Charnwood SLX20 User manual

Charnwood
Brand
Charnwood
Model
SLX20
Category
Water heaters & boilers
Type
User manual
CHARNWOOD
SLX20Multi-Fuel
Roomheater
Operating
and
InstallationInstructions
BishopsWay,Newport,IsleofWight,PO305WS,U.K.
Tel:+44(0)1983537799Fax:+44(0)1983537788
E-Mail:[email protected]kInternet:www.charnwood.com
CHARNWOOD
SLX20
OperatingandInstallation
Instructions
Contents
OperatingInstructions
InstallationInstructions
GeneralPoints...................3
Fuels..........................3
DoorOperation.................4
MultifuelGrate..................4
Lighting........................3
ControllingTheFire..............4
RunningWithTheDoorsOpen.....4
Riddling........................5
Refuelling......................5
OvernightBurning................5
ThroatPlateandFluewayCleaning...5
SpecialPointsWhenBurningCoal...5
CleaningandMaintenance..........5
Throatplate&FluewayCleaning.....5
ChimneySweeping...............6
TroubleShooting.................6
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
AshClearance...................4
BishopsWay,Newport,IsleofWight,PO305WS,U.K.
Tel:+44(0)1983537799Fax:+44(0)1983537788
E-Mail:[email protected]kInternet:www.charnwood.com
OPERATINGINSTRUCTIONSFORTHE
CHARNWOODSLX20
GENERALPOINTS
FUELS
COAL
Wood
PEAT
Beforelightingthefirecheckwiththeinstallerthatthework
andchecksdescribedintheinstallationinstructionshave
beencarriedoutcorrectlyandthatthechimneyhasbeen
swept,issound,andfreeofanyobstructions.
WARNINGTheremustnotbeanextractorfanfittedinthe
sameroomasthisapplianceasthiscancausetheappliance
toemitsmokeandfumesintotheroom.
Iftheapplianceisfittedinplaceofanopenfirethenthe
chimneyshouldbesweptonemonthaftertheinstallationto
clearanysootfallswhichmayhaveoccurredduetothe
differenceincombustionbetweentheappliance andthe
openfire.
Whenusingthefireinsituationswherechildrenorinfirm
peoplearepresentpleaseuseafireguardtoprevent
accidents.Thefireguardshouldbemanufacturedin
accordancewithBS6539.
Thefollowingsmokelessfuelsaresuitableforuseonthis
appliance:
Ancit(PhurnacitePlus),
AnthraciteLargeNuts,
Centurion,
Cosycoke,
Extracite,
Maxibrite,
Phurnacite,
WelshDrySteamCoal(largeNuts)
Theabovefuelsareallsuitableforuseinsmokecontrol
areas.Inotherareasthefollowingfuelsmayalsobeburnt:
HousecoalDoubles,Treblesorcobblesmayallbeburnt.Do
notusesingles,smallnuts,orcoaldust.Itisimportantthat
thelargesizecoalisused(i.e.Largerthan2”or50mmin
size).
Thecoalshouldbedry.Whenburningbituminouscoala
littleextracareisneeded.PleaseTakenoteofthesection
“SpecialPointsForBurningCoal”
OnlyDrywellseasonedwoodshouldbeburntonthis
applianceasburningwetunseasonedwoodwillgiveriseto
heavytardeposits.Forthesamereasonhardwoodisbetter
thansoftwood.Burningwetunseasonedwoodwillalso
resultinconsiderablyreducedoutputs.Thewoodshouldbe
cutandsplitandthenlefttoseasoninawellventilateddry
placeforatleastoneyearpreferablytwoyearsBeforeuse.
Ensurethatthepeatiswelldriedbeforeuse.Burningwet
peatwillgiverisetoheavytardepositsandreduceoutputs.
Atfirstyoumayfindithelpfultotryseveralfuelstofindthe
mostsuitable.Ifyouareunabletoobtainthefuelyouwant,
askyoursupplieroranapprovedfueldistributortosuggest
analternative,orringtheSolidFuelAssociationHelplineon
Freephone0800600000.
