Worcester 24I RSF Spezifikationen

24i RSFWALL MOUNTED COMBINATION BOILER FOR CENTRAL HEATINGAND MAINS FED DOMESTIC HOT WATERINSTALLATION ANDSERVICING INSTRUCTIONSGC NUMBERSN.G. 47 311

10Fig. 9. Functional flow diagram.F1 2ATHRCF2 1.25ATOptional linksSparkFlame senseOutputs InputsMainsindicatorModulatingvalveOverheat statX6 Pins 8 &a

Technical Helpline.Note: READ THIS SECTION FULLY BEFORE COMMENCINGINSTALLATION.11.1 GeneralThe appliance is only suitable for fitting to a sealed syst

11.8 Air and Flue Duct PreparationThe method of installation of the flue system may be varied tosuit the actual site conditions. The instructions for

If L is between:725 - 1175mm (1 extension)1475 - 1925mm (2 extension)2225 - 2500mm (3 extension)it is necessary to shorten the assembly by cutting the

11.12 Flue Bends90° and 45° bends are available. A maximum of two bends maybe used in addition to the first bend on the flue turret.A 90° bend is equi

11.13 Vertical Adapter for Horizontal FluesAn adapter is available for an initial short section of vertical flue.Refer to Fig. 22.Measure and cut the

Benchmark Water Treatment: For optimum performance afterinstallation, this boiler and its associated central heatingsystem should be flushed in accord

If the pressure indicated on the pressure gauge is greater than2.6 bar when operating at the maximum central heatingtemperature, an extra expansion ve

13.1 Tell the user how to operate the appliance and hand overthe Users Instructions leaflet.13.2 Tell the user what to do if the heating system is not

14.3 DISMANTLE THE APPLIANCETo carry out a full and comprehensive service of the applianceremove the following parts to gain access to the componentsw

1.1 Gas Safety (Installation and Use) Regulations, October 1994 allgas appliances must be installed by a competent person inaccordance with the above

15.1 IMPORTANTSwitch off the electricity and gas supplies before replacing anycomponents. After the replacement of any components, checkfor gas soundn

6. Combustion Chamber Insulation.Check that the electricity supply to the appliance is turned off.Drain the central heating circuit as described in Se

sink compound between the faces. Refit the leads.13. Domestic Hot Water Sensor.Check that the electricity supply to the appliance is turned off.Hinge

20. Control Board.Check that the electricity supply to the appliance is turned off.Undo the 3 screws and remove the facia bottom panel.Remove the two

24End of a domestichot water overrunEscape pause byresetting the mainselectricity supplyOFF-ONAnti-cycle delayMain gas valveOFF6EITHERAUTOMATIC START-

25Signal from theflow switchHOT WATERDEMAND(Overrides all otheroverrun modesand functions)No demand andprimarytemperature below6°C monitored bythe cen

26F1 2ATHRCF2 1.25ATOptional linksSparkFlame senseOutputs InputsMainsindicatorModulatingvalveOverheat statX6 Pins 8 & 9X6 Pins 15 & 16X6 Pins

27Fault inCentral HeatingFault inDomestic Hot WaterIs mains LED flashing?Is mains LEDiluminated?Turn control knobfully clockwiseSet room stat to call

28No mains LEDConnect mainssupplyReplace fuseIs F1 (2ATHRC) OK?Is F2 (1.25AT) OK?Faulty PCBReplaceFlashing mains LEDRemove X6Open circuit?Replace ther

29The overheat thermostat can bereset by pressing the reset button,but if it trips immediately or on aregular basis a serious problem hasoccurred ther

Fully modulating controls in the central heating and domestic hotwater modes of operation.An expansion vessel, pressure gauge and pressure relief valv

30Thermistor CheckHarness Continuity CheckHarness Short CheckRemove connectorsfrom thermistorThermistor OKRemove appropriateconnectorsIs continuity ob

31Ignition CheckIs fan running?Is sparking present atthe electrodes?Faulty PCBReplaceConnect ignition leadssecurelyAre leads breakingdown?Ignition coi

32Remove BROWN andWHITE terminalsfrom air pressure switchAir pressure switchfaultyWith no demand, is ashort-circuit observedat exposed APS terminals?

With pressure above minimum, remove ModuregLead. Does pressure drop to minimum? 33Is minimum pressureobserved at burner at alltimes?Modulating Valve C

34Key G.C. No. Part Manufacturer’s Reference Qty WHSNo. Part No.1 E01-579 Burner Assembly Natural Gas Aeromatic AC23/053586 1 8 716 142 604 0E01

3598143211151342211712102320625 24219181623

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 data plate is fixed to the inner casing cover.3. Data Tables4NOMINAL BOILER RATINGSOUTPUT INPUT (Net).BURNER SETTINGGAS RATEPRESSUREkW Btu/h kW Bt

4.1 The appliance may be installed in any room althoughparticular attention is drawn to the requirements of the currentIEE Wiring Regulations BS 7671

See Fig. 3.5.1 The flue must be installed as specified in BS 5440:Part 1.5.2 The terminal must not cause an obstruction nor thedischarge cause a nuisa

See Figs. 4.7.1 The system must comply with the requirements of BS 6798and BS 5449.7.2 The appliance must not be operated without the systembeing full

9.1 The following are general requirements and, if necessary,reference should be made to the local Water Company beforefitting the appliance.9.2 MAINS

10.1 MAINS SUPPLY.230 V ~, 50 Hz, 180 watts.External Fuse: 3A. Internal Fuses: 2AT HRC(F1), and 1.AF (F2).10.2 It must be possible to completely isol