Bosch Appliances C13 Boiler User Manual
Contents
1. Reduce flow rate at tap Hot water temperature too high Temperature set too high Check setting IORCESTER WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi FAULT FINDING ng 6 720 611 928a 02 05 Bosch Group FAULT OR BREAKDOWN This appliance is supported in the UK by Worcester Bosch Group Specialist factory trained Service Engineers are available to attend a breakdown occurring on this appliance No charge will be made for parts and or labour providing gt An appliance fault is found and the appliance has been installed within the past 24 months Reasonable evidence of this must be supplied on request i e the Benchmark Checklist A call out charge will be made where gt The appliance has been installed for over 24 months OR gt Evidence cannot be provided that the first year service inspection has been carried out ie an entry in the Benchmark Checklist OR gt Our Field Service Engineer finds no fault with the appliance see Note OR gt The cause of breakdown is misuse or with other parts of your plumbing hea ting system or with equipment not sup plied by Worcester Bosch 20 FAULT OR BREAKDOWN WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi A IorcESTER 6 720 611 928a 02 05 Bosch Group FAULT OR BREAKDOWN Note NO APPLIANCE FAULT IS FOUND ON OVER 30 OF ALL SERVICE CALL OUTS Please read this guide carefully to gain a good understandin2. 2 3 months to prevent them sticking It is also important that the plastic tops of all valves are always in position and not cracked or damaged to prevent acci dents Care should be taken when vacu um cleaning carpets to avoid damage to valves and pipework The heating system and the outputs of the radiators have been carefully selec ted by your installer The temperature obtainable in any given room is depen dent 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 AAIorcester WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi TIPS ON ENERGY Bosch Group 6 720 611 928a 02 05 SAVING MAINTAINING YOUR APPLIANCE Your new Greenstar 25CDi 30CDi 35CDi 40CDi gas fired appliance repre sents a long term investment in a reliab le high quality product In order to realise its maximum working life and to ensure it continues to opera te 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 If you would like to know more about a Worcester Bosch service contract plea se tick the appropriate box on your war ranty registration card If your Greenstar 25CDi 30CDi 35CDi 40CDi should fail to operate cor rectly or requires ser
3. 611 928a 02 05 APPLIANCE x F gt Go E Ee gt u z E a eg lt Heating economically The boiler is designed to provide a high level of comfort while keeping gas con sumption and the resulting environmen tal effect as low as possible The gas supply to the burner is controlled accor ding to the level of demand for heat The boiler continues to operate with a low flame if the demand for heat redu ces The technical term for this process is modulating control Modulating con trol 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 an appliance that continually switches on and off TIPS ON ENERGY SAVING Central heating systems with room thermostats thermostatic radiator valves The central heating control on the boiler should be set to the maximum rated tem perature of the central heating system The temperature of each room can be set individually except primary room with the room thermostat using the thermo static radiator valves Roof insulation Around 30 of the heat loss from a pro perty is through the roof Replace any old insulation with new insulation prefe rably of around 200 mm thickness or more Window frames Single glazed windows particularly those with steel frames can lose a great deal of heat Consideration should be given
4. Bosch The com pany prides itself on manufacturing boi lers to the strictest quality control stan dards throughout every stage of produc tion Worcester Bosch has led the field in innovative appliance design and per formance for more than 40 years This heritage means all products are of exceptional quality and proven reliability The Greenstar range in particular is extremely energy efficient converting up to 97 of gas consumed into heat offe ring you economical running costs and value for money It sits in SEDBUK Band A and is therefore amongst the top energy rated appliances available There is also the reassurance of our no nonsense 2 years parts and labour gua rantee backed up by Worcester Total Cover an optional complete maintenan ce scheme to keep your boiler operating at peak condition and efficiency To find out more about Worcester Bosch log onto www worcester bosch co uk D EXCELLENCE COMES WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi NoRCESTER ASSTANDARD 6 720 611 928a 02 05 Bosch Group IF YOU SMELL GAS x x DON T SMOKE OR STRIKE MATCHES DON T TURN ELECTRICAL SWITCHES ON OR OFF DO PUT OUT NAKED FLAMES DO OPEN DOORS AND WINDOWS DO KEEP PEOPLE AWAY FROM THE AREA AFFECTED DO TURN OFF THE CONTROL VALVE AT THE METER TELEPHONE YOUR GAS COMPANY SAFETY PRECAUTIONS BENCHMARK STANDARD benchmark Benchmark is a code of practice for correctly installing commiss