PETROLEUMCOKEISNOTSUITABLEFORUSEON
THISAPPLIANCE,ITSUSEWILLINVALIDATETHE
GUARANTEE
Page3
SLX209.03
Turnhandle
clockwisetoopen
Thermostatflap(behindsidepanel)
Fig.1.Controls
AirwashControl
pulltoopen
ThermostatControlKnob
DOOROPERATION
Thedoorsareopenedbyraisingthedoorhandleasshown
inFig.1.Whenthefireisalight,avoidtouchingthedoors
otherthanontheknobsasthemetalwillbecomehot.
Whenclosingthedoorsdonotuseexcessiveforce.
MULTIFUELGRATE
LIGHTING
CONTROLLINGTHEFIRE
RUNNINGTHEFIREWITHTHE
DOORSOPEN
ASHCLEARANCE
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.
Placesomepaperanddrykindlingwoodorfirelighterson
thegrateandcoverwithasmallamountoffuel.Turnthe
thermostatcontrolknobtomaximumsettingandlightthe
paperorfirelighters.Closethedoorsandallowthefireto
burnuntilthefueliswellignitedthenloadwithmorefuel
andadjustthethermostattotherequiredlevel.
Oninitiallighting,thefiremaysmokeandgiveoffanodour
asthesiliconpaintwithwhichthefireboxispaintedreacts
totheheat.Thisisnormalandwillceaseafterashorttime.
Inthemeantimetheroomshouldbewellventilated.
Beforerelightingthefire,riddle,removeanyclinkerfrom
thefirebedandemptytheashpan.
Therateofburningandhencetheoutputiscontrolledby
thecontrolknobonthelefthandsideoftheapplianceand
theairwashcontrolontheright,showninfig.1.Usethe
controlknobonthelefttocontroltheheatoutputfromthe
fireandkeeptheairwashcontrolslightlyopenmostofthe
timetokeeptheglassclean.Itwillnotbepossibletokeep
theglasscleaniftheashwashcontrolisfullyclosed,
particularlyafterrefuelling.Thenumberatthetopofthe
controlknobisthenumberatwhichitisset,thehigherthe
numberthefastertheburningrate.
Thefiremayberunwiththedoorsopenifdesiredalthough
thiswillresultinareductioninefficiencyandhenceoutput.
Themorereactivefuels,likehomefire,willburnbetter
whenthedoorsareleftopenthanfuelslikephurnaciteand
ancit.
Forsafetyreasons,ifthefireistobeleftunattendedwith
thedoorsleftopenthenuseasparkguardwhichcomplies
toBS3248.
Theashpanshouldbeemptiedregularlybeforeitcomestoo
full.Themostconvenienttimetoremovetheashisjust
beforeriddlingthefiresincetheashwillbeatit’scoolest.
Usetheashpan/riddlingtoolprovidedtoremovethe
ashpan,thefoldupcarryinghandleshouldbeheldwitha
heatproofglove.
Neverallowtheashtoaccumulateintheashpansothatit
comesincontactwiththeundersideofthegrateasthiswill
seriouslydamagethegratebars.Ensurethattheairinlet
damperisnotpreventedfromclosingbyspillagefuelorash.
Careshouldbetakentoensurethattheashiscoolbefore
emptyingitintoplasticlinersorbins.
ForWood
DoNotGoBeyond
45°Position
WhenRiddling
RiddleBetween
Horizontal&
45°Positions
ToolToBe
Horizontal
ForSolidFuel
Vertical
Tooltobe
OrPeat
Fig.2.GrateOperation
Page4
SLX209.03
Tomakeashremovaleasierthereisaspecial
available.Thismaybepurchasedfromyou
supplieror,incaseofdifficulty,fromourselves.
Charnwood
ashcarrier
RIDDLING
Riddlingtwiceadayisusuallysufficient.
Thefireshouldberiddledwiththedoorsshut.Placethe
toolontheknobandrotatebetweenthehorizontalandthe
45°positionseveraltimesasshowninFig.2.
Caution:whenriddlingthegrateusingsolidfueldonotgo
beyondthe45°positionasthiscancausethegratetojam.
