- Worcester Bosch
Contents
1. 170 210mm 1060 1100mm 6720646608 122 1Wo Fig 7 Service clearances Minimum clearances to removable door Minimum clearances required for servicing Height for either 60 100 flue or 80 125 flue Greenstar Si Compact 6 720 813 279 2014 09 15 WORCESTER Maintaining your appliance Bosch Group 6 Maintaining your appliance Your new gas fired appliance represents a long term investment in a reliable high quality product Wipe the appliance casing with a soft clean cloth Please do not use chemical cleaning products which may damage the paint finish 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 appliance receives regular servicing and maintenance checks from a competent person beyond the initial guarantee period If your Greenstar gas fired appliance should fail to operate correctly or requires servicing please contact the Worcester Bosch Group Appointments Team see rear cover for details Details of the appliance including the Gas Council number can be found on the front cover of these User Instructions and on the appliance identification label on the appliance facia The Gas Council number is also listed on the front cover of your Installation Commissioning and Servicing Instructions 16 Greenstar Si Compact 6 720 813 279 2014 09 CANORCESTER2. Bosch Group Fault finding 7 Fault finding In the event that the appliance stops functioning or does not perform as expected please see table below These problems are some of the most common causes Should the problem persist or if other fault codes are displayed then it will be necessary to contact Worcester Bosch Group This table gives information on basic operating system problems Problem Cause Remedy EA fault code flashing on 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 Flue blocked gt Ifitis safe to do so check your flue outlet for damage or blockages Desired room Thermostatic radiator valve s set too low Increase thermostatic radiator valve setting s temperature is not reached flow on appliance set too low Temperature control for central heating Increase central heating flow temperature control setting Low temperature setting on the room thermostat gt Increase setting on the room thermostat Air trapped in heating system Bleed radiators and re pressurise the heating system Low system water pressure Re pressurise the system refer to page 11 Desired room Thermostatic radiator valves are set to high Turn down thermostatic radiator valves temperature too high Room the
3. However always ensure that the curtains do not drape over radiators Greenstar Si Compact 6 720 813 279 2014 09 21 WORCESTER Environment disposal Bosch Group 10 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 recycling 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 li gt AllGreenstar gas boilers are 100 recycleable 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 11 Your guarantee This boiler has a guarantee against faulty materials or workmanship for a period 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 h
4. items Sub component or sublist of main component list etc 1 2 Safety precautions 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 or regulator 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 gt L P G boilers Call the supplier s number on the side of the gas tank vvvvy Appliance operation This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning the use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision Greenstar Si Compact 6 720 813 279 2014 09 CAWWORCESTER Bosch Group General information Combustible and corrosive materials Chemically aggressive substances can corrode the appliance and invalidate any guarantee Do not store or use any co
5. 3 Turn the handle screwdriver slot through 90 to open the valves 4 The handle screwdriver slot will be in line with the valves 4 NY v NAAN yy XXX RRR ARY ERE 6720806947 01 1Wo Fig 6 External filling loop 5 When the pressure reaches between the 1 and 1 5 bar marks zone A turn the handle screwdriver slot back through 90 to close the valve 6 The handle screwdriver slot will be at 90 to the valves 7 Remove the hose and replace the blanking caps If the pressure gauge reads more than 1 5 bar as a result of over filling bleed one radiator until the pressure gauge returns to between 1 and 1 5 bar 14 Greenstar Si Compact 6 720 813 279 2014 09 WORCESTER Bosch Group Service clearances 5 Service clearances Your installer will have provided adequate space around the boiler for safety and servicing access CAUTION Restricted space The boiler may overheat gt Do not restrict this space with the addition of cupboards shelves etc next to the boiler NOTICE Combustible and corrosive materials Chemically aggressive substances can corrode the appliance and invalidate any guarantee gt Donotstore or use any combustible materials paper thinners paints propellants cleaning agents etc inside the cupboard containing the appliance or within the vicinity of the appliance
