Charnwood SLX20 User Manual

CHARNWOOD

SLX20Multi-Fuel

Roomheater

Operating

and

InstallationInstructions

BishopsWay,Newport,IsleofWight,PO305WS,U.K.

Tel:[phone]Fax:[phone]

E-Mail:[e-mail]:www.charnwood.com

CHARNWOOD

SLX20

OperatingandInstallation

Instructions

Contents

OperatingInstructions

GeneralPoints...................3

Fuels..........................3

DoorOperation.................4

MultifuelGrate..................4

Lighting........................3

ControllingTheFire..............4

RunningWithTheDoorsOpen.....4

AshClearance...................4

Riddling........................5

Refuelling......................5

OvernightBurning................5

ThroatPlateandFluewayCleaning...5
SpecialPointsWhenBurningCoal...5

CleaningandMaintenance..........5

Throatplate&FluewayCleaning.....5

ChimneySweeping...............6

TroubleShooting.................6

InstallationInstructions

Health&SafetyPrecautions........8

Performance....................8

Chimney.......................8

HeathandFireSurround..........8

PreparationoftheFireplace........8

FittingtheFire...................9

HotWaterSystem...............9

FittingtheOptionalAdd-InBoiler....9

FlueConnections&Infilling........10

Thermostat....................10

PreLightingCheck..............11

Commissioning.................11

OverallDimensions..............11

BishopsWay,Newport,IsleofWight,PO305WS,U.K.

Tel:[phone]Fax:[phone]

E-Mail:[e-mail]:www.charnwood.com

OPERATINGINSTRUCTIONSFORTHE

CHARNWOODSLX20

GENERALPOINTS

Beforelightingthefirecheckwiththeinstallerthatthework
andchecksdescribedintheinstallationinstructionshave
beencarriedoutcorrectlyandthatthechimneyhasbeen
swept,issound,andfreeofanyobstructions.
WARNINGTheremustnotbeanextractorfanfittedinthe
sameroomasthisapplianceasthiscancausetheappliance
toemitsmokeandfumesintotheroom.
Iftheapplianceisfittedinplaceofanopenfirethenthe
chimneyshouldbesweptonemonthaftertheinstallationto
clearanysootfallswhichmayhaveoccurredduetothe
differenceincombustionbetweentheappliance andthe
openfire.
Whenusingthefireinsituationswherechildrenorinfirm
peoplearepresentpleaseuseafireguardtoprevent
accidents.Thefireguardshouldbemanufacturedin
accordancewithBS6539.

PETROLEUMCOKEISNOTSUITABLEFORUSEON

THISAPPLIANCE,ITSUSEWILLINVALIDATETHE

GUARANTEE

Atfirstyoumayfindithelpfultotryseveralfuelstofindthe
mostsuitable.Ifyouareunabletoobtainthefuelyouwant,
askyoursupplieroranapprovedfueldistributortosuggest
analternative,orringtheSolidFuelAssociationHelplineon
Freephone0800600000.

FUELS

Thefollowingsmokelessfuelsaresuitableforuseonthis
appliance:

Ancit(PhurnacitePlus),
AnthraciteLargeNuts,
Centurion,
Cosycoke,
Extracite,
Maxibrite,
Phurnacite,
WelshDrySteamCoal(largeNuts)

Theabovefuelsareallsuitableforuseinsmokecontrol
areas.Inotherareasthefollowingfuelsmayalsobeburnt:

COAL

HousecoalDoubles,Treblesorcobblesmayallbeburnt.Do
notusesingles,smallnuts,orcoaldust.Itisimportantthat
thelargesizecoalisused(i.e.Largerthan2”or50mmin
size).

Thecoalshouldbedry.Whenburningbituminouscoala
littleextracareisneeded.PleaseTakenoteofthesection
“SpecialPointsForBurningCoal”

Wood

OnlyDrywellseasonedwoodshouldbeburntonthis
applianceasburningwetunseasonedwoodwillgiveriseto
heavytardeposits.Forthesamereasonhardwoodisbetter
thansoftwood.Burningwetunseasonedwoodwillalso
resultinconsiderablyreducedoutputs.Thewoodshouldbe
cutandsplitandthenlefttoseasoninawellventilateddry
placeforatleastoneyearpreferablytwoyearsBeforeuse.