5. 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 which is usually more frequent during the summer months IORCESTER WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi GENERAL NOTES Bosch Group 6 720 611 928a 02 05 INTRODUCTION a Lu a ZS EE z Ka 5 lt CONTROLS MASTER SWITCH FOR ON OFF B MAINS ON OFF INDICATOR FAULT DIAGNOSTIC LIGHT CENTRAL HEATING TEMPERA TURE CONTROL BURNER ON INDICATOR LIGHT GREEN FAULT RESET BUTTON SERVICE BUTTON DOMESTIC HOT WATER TEMPE RATURE CONTROL K L 6 720 611 928 01 10 ECO BUTTON DOMESTIC HOT WATER PRE HEAT ON OFF SYSTEM PRESSURE GAUGE POSITION FOR OPTIONAL PROGRAMMER DISPLAY CENTRAL HEATING BOOST BUTTON HOLIDAY BUTTON D CONTROLS WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi AWIorcESTER Bosch Group 6 720 611 928a 02 05 OPERATING THE APPLIANCE SWITCHING THE APPLIANCE ON OFF Switching on b Sasa gt Switch on the appliance by pressing S S the master switch 7 6 wama d The indicator light shows blue 9 K ST The boiler runs for 15 minutes at mini E mum heating output to fill the conden sate trap the display K alternates bet ween Ill and the central heating flow temperature Thi
6. satis faction of BBT Thermotechnology UK Ltd when requested These should be part of the Benchmark Checklist Any product or part returned for servi cing under the guarantee must be accompanied by a claim stating the model serial number amp date of installa tion gt BBT Thermotechnology UK Ltd will not accept responsibility for damage caused by faulty installation neglect misuse or accidental damage or the non observance of the instructions contained in the Installation and Servicing Manual and User Instructions gt The appliance has been used only for the normal domestic purposes for which it was designed gt This guarantee applies only to equip ment purchased and used in the United Kingdom This guarantee does not affect your sta tutory rights 22 YOUR GUARANTEE WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi IORCESTER Bosch Group 6 720 611 928a 02 05 GUARANTEE REGISTRATION You should complete and return the postpaid Guarantee Registration Card within 14 days of purchase Returning the card will register you as the owner of your new Greenstar 25CDi 30CDi 35CDi 40CDi appliance and will assist us in maintaining an effective and efficient customer service by establishing a reference and perma nent record for your boiler This does not affect your statutory rights For your own record Model Serial No See guarantee card Type size Date of install
7. to replacement with PVCu or woo den framed double glazed units Curtains Lined curtains or heavier full length cur tains can provide excellent insulation However always ensure that the curtains do not drape over radiators SAVING D TIPS ON ENERGY WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi IORCESTER Bosch Group 6 720 611 928a 02 05 Draughts Try to ensure that draughts around doors windows letterboxes and keyho les etc are reduced by using a suitable draught excluder Warning Do not block or seal any air vents that are installed to ensure the central heating boiler opera tes safely Room thermostats Reducing the setting of the room ther mostat by 1 C can reduce fuel con sumption by up to 10 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 thermo stat and thermostatic radiator valves TIPS ON ENERGY SAVING Radiators More often than not radiators will be sited underneath a window so the warm air from the radiator heats the colder incoming air from the window The per formance of the radiator will be affected if the curtains are allowed to drape over the radiator or shelves are fitted above it The positioning of furniture and tables in front of the radiator should also be avoi ded It is advisable to manually adjust all radiator thermostatic valves every
8. GREENSTAR CDi WALL HUNG RSF GAS FIRED CONDENSING COMBINATION BOILER FOR SEALED CENTRAL HEATING SYSTEMS AND MAINS FED DOMESTIC HOT WATER THE APPLIANCE IS FOR USE WITH NATURAL GAS OR L P G Cat Il 2H3P TYPE C13 amp C33 25CDi GC Number 47 311 92 30CDi GC Number 47 311 93 35CDi GC Number 47 311 94 40CDi GC Number 47 311 95 USER INSTRUCTIONS amp Cate CUSTOMER CARE GUIDE Bosch Group benchmark Seachmark Z CONTACT INFORMATION WORCESTER BOSCH TECHNICAL 08705 266241 SERVICE 08457 256206 SPARES 01905 752571 LITERATURE 01905 752556 TRAINING 01905 752526 SALES 01905 752640 WEBSITE www worcester bosch co uk WATER TREATMENT FERNOX 01799 550811 www fernox com SENTINEL 0151 420 9595 www betzdearborn com sentinel FLUE TERMINAL GUARDS TOWER FLUE COMPONENTS Vale Rise Tonbridge TN9 1TB USER INSTRUCTIONS amp CUSTOMER CARE GUIDE PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE OPERATING YOUR APPLIANCE THESE INSTRUCTIONS ARE APPLICABLE TO THE WORCESTER BOSCH APPLIANCE MODEL S STATED ON THE FRONT COVER OF THIS MANUAL ONLY AND MUST NOT BE USED WITH ANY OTHER MAKE OR MODEL OF APPLIANCE THE INSTRUCTIONS APPLY IN THE UK ONLY AND SHOULD BE FOLLOWED EXCEPT FOR ANY STATUTORY OBLIGATION IF YOU ARE IN ANY DOUBT CONTACT THE WORCESTER BOSCH TECHNICAL HELPLINE DISTANCE LEARNING AND TRAINING COUR SES ARE AVAILABLE FROM WORCESTER BOSCH THIS APPLIANCE MUST BE INSTALLED BY A COMPETE