6. ION EXPLANATION All possible screen symbols This screen is displayed briefly during boiler start up and shows all the symbols that could be displayed on the screen Numerical display Displays a temperature setting or boiler status code Text display Display PreHeat or Eco or the Alert code Hot water Displays this symbol during a DHW demand Central Heating Displays this symbol during central heating demand Service engineer mode Displays during service when the boiler is set to maximum or minimum output Alert Displays along with the boiler status code and diagnostic code during a fault condition Service mode Displays when a qualified service engineer is in the service menus Burner on The boiler is in operation and the flame is alight Centigrade indication o oO Displays next to the temperature reading Confirmation lt This symbol confirms a manual change Maintenance codes A code displayed with an H and a number relates to a maintenance issue This is not a boiler fault but an indication that something will need attention concerning the boiler The example shown is H13 Service interval reached the boiler requires servicing Call your installer or Worcester Bosch Group to organise a service visit Table 2 Greenstar Si Compact 6 720 813 279 2014 09 Controls CAWWORCESTER Bosch Group 3 1 Operating the boi
7. User instructions Wall hung RSF gas fired condensing combination boiler Greenstar Si Compact Natural Gas 25Si Compact 47 406 73 30Si Compact 47 406 75 ERG 25Si Compact 47 406 74 30Si Compact 47 406 76 If you smell gas gt Well away from the building call the National Gas Emergency Service on 0800 111 999 gt L P G boilers Call the supplier s number on the side of the gas tank 6720643358 00 1Wo THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS AORCESTER Bosch Group 6 720 813 279 2014 09 Preface CAWWORCESTER Bosch Group Preface Please read these instructions carefully These instructions are applicable to the Worcester Bosch Group appliance 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 instruction Manual Installation Commissioning and Servicing Instructions and completed Benchmark Checklist with the user Dedicated to heating comfort Thank you for purchasing a Greenstar gas fired condensing combination appliance manufactured by Worcester Bosch Group The company prides itself on manufacturing appliances to the strictest quality control standards throughout every stage of production Worcester Bosch group has led the field in innovative applian
8. ce design and performance for over 50 years This heritage means all our products are of exceptional quality and proven reliability The Greenstar range in particular is extremely energy efficient offering you economical running costs and value for money It is amongst the top energy rated appliances available There is also the reassurance of our parts and labour guarantee backed up by Worcester Total Cover an optional complete maintenance scheme to keep your appliance operating at peak condition and efficiency Greenstar Si Compact 6 720 813 279 2014 09 CAWWORCESTER Bosch Group Contents Contents 1 Key to symbols and safety instructions 4 9 Tips on energy saving eeeeeeee 21 1 1 Key to symbols 4 1 2 Safety precautions 00e eee 4 10 Environment disposal 00 22 2 General information ceeeeeee 5 11 Your guarantee cc cee cece eee ees 22 3 Controls sranie AA EE 6 3 1 Operating the boiler 008 8 12 GIOSSALY ena E EEEE 23 3 1 1 Boiler display 00 cece eee 8 3 1 2 Setting the boiler flow temperature for the central heating system 0 0 c cece eee eee 8 3 1 3 Boiler frost protection 0005 9 3 1 4 Turning the central heating off during the summer TIE tion ee awake E T 9 3 1 5 Setting the flow temperature for domestic ho
9. ds the back of the Installation Commissioning and Servicing Instructions This is a vital document that needs to be completed by the installer at the time of installation It confirms that the appliance has been installed and commissioned according to the manufacturer s instructions The service record provides space for the recording of regular servicing of the appliance heating system and this can become a valuable document when for example you wish to sell the property The service record 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 Make a contribution to the nation s commitment to climate change 2 4 User caution Itis forbidden for any interference with the appliance other than those actions allowed in this document 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 iJ CAUTION Incorrect use gt Any incorrect use can result in danger to the householder LN The appliance must be serviced regularly by a competent qualif