PEAT

Ensurethatthepeatiswelldriedbeforeuse.Burningwet

peatwillgiverisetoheavytardepositsandreduceoutputs.

Turnhandle
clockwisetoopen

ThermostatControlKnob

Thermostatflap(behindsidepanel)

AirwashControl

pulltoopen

Fig.1.Controls

Page3

SLX209.03

DOOROPERATION

Thedoorsareopenedbyraisingthedoorhandleasshown
inFig.1.Whenthefireisalight,avoidtouchingthedoors
otherthanontheknobsasthemetalwillbecomehot.
Whenclosingthedoorsdonotuseexcessiveforce.

MULTIFUELGRATE

YourCharnwoodisfittedwithamultifuelgratewhich
enablessolidfuel,woodandpeattobeburnedequally
effectively.

Thegratehastwopositions.Oneforsolidfuel,theother
forwoodandpeat.Wheninthesolidfuelpositionashcan
fallthroughthegrateandintotheashpan.Wheninthe
woodpositionashisabletobuilduponthegrateasis
necessaryforeffectivewoodorpeatburning.Movementof
thegratefromonepositiontotheotheriseffectedusing
thetoolsupplied.Thegrateisputintothewoodpositionby
movingthetoolupuntilthetoolisvertical.Thegrateisput
intothesolidfuel positionbymovingthetooldownuntilthe
toolishorizontal.

Ifamixtureofwoodandsolidfuel,orpeatandsolidfuel,is
tobeburntthenkeepthegrateinthesolidfuelposition.

DoNotGoBeyond
45°Position
WhenRiddling

RiddleBetween
Horizontal&

45°Positions

ToolToBe
Horizontal
ForSolidFuel

Tooltobe
Vertical
ForWood
OrPeat

LIGHTING

Placesomepaperanddrykindlingwoodorfirelighterson
thegrateandcoverwithasmallamountoffuel.Turnthe
thermostatcontrolknobtomaximumsettingandlightthe
paperorfirelighters.Closethedoorsandallowthefireto
burnuntilthefueliswellignitedthenloadwithmorefuel
andadjustthethermostattotherequiredlevel.

Oninitiallighting,thefiremaysmokeandgiveoffanodour
asthesiliconpaintwithwhichthefireboxispaintedreacts
totheheat.Thisisnormalandwillceaseafterashorttime.
Inthemeantimetheroomshouldbewellventilated.

Beforerelightingthefire,riddle,removeanyclinkerfrom
thefirebedandemptytheashpan.

CONTROLLINGTHEFIRE

Therateofburningandhencetheoutputiscontrolledby
thecontrolknobonthelefthandsideoftheapplianceand
theairwashcontrolontheright,showninfig.1.Usethe
controlknobonthelefttocontroltheheatoutputfromthe
fireandkeeptheairwashcontrolslightlyopenmostofthe
timetokeeptheglassclean.Itwillnotbepossibletokeep
theglasscleaniftheashwashcontrolisfullyclosed,
particularlyafterrefuelling.Thenumberatthetopofthe
controlknobisthenumberatwhichitisset,thehigherthe
numberthefastertheburningrate.

Fig.2.GrateOperation

RUNNINGTHEFIREWITHTHE

DOORSOPEN

Thefiremayberunwiththedoorsopenifdesiredalthough
thiswillresultinareductioninefficiencyandhenceoutput.
Themorereactivefuels,likehomefire,willburnbetter
whenthedoorsareleftopenthanfuelslikephurnaciteand
ancit.

Forsafetyreasons,ifthefireistobeleftunattendedwith
thedoorsleftopenthenuseasparkguardwhichcomplies
toBS3248.

ASHCLEARANCE

Theashpanshouldbeemptiedregularlybeforeitcomestoo
full.Themostconvenienttimetoremovetheashisjust
beforeriddlingthefiresincetheashwillbeatit’scoolest.
Usetheashpan/riddlingtoolprovidedtoremovethe
ashpan,thefoldupcarryinghandleshouldbeheldwitha
heatproofglove.

