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24i, 28i RSF COMBI
24i
28i
USER INSTRUCTIONS &
CUSTOMER CARE GUIDE
Supplied By www.heating spares.co Tel. 0161 620 6677
G.C. NUMBERS
NATURAL GAS
47 311 37
47 311 54
L.P.G.
47 311 38

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Summary of Contents for Worcester 24i

  • Page 1 24i, 28i RSF COMBI G.C. NUMBERS NATURAL GAS L.P.G. 47 311 37 47 311 38 47 311 54 USER INSTRUCTIONS & CUSTOMER CARE GUIDE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 2 No wonder that more and more people are agreeing that when it is gas, it has to be a Worcester 24i or 28i CONTENTS Page No. Operating Instructions ........
  • Page 3: General Information

    The WORCESTER 24i or 28i is a combined domestic hot water and central heating appliance. It consists of a gas fired boiler having a varying output of between 7.5 kW and 23.4 kW (24i) or 8.5 kw and 27.5 kw (28i), a combined heat-exchanger and all necessary controls to provide mains fed domestic hot water and central heating.
  • Page 4 A flow restrictor is fitted within the appliance which limits the hot water delivery rate to a maximum of 8.0 (±15%) litres/minute (1.8 gallons/minute) 24i or 10 (±15%) litres/minute (2.2 gallons/minute) 28i. Hot Water and Central Heating mode: When a demand is made for heating by the system controls (i.e. a programmer or room thermostat).
  • Page 5: General Notes

    GENERAL NOTES CENTRAL HEATING SYSTEM During the first few hours of operation of the central heating system, check that all radiators are being heated at an even rate. Should the upper area of a radiator be at a lower temperature than the base of the radiator, it should be vented by releasing air through the venting screw at the top of each radiator.
  • Page 6: Showers, Bidets, Taps And Mixing Valves

    ‘Ball-o-Fix’ type valves is recommended to avoid an excessive reduction in flow to individual outlets. For further information contact Worcester Heat Systems Ltd. HOT AND COLD FLOW If the flow of water demanded from both hot and cold service outlets is dependent upon mains supply, it may not be possible in some installations to operate all outlets simultaneously.
  • Page 7: Circulating Pump

    Annual servicing is important in order to ensure continuing high efficiency and long life for your appliance. In the event of any difficulty in making suitable servicing arrangements, Worcester Heat Systems Limited, your British Gas Engineer or other competent persons will discuss regular servicing arrangements and offer a comprehensive maintenance contract.
  • Page 8: Operation Of Controls

    OPERATION OF CONTROLS (See also label on inside of appliance front panel). The appliance is fitted with the following controls: CENTRAL HEATING TEMPERATURE The position of this knob will determine the temperature of the water delivered to the radiators between the ‘I’ and ‘MAX’ position. When the knob is turned anti-clockwise past the ‘I’...
  • Page 9 Fig. 2. 24i/28i Controls. Overheat cut-off button Mains indicator System pressure Central heating temperature gauge control and on/off knob Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 10: To Light And Stop The Appliance

    TO LIGHT AND STOP THE APPLIANCE TO LIGHT THE APPLIANCE Check that the water valves to the central heating circuit are open. Check that the grey needle on the pressure gauge is not below the required pressure. Switch on the mains electricity. The power on indicator will light.
  • Page 11: Electricity Supply Failure

    TO STOP THE APPLIANCE For Short Periods Turn the central heating temperature control knob fully anti- clockwise to the ‘ ’ position. Domestic Hot Water will still be available as required. For Long Periods Switch off the mains electricity. A facia mounted mechanical programmer will require resetting once the mains supply has been disconnected.
  • Page 12: Appliance Fails To Operate

    APPLIANCE FAILS TO OPERATE More than 30% of all calls made to Worcester Heat Systems to report appliance faults or breakdowns prove to be false alarms, as there is often a simple explanation for the apparent malfunction. So, to help you save time and money – not to mention frustration and inconvenience –...
  • Page 13: Maintaining Your Appliance

    MAINTAINING YOUR APPLIANCE Your new Worcester gas-fired appliance 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...
  • Page 14: Service Centres

    SERVICE CENTRES CONTACT NUMBERS: UK Call Centre Tel. 08457 256 206 UK Call Centre Fax. 01905 757536 Scotland only Fax. 01506 441 687 OPERATING HOURS: Mon - Fri 8.00am to 6.00pm 8.30am to 1.00pm Please contact our UK Call Centre number where our friendly operators will book your call with one of our team of nationwide engineers.
  • Page 15: Your Worcester Guarantee

    Number, Date of Installation. or defective in manufacture will be exchanged or repaired free of 4. That Worcester Heat Systems material charges and free of labour Limited will not accept charges by Worcester Heat Systems responsibility for damage caused by Limited.
  • Page 16: Guarantee Registration

    Registration Card within 14 days of purchase. The card will register you as the owner of your new Worcester appliance and, while this will not affect your statutory rights in any way, it will assist us to maintain an effective and efficient customer service by establishing a reference and permanent record for your boiler.

This manual is also suitable for:

28i

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