Saunier Duval THEMA F 23 E Service Manual

ThemaclassicF24EFanned Flue Combination BoilerG.C.No. 47-047-35To be left with the userInstructions for UseInstallation and ServicingF24E shown4000124

104000124050-2Programmer Instructions for UseEvent ReviewTo review the programs at any time, press Prog. key. Events willappear in the order they were

114000124050-21 Technical DataHeat input (max) NET Q 26,94 kW91,200 BTU/HHeat input (min) NET Q 9,91 kW33,820 BTU/HHeat output (max) NET P 23,6 kW81,5

124000124050-21 Technical DataThe F24E and F18E SB are delivered intwo separate packages:• The boiler including hanging bracketcomplete with isolating

134000124050-22.3 Gas SupplyThe gas installation must be in accordance with the relevantstandards.In GB this is BS 6891.In IE this is the current edit

144000124050-2ControlvalveFlowDrainpointBypassvalveDomesticwaterHeatingcircuitReturnAdditionalexpansionvessel(if required)Hot water outCold supply inD

154000124050-2General - All domestic hot water circuits, connections, fittingsmust be in accordance with the relevant standards and watersupply regula

164000124050-21 - Fan.2 - Air pressure switch.3 - Heat exchanger.4 - Overheat thermostat.5 - Combustion chamber.6 - Expansion vessel.7 - Flame sense e

174000124050-26 Boiler Location, Flue and Ventilation6.1 Boiler LocationThe recommended clearances are shown in diagram 6.1.Note: The boiler must be

184000124050-27 Fixing JigThe fixing jig is made up as follows:A - Heating return fitting with isolating valve.B (F24E Only) - Cold water inlet fittin

194000124050-28.1 Cutting the flue hole• Remove the wall template, follow the instructions given on thewall template.• Position the wall template, tak

24000124050-2Guarantee RegistrationThank you for installing a new Saunier Duval appliance in your home.Saunier Duval appliances' are manufactured

204000124050-2Diagram 9.19 Boiler Installation9.1 Sheet metal partsWARNING: When installing or servicing this boiler, care shouldbe taken when handli

214000124050-210 Horizontal Telescopic Top Flue Installation11886The Horizontal Telescopic Top Flue, Kit No.A2004500Suitable for installations that re

224000124050-2Diagram 10.411879Diagram 10.410.3 Installation of telescopic flue assembly• For flue lengths up to 0.5m fit the restrictor (supplied in

234000124050-210a Horizontal Top Flue Installation10a.1 The Horizontal Top flue - kit 86285HIs suitable for installations that require a max. flue len

244000124050-210a.4 Installation of horizontal top flueassemblyImportant: If the flue has been cut, ensure that there are noburrs that could damage th

254000124050-211 Electrical ConnectionDiagram 11.2WARNING: This appliance must be earthed. This appliancemust be wired in accordance with these instru

264000124050-29762CONTROL PANEL USER INTERFACERETAINING LATCHES11974Diagram 11.311.3 Mains Voltage External ControlsWARNING: UNDER NO CIRCUMSTANCES M

274000124050-212 CommissioningImportant: The commissioning and first firing of the boilermust only be done by a competant person.Gas installationIf c

284000124050-212 CommissioningIns 061a5.• Bleed each radiator to remove air, ensure allbleed screws are re-tightened.• If necessary repressurise the s

294000124050-2Diagram 14.19718ABypassThe boiler has a built-in bypass, refer to diagram 14.1.The boiler is supplied with the bypass open half a turn.

34000124050-2Important Information 4Draining and Filling 5Appliance Introduction 5Appliance Safety Devices 6Maintenance and Servicing 6User Controls a

304000124050-2REMEMBER, when replacing a part on this appliance, use onlyspare parts that you can be assured conform to the safety andperformance spec

314000124050-215.3 Front panel• Unscrew and remove the two retaining screws from thebottom of the front panel.• Remove front panel by lifting up and f

324000124050-23.5mm3.5mmIGNITIONGAP15 Routine Cleaning and InspectionDiagram 15.69752Diagram 15.53.5 mmFLAMESENSING GAP98119816Diagram 15.89741POWERSU

334000124050-215 Routine Cleaning and Inspection9822Diagram 15.10FILTERDOMESTIC WATERINLET FILTERHOUSINGCLIPF24E onlyRETAININGCLIPFILTERFLAT11935Diagr