Neverallowtheashtoaccumulateintheashpansothatit
comesincontactwiththeundersideofthegrateasthiswill
seriouslydamagethegratebars.Ensurethattheairinlet
damperisnotpreventedfromclosingbyspillagefuelorash.

Page4

SLX209.03

Careshouldbetakentoensurethattheashiscoolbefore
emptyingitintoplasticlinersorbins.

Tomakeashremovaleasierthereisaspecial

ashcarrier

supplieror,incaseofdifficulty,fromourselves.

available.Thismaybepurchasedfromyou

Charnwood

RIDDLING

Riddlingtwiceadayisusuallysufficient.

Thefireshouldberiddledwiththedoorsshut.Placethe
toolontheknobandrotatebetweenthehorizontalandthe
45°positionseveraltimesasshowninFig.2.

Caution:whenriddlingthegrateusingsolidfueldonotgo
beyondthe45°positionasthiscancausethegratetojam.

Ifjammingdoesoccurthenthefireshouldbeallowedto
burnforapproximatelyhalfanhourbeforeriddlingthe
grateagainasdescribedabove.

Toomuchriddlingcanresultinemptyingunburntfuelinto
theashpanandshouldthereforebeavoidedClinkershould
regularlyberemovedfromthefirebed.

THROATPLATEANDFLUEWAY

CLEANING

Itisimportantthatthethroatplateandalltheappliance
fluewaysarekeptclean.Whenburningsmokelessfuelsthey
shouldbecleanedatleastmonthly.Whenburningother
fuelstheyshouldbecleanedonceaweek,andmore
frequentlyiffoundnecessary.

Thethroatplateandfluewaysmaybecleanedwithalow
firestillburning.Usethescrapertooltoscrapeanysooty
depositsoffthefrontoftheplateuntiltheydropintothe
fire.

Moresootwillbedepositedonthethroatplateandinthe
fluewaysiftheapplianceisrunatlowlevelsforlongperiods.
Ifthisisthecasethenmorefrequentcleaningwillbe
necessary.

SPECIALPOINTSWHENBURNING

COAL

Afterriddling,thegrateshouldbeputbackintothesolid
fuelorwoodpositionasrequired(thetoolshouldbe
horizontalforsolidfuelorverticalforwood).

REFUELLING

Keepthefireboxwellfilled(thefuelmaybeslopedupfrom
thefrontfirebars),butnottoallowthefueltospilloverthe
topofthefrontfirebars.Takecare,especiallywhen
burningwood,thatthefueldoesnotprojectoverthefront
firebarsordamagetotheglassmaybecausedwhenthe
doorsareclosed.

OVERNIGHTBURNING

Emptytheashpan,ifnecessary,andthenriddlethefireif
youareburningsolidfuel.Ifthefireisverylowthenitmay
benecessarytoaddalittlefuelandturnthethermostat
controluptomaximumforabriefperioduntilthefireis
burningbrightlybeforefillingwithfuel.Whenburning
wooduselargelogsovernightastheywillburnmoreslowly
thansmallones.

Someexperimentationmaybenecessarytofindthesetting
mostsuitablefortheparticularfuelusedandthedrawon
thechimney,butgenerallythethermostatshouldbeturned
downtotheminimumsetting.

Forovernightburningthefiredoorsmustbeclosed.

Torevivethefire,emptytheashpanifnecessary,riddle
(whenburningsolidfuel)andturnthethermostatcontrol
tomaximum.Whenthefireisburningwellloadmorefuel
asnecessaryandturnthecontrolknobtothedesired
setting.

Whenburningwooddonotriddlebutsimplysettheair
controlstomaximumuntilthefirepicksupandthenset
themattherequiredsettingandrefuelasnecessary.

Whenburninghousecoalkeeptheairwashcontrolatleast
sightlyopenallthetime(refertoFig.1.)

Whenloadingtheappliancetakecarenottosmotherthe
fire,insteadfillthefireboxintwostageswaitingforthe
flamestoappearabovethefire.

Afteraperiodofslumberingalwaysturntheaircontrolup
tomaximumandwaituntilflamesappearabovethefuel
bedbeforeopeningthedoors.

