- Worcester Bosch
Contents
1. 6720806549 03 1Wo Fig 4 To activate frost protection gt Leave power 10 switch on gt Turnthe central heating temperature control 6 to 3 4 1 FROST PROTECTION FOR THE HEATING SYSTEM If remote pipework is likely to be subject to freezing conditions gt Ensure the installer has fitted a frost thermostat in the area to protect the pipework from freezing gt Ensure the installer has added a suitable anti freeze fluid to the water in the central heating system GREENSTAR CDi CLASSIC REGULAR 6 720 815 726 2015 05 WORCESTER Bosch Group Operating the boiler 3 5 FAULT CONDITION In the event of a fault occurring while the boiler is in operation the reset button and the main fault indicator 5 will flash The display 1 will show an error code for error codes see table 4 on page 11 10 LER QO do Gana 40 OTD tO Coe 6720806549 04 1Wo Fig 5 To reset the boiler gt Press the reset button 2 for three seconds The reset button 2 and the ON OFF indicator 5 willstop flashing The boiler will function normally dependent on programmer and room thermostat settings If the fault cannot be cleared by pressing the reset button gt Refer to the fault finding section on page 10 of these user instructions gt Call Worcester Bosch Group giving a description of the fault and if possible the fault2. Flue blocked gt Ifitis safe to do so check your flue outlet for damage or blockages Desired room temperature Thermostatic radiator valve s settoolow gt Increase thermostatic radiator valve setting s is not reached on boiler set too low Temperature control for central heating flow gt Increase central heating flow temperature control setting Air trapped in heating system gt Bleed radiators and recharge heating system Low temperature setting on the boiler gt controls Increase settings on boiler controls Desired room temperature Radiators are too hot too high gt Turndown thermostatic radiator valves room thermostat gt Reduce central heating temperature by turning down the Central Heating control on boiler Heating stays on too long Clock is incorrectly set gt Check setting and adjust ON OFF Indicator is not illuminated Momentary power failure gt Disconnect boiler supply wait a few seconds then reconnect Table3 Fault finding 10 GREENSTAR CDi CLASSIC REGULAR 6 720 815 726 2015 05 CAORCESTER Bosch Group Maintenance 4 2 ERROR CODES the possible cause of the fault i When calling Worcester Bosch Group you may be asked for the error code This Table is for you to help identify gt Donottry to rectify any of the faults listed below by yourself gt Contact British Gas or a competent qualified engineer Gas Safe
3. request i e the Benchmark Checklist Acall out charge will be made where The boiler is outside the guarantee period Evidence cannot be provided that the first year service inspection has been carried out i e an entry in the Benchmark Checklist Our Field Service Engineer finds no fault with the boiler Thecause of breakdown is misuse or with other parts of your plumbing heating system or with equipment not supplied by Worcester Bosch Group Invoices for attendance and repair work carried out on this boiler by any third party will not be accepted TECHNICAL SUPPORT Li In the event of a boiler fault or breakdown please contact Worcester Bosch Group appointments team on 0330 123 9559 Your advisor will arrange for an engineer to call with the minimum of delay under normal circumstances this will be from 1 3 working days excluding weekends and bank holidays for priority breakdown situations no hot water and or heating No boiler fault is found on over 30 of all service calls In the case of a suspected fault refer to the fault finding section of this guide 7 TIPS ON ENERGY SAVING HEATING ECONOMICALLY The boiler is designed to provide a level of comfort while keeping gas consumption and the resulting environmental effect as low as possible The gas supply to the burner is controlled according to the level of demand for heat The boiler continues to operate with a low flame if
