ON.Fan min.speed for90 secs.Green li

AppendixAppendixEXCELLENCE COMES AS STANDARDWorcester Heat Systems Limited, Cotswold Way, Warndon, Worcester WR4 9SW.Telephone: (01905) 754624 Fax: (0

Users Instructions and Customer Care Guide Greenstar HE combi Condensing boilerGreenstar HE system Condensing boiler6 720 610 577-00.10 ZWB 7-27 HE c

2 Contents 6 720 610 577 GB (01.07) Contents Excellence comes as standard 3 Safety precautions 4 1 General notes 6 2 Controls 9 3 Operating the Ap

3 Excellence comes as standard 6 720 610 577 GB (01.07) Excellence comes as standard Thank you for purchasing a Worcester Greenstar condensing appli

4 Safety precautions 6 720 610 577 GB (01.07) Safety precautions Gas Safety (Installation and Use) Regulations 1998 It is the law that all gas applia

5 Safety precautions 6 720 610 577 GB (01.07) Combustible materials y Do not store or use any combustible materials (paper, thin-ners, paints etc.)

6 General notes 6 720 610 577 GB (01.07) 1 General notes To get the best from your appliance please read these instruc-tions carefully. Sealed heatin

7 General notes 6 720 610 577 GB (01.07) Clearances Your installer will have provided adequate space around the appli-ance for safety and servicing

8 General notes 6 720 610 577 GB (01.07) Flow balancing using “ball-o-fix” type valves is recommended to avoid an excessive reduction in flow to indi

9Controls6 720 610 577 GB (01.07) 2 Controls8.1 System Pressure gauge61 Reset button135 Master switch136 Central heating temperature control170 Servic

10Operating the Appliance6 720 610 577 GB (01.07)3 Operating the Appliance3.1 PreparationTurn on the gas cock (172).y Press in the handle and turn it

11Operating the Appliance6 720 610 577 GB (01.07) Check the central heating system pressurey The pointer on the pressure gauge (8.1) should be about 1

12Operating the Appliance6 720 610 577 GB (01.07)3.2 Switching the Appliance On/OffSwitching ony Switch on the appliance at the master switch (I).The

13Operating the Appliance6 720 610 577 GB (01.07) 3.3 Switching on the Central Heatingy Turn the central heating temperature control to the desired

14Operating the Appliance6 720 610 577 GB (01.07)3.5 Combination Boilers: Setting the Hot Water TemperatureHot water temperatureOn combi models, the h

15Operating the Appliance6 720 610 577 GB (01.07) ECO mode with demand detection, button is litThe demand detection function enables maximum gas and w

6 720 610 596 GB (01.07) 6 Details of the appliance 1.6 Layout of appliance Fig. 2 4 Heatronic control 6 Heat exchanger safety temperature limiter 7

16Operating the Appliance6 720 610 577 GB (01.07)3.8 Fault ConditionIn the unlikely event of a fault occuring while the appliance is in operation: The

17Tips on saving energy6 720 610 577 GB (01.07) 4 Tips on saving energy Heating economicallyThe boiler is designed to provide a high level of comfort

18Tips on saving energy6 720 610 577 GB (01.07)Hot waterA lower setting on the hot water temperature control can result in considerable energy savings

19General Information6 720 610 577 GB (01.07) 5 General InformationCleaning the Outer CaseWipe down the outer case with a damp cloth. Do not use abras

20Service centres6 720 610 577 GB (01.07)7 Service centresWe have Service Centres situated throughout the country.If you have a service request simply

21Fault or breakdown6 720 610 577 GB (01.07) 8 Fault or breakdownThis product is supported in the UK by Worcester Heat Systems Ltd. – part of the Bosc

22Your Bosch guarantee6 720 610 577 GB (01.07)9 Your Bosch guaranteeThis appliance is guaranteed against faulty material or workman-ship for a period

23Guarantee registration6 720 610 577 GB (01.07) 10 Guarantee registrationYou should complete and return the postpaid Guarantee Regis-tration Card wit

11 Operating Instructions Quick ReferenceSwitching onSwitching the central heating onControlling the central heatingSet room thermostat to desired tem

Installation and Servicing Instructions GREENSTAR HE system Wall mounted condensing boiler for central heating 6 720 610 577-00.10 ZB 7-28 HE system

6 720 610 596 GB (01.07)Details of the appliance71.7 FunctionFig. 34 Bosch Heatronic control6 Temperature limiter, heat exchanger7 Testing point for g

6 720 610 596 GB (03.02) 2 Contents Contents Safety precautions 3 Symbols 3 1 Details of the appliance 4 1.1 EC Declaration of Conformity 41.2 St

6 720 610 596 GB (03.02) Safety precautions 3 Safety precautions If you smell gas B Turn off gas service cock at the meter. B Open windows and doors.