Burningcoalwillproducemoresootdepositsthanother
fuels,especiallyifthefireisrunatlowlevelsforalong
periods.Itisthereforevitaltocleanthethroatplate
regularly,weeklycleaningis recommended.

CLEANINGANDMAINTENANCE

Cleaning

Theapplianceisfinishedinvitreousenamel.Tocleanthe
surfacessimplywipeoverwithadrycloth.Abrasivepads
andscouringcleanersmustnotbeusedasthesewill
damagethefinish.Careshouldbetakennottoknockthe
enamelwithhardobjectsasitwillchip.

CleaningtheGlass

Theglassinthedoorsisaspecialceramicglasswhichisable
towithstandhightemperatures.Beforecleaningtheglass
openthedoorsandallowthemtocool.Cleantheglass
usingadampclothandthenwipingoverwithadrycloth.
Anystubborndepositsontheglassmayberemovedwitha
proprietarystoveglasscleanerorceramichobcleaner.
Somedepositsontheglassmaybeburntoffsimplyby
runningthefireatafastrateforafewminutes.Donotuse
abrasivecleanersorpadsasthesecanscratchthesurface
whichwillweakentheglassandcauseprematurefailure.
Aerosolspraycleanersshouldnotbeusednearthe
appliancewhilstitisunderfire.

Page5

SLX209.03

Whennotinuse

Ifthefireisgoingtobeoutofuseforalongperiod,(for
instanceinthesummer,)thentopreventcondensation,and
hencecorrosion,thethermostatshouldbeleftatthe
maximumsettingandthemaindoorsleftajar.Itisalso
advisabletosweepthechimneyandcleanoutthefire.
Sprayingtheinsideofthedoorsandfireboxwithalightoil,
suchasWD40,willalsohelptokeepallinternalparts
workingwell.

DoorSeals

Forthefiretooperatecorrectlyitisimportantthatthe
doorsealsareingoodcondition.Checkthattheydonot
becomewornorfrayedandreplacethemwhennecessary.

Servicing

Itisrecommendedthat thefireisservicedonceayearto
keepitinfirstclassworkingorder.Aftercleaningoutthe
fireboxthoroughly,checkthatallinternalpartsareingood
workingorder,replacinganypartsthatarebeginningto
showsignsofwear.Checkthatthedoorsealsareingood
conditionandthatthedoorssealcorrectly.Checkthe
operationofthethermostat,bothwhencoldandhot.A
servicingguide,TIS48.isavailableonrequest.

CHIMNEYSWEEPING

b)thethermostatknobisturneddowntotheminimum
settingandtheairwashisclosed,
c)theairinletdamperisclosed(atthebottomleftof the
appliance,seeFig.1.)andthatitisnotpreventedfrom
closingcompletelybyapieceofash,
d)asuitablefuelisbeingused,
e)thedoorsealsareingoodcondition.

Over-Firing

Ifthefireisover-firingitwillcauseprematurefailureofthe
internalfireparts.Overfiringisoccurringwhenanyinternal
partsofthefirebegintoglowred.Topreventover-firing
ensurethat:
a)thedoorsealsarekeptingoodcondition,andthatthe
doorsaresealingcorrectly,
b)thethermostatonthefireisworkingcorrectly,
c)asuitablefuelisbeingused.

FumeEmission

WarningNote:Properlyinstalledandoperatedthis
appliancewillnotemitfumes.Occasionalfumefromde­ashingandre-fuelingmayoccur.Persistentfumeemission
ispotentiallydangerousandmustnotbetolerated.If
fumeemissiondoespersistthentakethefollowing
immediateactionsshouldbetaken:

Thechimneyshouldbesweptatleasttwiceayear.Inmost
installationsitwillbepossibletosweepthechimneythrough
theappliance.

Firstremovethefrontfirebarsand thethroatplate.Then
sweepthechimneyensuringthatsootisremovedfromall
horizontalsurfacesaftersweeping.

Insituationswhereitisnotpossibletosweepthroughthe
appliancetheinstallerwillhaveprovidedalternativemeans,
suchasasootdoor.Aftersweepingthechimneythe
applianceflueoutletandthefluepipeconnectingthe
appliancemustbecleanedwithafluebrush.