Ifjammingdoesoccurthenthefireshouldbeallowedto
burnforapproximatelyhalfanhourbeforeriddlingthe
grateagainasdescribedabove.
Toomuchriddlingcanresultinemptyingunburntfuelinto
theashpanandshouldthereforebeavoidedClinkershould
regularlyberemovedfromthefirebed.
Afterriddling,thegrateshouldbeputbackintothesolid
fuelorwoodpositionasrequired(thetoolshouldbe
horizontalforsolidfuelorverticalforwood).
Keepthefireboxwellfilled(thefuelmaybeslopedupfrom
thefrontfirebars),butnottoallowthefueltospilloverthe
topofthefrontfirebars.Takecare,especiallywhen
burningwood,thatthefueldoesnotprojectoverthefront
firebarsordamagetotheglassmaybecausedwhenthe
doorsareclosed.
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.
Itisimportantthatthethroatplateandalltheappliance
fluewaysarekeptclean.Whenburningsmokelessfuelsthey
shouldbecleanedatleastmonthly.Whenburningother
fuelstheyshouldbecleanedonceaweek,andmore
frequentlyiffoundnecessary.
Thethroatplateandfluewaysmaybecleanedwithalow
firestillburning.Usethescrapertooltoscrapeanysooty
depositsoffthefrontoftheplateuntiltheydropintothe
fire.
Moresootwillbedepositedonthethroatplateandinthe
fluewaysiftheapplianceisrunatlowlevelsforlongperiods.
Ifthisisthecasethenmorefrequentcleaningwillbe
necessary.
Whenburninghousecoalkeeptheairwashcontrolatleast
sightlyopenallthetime(refertoFig.1.)
Whenloadingtheappliancetakecarenottosmotherthe
fire,insteadfillthefireboxintwostageswaitingforthe
flamestoappearabovethefire.
Afteraperiodofslumberingalwaysturntheaircontrolup
tomaximumandwaituntilflamesappearabovethefuel
bedbeforeopeningthedoors.
Burningcoalwillproducemoresootdepositsthanother
fuels,especiallyifthefireisrunatlowlevelsforalong
periods.Itisthereforevitaltocleanthethroatplate
regularly,weeklycleaningis recommended.
Theapplianceisfinishedinvitreousenamel.Tocleanthe
surfacessimplywipeoverwithadrycloth.Abrasivepads
andscouringcleanersmustnotbeusedasthesewill
damagethefinish.Careshouldbetakennottoknockthe
enamelwithhardobjectsasitwillchip.
Theglassinthedoorsisaspecialceramicglasswhichisable
towithstandhightemperatures.Beforecleaningtheglass
openthedoorsandallowthemtocool.Cleantheglass
usingadampclothandthenwipingoverwithadrycloth.
Anystubborndepositsontheglassmayberemovedwitha
proprietarystoveglasscleanerorceramichobcleaner.
Somedepositsontheglassmaybeburntoffsimplyby
runningthefireatafastrateforafewminutes.Donotuse
abrasivecleanersorpadsasthesecanscratchthesurface
whichwillweakentheglassandcauseprematurefailure.
Aerosolspraycleanersshouldnotbeusednearthe
appliancewhilstitisunderfire.
REFUELLING
OVERNIGHTBURNING
THROATPLATEANDFLUEWAY
CLEANING
SPECIALPOINTSWHENBURNING
COAL
CLEANINGANDMAINTENANCE
Cleaning
CleaningtheGlass
Page5
SLX209.03
Whennotinuse
DoorSeals
Servicing
FireWillNotBurn.
FireBlazingOutOfControl.
Over-Firing
FumeEmission
WarningNote:Properlyinstalledandoperatedthis
appliancewillnotemitfumes.Occasionalfumefromde-
ashingandre-fuelingmayoccur.Persistentfumeemission
ispotentiallydangerousandmustnotbetolerated.If
fumeemissiondoespersistthentakethefollowing
immediateactionsshouldbetaken:
a)Openthedoorsandwindowstoventilatetheroom.
b)Letthefireoutandsafelydisposeoffuelfromthe
appliance.
c)Checkforflueorchimneyblockage,andcleanif
required.
d)Donotattempttorelightfireuntilcauseoffumehas
beenidentified,ifnecessaryseekprofessionaladvise.