10. eam on 0330 123 9339 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 20 Greenstar Si Compact 6 720 813 279 2014 09 CAWWORCESTER Bosch Group Tips on energy saving 9 Tips on energy saving Heating economically The appliance provides a high level of comfort whilst keeping gas consumption low and so minimising the environmental impact The gas supply to the appliance s burner is regulated according to the demand for heat The appliance operates with a low flame if the demand for heat reduces The technical term for this process is modulating control Modulating control reduces temperature fluctuations and provides an even distribution of heat throughout the home This means that the appliance may stay on for relatively long periods of time but will use less gas than a appliance that continually switches on and off Central heating systems with room thermostat thermostatic radiator valves With modern heating systems designed around a 20 C heat loss across the system the optimum setting for a condensing appliance as described on section 3 1 2 Setting the boiler flow temperature for the central heating system The system must be balanced correctly and the radiators may need upgrading The temperature of each room can be set individua
11. h Group Glossary 12 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 system 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
12. hermostat set to 15 C gt Ifthe temperature within the boiler falls below 8 C the pump will run to circulate water and prevent the system freezing Ifthe temperature does not rise to 9 C within 30 minutes of the pump operating the boiler will fire up to provide heat to bring the temperature up gt Ifthe temperature within the boiler falls below 5 C the boiler will fire immediately bringing the boiler temperature up to 12 C to avoid the possibility of the system freezing gt This process will be repeated until such time that the boiler temperature does not drop below 5 C 3 1 4 Turning the central heating off during the summer li Do not switch the appliance off at the mains fused spur gt Turn your programmer timer to the off position gt Please refer to the programmer timer manufacturer s instructions 3 1 5 Setting the flow temperature for domestic hot water system 1 Turnthe hot water temperature control knob to the desired level between 40 and 60 C this will be shown on the digital display a w pig 6720643358 05 1Wo The value is displayed during this process press to exit or after five seconds of inactivity the boiler display will return to the default screen 3 1 6 Domestic hot water eco and preheat modes Eco mode is an energy saving feature which disables the Preheat function Eco is enabled by default during the initial appliance start up and Eco is displa
13. ied person such as a Worcester service engineer or other Gas Safe registered engineer Always use original spares to help maintain the efficiency safety and reliability of the appliance 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 Greenstar Si Compact 6 720 813 279 2014 09 Controls CAWWORCESTER Bosch Group 3 Controls gt Togain access to the boi er controls pull the flap down using the curved flap handle Fig 1 Basic boiler controls 1 Service menu back button 9 Scroll down button Boiler 2 Service engineer symbol boiler is setto maximum 10 The blue light is ON when the boiler is in an Controls or minimum output for service operational mode 3 Eco button It will also flash to indicate a fault 4 Reset button 11 Position for optional programmer 5 Boiler display 12 Hot water temperature control 6 Central heating temperature control 13 Diagnostic port 7 Scroll up button 8 OK Select confirmation button 14 Central heating system pressure gauge for Worcester service engineer use only Greenstar Si Compact 6 720 813 279 2014 09 CAWWORCESTER Bosch Group Controls Display symbols SCREEN DISPLAY BRIEF DESCRIPT
14. ill flash e g EA reset your boiler 6720643358 14 1Wo 7 2 Boiler reset 1 Toreset the boiler press reset Reset and YW are briefly displayed If the reset was successful the boiler will return to normal operation If the reset was not successful then the alert code will be displayed again and the blue operation fault light will continue to flash vvn 6720643358 09 2Wo Due to the internal safety systems of your Greenstar CDi Compact boiler some codes cannot be cleared by a simple reset Please contact Worcester Bosch Group for further assistance When calling Worcester Bosch Group about a fault it will be useful to quote the alert code and three digit number under the alert code e g EA and 227 If there is a fault that cannot be reset by you the user then a service engineer visit will be necessary 18 Greenstar Si Compact 6 720 813 279 2014 09 CAWWORCESTER Bosch Group Fault finding 7 3 Extreme cold weather In certain 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 Afrozen blocked condensate pipe will cause the boiler to shut down Worcester Bosch Group have available on our website helpful videos in the Customer service section WARNING Falling hazard A Failure to follow this guidance may result in