Aftercleaninganysootfromwithinthefire,replacethe
throatplateandthefrontfirebars.

Differenttypesofsweep’sbrushesareavailabletosuit
differentflueways.Forstandardbrickchimneysawire
centresweep’sbrushfittedwithaguidewheelis
recommended.Forprefabricatedinsulatedchimneysthe
manufacturersinstructionswithregardtosweepingshould
beconsulted.

TROUBLESHOOTING

FireWillNotBurn.

Checkthat:
a)theairinletisnotobstructedinanyway,
b)chimneysandfluewaysareclear,
c)asuitablefuelisbeingused,
d)thereisanadequateairsupplyintotheroom,
e)anextractorfanisnotfittedinthesameroomasthefire.

FireBlazingOutOfControl.

Checkthat:
a)thedoorsaretightlyclosed,

a)Openthedoorsandwindowstoventilatetheroom.
b)Letthefireoutandsafelydisposeoffuelfromthe
appliance.
c)Checkforflueorchimneyblockage,andcleanif
required.
d)Donotattempttorelightfireuntilcauseoffumehas
beenidentified,ifnecessaryseekprofessionaladvise.

Themostcommoncauseoffumeemissionisfluewayor
chimneyblockage.Foryouownsafetythesemustbekept
clean.

Freezing

Ifaboilerisfitteddonotlightthefireifthereisany
possibilitythatanypartsofthesystemmaybefrozen.

Chimneyfires

Ifthechimneyisthoroughlyandregularlyswept,chimney
firesshouldnotoccur.However,ifachimneyfiredoes
occurthenturnthecontrolknobtotheminimumsetting
(seeFig.1),andtightlyclosethedoorsoftheappliance.
Thisshouldcausethechimneyfiretogooutinwhichcase
thecontrolshouldbekeptattheminimumsettinguntilthe
fireintheappliancehasgoneout.Thechimneyand
fluewaysshouldthenbecleaned.Ifthechimneyfiredoes
notgooutwhentheaboveactionistakenthenthefire
brigadeshouldbecalledimmediately.

Afterachimneyfirethechimneyshouldbecarefully
examinedforanydamage.Expertadviseshouldbesoughtif
necessary.

DoorGlassBacksUp

Differencesinchimneydraughtsmeanthatthebestsetting
oftheaircontrolswillvaryfordifferentinstallations.A
certainamountofexperimentationmayberequired,
howeverthefollowingpointsshouldbenotedandwitha
littlecareshouldenabletheglasstobekeptcleaninmost
situations:
a)Theairwashreliesonasupplyofheatedairtokeepthe

Page6

SLX209.03

glassclean,therefore,whenlightingthestoveallowthe
firebedtobecomewellestablishedbeforeturningthe
thermostatdown.Itmaysometimesbebeneficialtoalso
keepthedoorsslightlyajarwhilstthefirebecomes
established.Thiscanalsoapplywhenre-fuelling.
b)Whenre-fuellingkeepthefuelbackalittlefromthefront
firebars,donottrytofittoomuchfuelintothefirebox.
c)Nevercompletelyclsetheairwashcontrol-asaguideit
shouldbeatleastaquarteropen.
d)Wetwoodorlogsoverhangingthefrontfirebarswill
causetheglasstoblacken.

Itisalwaysmoredifficultto keeptheglasscleanwhen
runningthestoveveryslowlyforlongperiods.

Ifblackeningoftheglassstilloccurscheckthatallflue
connectionsarewellsealed.Itisalsoimportantthatthe
chimneydrawissufficientandthatitisnotaffectedby
down-draught.Whenthechimneyiswarmadraught
readingofatleast2.5mm(0.10inches)watergaugeshould
beobtained.

Page7

SLX209.03

INSTALLATIONINSTRUCTIONSFORTHE

CHARNWOODSLX20

HEALTHANDSAFETY

PRECAUTIONS

WARNINGpleasetakecarewheninstallingtheappliance
thattherequirementsoftheHealthandSafetyatWorkAct
aremet.

Sometypesoffirecementarecausticandshouldnotbe
allowedtocomeintocontactwiththeskin.Incaseof
contactwashwithplentyofwater.