4. CDi CLASSIC REGULAR 6 720 815 726 2015 05 WORCESTER Bosch Group Operating the boiler 3 3 SETTING THE CENTRAL HEATING TEMPERATURE gt Turnthe central heating temperature control 6 to the desired level between approximately 35 C and 90 C gt When the burner is lit the burner indicator 9 underneath the ON OFF button shows green 6720806549 02 1Wo Fig 3 Position Central heating temperature 1 approx 35 C 2 approx 43 C 3 approx 50 C 4 approx 60 C 5 approx 67 C 6 approx 75 C max approx 90 C Table2 Settings for the central heating temperature 3 3 1 CONTROLLING THE CENTRAL HEATING Central heating systems must be controlled effectively using a programmer or timer and aroom thermostat gt For further information on how to control your central heating system please refer to the individual user guides for the programmer or timer installed in your home GREENSTAR CDi CLASSIC REGULAR 6 720 815 726 2015 05 Operating the boiler AWORCESTER Bosch Group 3 4 FROST PROTECTION FOR THE BOILER Activating frost protection will turn off the boiler and prevent heating of the central heating If the temperature within the boiler drops to 5 C the boiler will fire to avoid the possibility of freezing 2 al O doo Best o Oo r ams Cost ON au
5. deal of heat Consideration should be given to replacement with PVCu or wooden framed double glazing units CURTAINS Lined curtains or heavier full length curtains can provide excellent insulation However always ensure that the curtains do not drape over radiators GREENSTAR CDi CLASSIC REGULAR 6 720 815 726 2015 05 13 Environment disposal AWWORCESTER Bosch Group DRAUGHTS To ensure that draughts around doors windows letterboxes and keyholes etc are reduced by using a suitable draught excluder RADIATORS Often radiators are sited underneath a window The performance of the radiator will be affected if curtains are allowed to drape over radiator or shelves are fitted above it The temperature obtainable in any given room is dependent on all radiators being operated at the same time If you decide to turn off radiators in unused rooms spare bedrooms etc you may experience slightly lower room temperatures in rooms adjacent to unheated rooms 8 ENVIRONMENT DISPOSAL Environmental protection is a fundamental corporate strategy of the Bosch Group The quality of our products their economy and environmental safety are all of equal importance to us and all environmental protection legislation and regulations are strictly observed We use the best possible technology and materials for protecting the environment taking account of economic considerations PACKAGING We participate in the recy
6. NSTAR CDi CLASSIC REGULAR 6 720 815 726 2015 05 15 Worcester Bosch Group Cotswold Way Warndon Worcester WR4 9SW Tel 0330 123 9559 Worcester Bosch Group is a brand name of Bosch Thermotechnology Ltd worcester bosch co uk 6 720 815 726 WORCESTER BOSCH GROUP TECHNICAL SUPPORT 0330 123 3366 APPOINTMENTS 0330 123 9339 SPARES 0330 123 9779 LITERATURE 0330 123 9119 TRAINING 0330 123 0166 SALES 0330 123 9669 ANVORCESTER Bosch Group
7. USER INSTRUCTIONS WALL HUNG RSF GAS FIRED CONDENSING REGULAR BOILER GREENSTAR CDi CLASSIC REGULAR F P The appliance is for use with Natural Gas or L P G CAT II 2H3P type C13 amp C33 Natural Gas 30CDi Classic Regular GC number 41 406 33 AOCDi Classic Regular EP GC number 41 406 35 6 720 812 179 00 10 L P G 30CDi Classic Regular EP GC number 41 406 34 40CDi Classic Regular EP GC number 41 406 36 AAVORCESTER Bosch Group 6 720 815 726 2015 05 WORCESTER Preface Bosch Group PREFACE TABLE OF CONTENTS PLEASE READ THESE INSTRUCTIONS CAREFULLY These instructions are applicable to the Worcester Bosch 1 Key to symbols and safety instructions 3 Group boiler model stated on the front cover only 1 1 Key to symbols 3 These instructions apply in the UK IE only and must be followed 1 2 General safety instructions 3 except for any statutory obligation After installation please leave this User instruction Manual 2 Productdetails cece cece eee e eee 4 Installation Commissioning and Servicing Instructions and 2 1 General Information 4 completed Benchmark Checklist with the user 22 Product data o ae consumption D 4 DEDICATED TO HEATING COMFORT Thank you f hasing a G t fired condensi an you Opu CASTIG d ee BaS MTOE re 3 Operating the boiler c eee eees 5 regular boiler manufactured by Worcester Bosch Group The a4 C
8. Y CONSUMPTION The product data on energy consumption ErP can be found in the installation and maintenance instructions for contractors GREENSTAR CDi CLASSIC REGULAR 6 720 815 726 2015 05 WORCESTER Bosch Group Operating the boiler 3 OPERATING THE BOILER 3 1 CONTROLS A 10 0O 1 H88 Q 9 gt o jla E ne 7 pro ell 4 ES ii wi 6 fy CxO 5 6720806548 14 1Wo Fig 1 Control panel 1 Display 2 Reset button 3 Notused 4 Notused 5 ON OFF and fault indicator blue 6 Central heating temperature control 7 Performance test button 8 Service button 9 Burner indicator green 10 ON OFF button GREENSTAR CDi CLASSIC REGULAR 6 720 815 726 2015 05 5 WORCESTER Bosch Group Operating the boiler 3 2 SWITCHING THE BOILER ON OFF Switching on gt Switch on the boiler by pressing the ON OFF button 10 The ON OFF indicator 5 shows blue O Coe Coc 6720806549 01 1Wo Fig 2 between 4t and the central heating flow temperature il The boiler runs for 15 minutes at minimum heating output to fill the condensate trap The display alternates This occurs every time the mains supply has been interrupted Switching off gt Switch off the boiler by pressing the ON OFF button The ON OFF indicator light goes out GREENSTAR