9. NT PERSON FAILURE TO INSTALL CORRECTLY COULD LEAD TO PROSECUTION PLEASE LEAVE THIS GUIDE THE INSTALLA TION INSTRUCTIONS AND THE COMPLETED BENCHMARK LOG BOOK WITH THE USER OR AT THE GAS METER AFTER INSTALLATION ABBREVIATIONS USED IN THIS BOOK NG Natural Gas LPG Liquid Petroleum Gas CH Central Heating SEDBUK Seasonal Efficiency of Domestic Boilers in the United Kingdom 2 USER INSTRUCTIONS amp WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi A IorcESTER CUSTOMER CARE GUIDE Bosch Group 6 720 611 928a 02 05 CONTENTS INTRODUCTION EXCELLENCE COMES AS STANDARD 4 SAFETY PRECAUTIONS 5 7 GENERAL NOTES 8 11 USING YOUR APPLIANCE CONTROLS 12 OPERATING THE APPLIANCE 13 15 Switching the appliance on off 13 Setting the central heating temperature 13 Controlling central heating 13 Frost protection 14 Controlling domestic hot water 14 15 Fault condition 15 ENERGY SAVING TIPS ON ENERGY SAVING 16 17 MAINTENANCE MAINTAINING YOUR APPLIANCE 18 FAULT FINDING 19 FAULT OR BREAKDOWN 20 21 GUARANTEE YOUR GUARANTEE 22 GUARANTEE REGISTRATION 23 INTRODUCTION USING YOUR APPLIANCE IORCESTER WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi Bosch Group 6 720 611 928a 02 05 CONTENTS P EXCELLENCE COMES AS STANDARD INTRODUCTION Thank you for purchasing a Greenstar 25CDi 30CDi 35CDi 40CDi gas fired condensing combination boiler manu factured by Worcester
10. OSTAT A room temperature controller and pro grammer should be fitted to control the central heating Refer to the instructions supplied with the thermostat for informa tion on siting and setting THERMOSTATIC RADIATOR VALVES It is recommended that this type of valve is fitted to all but one of the radiators or at least those in the sleeping accommo dation The remaining radiator which must be where the room thermostat is located should be uncontrolled and must be left open The thermostatic radiator valves should conform to the requirements of BS2767 10 D GENERAL NOTES WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi AWIorcESTER 6 720 611 928a 02 05 Bosch Group GENERAL NOTES VENTILATION This is a room sealed appliance and does not require any air for combustion from inside the property If the appliance is fitted into a cupboard or a compart ment is built around the appliance after installation then the compartment must be separated from the boiler space by a perforated non combustible partition as described in BS 6798 Notwithstanding the requirements of BS 6798 and BS 5440 there is no need for ventilation openings to be provided in the compartment because of the low heat loss from the appliance casing if the clearances shown are maintained Do not operate the appliance if the flue terminal fitted on the outside wall or roof is obstructed or damaged PUMP ANTI SEIZURE If there has been no heating
11. ation Check that the Benchmark Checklist has been completed by your installer or service engineer AAIorcester WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi GUARANTEE Beech our 6 720 611 928a 02 05 REGISTRATION USER INSTRUCTIONS amp CUSTOMER CARE GUIDE Worcester Bosch Group Cotswold Way Warndon Worcester WR4 9SW Tel 01905 754624 Fax 01905 754619 www worcester bosch co uk Worcester Bosch Group is a trading name of An BBT Thermotechnology UK Ltd S WORCESTER 6 720 611 928a 02 05 OSW Bosch Group
12. d 60 C using the temperature control DOMESTIC HOT WATER PRE HEAT Pre heat reduces the time taken to pro duce hot water at the tap and is control led by the ECO button gt Press the ECO button to select either When the ECO button is not illumina ted the boiler will be in pre heat mode D OPERATING THE WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi NoRCESTER APPLIANCE 6 720 611 928a 02 05 Bosch Group OPERATING THE APPLIANCE which will reduce the time taken to pro duce hot water at the tap OR When the ECO button is illuminated the boiler will be in ECO mode with no pre heat available FAULT CONDITION In the unlikely event of a fault occurring while the appliance is in operation The reset button will flash once per second and the mains indicator blue light will flash also The display shows a fault code gt To reset boiler press the reset button The reset button will no longer be illumi nated and the mains indicator will stop flashing The boiler will function normally depen dent on programmer and room thermo stat settings If the fault remains and cannot be clea red by pressing the reset button or if fault persists contact Worcester Bosch for assistance giving a description of the fault and if possible the fault code from the display AAIorcester WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi OPERATING THE ns Bosch Group 6 720