Ifthereisapossibilityofdisturbinganyasbestosinthe
courseofinstallationthenpleaseuseappropriate
equipment.

Theremustnotbeanextractorfaninthesameroomasthe
applianceasthiscancausetheappliancetoemitfumesinto
theroom.

Theremustbeanadequateairsupplytotheroominwhich
theapplianceisinstalledtotallingatleast100squarecm.(16
squareinches)toprovidecombustionair.Thisisparticularly
necessaryiftheroomisdoubleglazed.

Inadditiontotheseinstructionstherequirementsof
BS:8303andBS:6461Pt1&2;1984mustbefulfilled.Local
AuthorityBye-lawsandBuildingRegulationsregardingthe
installationofSolidFuelburningappliances,fluesand
chimneymustbeobserved.

PERFORMANCE

TheratedoutputfortheSLX20is5.4kW(18500btu/h)to
theroom.

checked,itmustbeingoodcondition,freefromcracksand
blockages,andshould nothaveaexcessivecrosssectional
area(e.g.Greaterthan250mmx250mm).Ifyoufindthat
thechimneyisinpoorconditionthenexpertadviceshould
besoughtregardingthenecessityofhavingthechimney
lined.Ifitfoundnecessarytolinethechimneythenalining
suitableforSolidFuelmustbeused.

Ifthereisnoexistingchimneythenaprefabricatedblock
chimneyoratwinwalledinsulatedstainlesssteelflueto
BS:4543canbeusedeitherinternallyorexternally.These
chimneysmustbefittedinaccordancewiththe
manufacturersinstructionsandBuildingRegulations.

Singlewall fluepipeissuitableforconnectingtheappliance
tothechimneybutisnotsuitableforusingforthecomplete
chimney.

Ifitisfoundthereisexcessivedrawinthechimneythena
draughtstabilisershouldbefitted.

HEARTHANDFIRE

SURROUND

Theappliancemustbeinstalledonafireproofhearthand
mustbesituatedatleast300mm(12inches)fromany
combustiblematerial.Thepositioningoftheapplianceand
thesizeoftheheartharegovernedbybuildingregulations
forClass1appliances.Thesebuildingregulationsstatethat
thehearthmustextendinfrontoftheappliancebyatleast
300mm(12inches)andtothesidesbyatleast150mm(6
inches).Ifindoubtastothepositioningoftheappliance
expertadviseshouldbesoughteitherfromthesupplieror
thelocalbuildinginspector.

Thisistheoutputobtainedburningsmokelessfuelwiththe
doorsclosedovera4hourlyre-fuelinginterval.

Thereisanoptionaladd-indomestichotwaterboiler
availablewithanoutputof2.0kW(6800btu/h).Ifthisis
fittedthentheoutputtotheroomwillbereducedbya
correspondingamount.

CHIMNEY

Inorderfortheappliancetoperformsatisfactorilythe
chimneyheightmustnotbelessthan4metresmeasured
fromtheoutletofthefiretothetopofthechimney.The
chimneyshouldpreferablybe175mm(7inches)or200mm
(8inches)internaldiameterorsquarewithsidesof175mm
or200mminternallyand

150mm(6INCHES)INTERNALDIAMETEROR150x
150MMINTERNALSQUARE.

Ifanexistingchimneyistobeuseditmustbesweptand

MUSTNOTBELESSTHAN

Page8

SLX209.03

Thefireplacemustallowgoodcirculationofairaroundthe
appliance,especiallyaboveit,toensurethatmaximumheat
istransferredtotheroomandalsotopreventthefireplace
overheating.Agapof150mm(6inches)eachsideand
300mm(12inches)abovetheapplianceshouldgive
sufficientaircirculation.Ifawoodenmantelpiece,beamor
surroundisusedinthefireplaceitshouldbeaminimumof
460mm(18inches),andpreferably600mm(24inches)
abovetheappliance.Insomesituationsitmaybenecessary
toshieldthebeamormantelpiecetoprotectit.

PREPARATIONOFTHEFIREPLACE

Beforefittingtheapplianceintoanexistingfireplaceremove
thefirebackandanyloosein-fillmaterial.

