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USER INSTRUCTIONS &
CUSTOMER CARE GUIDE
Greenstar 25Si/30Si
WALL HUNG GAS-FIRED CONDENSING COMBINATION BOILER
FOR SEALED CENTRAL HEATING SYSTEMS & DOMESTIC HOT WATER
THIS BOILER IS USED WITH
NATURAL GAS OR LPG (Cat II 2H3P TYPE C13, C33 & C53)
NATURAL GAS 25 Si GC NUMBER: 47 311 84
30 Si GC NUMBER: 47 311 85
LIQUID PETROLEUM GAS 25 Si GC NUMBER: 47 311 88
30 Si GC NUMBER: 47 311 89
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CONTACT INFORMATION USER INSTRUCTIONS & CUSTOMER CARE GUIDE WORCESTER BOSCH: PLEASE READ THESE INSTRUCTIONS TECHNICAL: 08705 266241 CAREFULLY BEFORE OPERATING SERVICE: 08457 256206 YOUR BOILER LITERATURE: 01905 752556 THESE INSTRUCTIONS ARE APPLICABLE TO THE WORCESTER, SALES: 01905 752640 BOSCH GROUP BOILER MODEL(S) WEBSITE: www.worcester-bosch.co.uk 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 THE UK ONLY A
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CONTENTS INTRODUCTION DEDICATED TO HEATING COMFORT 1 SAFETY PRECAUTIONS 2 GENERAL NOTES 3 USING YOUR BOILER CONTROLS 6 OPERATING THE BOILER 7 Switching the boiler on/off 7 Setting the temperature 7 Controlling central heating 7 Frost protection 7 Controlling the hot water temperature 8 Domestic hot water pre-heat 8 Fault condition 9 MAINTENANCE MAINTAINING YOUR BOILER 10 FAULT FINDING 11 FAULT OR BREAKDOWN 12 ENERGY SAVING TIPS ON ENERGY SAVING 13 GUARANTEE YOUR GUARANTEE 15 GUARANTEE REGISTRATI
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SAFETY PRECAUTIONS IF YOU SMELL GAS! DO NOT SMOKE OR STRIKE MATCHES DO NOT TURN ELECTRICAL SWITCHES ON OR OFF PUT OUT NAKED FLAMES OPEN DOORS AND WINDOWS KEEP PEOPLE AWAY FROM THE AREA AFFECTED TURN OFF THE CONTROL VALVE AT THE METER CALL YOUR GAS COMPANY COMBUSTIBLE AND CORROSIVE MATERIALS Do not store or use any combustible materials (paper, thinners, paints etc.) inside or within the vicinity of the boiler. Chemically aggressive substances can corrode the boiler and invalidate a
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GENERAL NOTES SERVICING The boiler must be serviced regularly by a competent, qualified person, such as a Worcester service engineer or alternatively a British Gas or other CORGI registered person. Always use original spares, to help maintain the economy, safety and reliability of the boiler and to have the Service Record completed in the Benchmark checklist. IMPORTANT:- Ensure that the service engineer completes the Service Record in the Benchmark checklist after each service. The completed Ben
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GENERAL NOTES To get the best from your boiler please read these instructions carefully. SEALED HEATING SYSTEMS CLEARANCES - VENTILATED This boiler is fitted to a sealed heating COMPARTMENT system which is pre-pressurised. Your Your installer will have provided adequate installer will advise you of the minimum space around the boiler for safety and and maximum pressure which should be servicing access. Do not restrict this indicated on the pressure gauge. space with the addition of cupboards, Ch
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GENERAL NOTES BOILER CLEARANCES - + 30mm UNVENTILATED COMPARTMENT above elbow The diagram opposite shows the minimum space required to install and service the boiler inside an unventilated compartment. 200mm* ** Space required for unventilated areas with a removable door or panel. 200mm* *** 600mm clearance required to a fixed 100mm** surface for servicing. 600mm*** * The boiler must have more clearance in the unventilated compartment compared to the ventilated compartment. Two examples are sho
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CONTROLS To gain access to the boiler controls push at the top of the flap and release 9 5 1 6 7 8 1. MASTER SWITCH FOR ON/OFF 2. CENTRAL HEATING TEMPERATURE CONTROL 3. DOMESTIC HOT WATER TEMPERATURE CONTROL 4. MAINS ON/OFF INDICATOR + FAULT DIAGNOSTIC LIGHT 5. BURNER ON INDICATOR LIGHT (GREEN) 6. ECO BUTTON (DOMESTIC HOT WATER PRE-HEAT ON/OFF) 7. FAULT RESET BUTTON 8. SYSTEM PRESSURE GAUGE 2 4 3 9. POSITION FOR OPTIONAL PROGRAMMER 6 WORCESTER BOSCH GREENSTAR 25Si/30Si CONTROLS 8 716 115 169b
