- Worcester Bosch
Contents
1. 8 716 109 712b 07 10 12 7 10 12 28 Geh USER INSTRUCTIONS amp CUSTOMER CARE GUIDE FLOOR STANDING OIL FIRED CONDENSING BOILER CONVENTIONAL FLUE amp ROOM SEALED FLUE R AR UTILITY OR SEALED CENTRAL HEATING SYSTEMS AND THE BOILER IS FOR USE WITH KEROSENE 28 SECOND OIL ONLY WORCESTER Bosch Group 8 716 109 712b 07 10 12 7 10 12 28 CONTACT INFORMATION USER INSTRUCTIONS amp WORCESTER BOSCH GROUP TECHNICAL 0844 892 3366 SERVICE 0844 892 3000 SERVICE EIRE 01494 0099 LITERATURE 0844 892 9800 SALES 01905 752640 WEBSITE worcester bosch co uk CUSTOMER CARE GUIDE PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE OPERATING YOUR BOILER THESE INSTRUCTIONS ARE APPLICABLE TO THE WORCESTER BOILER MODEL S STATED ON THE FRONT COVER OF THIS MANUAL ONLY AND MUST NOT BE USED WITH ANY OTHER MAKE OR MODEL OF BOILER THE INSTRUCTIONS APPLY IN MAINLAND UK ONLY AND SHOULD BE FOLLOWED EXCEPT FOR ANY STATUTORY OBLIGATION IF YOU ARE IN ANY DOUBT CONTACT THE WORCESTER BOSCH GROUP TECHNICAL SUPPORT THIS BOILER MUST BE INSTALLED BY A OFTEC REGISTERED COMPETENT PERSON FAILURE TO INSTALL CORRECTLY COULD LEAD TO PROSECUTION PLEASE LEAVE THIS GUIDE THE INSTALLATION INSTRUCTIONS AND THE COMPLETED CHECKLIST WITH THE USER NOTE A CHECKLIST AND SERVICE INTERVAL RECORD CAN BE FOUND AT THE REAR OF THE INSTALLATION COMMISSIONING AND SERVICE INSTRUCTIONS ABBREVIATIONS SEDBUK S2. Turn the control clockwise to increase the water temperature Turn the control anti clockwise to reduce the water temperature The minimum and maximum ranges of the temperature control positions are approximately 60 C to 82 C CONTROLLING CENTRAL HEATING Set the programmer timer to the correct time with the required ON OFF periods Turn the room thermostat to the temperature required Set thermostatic radiator valves to the required temperature for each room OPERATING THE BOILER GREENSTAR UTILILY 33 305 60 70 AAIORCESTER 8 716 109 712b 07 2010 Bosch Group 8 716 109 712b 07 10 12 7 10 12 28 OPERATING THE BOILER FROST PROTECTION gt Frost thermostats can be wired into the boiler gt Frost protection should be fitted to the system where the system is most exposed and at risk of freezing If there is no hot water or heating check page 6 and 7 for fault condition guidance USING YOUR BOILER AAWORCESTER ee ee mane aoe eee OPERATING THE BOILER 8 716 109 712b 07 2010 Bosch Group 8 716 109 712b 07 10 12 7 10 12 28 a ER oz 5 2 2 a 5 OPERATING THE BOILER FAULT CONDITIONS If the boiler fails to operate Check the oil level in the oil storage tank gt Check there is not a power cut and the power supply to the boiler is switched on Check the programmer is set to on gt Check the room thermostat and where fitted the radi
3. Control of Substances Hazardous to Health Regulations 1988 Where applicable the CE mark indicates compliance with relative EU Directives COMBUSTIBLE AND CORROSIVE MATERIALS Do not store or use any combustible materials paper thinners paints etc inside or within the vicinity of the boiler The combustion air must be kept clear of chemically aggressive substances which can corrode the boiler and invalidate any warranty FITTING amp MODIFICATIONS Fitting the boiler and any controls to the boiler may only be carried out by a competent engineer in accordance with the relevant Installation Regulations Flue systems must not be modified in any way other than as described in the fitting instructions Any misuse or unauthorised modifications to the boiler flue or associated components and systems could invalidate the warranty The manufacturer accepts no liability arising from any such actions excluding statutory rights This boiler is suitable for use with kerosene only no other fuel may be used DO NOT OPERATE THE APPLIANCE WHEN The appliance flue or system is incorrectly fitted faulty or damaged The flue terminal outlet is obstructed or damaged There are fumes fuel leaks or fuel smells from the fuel supply appliance or internal flue system The system is empty frozen or unpressurised sealed systems The condensate pipe is blocked or restricted The appliance clearances are inadequate The air supply is restricted or