Thesurroundandopeningfortheappliancemustconform
withFigs.3.Theflatareaaroundtheopeningmustbea
minimumof750mmwideand660mmhigh.Ensurethatthe
hearthandthebaseintheopeningareflat,level,andat

theopenvent.

Theshadedareaonthefaceof

thesurroundistheminimumflat

arearequired.

750mm

B

A

Dim.A:
Max.470mm(181/2")
Min.405mm(16")

Dim.B:
Max.575mm(222/3")
Min.555mm(213/4")

660mm

Fig.3.LimitingDimensionsOf

SurroundAndOpening

rightanglestothesurround.

Makeaholeinthefontofthechimneybreasttogiveaccess
forinfillingandfixingthefluepipe.Iftheoptionalboileris
tobefitteditwillalsobenecessarytomakeaholeinthe
sideofthechimneybreasttogiveaccessforthepipework.

FITTINGTHEFIRE

Insomecasesitmaybenecessarytoplacetheconnecting
fluepipeinthechimneybeforefittingthefireintothe
fireplace.

Applyfirecementtotherearfaceofthesealingflangeon
theappliance.Fittheapplianceintotheopeningensuring
thatitiscentralandthatagoodsealismadebetweenthe
sealingflangeandthefaceofthe surround.

Ifanindirectcylinderisusedthentheprimarycircuitshould
befilledwithasuitableinhibitortopreventthebuildupof
scaleandcorrosion.

FITTINGTHE

OPTIONALADD-IN

BOILER

Theboilerreplacestherearfirebrickandisreversibleso
thatthe1”B.S.P.maletappingsmaycomeoneithertheleft
ortherighthandsideoftheboiler.

Theboilertappingsprotrudefromthesidesoftheappliance
anditwillthereforebenecessarytofittheboilerintothe
applianceafterpositioningtheapplianceinthefireplaceif
thefiresurroundisalreadyfitted.

Beforefittingtheboiler,removethefrontfirebars,theside
andbackfireplatesandthefirebricks.Knockouttheknock­outsfortheboilertappingsontheappropriatesideofthe
firebox.

Removethebacknutsandfibrewashersfromtheboiler
tappingsandfittheboilerintotheappliance.Placethefibre
washersoverthetappingsontheoutsideoftheappliance
andfitthebacknuts,ensuringthattheboilerisheldtightly
againsttherearinsidefaceoftheapplianceandthatthetop
edgeoftheboilerislevelorrunsuphilltotheflowtapping.

Whenre-fittingthefirebricks,notethattheshortside
firebricksuppliedwiththeboilermustbefittedonthesame
sideastheboilertappings.Oneoftheoriginalsidebricksis
fittedontheotherside,andtherearbrickisdiscarded.The
firebricksareheldinpositionbytheretainingbrackets.

Removeanyexcessfirecementfromaroundthesealing
flange.
Theapplianceshouldbescrewedtothehearththroughthe
holesatthebaseofthesealingflange.

HOTWATERSYSTEM

Theoptionaladd-inboilerwhichmaybefittedinthe
appliancehasanoutputsufficientfordomestichotwater
heating.Iftheboilerisfittedthentheroomheatingwillbe
reduced.

Thehotwatersystemshouldbeagravitycircuitandmust
becorrectlyventedasshowninFig.4.

Adoublefeedindirecthotwaterstoragecylinderto
BS:1566part1shouldbeusedinmostsituations,unlessthe
applianceistobefittedinasoftwater areainwhichcasea
directhotwatercylindermaybeusedprovidedthatthe
boilerisstainlesssteel.

Allpipeworkintheprimarycircuitmustbe28mmdiameter
andtheflowpipemustrisecontinuouslyfromtheboilerto

Page9

SLX209.03

FeedandExpansionTank

Overflow

DrainCockatLowestPoint

Fig.4.TypicalGravityHotWaterSystem

22mmOpenVents

ColdWaterTank

Overflow

DomesticHotWaterDrawOff

DrainCock

IndirectHotWaterCylinder

Replacethebackfireplate,thesidefireplates,thefront
firebarandthethroatplate.

Flaunching

Connecttheboilertotheheatingsystemensuringthatthe
flowpiperisesfromtheboiler.Fillthesystemwithwater
andcheckforleaks.