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OPERATING THE BOILER SWITCHING THE BOILER ON/OFF Switching on Switch on the boiler by pressing the main power button. The indicator light shows blue Switching off Switch off the boiler by pressing the master switch. The blue indicator light goes out. SETTING THE TEMPERATURE Turn the temperature control knob to the desired level, approximate temperatures for each setting are shown in the table opposite. When the burner is lit, the green indicator light underneath the on/off button is illuminat
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OPERATING THE BOILER CONTROLLING THE HOT WATER TEMPERATURE The hot water temperature can be set to between approximately 40°C and 60°C using the temperature control. DOMESTIC HOT WATER PRE-HEAT Pre-heat reduces the time taken to produce hot water at the tap and is controlled by the ECO button. Press and hold the ECO button for at least three seconds to select either, not illuminated or illuminated: When the ECO button is not illuminated the boiler will be in pre- heat mode (which will reduce th
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OPERATING THE BOILER FAULT CONDITION In the unlikely event of a fault occurring while the boiler is in operation: The reset button will flash once per second and the mains indicator (blue light) will flash at different speeds dependent on fault. To reset boiler press the reset button. The reset button will no longer be illuminated and the mains indicator will stop flashing. The boiler will function normally, dependent on programmer and room thermostat settings. If the electrical power to the bo
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MAINTAINING YOUR BOILER Your new Greenstar gas-fired 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 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 Group service contract, please tick the ap
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FAULT FINDING This table gives information on basic operating system problems. In the unlikely event of a boiler fault please read the following page thoroughly before contacting Worcester, Bosch Group. Problem Cause Remedy Desired room Thermostatic radiator Increase thermostatic temperature is not valve(s) set too low radiator valve setting(s) reached Temperature control for Increase CH flow CH flow on boiler set too temperature control low setting Air trapped in heating Bleed radiators and sys
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FAULT OR BREAKDOWN This boiler is supported in the UK and Eire by Worcester, Bosch Group. Specially trained, Worcester, Bosch Group Service Engineers are available to attend a breakdown occurring on this boiler. No charge will be made for parts and/or labour providing: An boiler fault is found and the boiler 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: The boiler has bee
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TIPS ON ENERGY SAVING HEATING ECONOMICALLY The boiler is designed to provide a high 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 the demand for heat reduces. The technical term for this process is modulating control. Modulating control reduces temperature fluctuations and provides even distribution o
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TIPS ON ENERGY SAVING 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 operates safely. 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. The
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YOUR GUARANTEE This boiler is guaranteed against faulty material or workmanship for a period of 2 years from the date of installation subject to the following terms and conditions: Your Guarantee Registration Card must be returned within 30 days for the second year of your guarantee to become valid. During the period of this guarantee any components of the unit which are proven to be faulty or defective in manufacture will be exchanged or repaired free of charge by Bosch Thermotechnology Ltd.
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GUARANTEE REGISTRATION You should complete and return the postpaid Guarantee Registration Card within 30 days of purchase. Returning the card will register you as the owner of your new Greenstar Si 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 install
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NOTES WORCESTER BOSCH GREENSTAR 25Si/30Si 8 716 115 169b (09/2008)
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USER INSTRUCTIONS & CUSTOMER CARE GUIDE Dedicated to heating comfort 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 brand name of Bosch Thermotechnology Ltd. 8 716 115 169b (09/2008)
