Bosch 24I RSF - Manuals

2. If L is within the range 127mm to 350mm then the flue can be telescopically adjusted to the correct length ( L +184mm for side flues or L +181mm for rear flues). The ducts are then fixed by drilling a pilot hole through the hole in the air duct and screwingthe self tapping screw provided into the...

11.5 INTERNAL FITTING OF THE DUCT ASSEMBLY The rubber sealing gasket and the clamping ring are available fromWorcester Heat Systems.Measure and cut the ducts as previously described for externalfitting (Section 11.4). Fix the ducts to the terminal and fit the rubbersealing gasket and clamp to the te...

12.1 SUMMARY The appliance is dispatched with the controls set to provide amaximum output for domestic hot water and central heating of23.4 kW (80,000 Btu/h). The appliance automatically modulatesto satisfy lower heat loads. Domestic Hot Water and Central Heating Systems. Check that both the mains w...

13.1 Tell the user how to operate the appliance and hand over the Users Instructions leaflet. 13.2 Tell the user what to do if the heating system is not to be used in frosty weather. 13.3 Tell the user the sealed system set pressure. 1 3 . 4 Te l l t h e u s e r o f t h e i m p o r ta n c e o f re g...

15.1 IMPORTANT Switch off the electricity and gas supplies before replacing anycomponents. After the replacement of any components, checkfor gas soundness where relevant and carry out functionalchecks as described in Section 12 - Commissioning 15.2 COMPONENT ACCESS To replace components it is necess...

6. Combustion Chamber Insulation. Check that the electricity supply to the appliance is turned off.Drain the central heating circuit as described in Section 15.3(a).Remove the inner casing cover, fan, flue hood assembly, burner,and Gas to Water heat exchanger as described in Sections 14.3(b, e and f...

20. Control Board. Check that the electricity supply to the appliance is turned off.Undo the 3 screws and remove the facia bottom panel.Re m ove t h e t wo u p p e r s c re ws a n d h i n g e d o w n t h e fa c i aassembly.Carefully pull off all the connectors. Disconnect the mains supplylead at ter...

24 End of a domestic hot w ater o verrun Escape pause b y resetting the mains electricity supply OFF-ON Anti-cy cle dela y M ain gas v alv e OFF 6 EITHER AUT OMA TIC ST ART -UP SEQUENCE 1. Central Heating Mode NO P ASS PRESENT PRESENT ABSENT ABSENT F AIL YES Centr al heating temper atur e 5°C abo ve...

29 The overheat thermostat can be reset by pressing the reset button, but if it trips immediately or on a regular basis a serious problem has occurred therefore contact your installer Reset thermostat Overheat Thermostat Check Pump Check Fan Check Does button hold in? Secure Connector Secure Connect...

31 Ignition Check Is fan running? Is sparking present at the electrodes? Faulty PCB Replace Connect ignition leads securely Are leads breaking down? Ignition coil faulty replace PCB Replace leads Does burner continue? Does gas pressure modulate? Ignition OK Faulty PCB Replace Is flame sense electrod...

32 Remove BROWN and WHITE terminals from air pressure switch Air pressure switch faulty With no demand, is a short-circuit observed at exposed APS terminals? Reconnect the WHITE & BROWN wire and remove the GREEN wire. Initiate a demand. Does the fan run? PCB faulty Air pressure switch faulty APS...

34 Key G.C. No. Part Manufacturer’s Reference Qty WHS No. Part No. 1 E01-579 Burner Assembly Natural Gas Aeromatic AC23/053586 1 8 716 142 604 0 E01-580 Burner Assembly LPG Aeromatic AC23/053587 1 8 716 142 611 0 2 E01-591 Injector Natural Gas Stereomatic O 4.3mm 1 8 716 140 224 0 E00-741 Injector L...

This booklet is accurate at the date of printing but will be superseded and should be disregarded if specifications and/or appearances are changed in the interests of continued improvement. All goods sold are subject to our official Conditions of Sale, a copy of which may be obtained on application....