Bosch Appliances 28CDI manual

24CDi , 28CDi & 35CDi II CO MBI USER INSTRUCTIONS & CUSTOMER CARE GUIDE G.C. NUMBERS APPLIANCE NA TUR AL GAS L.P .G. 24CDi F anned Flued (RSF) 47 311 30 47 311 31 24CDi Balanced Flued (BF) 47 311 29 24CDi Open Flued (OF) 47 311 32 47 311 33 28CDi F anned Flue (RSF) 47 311 34 47 311 35 35CDi II F anned Flue (RSF) 47 311 58 47 311 59 V ote fo[...]

EXCELLENCE COMES A S STANDARD Thank you for purchasing a Worcester CDi gas-fired combi- nation appliance. The CDi appliances are made by Worcester and the strictest quality control standards are demanded throughout ever y stage of production. Indeed, Worcester , part of the Bosch Group have led the field in innovative appli- ance design and perform[...]

GENER AL INFORMA TION GA S SAFETY (INSTALL A TION AND USE) REGUL A TIONS 1998 It is the law , in GB, that all gas appliances must be installed by a competent person in accordance with the above regulations. F ailure to install appliances correctly could lead to prosecution. It is in your interest and that of safety to ensure compliance with the law[...]

4 Hot W ater Mode: The appliance operates to supply only domestic hot water when the heating temperature mode is fully anti-clockwise, at the – posi- tion or the timer is programmed to OFF mode. A flow restrictor is fitted within the appliance which limits a hot water deliver y rate to a maximum of: 24CDi 9.0 (±15%) litres/minute 28CDi 10.0 (±1[...]

5 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. Mak e sure[...]

6 CLEARANCES Minimum clearances in millimetres. Y our installer will have provided adequate space around the appliance for safety and ser vicing. Do not restrict this space by the addition of cupboards, shelves etc. close to the appliance. ROOM THERMOSTA T A room thermostat may be fitted for control of the central heat- ing temperature. It will be [...]

7 The water hardness may be determined using the standard test paper or by reference to the local Water Company . F urther information may be obtained from Worcester Bosch T echnical Helpline. AIR SUPPL Y FOR OPEN FLUED (O.F .) APPLIANCES Y our installer will have made arrangements for an adequate sup- ply of fresh air to the appliance. F resh air [...]

8 OPER A TION OF CONTROLS OPERATING SWITCH In the ‘’ position there is no mains electricity to the appliance. In the ‘I’ position mains electricity is connected to the appliance. CENTRAL HEATING TEMPERA TURE CONTROL The position of this knob will determine the temperature of the water delivered to the radiators between the ‘I’ and ‘MA[...]

9 INDICA TOR LIGHTS Mains electricity indicator: OFF : No mains electricity to the appliance ON : Mains electricity is connected to the appliance Central heating demand indicator: OFF : No demand for heat to the central heating circuit ON : Central heating demand FL A SHING SLOW : Ignition lockout (once per second) FL A SHING FAST : Appliance fault[...]

10 TO LIGHT THE APPLIANCE Check that the water valves to the central heating circuit are open. On sealed systems check that the grey needle on the pressure gauge is not below the required pressure. Switch on the mains electricity . The green power on indicator will light. Set the room thermostat, if fitted, to maximum. T urn the central heating tem[...]

11 The appliance can be reset by pressing the reset button and holding in for 5 seconds. IGNITION LOCKOUT The appliance will enter a lockout condition in the event of the burner failing to ignite. If the burner fails to light within a preset time of 10 seconds the electricity supply to the gas valve will be interrupted. If ignition lockout has occu[...]

12 A diagnostic system is provided which gives a flashing light dis- play on the facia panel. Press the reset button to attempt to restart the appliance. If the appliance does not return to normal operation then contact your installer or Worcester Bosch. More than 30% of all calls made to our contact centre reporting appliance faults or breakdowns [...]

13 MAINTAINING Y OUR APPLIANCE Y our new Worcester CDi 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 essential that your boiler receives regular, competent servicing and annual ma[...]

CONTACT NUMBERS: UK Contact Centre T el. 08457 256 206 UK Contact Centre F ax. 01905 757536 Scotland only F ax. 01506 441 687 Eire T el: 01 494 0099 OPERATING HOURS: Mon - F ri 7.00am to 8.00pm Sat 8.00am to 5.00pm Sun 9.00am to 12.00pm Please contact our UK Contact Centre number where our friendly oper- ators will book your call with one of our te[...]

15 Y OUR WORCESTER CDi COMBI GU AR ANTEE This appliance is guaranteed from the date of installation subject to the following conditions & exceptions. 1. The appliance is guaranteed for a period of 24 calendar months sub- ject to the return of the guarantee card within 30 days of installation and the first 12 months ser vice and inspection havin[...]

8 716 114 647a (10/07) GU AR ANTEE REGISTR A TION Y ou should complete and return the postpaid Guarantee Registration Card within 30 days of purchase. The card will register you as the owner of your new Worcester CDi appliance and, while this will not affect your statutor y rights in any way , it will assist us to maintain an effec- tive and effici[...]