9. antee cece eee e eee eee 14 10 Glossary is sisssiisracece sisaa tian ean sidiria 15 GREENSTAR CDi CLASSIC REGULAR 6 720 815 726 2015 05 CAORCESTER Bosch Group Key to symbols and safety instructions 1 KEY TO SYMBOLS AND SAFETY INSTRUCTIONS 1 1 KEY TO SYMBOLS WARNINGS A Warnings in this document are identified by a warning triangle printed against a grey background Keywords atthe start of a warning indicate the type and seriousness of the ensuing risk if measures to prevent the risk are not taken The following keywords are defined and can be used in this document e NOTE indicates a situation that could result in damage to property or equipment CAUTION indicates a situation that could result in minor to medium injury e WARNING indicates a situation that could result in severe injury or death DANGER indicates a situation that will result in severe injury or death IMPORTANT INFORMATION Li ADDITIONAL SYMBOLS This symbol indicates important information where there is no risk to people or property Symbol Explanation gt Step in an action sequence gt Cross reference to another part of the document List entry List entry second level Table 1 1 2 GENERAL SAFETY INSTRUCTIONS These installation instructions are intended for gas fitters plumbers heating engineers and electricians gt Read any installation instructions boil
10. cling programmes of the countries in which our products are sold to ensure optimum recycling All of our packaging materials are environmentally compatible and can be recycled USED APPLIANCES G gt All Greenstar gas boilers are 100 re cycleable The various assemblies can be easily dismantled and synthetic materials are marked accordingly Assemblies can therefore be sorted by composition and passed on for recycling 9 YOUR GUARANTEE This boiler has a guarantee against faulty materials or workmanship for a period of two years from the date of installation subject to the following terms and conditions During the period of this guarantee any components of the boiler which are proven to be faulty or defective in manufacture will be exchanged or repaired free of charge by Bosch Thermotechnology Ltd The householder may be asked to prove the date of installation that the boiler was correctly commissioned and where appropriate the first year s service has been carried out to the satisfaction of Bosch Thermotechnology Ltd when requested These should be documented as a part of the Benchmark Checklist The boiler has been used only for the normal domestic purposes for which it was designed This guarantee does not affect your statutory rights GUARANTEE REGISTRATION Your Greenstar boiler carries a two year guarantee against faulty material or manufacture subject to Terms and Conditions To read the full Ter
11. code from the seven segment display Alternatively contact other Gas Safe registered personnel for assistance GREENSTAR CDi CLASSIC REGULAR 6 720 815 726 2015 05 Maintenance WORCESTER Bosch Group 4 MAINTENANCE Your new Greenstar CDi Classic Regular gas fired appliance represents a long term investment in a reliable high quality product ErP In order to realise its maximum working life and to ensure it continues to operate at peak efficiency and performance it is essential that your boiler receives regular servicing and maintenance checks from a competent person beyond the initial 2 year guarantee period 4 1 FAULT FINDING If you would like to know more about a Worcester Bosch service contract please tick the appropriate box on your warranty registration card If your Greenstar CDi Classic Regular should fail to operate correctly or requires servicing please contact the Worcester Bosch Service Department see back page cover for details Details of the boiler including the Gas Council number can be found under the controls cover flap on the boiler This table gives information on basic operating system problems Problem Cause Remedy EA fault code flashingon No gas supply low gas supply pressure gt Contact your gas supplier display Condensate outlet blocked gt Ifitis safe to do so check your condensate pipe outlet for blockages such as ice or foreign objects