344000124050-216 Fault FindingBefore trying to operate the boiler make sure that :• All gas supply cocks are open and that the gas supply hasbeen purg

354000124050-216 Fault FindingCOMPONENT NORMAL MEASURE CHECKGas control valve Under demand during ignition sparks: If 0 Volt: the gas control valveRes

364000124050-216 Fault FindingFAULT: NO HOT WATER, BUT THE HEATING IS WORKINGIs the water flow rate greaterthan 1.7l/min. (threshold figure).NOCheck t

374000124050-2F1 or F4 FAULT DISPLAYEDFAULT: THE BURNER LIGHTS, THEN GOES OUT.CHECKTHEPROBECHECKTHE MAINSFAULT NOT FOUNDThe flame is spreading across

384000124050-216 Fault FindingF1 FAULT DISPLAYEDFAULT: THE BURNER DOES NOT LIGHT AT ALL, BUT THERE IS AN IGNITION SPARK.NONOYESYESAre the gas taps on?

394000124050-2• CHECK CONTINUITY OF IGNITION (ELECTRODES AND LEADS)• CHECK POWER SUPPLY FROM PCB TO IGNITION UNITAir flow switch take-off.CONNECTIONS

44000124050-2Gas safety (Installation and use) RegulationsIn your interests and that of gas safety, it is the law that ALL gasappliances are installed

404000124050-217 Wiring Diagram F24E10224bk- BLACKw- WHITEg/y- GREEN/br - BROWNb- BLUEp- PINKg- GREYr - REDor- ORANGEgn- GREENy- YELLOWYELL

414000124050-217a Wiring Diagram F18E SBbk- BLACKw- WHITEg/y- GREEN/br - BROWNb- BLUEp- PINKg- GREYr - REDor- ORANGEgn- GREENy- YELLOWYELLO

424000124050-218 Replacement of PartsIMPORTANT INFORMATIONWARNING: Before commencing the replacement of anycomponent, isolate appliance from electric

434000124050-29646Diagram 18.3SENSINGTUBEAIR PRESSURESWITCH18.2 Fan.Before starting refer to the front of Section 18 Importantinformation.• Remove the

444000124050-218 Replacement of Parts18.9 Burner injector assembly, refer to diagram18.6.Before starting refer to the front of Section 18 Importantinf

454000124050-218 Replacement of Parts18.13 Heat exchanger, refer to diagram 18.7.Before starting refer to the front of Section 18 Importantinformation

464000124050-218 Replacement of Parts18.16 User interface board, refer to diagram18.10.Before starting refer to the front of Section 18 Importantinfor

474000124050-218 Replacement of Parts18.21 (F24E Only) Filling system tap, refer todiagram 18.12.Before starting refer to the front of Section 18 Impo

484000124050-218 Replacement of Parts18.25 System water pressure sensor, refer todiagram 18.15.Before starting refer to the front of Section 18 Import

494000124050-218 Replacement of Parts18.29 Gas control valve stepper motor, refer todiagram 18.18Before starting refer to the front of Section 18 Impo

54000124050-2Draining and FillingAppliance IntroductionDiagram 1BOILER DRAINVALVE9744The F24E and F18E SB boilers are wall mounted modulatingboilers w

504000124050-218 Replacement of Parts18.32 (F24E Only) Three-way valve actuator,refer to diagram 18.21.Before starting refer to the front of Section 1

514000124050-218 Replacement of Parts18.35 Expansion vesselRenewal of the expansion vessel requires the boiler to beremoved from the wall. As an alter

524000124050-219 Spare partsWhen ordering spare parts, quote the part number and description, stating the appliance model number and serial number fro

64000124050-2Appliance Safety DevicesMaintenance and ServicingAir flow rate safety deviceIf the flue is obstructed, the built in safety system will tu

74000124050-2User Controls and Lighting118801. Lighting the boiler :Make sure that:• The boiler is connected to the electrical supply.• The gas servi

84000124050-2Programmer Instructions for UseAnalogue Programmer (F24E Only)Part No. A20086. Fitted as standard.Setting the time, see diagram 3• Rota

94000124050-2Programmer Instructions for UseNOTE: MULTIPLE ON OR OFF EVENTS MAY BEPROGRAMMED, SEE EXAMPLE.BEFORE PROCEEDING WITH SETTING THE TIME ANDP