4. following conditions That during the period of this guarantee any components of the unit which are proved to be faulty or defective in manufacture will be exchanged or repaired free of material charges and free of labour charges if repaired directly by Bosch Thermotechnology Ltd Please be aware that invoices for attendance and repair of this boiler by third parties will not be accepted for payment by Bosch Thermotechnology Ltd That the householder may be asked to prove when requested the date of installation that the boiler was correctly commissioned and where appropriate that the 12 month service inspection has been carried out to the satisfaction of Bosch Thermotechnology Ltd when requested The guarantee card must then be returned within 30 days of installation That any product or part thereof returned for servicing under the guarantee must be accompanied by a claim stating the Model Serial Number and Date of Installation gt That Bosch Thermotechnology Ltd will not accept responsibility for damage caused by faulty installation neglect misuse or accidental damage and non observance of the instructions contained in the Installation and Users Instructions leaflets That the boiler has been used only for normal domestic purposes for which it was designed This guarantee applies only to equipment purchased and installed in mainland UK This guarantee is given in addition to all your normal statut
5. unless the installation conditions and usage demand more frequent services IMPORTANT Ensure that the service engineer completes the Service Record in the checklist after each service The completed checklist will be required in the event of any warranty work and may be required by the local Building Control Inspector NOTE The checklist and service interval record can be found at the rear of the Installation Commissioning and Servicing Instructions WORCESTER GREENSTAR UTILITY 32 50 50 70 SERVICING 8 716 109 712b 07 2010 Bosch Group 8 716 109 712b 07 10 12 7 10 12 28 tec VENTILATION INFORMATION BOILER LOCATION The boiler can be installed under a worktop as long as gt The worktop above the boiler is easily removable for maintenance gt There is at least 10mm clearance above the boiler gt The front of the boiler is not enclosed VENTILATION Air vents must be functional at all times and the air supply must not be restricted or contaminated The boiler clearances must meet the minimum shown below for servicing and venting purposes If this clearance is less than 75mm the flue knock out panel sections must be removed to improve air circulation and cooling Do not place clothes or objects to hinder the air circulation required by the boiler ANNUAL SERVICE CLEARANCES Z ag xs Za of 1415mm 300mm 2 1312 VENTILATION INFORMATION GREENSTAR UTILIT
6. vents damaged SAFETY PRECAUTIONS GREENSTAR UTILITY 32 50 50 70 AAIORCESTER 8 716 109 712b 07 2010 Bosch Group 8 716 109 712b 07 10 12 7 10 12 28 CONTROLS Temperature control behind upper front panel Reset button boiler overheat thermostat behind front panel Reset button flue overheat thermostat behind front panel Reset button lockout top of burner under top panel Upper front panel pull squarely away from the boiler to remove gt panel lift squarely up from boiler to remove USING YOUR BOILER WORCESTER GREENSTAR UTILITY 32 50 50 70 CONTROLS Bosch Group 8 716 109 712b 07 2010 8 716 109 712b 07 10 12 7 10 12 28 a ER E 2 a 5 SWITCHING THE BOILER ON OFF 4 v To switch on the boiler turn on the oil and electricity supply to the boiler Check the programmer timer is correct and is set to ON Set the room thermostat to the desired setting Open and set thermostatic radiator valves as required Turn the boiler water temperature control to the required setting To switch off the boiler turn the programmer timer to OFF for heating and hot water If the boiler is left unused and exposed to freezing conditions shut off all the mains supplies isolate the boiler and drain the system and boiler SETTING TEMPERATURE
7. 8 716 109 712b 07 10 12 7 10 12 28 ep MAINTAINING YOUR BOILER Your new boiler represents a long term investment in a reliable high quality product In order to realise its maximum working life and to ensure it continues to operate at peak efficiency and performance it is essential that servicing and maintenance checks are performed at least once a year by an OFTEC engineer or other suitably qualified person If you would like to know more about servicing options from Worcester Bosch Group please visit worcester bosch co uk Please tick the appropriate box on your warranty registration card for further details of the Worcester Bosch Group Service Contract When your boiler requires servicing please contact a Worcester Bosch Group contact centre see inside front cover for details In addition to the service contract we are pleased to offer a one off annual service or breakdown call out for your boiler Maintenance tips Regularly check the oil level in the tank Do not obstruct the flue outlet or the air inlet MAINTAINING YOUR BOILER GREENSTAR 8250 50770 WAWNORCESTER 8 716 109 712b 07 2010 Bosch Group 8 716 109 712b 07 10 12 7 10 12 28 e SERVICING SERVICING You must have the boiler regularly serviced by a competent qualified OFTEC registered engineer using approved spares to help maintain the economy safety and reliability of the boiler The boiler should be serviced once each year after installation