12. er heating controls etc carefully before starting the installation gt Observe the safety instructions and warnings gt Observe national and regional regulations technical rules and guidelines gt Record all work carried out IF YOU SMELL GAS Agas leak could potentially cause an explosion If you smell gas observe the following rules gt Prevent flames or sparks Donotsmoke use a lighter or strike matches Donot operate any electrical switches or unplug any equipment Donotuse the telephone or ring doorbells Turn off the gas at the meter Open windows and doors Warn your neighbours and leave the building Prevent anyone from entering the building Well away from the building call the National Gas Emergency Service on 0800 111 999 h a a Ven 7 y INTENDED USE This boiler must only be used as a heat appliance in a sealed hot water heating system for domestic purposes Any other use is considered inappropriate Any damage that results from such use is excluded from liability INSTALLATION COMMISSIONING AND SERVICING Installation commissioning and servicing must only be carried out by a competent Gas Safe registered engineer gt Carry outa gas tightness test after completing work on gas carrying components gt Only use original spares ELECTRICAL WORK Electrical work must only be carried out by a qualified electrician gt Before starting electrical work Isolate the mains electr
13. ical supply and secure against unintentional reconnection Check for zero potential gt Also observe connection diagrams of other system components GREENSTAR CDi CLASSIC REGULAR 6 720 815 726 2015 05 Product details WORCESTER Bosch Group HANDOVER TO THE USER When handing over instruct the user how to operate the heating system and inform him about its operating conditions gt Explain how to operate the heating system and draw the user s attention to any safety relevant action gt Explain that modifications and repairs must only be carried out by an authorised contractor gt Advise the user to have the system serviced annually by a competent Gas Safe registered engineer gt Leave the installation instructions with the completed Benchmark Checklist or a certificate confirming compliance with IS 813 Eire only and the operating instructions with the user or at the gas meter 2 PRODUCT DETAILS 2 1 GENERAL INFORMATION SERVICING Ensure that the service engineer completes the Service Record in the Benchmark Checklist after each service The Benchmark Checklist and service interval record can be found at the rear of the Installation Commissioning and Servicing Instructions G The boiler must be serviced regularly by a competent qualified person such as a Worcester service engineer or other Gas Safe registered engineer Always use original spares to help maintain the efficienc
14. ivity This is usually more frequent during the summer months CLEARANCES Your installer will have provided adequate space around the boiler for safety and servicing access an 30mm gt PE above elbow 7 i T i l i 1 D 600 mm i 20 mm i i 200 mm 6720648547 39 1Wo 1 P E E Fig 6 600 mm service clearance required to a fixed surface 20 mm from removable door or panel k gt Do not restrict this space with the addition of cupboards shelves etc around or next to the boiler VENTILATION This is aroom sealed boiler and does not require any air for combustion from inside the property If a compartment is built around the boiler after installation then this must be carried out as described in the Installation Manual 12 GREENSTAR CDi CLASSIC REGULAR 6 720 815 726 2015 05 WORCESTER Bosch Group Fault or Breakdown CAUTION Risk of damage to the boiler gt Do not operate the boiler if the flue terminal is obstructed or damaged in any way A 6 FAULT OR BREAKDOWN This boiler is supported in the UK and Eire by Worcester Bosch Group Specialist Service Engineers are available to attend a breakdown occurring on this boiler Li No charge will be made for parts and or labour providing A boiler fault is found and the boiler is within the guarantee period Reasonable evidence of this must be supplied on