15. ine up with the closed padlock symbol This bridges the gap between the two sections of the filling loop 3 Turn the white knob to the left this will allow water to fill the system 4 When the pressure shown on the boiler fascia pressure gauge reaches between the 1 and 1 5 bar marks zone A turn the white knob to the right to close the valve Do not overtighten 5 Turn the filling key to the left to the stop so that the arrow lines up with the open padlock symbol and pull the key straight down to remove Please remember to store the key in the bottom panel 6720643356 10 3Wo agii Fig 5 Keyed filling link If the pressure gauge reads more than 1 5 bar as a result of over filling bleed one radiator until the pressure gauge returns to between 1 and 1 5 bar Greenstar Si Compact 6 720 813 279 2014 09 13 CAWWORCESTER System Pressure Bosch Group 4 5 External filling loop NOTICE External filling loops gt Ifthe filling loop does not look like the one shown in the figure below or you cannot find your filling loop contact your installer gt To comply with Water Authority regulations you must disconnect the external filling loop after re pressurisation Once the external filling loop has been located follow the instructions for re pressurising the system 1 Unscrew blanking cap 2 Attach the hose to the valves screw on hand tight
16. l forward and down to remove 6720646608 28 1Wo Fig 2 Bottom panel 67206800521 02 2Wo Fig 3 Integral filling link location Greenstar Si Compact 6 720 813 279 2014 09 11 CAWWORCESTER System Pressure Bosch Group 4 3 Optional integral keyless filling link Locate filling link and follow instructions for re pressurising 1 Ifthe needle on the appliance pressure gauge reads less than 1 bar re charge the system 2 Pull the blue lever down to start the filling process 3 Monitor the pressure gauge on the boiler facia 15 bar b Max 6 2 Pg 1 bar gia N s A Min 5 gt 2 VG 0 ba 4 2 Fig 4 Keyless filling link 4 When the needle reaches between 1 to 1 5 bar on the gauge release the blue lever to stop the filling process If the pressure gauge reads more than 1 5 bar as a result of over filling bleed one radiator until the pressure gauge returns to between 1 and 1 5 bar 12 Greenstar Si Compact 6 720 813 279 2014 09 CAWWORCESTER Bosch Group System Pressure 4 4 Optional integral keyed filling link Locate filling key and follow instructions for re pressurising 1 Push the filling key firmly into the body of the filling link ensuring the arrow on the key shaft lines up with the open padlock symbol 2 Turn the filling key to the right to the stop ensure the key is locked and that it cannot still turn The arrow should l
17. ler 3 1 1 Boiler display This is typical of the display when the boiler is not supplying a central heating or hot water demand The display will not be backlit and the internal temperature of the boiler is displayed When heat is demanded and the boiler fires up the flame symbol will be displayed 3 1 2 Setting the boiler flow temperature for the central heating system 6720813275 01 1Wo 1 Turnthe central heating temperature control knob to the desired flow temperature between 30 and 82 C this will be indicated on the digital display This is not the room temperature but the flow temperature through the radiators The e point provides guidance for the maximum temperature setting for optimum energy efficiency 2 The radiator symbol will be displayed to confirm that the a central heating setting is being changed a 3 The value is displayed during this process press the default screen to exit or after five seconds of inactivity the boiler display will return to I Fac 6720643358 03 1Wo gt Comfort levels within rooms should be controlled by your thermostatic radiator valves and or room thermostat Greenstar Si Compact 6 720 813 279 2014 09 CAWWORCESTER Bosch Group Controls 3 1 3 Boiler frost protection If you are leaving your property unoccupied during cold weather please leave your programmer on constant and your room t
18. lly except primary room with the room thermostat using the thermostatic radiator valves Room thermostats Reducing the setting of the room thermostat by 1 C can reduce fuel consumption by up to 10 New control systems Upgrade your heating control system if necessary with the latest equipment available 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 200mm thickness or more 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 Radiators If a radiator is sited underneath a window its performance will be affected if the curtains are allowed to drape over the radiator Shelves fitted above or in front of the radiator should also be avoided It is advisable to manually adjust all thermostatic radiator valves every 2 3 months to prevent them sticking Ensure radiator valves are correctly set and not damaged Draughts Try to ensure that draughts around doors windows letter boxes and keyholes etc are reduced by using a suitable draught excluder WARNING Air vents N gt Do not block or seal any air vents that are installed to ensure that the central heating appliance operates safely Curtains Lined curtains or heavier full length curtains can provide excellent insulation