13. g of the operation of your appliance In the case of a suspec ted fault refer to the fault finding section of this guide If in doubt contact our Technical Helpline In the event of an appliance fault or breakdown please contact our Service Department Your service administrator will arrange for an engineer to call with the minimum of delay under normal cir cumstances this will be from 1 3 wor king days excluding weekends for prio rity breakdown situations no hot water and or heating Invoices for attendance and repair work carried out on this appliance by any third party will not be accepted AAIorcester WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi FAULT OR g Bosch Group 6 720 611 928a 02 05 BREAKDOWN This appliance is guaranteed against faulty material or workmanship for a period of 2 years from the date of instal lation subject to the following terms and conditions gt Your Guarantee Registration Card must be returned within 30 days for the second year of your guarantee to beco me valid gt During the period of this guarantee any components of the unit which are proven to be faulty or defective in manu facture will be exchanged or repaired free of charge by BBT Thermotechnology UK Ltd YOUR GUARANTEE gt The householder may be asked to prove the date of installation that the appliance was correctly commissioned and where appropriate the first year s service has been carried out to the
14. ioning and servicing of domestic water heating appliances A Benchmark Checklist is provided by the manufacturer for the installer to complete ALL details together with their CORGI registration number and sign to confirm that the boiler has been instal led and commissioned according to the manufacturer s instructions IMPORTANT The completed Benchmark Checklist will be required in the event of any warranty work and may be required by the local Building Control Inspector HEALTH amp SAFETY The appliance contains no asbestos and no substances used in the construction process that contravene the COSHH Regulations Control of Substances Hazardous to Health Regulations 1988 AAIorcester WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi Bosch Group 6 720 611 928a 02 05 SAFETY PRECAUTIONS INTRODUCTION SAFETY PRECAUTIONS COMBUSTIBLE AND CORROSIVE MATERIALS INTRODUCTION Do not store or use any combustible materials paper thinners paints etc inside or within the vicinity of the appli ance Chemically aggressive substances such as halogenated hydrocarbons containing chlorine or fluorine compounds can cor rode the appliance and invalidate any warranty FITTING amp MODIFICATIONS Fitting the appliance any controls to the appliance and removal of the outer casing may only be carried out by a competent engineer in accordance with the Gas Safety Installation and Use Regulations Flue system
15. s a condensing appliance and the terminal will at times give out a plume of water vapour This is quite normal The appliance also produces quantities of condensate which is discharged regu larly by a siphon within the boiler via a pipe to drain This pipe must not be blocked or altered in any way CLEARANCES VENTILATED COMPARTMENT Your installer will have provided adequa te space around the appliance for safety and servicing access Do not restrict this space with the addition of cupboards shelves etc next to the appliance 600 mm service clearance required to a fixed surface 20 mm from removable door or panel IORCESTER WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi GENERAL NOTES Bosch Group 6 720 611 928a 02 05 INTRODUCTION INTRODUCTION 250mm to removable door 600mm front clearance for service above elbow _ D 100mm GENERAL NOTES BOILER CLEARANCES UNVENTILATED COMPARTMENT The diagrams A and B opposite show two options for the minimum space required to install and service the boiler inside an unventilated compartment This space can be reduced to 50 mm for one side only as long as both the side clearances add up to the total of both the side measurements shown or more Space required for unventilated areas with a removable door or panel 600 mm clearance required to a fixed surface for servicing ROOM THERM