15. ms amp Conditions please visit us on line at www worcester bosch co uk guarantee The Guarantee Registration form is available on this same page and can be completed and submitted electronically Alternatively please telephone one of our Guarantee Registration advisors on 0330 123 9559 Your statutory rights are not affected by the manufacturers guarantee FOR YOUR OWN RECORD Please ensure that the Benchmark Checklist has been completed by your installer or service engineer 14 GREENSTAR CDi CLASSIC REGULAR 6 720 815 726 2015 05 WORCESTER Bosch Group Glossary Model Serial No 2 Type size Date of installation Name of Installer Telephone number of Installer Table 5 1 See boiler identification label on boiler fascia or Benchmark Checklist in the back of the Installation Commissioning amp Servicing Instructions 10 GLOSSARY Central heating systems All radiators must be heated at an even rate If the top of a radiator is at a lower temperature than the bottom then it should be bled by releasing air through the bleed screw at the top of the radiator Ask your installer to show you how this is done This boiler is fitted to a sealed system Should water leaks be found or if excessive bleeding is required then a service engineer must be contacted to inspect the installation and rectify any fault Only additives that are compatible with aluminium may be used in the sys
16. on to flow This could be the open end of the pipe at a bend or elbow or where there is a sag in the pipe in which condensate can collect The location of the blockage should be identified as closely as possible before taking further action gt Thaw the frozen pipe The pipe can be thawed by applying a hot water bottle a microwaveable heating pack the sort used for muscular aches and pains or a cloth soaked in hot water to the exterior of the pipe close to the point of blockage Hot water but not boiling can also be poured onto the pipe from a watering can or similar container gt Once the pipe has been thawed the boiler must be reset press the reset button for five seconds and wait two to three minutes for the boiler to restart gt If the boiler does not restart contact Worcester Bosch Group Appointments Team on 0330 123 9559 gt Contact your installer in order to find a permanent solution to the problem 5 GENERAL NOTES PLUMING AND CONDENSATE DRAIN This is a condensing boiler and the flue terminal will at times give out a plume of water vapour This is quite normal The boiler also produces quantities of condensate which is discharged regularly via a pipe to drain This pipe must not be blocked or altered in any way PUMP ANTI SEIZURE If there has been no heating demand for 24 hours the boiler will run the system pump for a few seconds to reduce the possibility of pump seizure during long periods of inact
17. ontrol 5 company prides itself on manufacturing boilers to the strictest 32 a ita ih be i ee ff a Ra EE S quality control standards throughout every stage of i WILCAIME ME HOLET on o eee ee ga et 3 3 Setting the central heating temperature 7 production 3 3 1Controlling the central heating 7 Worcester Bosch group has led the field in innovative boiler 3 4 Frost protection for the boiler 8 design and performance for over 50 years This heritage means 3 4 1 Frost protection for the heating system 8 all our products are of exceptional quality and proven 3 5 Faultcondition cccccccccceecccceen 9 reliability The Greenstar range in particular is extremely energy efficient offering you economical running costs and value for money Itis 4 Maintenance sssssesseeeeeeeees 10 amongst the top energy rated appliances available 4 1 Faultfinding ss rareriiniresis 10 i AD EmOrCOJES srrrer rii ca ceawiee ewei ienei 11 There is also the reassurance of our no nonsense 5 years parts A3 Extreme cold weather 12 and labour guarantee backed up by Worcester Total Cover an Me ge eg ee ee meee ere optional complete maintenance scheme to keep your boiler operating at peak condition and efficiency 5 General notes 12 6 Fault or Breakdown seeeeeeeeeee 13 7 Tips on energy saving ceceeeeeee 13 8 Environment disposal 2 000 14 9 Your guar
18. registered personnel Error code Description b b1 Code plug not detected c6 F d too low ins an speed too low 9 E9 Safety temp limiter in CH flow has tripped EA Flame not detected ER If it safe to do so check for gasis on in the house frozen condensate pipe blocked flue outlet En FO Internal error 7 F7 Flame detected even though boiler switched off cA FA Flame detected after gas shut off E d Fd Reset button pressed by mistake Table4 Error codes GREENSTAR CDi CLASSIC REGULAR 6 720 815 726 2015 05 11 General notes WORCESTER Bosch Group 4 3 EXTREME COLD WEATHER In some instances where the condensate pipe work is run externally or in an unheated area such as a garage the condensate pipe work can be at risk of freezing even if well insulated A frozen blocked condensate pipe will cause the boiler to shut down WARNING Falling hazard Failure to follow this guidance may result in personal injury A gt Only attempt to thaw a condense pipe that is at ground level and that is easily accessible gt Never attempt to thaw a condense pipe that is at height CAUTION Pipe damage gt DO NOT use boiling water to thaw the condensate pipe A If the condensate pipe has frozen gt Locate the blockage It is likely that the pipe is frozen at the most exposed point outside the building or where there is an obstructi