8. Combustion 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 3m gt Low level air vents must be less than 450mm from the floor A warning label must be attached to the vents with a statement to the effect Do not block this vent Do not use for storage WORCESTER GREENSTAR UTILITY 32 50 50 70 VENTILATION INFORMATION 8 716 109 712b 07 2010 Bosch Group 8 716 109 712b 07 10 12 7 10 12 28 tec z ER 4 uz ou GENERAL NOTES To get the best from your boiler please read these instructions carefully 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 Repeated venting will reduce the quantity of water in the system and this must be replenished for safe and satisfactory operation of the boiler When excessive venting or water leaks are found in the system you must contact a service engineer to inspect th
9. Upgrade your heating control system with the latest equipment available The minimum level of control for a heating system is a programmer interlocking room thermostat and thermostatic radiator valves 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 performance 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 avoided It is advisable to manually adjust all radiator valves every 2 3 months to prevent them from sticking It is also important that the plastic tops of all valves are always in position and not cracked or damaged to help prevent accidents Care should be taken when vacuum cleaning carpets to avoid damage to valves and pipework The heating system and the outputs of the radiators have been carefully selected by your installer 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 Heating economically The boiler is designed to provide a high level of comfort while keeping oil consumption and the resulting environmental effect as low as possible The central hea
10. Y 32 50 50 70 AWORCESTER 8 716 109 712b 07 2010 Bosch Group 8 716 109 712b 07 10 12 7 10 12 28 ep VENTILATION INFORMATION Conventional flue boilers require an adequate supply of fresh air which 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 cupboard or compartment which is to be used for storage or airing is built around the boiler after installation there must be a non combustible partition around the boiler Further information can be found in BS 5410 which also describes venting requirements Conventional flued boilers Minimum area of of air inlet for combustion 248cm for 32 50kW appliances 358cm for 50 70kW appliances MINIMUM AIR VENT AREA cm FOR BOILERS INSTALLED IN A COMPARTMENT Internal air to and from a space room inside the building 2 External air to and from directly outside the building Conventional flue Room Sealed flue Internal ventilation External ventilation Internal ventilation External ventilation kw High Low High Low High Low High Low Level Level Level Level Level Level Level Level GENERAL INFORMATION 8 Venting compartments Ventilation must be provided for boilers fitted into compartments as described in BS 5410 gt Aminimum of two air vents must be fitted one at low level and another at high level onto the same wall using the same air for circulation gt
11. ator thermostats are set correctly Remove upper front panel and check the thermostat control knob A is turned on If the above checks prove satisfactory and the boiler remains off then a safety device in the boiler control system may have been activated to prevent the boiler from operating Automatic reset excessive boiler operating temperature can activate a thermostat to switch off the boiler This thermostat automatically resets when the boiler has cooled down sufficiently Do not attempt to repeatedly start the boiler using the manual reset buttons as persistent failure indicates a fault requiring the attention of a service engineer Boiler overheat manual reset gt Should the boiler temperature rise beyond the automatic reset level a high limit thermostat will switch the boiler off indicated by button B standing proud When the boiler has cooled down press and release B to reset the thermostat Flue overheat manual reset Excessive combustion gas temperatures can activate a thermostat to switch off the boiler indicated by button C standing proud Press and release C to reset thermostat Burner lockout manual reset gt Flame failure for any reason will cause the burner to go safely to a lockout condition Remove the boiler top panel and check the lockout button D If this is illuminated it indicates a lockout condition To cancel lockout wait 2 minutes then pre
