VOKERA Linea Manuel de service

The RangeLinea 24 ● Linea 28Installation& ServicingInstructionsBritish Gas Service ListedG.C. No. 47 094 27 (Linea 24)G.C. No. 47 094 28 (Linea

8Linea 24 & 284.6.6 Air Release PointsThese must be fitted at all high points whereair will naturally collect, and must be sited tofacilitate comp

Linea 24 & 289SECTION 5 INSTALLATION5.1 Delivery (fig. 8)The appliance is delivered in a heavy dutycardboard carton.Lay the carton on the f

10Linea 24 & 285.4Mounting the applianceThe appliance should be mounted on a smooth,vertical surface, which must be capable ofsupporting the full

Linea 24 & 2811FITTING THE STANDARD (2359029) HORIZONTALFLUE KIT (see 5.4.1)Carefully measure the distance from the centre of theappliance flue ou

12Linea 24 & 28Using the dimensions given in fig. 14 as a reference,mark and cut a 105mm hole in the ceiling and/or roof.Fit the appropriate flash

Linea 24 & 2813Mounting the boilerThe fixing holes for the wall-mounting bracket& jig should now be drilled and plugged, anappropriate type an

14Linea 24 & 28NOTE• Before cutting twin flue pipes ensureallowances have been made for connectiononto the previous piece and onto theconcentric t

Linea 24 & 28155.6 Connecting the Gas and Water5.6.1 Figs. 6 and 16 show the locations of thefittings.5.6.2 Do not over tighten nuts, use another

16Linea 24 & 285.7.4 Pass the cable through one of the cord an-chorage points and connect the wires Brownto L, Blue to N, and Green/Yellow to. Arr

Linea 24 & 2817SECTION 6 COMMISSIONING6.1 Where the text bears identifying numbers inbrackets, refer to figs. 1 and 2 unless other-wise instr

Linea 24 & 28 CONTENTSSection Subject Page noSection 1 Introduction 1General Layout 1Section 2 Design Principles & OperatingPrinciples 2Schema

18Linea 24 & 286.5.5 If during the ignition attempt period (10 secsapprox.) the boiler fails to light, the ignitioncontrol circuit will go to lock

Linea 24 & 28196.6.8 Setting the Maximum Rate for Central Heat-ingThe maximum heat input for the central heat-ing mode is not adjustable. When ce

20Linea 24 & 286.12 Final Check for OperationsTurn mode selector switch to the OFF/RESETposition, disconnect pressure gauge, re-tightenscrew. Reli

Linea 24 & 2821SECTION 8 SERVICING INSTRUCTIONS8.1 GeneralTo ensure the continued safe and efficientoperation of the appliance, it is recommen

22Linea 24 & 288.4 To Gain General Access/AssemblyTo remove components access to the interioris essential. Refer to figs. 10 & 11.Ensure elect

Linea 24 & 28238.6 Main Burner and ElectrodesPart No'sSense Electrode - 24&28 - 2092Refer to figs. 27,28 & 298.6.1 Gain general acces

24Linea 24 & 288.9 Flue FanPart No. 24-5910 28-59118.9.1 Remove room sealed front cover plate (8.5)and front of combustion chamber (8.6.3).8.9.2

Linea 24 & 28258.12 Ignition PCB8.12.1 Gain general access as 8.4.8.12.2 Remove PCB cover.8.12.3 Disconnect wires from ignition PCB.8.12.4 Remove

26Linea 24 & 288.14 PumpPart No 10020437 See fig. 338.14.1 Gain general access as 8.48.14.2 Close heating flow and return valves (fig. 6),by turni

Linea 24 & 28278.17 Removal of Domestic Hot Water HeatExchangerRefer to figs. 34 and 358.17.1 Gain General access 8.48.17.2 Place receptacle or an

Linea 24 & 281These appliances are designed for use with asealed heating system only and are not in-tended for use on an open vented system.The pr