19. tem Any incompatible additive used will invalidate the guarantee Pluming and Condensate drain This is a condensing boiler and the flue terminal will at times give out a plume of water vapour This is quite normal The boiler produces condensate which is discharged regularly by a syphon within the boiler via a plastic pipe to a drain This pipe must not be blocked or altered in any way Room thermostat programmer Aroom thermostat programmer must be fitted to control the central heating This controls the times and temperatures of the central heating preventing the boiler from firing unnecessarily Refer to the instructions supplied with the thermostat and programmer for further information Thermostatic radiator valves Thermostatic radiator valves must be fitted in sleeping accommodation It is recommended that this type of valve is fitted to all but one of the radiators The remaining radiator where the room thermostat is located must be uncontrolled and left open Pump over run function After the boiler has finished a demand for central heating or hot water the pump may continue to run for a short while to dissipate the heat from within the boiler Pump anti seizure If there has been no heating demand for 24 hours the boiler will run the system pump for a few seconds to reduce the possibility of pump seizure during long periods of inactivity SEDBUK Seasonal Efficiency of Domestic Boilers in the UK GREE
20. the demand of heat reduces The technical term for this is modulating control Modulating control reduces temperature fluctuations and provides even distribution of heat throughout the home This means that the boiler may stay on for relatively long periods but will use less gas than a boiler that continually switches on and off NEW CONTROL SYSTEMS Upgrade your heating control system if necessary with the latest equipment available The minimum level of control is a programmer interlocking room thermostat and thermostatic radiator valves CENTRAL HEATING SYSTEMS WITH ROOM THERMOSTATS AND THERMOSTATIC RADIATOR VALVES The central heating control on the boiler should be set to maximum rated temperature of the central heating system The temperature of each room can be set individually except room with the room thermostat using the thermostatic radiator valves If damaged replace the plastic tops used to adjust the thermostatic radiator valve It is also advisable to manually adjust all thermostatic radiator valves every 2 3 weeks to prevent them sticking ROOM THERMOSTATS Reducing the setting of the room thermostat by 1 C can reduce fuel consumption by up to 10 ROOF INSULATION Around 30 of the heat loss from a property is through the roof Replace any old insulation with new insulation preferably of around 200 mm thickness or more WINDOW FRAMES Single glazed windows particularly those with steel frames can loose a great
21. y safety and reliability of the boiler and have the Service Record completed in the Benchmark Checklist The completed Benchmark Checklist will be required in the event of any guarantee work and may be required by the local Building Control Inspector BENCHMARK STANDARD benchman The Benchmark initiative is a code of practice to encourage the correct installation commissioning and servicing of domestic central heating boilers THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS and system equipment A checklist is dispatched with every boiler This is a vital document that needs to be completed by the installer at the time of installation It confirms that the boiler has been installed and commissioned according to the manufacturer s instructions The log book provides space for the recording of regular servicing of the boiler heating system and this can become a valuable document when for example you wish to sell the property The log book will show a potential purchaser that the heating system has received regular professional maintenance and servicing during its lifetime The Benchmark initiative aims to Raise standards among professional installers Build and maintain high safety standards in the industry Improve customer satisfaction levels Makea contribution to the nation s commitment to climate change 2 2 PRODUCT DATA ON ENERG
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