Worcester GREENSTAR CDi CLASSIC 29CDi GC User Instructions
Wall hung rsf gas fired condensing combination boiler
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USER INSTRUCTIONS
WALL HUNG RSF GAS FIRED CONDENSING COMBINATION BOILER
GREENSTAR CDi CLASSIC
FOR SEALED CENTRAL HEATING SYSTEMS AND MAINS FED DOMESTIC HOT WATER
The appliances are for use with:
Natural Gas or L.P.G. (Catt II type C13 & C33)
Natural Gas: 29CDi GC number 47-406-34
34CDi GC number 47-406-36
38CDi GC number 47-406-38
42CDi GC number 47-406-10
L.P.G.: 29CDi GC number 47-406-35
34CDi GC number 47-406-37
38CDi GC number 47-406-39
42CDi GC number 47-406-11
UK/IE
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Summary of Contents for Worcester GREENSTAR CDi CLASSIC 29CDi GC
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Page 1: User Instructions
USER INSTRUCTIONS WALL HUNG RSF GAS FIRED CONDENSING COMBINATION BOILER GREENSTAR CDi CLASSIC FOR SEALED CENTRAL HEATING SYSTEMS AND MAINS FED DOMESTIC HOT WATER The appliances are for use with: Natural Gas or L.P.G. (Catt II type C13 & C33) Natural Gas: 29CDi GC number 47-406-34 34CDi GC number 47-406-36 38CDi GC number 47-406-38... -
Page 2: Table Of Contents
SEDBUK Band A, and is therefore amongst the top energy rated boilers available. There is also the reassurance 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. -
Page 3: Symbols And Safety Precautions
SYMBOLS AND SAFETY PRECAUTIONS SYMBOLS AND SAFETY PRECAUTIONS 1.1 EXPLANATION OF SYMBOLS WARNING SYMBOLS Safety instructions in this document are framed and identified by a warning triangle which is printed on a grey background. Signal words indicate the seriousness of the hazard in terms of the consequences of not following the safety instructions. •... -
Page 4: General Information
Benchmark Checklist and service interval record can be found at the rear of the Installation, Commissioning and Servicing Instructions. • The boiler must be serviced regularly by a competent, qualified person, such as a Worcester service engineer or other Gas Safe registered engineer. -
Page 5: Operating The Boiler
OPERATING THE BOILER OPERATING THE BOILER 3.1 CONTROLS reset 6720647361-71.1Wo MAIN POWER ON/OFF BUTTON COVER OR POSITION FOR OPTIONAL PLUG-IN CONTROLLER DISPLAY SYSTEM PRESSURE GAUGE RESET BUTTON ECO BUTTON (DOMESTIC HOT WATER PRE-HEAT ON/OFF) HOLIDAY BUTTON DOMESTIC HOT WATER TEMPERATURE CONTROL CENTRAL HEATING TEMPERATURE CONTROL SERVICE ENGINEER BUTTON ONLY SERVICE ENGINEER BUTTON ONLY... -
Page 6: Switching The Boiler On/Off
OPERATING THE BOILER 3.2 SWITCHING THE BOILER ON/OFF Switching on B Switch on the boiler by pressing the main power button. The power button light shows blue. reset The boiler runs for 15 minutes at minimum heating output to fill the condensate trap. The display alternates between and the central heating flow temperature. -
Page 7: 1Controlling The Central Heating
OPERATING THE BOILER 3.3.1 CONTROLLING THE CENTRAL HEATING Central heating systems must be controlled effectively using a programmer or timer and a room thermostat. B For further information on how to control your central heating system please refer to the individual user guides for the programmer or timer installed in your home. -
Page 8: Domestic Hot Water Pre-Heat
OPERATING THE BOILER 3.6 DOMESTIC HOT WATER PRE-HEAT You can choose to run your boiler in pre-heat mode or in ECO mode. Pre-heat reduces the time taken to produce hot water at the tap and is controlled by the ECO button. When the ECO button is illuminated, the boiler runs in ECO mode and pre-heat is not available. -
Page 9: Fault Condition
B Refer to the fault finding section on page 12 of this user guide. B Call Worcester, Bosch Group, giving a description of the fault and, if possible, the fault code from the seven segment display. Alternatively contact other Gas Safe registered personnel for assistance. -
Page 10: Maintenance
MAINTENANCE MAINTENANCE 4.1 RE-PRESSURING THE HEATING SYSTEM It is important to regularly check the pressure gauge on your combination boiler to keep it running efficiently. The pressure should be at an optimum level of 1.5 bar. If the pressure falls below 1 bar the boiler may stop working and require re-pressurising &... - Page 11 MAINTENANCE 4. Test whether the filling key is locked properly in closed padlock position by pulling down on the key. If the key is loose, can be rotated or pulled out of the filling link please repeat steps 1 to 3. 5.
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Page 12: Fault Finding
MAINTENANCE 4.2 FAULT FINDING This table gives information on basic operating system problems. Problem Cause Remedy EA fault code flashing on No gas supply/low gas supply pressure B Contact your gas supplier. display Condensate outlet blocked B If it is safe to do so, check your condensate pipe outlet for blockages, such as ice or foreign objects. -
Page 13: Error Codes
MAINTENANCE 4.3 ERROR CODES When calling Worcester, Bosch Group, you may be asked for the error code. This Table is for you to help identify the possible cause of the fault. B Do not try to rectify any of the faults listed below by yourself. -
Page 14: Extreme Cold Weather
B 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. B If the boiler does not restart, contact Worcester, Bosch Group Appointments Team on: 0844 892 3000. -
Page 15: General Notes
GENERAL NOTES GENERAL NOTES SEALED HEATING SYSTEMS This boiler is fitted to a sealed heating system which is pre-pressurised. The optimum level for system pressure on a Greenstar CDi Combination boiler is 1.5 bar indicated on the pressure gauge. B Check regularly that the pressure is maintained. B Contact your installer or maintenace engineer if a permanent significant drop is indicated on the pressure gauge. -
Page 16: Fault Or Breakdown
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 team on 0844 892 3000. 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). -
Page 17: Tips On Energy Saving
TIPS ON ENERGY SAVING TIPS ON ENERGY SAVING HEATING ECONOMICALLY The boiler is designed to provide a level of comfort while keeping gas consumption and the resulting environmental effect as low as possible. The gas supply to the burner is controlled according to the level of demand for heat. The boiler continues to operate with a low flame if the demand of heat reduces. -
Page 18: Your Guarantee
Your Greenstar boiler carries a two year guarantee against faulty material or manufacture subject to Terms and Conditions. To read the full Terms & 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. -
Page 19: Glossary
GLOSSARY 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. - Page 20 LITERATURE: 0844 892 9800 TRAINING: 01905 752526 SALES: 01905 752640 Worcester, Bosch Group Cotswold Way, Warndon, Worcester WR4 9SW. Tel. 0844 892 9900 Worcester, Bosch Group is a brand name of Bosch Thermotechnology Ltd. worcester-bosch.co.uk 6 720 803 600 (2012/06)