FLUECONNECTION

ANDINFILLING

Maketheflueconnectionwiththespecial150°elbow,Part
No.010/AV12.Pleasenotethatthisitemisordered
separatelyfromtheappliance.Thelegsoftheelbowmaybe
cutonsitetosuitthechimney.Alsonotethatthelegsofthe
elbowaredifferentlengthstoenablesomesituationstobe
cateredforbyturningtheelbowaround.

Theendofthefluepipemustlineupwiththecentre-lineof
thechimney,andmustalsoextendtothepointwherethe
chimneynarrowstoitsfinalsize.Anylargevoidsmustbe
filledandflaunchedtothefluepipetoensurethatallsoot
depositscanbeclearedwhentheapplianceisswept,andto
preventproblemswiththeoperationoftheappliance.

Ensurethatthefluepipeisnotobstructedorrestrictedin
anywayandthatalljointsarewellsealed.

Beforeinfillingcoverthefrontoftheappliancetoprotectit.
Ensurethatthefluepipeiscentralandthenfillthespace
betweenthebodyoftheapplianceandthestructural
brickworkwithvermiculite(e.g.Micafilorsimilar)concrete.
Ensurethattherearenoairpockets.Therecommended
mixissixvolumesofvermiculitetoonevolumeofportland
cementthroughlymixedtogether.Enoughwatershouldbe
addedsothatnomorethanoneortwodropsofwaterare
releasedwhenahandfulofmixtureissqueezed.

TakeFluePipe
UpToNarrowest
PartOfChimney.

150°Elbow
PartNo.010/AV12

150°

Vermiculite
Infill

Fig.5.TypicalInstallation

Afterfillingwithvermiculiteflaunchthetopoftheflue
connectorpipetothechimneywithlimemortar.Ensure
thatthefluepipeiswellsealedtothechimney.

Makegoodhole(s)inthechimneybreastmakingsurethatit
iscompletelyairtight.Atypicalinstallationisshowninfig.5.

Inmostinstallationsitwillbepossibletosweepthechimney
throughtheappliance.Ifthisisnotpossiblethensome
alternativemeans(suchasasootdoor)mustbeprovided.

Thefreeinsetmethodofinstallationmaybeusedinsteadof
infilling.Detailsareavailableonrequest.

THERMOSTAT

Beforelightingthefirecheckthecoldsettingdistanceofthe
thermostat.

Withthecontrolknobattheminimumsettingtheflap
shouldbejustclosedasshowninFig.6.Toadjustthe
distanceslackenthelockingnutandadjustasnecessary.
Whensetcorrectlyre-tightenthelockingnut.Ensurethat
theflapopensandclosesfreelyastheknobisturned.

FlapJustClosedWith
KnobSetToMinimum

LockingNut

ThermostatFlap

Fig.6.ThermostatSetting

Page10

SLX209.03

ASSEMBLY

Fitthesidepanelsandthehoodontotheappliance.
Instructionsforthisareenclosedwiththepanelpack.

Replaceanyinternalpartspreviouslyremoved.

PRELIGHTING

CHECK

Beforeinitiallightingcheckthefollowingpoints:

1.Thebottomgratebarsmustallbefittedandshouldmove
freelyandeasilywhentheriddlingmechanismisoperated.

2.Theplatesroundthesidesandbackofthegratemustbe
inpositionandsittingcorrectly.

3.Thethroatplatemustbefittedintheroofofthe
appliance.

COMMISSIONING

Oncompletionoftheinstallationandafterallowingtimefor
thefirecementandmortartodryout,thefireshouldbelit
andcheckedtoensurethatthesmokeandfumesaretaken
fromtheapplianceupthechimneyandemittedsafely.Also
checkalljointsandseals.

Oncompletionoftheinstallationandcommissioningplease
leavetheoperatinginstructionswiththecustomerand
adviseontheuseoftheappliance.

Knockoutsforoptionalboiler
eitherside

150°

547

506

405

265

199

260

147

170

394

156
i/d

84

608

548

SLX20Dimensions

(Alldimensionsareinmm)

Page11

SLX209.03