12. e installation and rectify any fault Only use additives compatible with the boiler and system Use of incompatible additives can cause damage and will invalidate the boiler guarantee CONDENSATE DRAIN This is a condensing boiler and the 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 CLEARANCES SERVICE Your installer will have provided adequate space around the boiler for safety and servicing access Do not restrict this space with the addition of cupboards shelves etc next to the boiler ROOM THERMOSTAT A room temperature controller must be fitted to control the central heating Refer to instructions supplied with the thermostat for information 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 accommodation The remaining radiator which must be where the room thermostat is located should be un controlled and must be left open GENERAL NOTES GREENSTAR UTILITY 32 50 50 70 WORCESTER 8 716 109 712b 07 2010 Bosch Group 8 716 109 712b 07 10 12 7 10 12 28 ep TIPS ON ENERGY SAVING Room thermostats Reducing the setting of the room thermostat by 1 C can reduce fuel consumption by up to 10 New control systems
13. easonal Efficiency for Domestic Boilers in the United Kingdom OFTEC Firing Technical Association for the Petroleum Industry USER INSTRUCTIONS amp CUSTOMER CARE GUIDE GREENSTAR UTILITY 32 50 50 70 WORCESTER 8 716 109 712b 07 2010 Bosch Group 8 716 109 712b 07 10 12 7 10 12 28 5 INTRODUCTION 3 SAFETY PRECAUTIONS 2 9 z USING YOUR BOILER CONTROLS 3 OPERATING THE BOILER Switching the boiler on off 4 9 m Setting the heating temperature 4 2o Controlling central heating 4 E n Frost protection 5 Fault conditions 6 Fault finding 7 MAINTENANCE MAINTAINING YOUR BOILER 8 SERVICING 9 GENERAL INFORMATION VENTILATION INFORMATION 10 11 5 GENERAL NOTES 12 ENERGY SAVING a TIPS ON ENERGY SAVING 13 oe GUARANTEE FAULT OR BREAKDOWN 14 YOUR GUARANTEE AND REGISTRATION 15 PLEASE READ THESE INSTRUCTIONS CAREFULLY These instructions are applicable to the Worcester Bosch Group model stated on the front cover only These instructions apply in the UK IE only and must be followed except for any statutory obligation After installation please leave this User Manual along with the Installation Commissioning and Servicing Instructions and completed Benchmark Checklist with the user DEDICATED TO HEATING COMFORT Thank you for purchasing a Greenstar oil fired condensing boiler from Worcester Bosch Group The company prides itself on manufacturing boil
14. ers to the strictest quality control standards throughout every stage of production Worcester Bosch Group has led the field in innovative boiler design and performance for almost 50 years This heritage means that all our products are of exceptional quality and proven reliability The condensing range in particular is extremely energy efficient offering you economical running costs and value for money It sits in SEDBUK Band A and is therefore amongst the top energy rated boilers available There is also the assurance of our no nonsense 2 years parts and labour guarantee backed up by Worcester Total Cover an optional complete maintenance scheme to keep your boiler operating at peak condition and efficiency WORCESTER GREENSTAR UTILITY 32 50 50 70 CONTENTS Bosch Group 8 716 109 712b 07 2010 8 716 109 712b 07 10 12 7 10 12 28 m INTRODUCTION SAFETY PRECAUTIONS OIL FUMES OR LEAKS FROM THE BOILER Extinguish any naked flames V Open windows and doors V Switch off the boiler electricity supply Isolate the fuel supply to the boiler V Contact installer service engineer IMPORTANT This boiler must only be operated by a responsible adult who has been instructed in understands and is aware of the boiler s operating conditions and effects HEALTH amp SAFETY The appliance contains no asbestos and no substances have been used in the construction process that contravene the COSHH Regulations
15. iler No charge will be made for parts and or labour providing A boiler fault is found and the boiler has been installed within the past 24 months Reasonable evidence of this must be supplied on request A call out charge will be made where gt The boiler has been installed for over 24 months OR Field Service Engineer finds no fault with the boiler see Note OR Evidence cannot be provided that the first year service inspection has been carried out i e an entry in the service interval record found at the rear of the boiler installation and servicing manual OR gt The cause of breakdown is misuse or with other parts of your plumbing heating system or with equipment not supplied by Bosch Thermotechnology Ltd NOTE NO BOILER FAULT IS FOUND ON OVER 30 OF ALL SERVICE CALL OUTS Please read this guide carefully to gain a good understanding of the operation of your boiler In the case of a suspected fault refer to the fault finding section of this guide If in doubt contact our Technical Support In the event of an boiler 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 circumstances this will be from 1 to 3 working days excluding weekends for priority breakdown situations no hot water and or heating Invoices for attendance and repair work carried out on this boiler by any third part