6 720 610 596 GB (03.02) 4 Details of the appliance 1 Details of the appliance 1.1 EC Declaration of Conformity This appliance is in accordance with

6 720 610 596 GB (03.02) Details of the appliance 5 1.4 Accessories • Standard horizontal flue kit at 100 mm outside diameter for flues upto 4 m in

6 720 610 596 GB (03.02) 6 Details of the appliance 1.6 Layout of appliance Fig. 2 4 Heatronic control 6 Heat exchanger safety temperature limiter 7

6 720 610 596 GB (03.02)Details of the appliance71.7 FunctionFig. 34 Bosch Heatronic control6 Temperature limiter, heat exchanger7 Testing point for g

6 720 610 596 GB (03.02)8Details of the appliance1.8 Electrical wiring diagramFig. 44.1 Ignition transformer6 Temperature limiter, heat exchanger9 Flu

6 720 610 596 GB (03.02)Details of the appliance91.9 Technical dataUnits Natural gas PropaneMax. rated heat output net 40/30˚C central heating Max. ra

6 720 610 596 GB (03.02)10Installation regulationsCondensate analysis, mg/lFlue systemElbow - 90 ° Equivalent length 2 m Bend - 45 ° Equivalent length

6 720 610 596 GB (03.02)Installation113 Installation3.1 Important remarksB Appliance should only be installed in sealed central heating systems.B To a

6 720 610 596 GB (01.07)8Details of the appliance1.8 Electrical wiring diagramFig. 44.1 Ignition transformer6 Temperature limiter, heat exchanger9 Flu

6 720 610 596 GB (03.02)12InstallationFig. 5 System layout if using built-in diverter valveFig. 6 System layout if using external diverter valveRVLV L

6 720 610 596 GB (03.02)Installation13Fig. 7 System layout if using twin zone valves (S) planFig. 83.3 Siting the applianceRegulations concerning the

6 720 610 596 GB (03.02)14Installation3.4 Wall mounting frame assemblyB Take the wall mounting frame out of the package and screw together with 6 scre

6 720 610 596 GB (03.02)Installation15Condensate Termination and RouteThe condensate connection on the Greenstar appli-ances is in 22 mm plastic. The

6 720 610 596 GB (03.02)16InstallationB Remove the plastic caps from the boiler connec-tions.Fig. 15Fixing the applianceB Fit the washers onto the gas

6 720 610 596 GB (03.02)Installation173.8.1 Siting the Flue TerminalThe flue must be installed in accordance with BS 5440:1 and the Building Regulatio

6 720 610 596 GB (03.02)18Installation3.8.2 Installation of the flueThe standard 100 mm diameter horizontal flue system is suitable for lengths upto 4

6 720 610 596 GB (03.02)Installation19Fig. 20 Flue with one extensionFig. 21 Flue with extensions Fig. 22 Flue componentsMaximum 1600mmFlueTurretNo Cl

6 720 610 596 GB (03.02)20Installation3.8.3 Flue duct preparation and assemblyMeasure the flue length L. Refer to fig. 23, 24.Fig. 23 Flue length - r

6 720 610 596 GB (03.02)Electrical connections214 Electrical connectionsAll control and safety systems are built into the appli-ance.B Allow mains cab

6 720 610 596 GB (01.07)Details of the appliance91.9 Technical dataUnits Natural gas PropaneMax. rated heat output net 40/30 °C central heating Max. r

6 720 610 596 GB (03.02)22Electrical connections4.2 Mains Voltage external controls connectionsFig. 314.3 Wiring to your systemThe following diagrams

6 720 610 596 GB (03.02)Commissioning235 CommissioningFig. 338.1 Pressure gauge15 Safety valve27 Automatic vent61 Reset button135 Master switch136 Tem

6 720 610 596 GB (03.02)24CommissioningB Before commissioning, the gas supply pres-sure must be checked at the gas supply pres-sure test point (see pa

6 720 610 596 GB (03.02)Commissioning255.5 Appliances with optional plug-in diverter valve: Setting hot water temperatureB Set the hot water temperatu

6 720 610 596 GB (03.02)26Individual settings6 Individual settings6.1 Mechanical settings6.1.1 Checking the size of the expansion vesselMaximum pressu

6 720 610 596 GB (03.02)Individual settings276.2 Settings on the Bosch Heatronic6.2.1 Operating the Bosch HeatronicThe Bosch Heatronic enables easy se

6 720 610 596 GB (03.02)28Individual settings6.2.4 Setting the maxim CH flow temperature (Service Function 2.5)The maximum CH flow temperature can be

6 720 610 596 GB (03.02)Converting the appliance to different gas types297 Converting the appliance to different gas typesThe setting is factory seale

6 720 610 596 GB (03.02)30Converting the appliance to different gas typesB Turn the temperature control until the display shows 2. (= max. rated hea

6 720 610 596 GB (03.02)Converting the appliance to different gas types317.2 Testing combustion air/flue gas at set heat output7.2.1 Testing the O2 or