28Linea 24 & 288.20 Safety ValvePart No. 1806 Refer to figs.34 & 358.20.1 Gain general access as 8.4.8.20.2 Close heating flow and return valv

Linea 24 & 28298.21.7 Motorised Valve8.21.8 Gain general access as 8.48.21.9 Release motorised valve by removing retain-ing clip.8.21.10 Remove el

30Linea 24 & 288.23 Setting Gas PressuresALL SETTINGS DONE WITH A SUITABLEMANOMETER CONNECTED TO GASVALVE AS INSTRUCTED IN 6.6.58.23.1 Setting Max

Linea 24 & 28318.24 Soft Light IgnitionThe Linea range incorporates a fully auto-matic soft light ignition sequence which is nonadjustable.When ig

32Linea 24 & 28If a flame is detected during the ignition at-tempt time (8-12 seconds) the sparking willcease, the gas valve will remain energised

Linea 24 & 28339.2.3 Central Heating ModeIn this mode the mode selector switch must beturned to the position.With all controls calling for heat

34Linea 24 & 28MAINS ON FANREPLACE FANREPLACEWIRING ORCONNECTIONS230V ON PUMPREPLACE PUMPA2AISTHERE 0 VDCBETWEEN TERMINALS M5.5 & M5.6 ON

Linea 24 & 2835CHECK WIRING ANDCONNECTIONS,HIGH LIMITTHERMOSTAT ORPCBA1DOES THE PRESSUREDIFFERENTIAL SWITCHOPERATECHECK WIRINGANDCONNECTIONSISTHER

36Linea 24 & 28A2REPLACE PCBFUSE OKCHECK FUSES F1AND F2 ON PCBRECHECKSUPPLY FUSE& CONNECTORSTO BOILERTERMINALSIS THELED FLASHINGREDREPLACE TH

Linea 24 & 2837ISVOLTAGE ACROSSTERMINALS OFMODULATOR COIL >10 VDCREPLACE GASVALVECOMPLETEREPLACE WIREANDCONNECTIONSREPLACECONTROLBOARDREPL

2Linea 24 & 28SECTION 2 DESIGN PRINCIPLES AND OPERATING SEQUENCE2.1 Fig.1 illustrates the general layout of compo-nents. Fig.2 illustrates the op

38Linea 24 & 28REPLACE PCBREMOVEJUMPER JP8 ONPCBIS TIMER JUMPERON JP8 ON PCBISVOLTAGE ACROSS TERMINALS OFMODULATOR COIL >10 VDCISVOLTAGE A

Linea 24 & 28390 VDC ON PRESSURESWITCHCHECKTHE WATERPRESSURESWITCHOK YESYESELECTRONICIGNITION BOX OKYESISTHERE 24 VDCBETWEEN TERMINALSM3.5 &

40Linea 24 & 28A4REPLACE PCBREPLACE PCBCHECK DHWNTC SENSOR ORCONNECTIONDIGITALDISPLAY SHOWING03 DIGITALDISPLAY SHOWING04DIGITAL DISPLAYSHOWING 06D

Linea 24 & 2841REPLACE PCBREPLACE DHWNTCIS DHW NTC OKREPLACE DHWFLOW SWITCHIS DHW FLOWSWITCH OKENDDO BURNER, FAN AND PUMPSWITCH OFFDOES FAN RUNI

42Linea 24 & 28C1ISWATER FLOWTEMPERATURE >80 *˚CWAIT FOR WATERFLOWTEMPERATURE TO BE< 80*˚CREPLACE PCBDO BURNER AND FANSWITCH ONREMOVE T

Linea 24 & 2843REPLACE PCBWAIT 3 MIN.WAIT 1 MIN.CISVOLTAGE ACROSS TERMINALS OFMODULATOR COIL >10 VDC SWITCH CHTHERMOSTAT TOMIN.DOBURNER

44Linea 24 & 28SECTION 10 APPENDIXA. Installation of the Vokèra time switches (24 Hr and 7 Day)Remove printed circuit board cover (5 screws).Rem