16. ory rights Worcester Bosch Group is a brand name of Bosch Thermotechnology Ltd WORCESTER GREENSTAR UTILITY 32 50 50 70 Bosch Group 8 716 109 712b 07 2010 GUARANTEE REGISTRATION 8 716 109 712b 07 10 12 7 10 12 28 NOTES GREENSTAR UTILITY 32 50 50 70 WORCESTER 8 716 109 712b 07 2010 Bosch Group 8 716 109 712b 07 10 12 7 10 12 28 cease NOTES NOTES WORCESTER GREENSTAR UTILITY 32 50 50 70 Bosch Group 8 716 109 712b 07 2010 8 716 109 7125 07 10 12 7 10 12 28 e WORCESTER BOSCH GROUP TECHNICAL SUPPORT 0844 892 3366 APPOINTMENTS 0844 892 3000 SPARES 01905 752571 LITERATURE 0844 892 9800 TRAINING 01905 752526 SALES 01905 752640 WEBSITE www worcester bosch co uk Worcester Bosch Group Cotswold Way Warndon Worcester WR4 9SW Tel 0844 892 9900 Worcester Bosch Group is a brand name of Bosch Thermotechnology Ltd Bosch G rou p 8 716 109 712b 07 2010
17. ss and release button D ACCESSING RESET BUTTONS Reset buttons A B amp C To remove upper front panel pull panel squarely away from the front of the boiler replace realign ball studs and push back into place Burner lockout reset button D Pull top panel squarely upwards to remove To replace realign ball studs and push back into place Always keep pressure to the edges of the panels to avoid accidental damage OPERATING THE BOILER AAIOrcESTER Bosch Group GREENSTAR UTILITY 32 50 50 70 8 716 109 712b 07 2010 8 716 109 712b 07 10 12 7 10 12 28 FAULT FINDING Desired room temperature Thermostatic radiator Increase thermostatic E is not reached valve s set too low radiator valve setting s m 29 Room thermostat too Increase room thermostat a low setting Temperature control on Increase temperature boiler set too low control setting Air trapped in heating Bleed radiators and system recharge heating system Turn down thermostatic radiator valves room thermostat boiler temperature control setting Desired room temperature Radiators are too hot exceeded by large amount Temperature rises instead Clock is incorrectly set Check setting of falling WORCESTER GREENSTAR UTILITY 32 50 50 70 FAULT FINDING Bosch Group 8 716 109 712b 07 2010
18. ting control on the boiler should be set as low as possible while still maintaining a comfortable room temperature The temperature of each room can be set individually using the thermostatic radiator valves except the primary room with the room thermostat Roof insulation Around 30 of the heat loss from a property is through the roof Replace any old insulation with new insulation preferably to a minimum thickness of 200mm Window frames Single glazed windows particularly those with steel frames can lose a great deal of heat Consideration should be given to replacement with PVCu or wooden framed double glazed units Curtains Lined curtains or heavier full length curtains can provide excellent insulation However always ensure that the curtains do not drape over radiators Draughts Try to ensure that draughts around doors windows letterboxes and keyholes 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 or other appliance operate safely WORCESTER GREENSTAR UTILITY 32 50 50 70 TIPS ON ENERGY SAVING 8 716 109 712b 07 2010 Bosch Group FAULT OR BREAKDOWN This boiler is supported in mainland UK by Worcester Bosch Group part of Bosch Thermotechnology Ltd Specialist trained Worcester Bosch Group Service Engineers are available to attend in the unlikely event that a breakdown occurs on this bo
19. y will not be accepted APPLIANCE DATA LABEL 8 716 109 712b 07 10 12 7 10 12 28 eh BOILER DATA LABEL The data label can be found on the inside of the boiler on top of the control box To access gt Lift top panel to release lugs To replace top panel gt Replace the top panel and gently push down from the edges so as not to damage the panel until it clips back into place You can record this information on the inside back cover of this manual FAULT OR BREAKDOWN AAIorcESsTER Bosch Group GREENSTAR UTILITY 32 50 50 70 8 716 109 712b 07 2010 GUARANTEE REGISTRATION 8 716 109 712b 07 10 12 7 10 12 28 ai YOUR GUARANTEE You should complete and return the postpaid Guarantee Registration Card within 30 days of installation Returning your card will register you as the owner of your new boiler and will assist us in maintaining an effective and efficient customer service by establishing a reference and permanent record for your boiler This does not affect your statutory rights For your own record Model Serial No See identity label inside boiler casing Type size Date of installation Installer details This boiler is guaranteed against faulty materials or workmanship for a period of 24 calendar months 60 months for the primary heat exchanger from the date of installation subject to the
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