16. s must not be modified in any way other than as described in the Installation Instructions and any misuse or unauthorised modifications to the appliance flue or associated compo nents and systems could invalidate the warranty The manufacturer accepts no liability arising from any such actions This does not affect your statutory rights D SAFETY WORCESTER BOSCH GREENSTAR 25CDi 30CD 35CD 40CDi ZAVORCESTER PRECAUTIONS 6 720 611 928a 02 05 Bosch Group SAFETY PRECAUTIONS SERVICING The user is recommended to have the system regularly serviced by a compe tent qualified engineer such as British Gas or CORGI registered personnel using original spares to help maintain the economy safety and reliability of the appliance and to have the Service Record completed in the Benchmark Checklist The appliance should be serviced annu ally after installation unless the particular installation conditions and usage demand more frequent services IMPORTANT ensure that the service engineer completes the Service Record in the Benchmark Checklist after each service WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi SAFETY A WORCESTER Beach Groun 6 720 611 928a 02 05 PRECAUTIONS INTRODUCTION GENERAL NOTES To get the best from your appliance plea se read these instructions carefully INTRODUCTION SEALED HEATING SYSTEMS This appliance is fitted to a sealed hea ting system which is pre pressurised Your installer
17. s occurs every time the mains supply has been interrupted Switching off gt Switch off the appliance by pressing the master switch The blue indicator light goes out SETTING THE CENTRAL HEATING TEMPERATURE gt Turn the central heating temperature control to the desired level between 40 C and 90 C gt When the burner is lit the green indi cator light underneath the on off switch is illuminated CONTROLLING CENTRAL HEATING gt Set the timer to the correct time gt Set room thermostat to the desired room temperature gt Set the thermostatic radiator valves to the desired settings AAIorcester WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi OPERATING THE rg Bosch Group 6 720 611 928a 02 05 APPLIANCE a Lu a ZS OF SE Ka 5 lt reset OPERATING THE APPLIANCE FROST PROTECTION gt Leave master switch on gt Turn the central heating temperature control to J If the temperature falls to 5 C within the boiler it will fire to avoid the possibility of freezing Add a suitable anti freeze fluid to the water in the central heating system gt If remote pipework is likely to be sub jected to freezing conditions ensure the installer has fitted a frost thermostat in the area to protect the pipework CONTROLLING THE HOT WATER TEMPERATURE gt The hot water temperature can be set to between approx 40 C an
18. vicing please con tact the Worcester Bosch Service Department see inside front cover for details Details of the boiler including the Gas Council number can be found under the controls cover flap on the boiler D MAINTAINING WORCESTER BOSCH GREENSTAR 25CDi 30CD 35CDi 40CDi ZANORCESTER YOUR APPLIANCE 6 720 611 928a 02 05 Basch Group Problem Desired room temperature is not reached FAULT FINDING This table gives information on basic operating system problems In the unlikely event of a boiler fault please read the following page tho roughly before contacting Worcester Bosch Cause Thermostatic radiator valve s set too low Remedy Increase thermostatic radiator valve setting s Temperature control for CH flow on boiler set too low Increase CH flow tempera ture control setting Air trapped in heating system Bleed radiators and rechar ge heating system Desired room temperature exceeded by large amount Radiators are too hot Turn down thermostatic radiator valves room ther mostat Reduce central heating temperature on boiler Heating stays on for too long Clock is incorrectly set Check setting No on off indicator Hot water temperature too low Momentary power failure Temperature set too low Programmer setting Water flow at tap too high Switch off appliance at master switch wait a few seconds then switch on again Check setting Check setting
19. will advise you of the mini mum and maximum pressure which should be indicated on the pressure gauge Check regularly that the pressure is maintained and contact your installer or maintenance engineer if a permanent significant drop in pressure is indicated on the pressure gauge If the system loses pressure it should be re pressuri sed and the cause of the fall investiga ted CENTRAL HEATING SYSTEMS During the first few hours of operation of the central heating system check that all radiators are being heated at an even rate If the top of a radiator is at a lower temperature than the bottom then it should be vented by releasing air through the venting 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 repeated venting will reduce the quantity of water in the system and this must be D GENERAL NOTES WORCESTER BOSCH GREENSTAR 25CDi 30CDi 35CDi 40CDi AWIorcESTER 6 720 611 928a 02 05 Bosch Group 30mm above elbow GENERAL NOTES replenished for safe and satisfactory operation of the appliance Should water leaks be found in the system or if excessive venting is requi red 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 system Any incompatible additive used will inva lidate the guarantee CONDENSATE DRAIN This i
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