Linea 24 & 2845DO NOT USE SMALLER TERMINALBLOCK MARKED 'POS' 'POS' '-''S' WHENCONNECTING INTERNAL OR EXTE

46Linea 24 & 28B. Wiring to External Time Switches and Thermostats.(i) General Schematic Diagram.Earths have beenomitted for clarityTo ease wiring

Linea 24 & 2847MODE SELECTOR SWITCH MUST BE IN THE POSITION.To ease wiring conjestion at the appliance terminal strip, remove the

Linea 24 & 283SECTION 3 TECHNICAL DATA3.1 Units Dimensions and values are given in thepreferred Sl Units with Imperial units in brack-ets where ap

48Linea 24 & 28EXPLODED DIAGRAMS446913151617202122252627282930313233343641444546475152434211450KEY DESCRIPTION 24 281 Frame 01005133 010051346 Gua

Linea 24 & 284913222416302830283234323432345236141312 111078179KEY DESCRIPTION 24 281 Expansion vessel 2204 22042 Flexible pipe 2164 21643 Heating

50Linea 24 & 2844121043111820273938323143302829161345174545266541923844443144271143154444922212333245051KEY DESCRIPTION 24 281 Heat exchanger 2381

Linea 24 & 28511891034511131914191617292628323372522256125051KEY DESCRIPTION 24 281 Air box bottom 2072 20732 Ambidx air box side 1549 15494 NG Bu

52Linea 24 & 2867814121741920232425302755051KEY DESCRIPTION 24 284 Pressure differential switch 8195 81955 Silicone tube 1457 14576 Brass cap 8086

Linea 24 & 2853ABLING AND DISABLING ELECTRONIC FUNCTIONSCertain electronic functions on the Linea rangeof appliances can be abled or disabled ac-c

54Linea 24 & 28FUNCTIONAL FLOW DIAGRAMNOTE: L-N-E CONNECTION IS ADVISABLEKeyRT Room thermostatTSH Heat time switchSFS Domestic hot water flow swit

Linea 24 & 2855GENERAL LAYOUT & ILLUSTRATED WIRING DIAGRAMFig. 41NOTE: L-N-E CONNECTION IS ADVISABLECONTROL SWITCHING OF TIME CLOCK AND ROOM T

56Linea 24 & 28PRELIMINARY ELECTRICAL SYSTEM CHECKSA. EARTH CONTINUITY CHECK - appliance must beelectrically disconnected - meter set on Ω (ohms

Linea 24 & 2857SECTION 11 L.P.G. INSTRUCTIONSMin. Gas RateMax. Gas RateBurner Pressure Max. RateMain Burner InjectorsMain BurnerBurner Pressure

4Linea 24 & 28Central Heating output rangeMax. 28.0 kW (95,563 Btu/h)Min. 9.9 kW (33,788 Btu/h)Designed temp rise 20°CMax. flow temperature 85°CNo

58Linea 24 & 2811.6.6 Reduce the domestic water flow rate to ap-proximately 3-4 litres/min. Turn the domesticcontrol knob slowly to minimum the bo

Linea 24 & 28

Linea 24 & 28

Linea 24 & 28

Cod. 10023216 - 21/02 - Ed. 3Vokèra Ltd.Catherine House, Boundary Way, Hemel Hempstead, Herts, HP2 7RPEmail: [email protected] Web: www.vokera.co

Linea 24 & 285SECTION 4 GENERAL REQUIREMENTS4.0 General RequirementsThis appliance must be installed by a compe-tent person in accordance with

6Linea 24 & 28For protection of combustibles, refer to BS5440:1 where the terminal is less than 2m(6.6ft) above a pavement or platform to whichpeo

Linea 24 & 287N.B. Vokèra Ltd recommend a 2-pipe system. Single pipe systems are more liable to be troublesome unlesscarefullly designed and insta