19. mbustible materials paper thinners paints propellants cleaning agents etc inside the cupboard containing the appliance or within the vicinity of the appliance Fittings and modifications Only a competent engineer can remove the appliance case and carry out any work in accordance with the Gas Safety Installation and Use Regulations Donot remove the appliance case Any misuse or unauthorised modifications to the appliance flue or associated accessories and heating system will invalidate the guarantee Do not modify the appliance or flue system in any way Worcester Bosch Group accepts no liability arising from any such actions This does not affect your statutory rights Cleaning the appliance case Use a damp soft cloth to clean the outer painted metal case of the appliance do not use chemicals or abrasive materials 2 General information 2 1 Energy efficiency Energy efficiency information is given in the Installation Commissioning and Servicing Instructions supplied with the appliance 2 2 Servicing 2 3 Benchmark standard benchman The Benchmark initiative is a code of practice to encourage the correct installation commissioning and servicing of domestic central heating appliances and system equipment THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS A checklist is dispatched with every appliance and can be found towar
20. 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 Greenstar Si Compact 6 720 813 279 2014 09 23 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 6 720 813 279 2014 09 WORCESTER BOSCH GROUP TECHNICAL SUPPORT 0330 123 3366 APPOINTMENTS VERURYEEEEK SPARES 0330 123 9779 LITERATURE 0330 123 9119 TRAINING 0330 123 0166 SALES 0330 123 9669 ANNORCESTER Bosch Group
21. ouseholder 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 guarantee against faulty material or manufacturer subject to Terms and Conditions To read the full Terms 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 2552 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 Model Serial No 1 Type size Date of installation Name of Installer Telephone number of Installer Table 4 1 Seeboiler identification label on boiler fascia or Benchmark Checklist in the back of the Installation Commissioning amp Servicing Instructions 22 Greenstar Si Compact 6 720 813 279 2014 09 CAWWORCESTER Bosc
22. personal injury gt Only attempt to thaw a condense pipe that is at ground level and 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 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 obstruction 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 Care must be taken at pedestrian areas where this water may freeze and create a slip hazard gt Worcester Bosch Group have available on our website helpful videos in the Customer service section to aid in thawing a frozen pipe 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 Ifthe boiler does not restart con
23. rmostat is set too high Turn down room thermostat Radiators are too hot high Temperature control on appliance set too Reduce central heating temperature by turning down the Central Heating control on appliance Note This could prevent your property reaching the desired temperature during cold weather periods Heating stays on for too Clock is incorrectly set long Check clock setting and adjust No blue Operation Fault Momentary power failure Indicator demand Disconnect boiler supply wait a few seconds then reconnect too low Water flow at tap too high Heat requirement demand operation on gt Ask your installer to reset the blue light light has been deactivated Hot water temperature Temperature set too low on boiler controls gt Check setting and adjust gt Reduce flow rate at tap Air trapped in heating system gt Bleed radiators and re pressurise the heating system Low system water pressure gt Re pressurise the system refer to page 11 Hot water temperature Temperature set too high on boiler controls Check setting and adjust gt Increase flow rate at tap too high Water flow at tap too low Table3 Fault finding Greenstar Si Compact 6 720 813 279 2014 09 17 WORCESTER Bosch Group Fault finding 7 1 Boiler alert state In the event of an alert a fault code and an alert symbol A will be displayed on the boiler display and the blue operation fault light w
24. t water system cec cece eee aee 9 3 1 6 Domestic hot water preheat with fascia timer TIELGG sesasine e 9 3 1 7 Domestic hot water preheat without fascia timer fitted onau AAEE 10 3 1 8 Domestic hot water eco mode 10 3 1 9 Turn off the Operation fault diagnostic light DDG E cavers vast onsniee avait 10 4 System Pressure ccceeeececeeceees 11 4 1 Sealed heating systems AE Mil 4 2 Locating the integral filling link ssa 11 4 3 Optional integral keyless filling link 12 4 4 Optional integral keyed fillinglink 13 4 5 Externalfillingloop 8 14 5 Service Clearances cececeeeeeeee 15 6 Maintaining your appliance 16 7 Fault Finding sscscecccssssessececsnes 7 1 Boileralertstate 7 2 Boilerreset 7 3 Extreme cold weather 8 Faultor Breakdown cececeeees 20 Greenstar Si Compact 6 720 813 279 2014 09 3 Key to symbols and safety instructions CAWWORCESTER Bosch Group 1 Key to symbols and safety instructions 1 1 Key to symbols Warnings Safety instructions in this document are framed and identified by a warning triangle which is printed on a grey background A The following keywords are defined and can be used in this document NOTICE indicates a situation that could result in damage to property or equipment CAUTION indicates a situation
25. tact Worcester Bosch Group Appointments Team on 0330 123 9339 gt Contact your installer in order to find a permanent solution to the problem Greenstar Si Compact 6 720 813 279 2014 09 19 CAWORCESTER Fault or breakdown Bosch Group 8 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 i Invoices for attendance and repair work carried out on this boiler by any third party will not be accepted 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 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 The cause of breakdown is misuse or with other parts of your plumbing heating system or with equipment not supplied by Worcester Bosch Group Technical support 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 In the event of a boiler fault or breakdown please contact Worcester Bosch Group appointments t
26. that could result in minor to medium injury 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 This symbol indicates important information where there is no risk to people or property H Additional symbols Symbol Meaning 1 a numbered step in an action sequence gt a step in an action sequence gt areference to a related part in the document or to other related documents a reference number to identify or refer to a part or item alist entry alist entry second level Table 1 Examples of additional symbols used Anumbered step in an action sequence A sequence of numbered steps or actions carried out ina specific order to complete a task 1 First action 2 Second action 3 Third action etc Astep in an action sequence A sequence of defined actions or steps carried out in order to complete a task gt Action gt Next action gt etc Areference to a related part in the document or to other related documents To refer the reader to a specific figure table section within the manual gt e g figure 1 Areference number to identify or refer to a part or item In arelated figure items or parts identified by a sequential number List entries first and second levels Asingle component item Acomponent list made up of multiple parts
27. y PreHeat mode is active and indicated on the appliance display mW ras al nl bal 3 1 9 Turn off the Operation fault diagnostic light blue n l p pE a T ale S a A VF Sp j O 6720813275 03 1Wo You may choose to deactivate the operation fault diagnostic light Please ask your installer to set up this feature The light will still flash to alert you to a possible fault but will not activate during a heat requirement demand for heating or hot water 10 Greenstar Si Compact 6 720 813 279 2014 09 CAWWORCESTER Bosch Group System Pressure 4 System Pressure 4 1 Sealed heating system This boiler is fitted to a sealed heating system which is pre pressurised Your installer will advise you of the minimum and maximum pressure indicated on the pressure gauge gt Check regularly that the pressure is maintained gt Ifthe pressure gauge reads less than 1 bar then the system requires re charging gt Contact your installer or maintenance engineer if a permanent significant decrease or increase in pressure is indicated on the pressure gauge The filling method will be one of three types Optional Keyless integral filling link Optional Keyed integral filling link An external filling loop fitted valves and flexible hose 4 2 Locating the integral filling link Removing the bottom panel 1 Pullthe catch down 2 Slide the pane
28. yed Preheat mode the hot water heat exchanger is kept pre heated to reduce the time taken to deliver hot water at the tap In the Preheat mode if there has been no demand for hot water for 24 hours the appliance will save energy by suspending Preheat until there is a demand for hot water At this time Preheat mode is re activated It is advised to use a twin channel programmer to time the Preheat function and switch it off when it is not needed Greenstar Si Compact 6 720 813 279 2014 09 9 Controls CAWWORCESTER Bosch Group 3 1 7 Domestic hot water preheat mode manual activation Eco mode off Eco mode is enabled by default and the PreHeat can be can be enabled 1 Press and hold displayed eco eco gt To exit PreHeat mode and return to PreHeat press and hold for at least four seconds to enter the PreHeat mode when preheat mode is active PreHeat will be for at least four seconds PreHeat will be displayed mW ras ee J N ae ond 6720813275 02 1Wo 3 1 8 Domestic hot water preheat mode timed activation with fascia timer or external timer connected eco mode off When a twin channel programmer is fitted connected the Preheat Eco option can be selected via the programmer Programmer hot water channel ON periods Programmer hot water channel OFF periods Eco mode active and indicated on the appliance displa
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