Freezing
Chimneyfires
DoorGlassBacksUp
Ifthefireisgoingtobeoutofuseforalongperiod,(for
instanceinthesummer,)thentopreventcondensation,and
hencecorrosion,thethermostatshouldbeleftatthe
maximumsettingandthemaindoorsleftajar.Itisalso
advisabletosweepthechimneyandcleanoutthefire.
Sprayingtheinsideofthedoorsandfireboxwithalightoil,
suchasWD40,willalsohelptokeepallinternalparts
workingwell.
Forthefiretooperatecorrectlyitisimportantthatthe
doorsealsareingoodcondition.Checkthattheydonot
becomewornorfrayedandreplacethemwhennecessary.
Itisrecommendedthat thefireisservicedonceayearto
keepitinfirstclassworkingorder.Aftercleaningoutthe
fireboxthoroughly,checkthatallinternalpartsareingood
workingorder,replacinganypartsthatarebeginningto
showsignsofwear.Checkthatthedoorsealsareingood
conditionandthatthedoorssealcorrectly.Checkthe
operationofthethermostat,bothwhencoldandhot.A
servicingguide,TIS48.isavailableonrequest.
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.
Checkthat:
a)theairinletisnotobstructedinanyway,
b)chimneysandfluewaysareclear,
c)asuitablefuelisbeingused,
d)thereisanadequateairsupplyintotheroom,
e)anextractorfanisnotfittedinthesameroomasthefire.
Checkthat:
a)thedoorsaretightlyclosed,
b)thethermostatknobisturneddowntotheminimum
settingandtheairwashisclosed,
c)theairinletdamperisclosed(atthebottomleftof the
appliance,seeFig.1.)andthatitisnotpreventedfrom
closingcompletelybyapieceofash,
d)asuitablefuelisbeingused,
e)thedoorsealsareingoodcondition.
Ifthefireisover-firingitwillcauseprematurefailureofthe
internalfireparts.Overfiringisoccurringwhenanyinternal
partsofthefirebegintoglowred.Topreventover-firing
ensurethat:
a)thedoorsealsarekeptingoodcondition,andthatthe
doorsaresealingcorrectly,
b)thethermostatonthefireisworkingcorrectly,
c)asuitablefuelisbeingused.
Themostcommoncauseoffumeemissionisfluewayor
chimneyblockage.Foryouownsafetythesemustbekept
clean.
Ifaboilerisfitteddonotlightthefireifthereisany
possibilitythatanypartsofthesystemmaybefrozen.
Ifthechimneyisthoroughlyandregularlyswept,chimney
firesshouldnotoccur.However,ifachimneyfiredoes
occurthenturnthecontrolknobtotheminimumsetting
(seeFig.1),andtightlyclosethedoorsoftheappliance.
Thisshouldcausethechimneyfiretogooutinwhichcase
thecontrolshouldbekeptattheminimumsettinguntilthe
fireintheappliancehasgoneout.Thechimneyand
fluewaysshouldthenbecleaned.Ifthechimneyfiredoes
notgooutwhentheaboveactionistakenthenthefire
brigadeshouldbecalledimmediately.
Afterachimneyfirethechimneyshouldbecarefully
examinedforanydamage.Expertadviseshouldbesoughtif
necessary.
Differencesinchimneydraughtsmeanthatthebestsetting
oftheaircontrolswillvaryfordifferentinstallations.A
certainamountofexperimentationmayberequired,
howeverthefollowingpointsshouldbenotedandwitha
littlecareshouldenabletheglasstobekeptcleaninmost
situations:
a)Theairwashreliesonasupplyofheatedairtokeepthe
CHIMNEYSWEEPING
TROUBLESHOOTING
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
PERFORMANCE
CHIMNEY
HEARTHANDFIRE
SURROUND
PREPARATIONOFTHEFIREPLACE
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.
TheratedoutputfortheSLX20is5.4kW(18500btu/h)to
theroom.
Thisistheoutputobtainedburningsmokelessfuelwiththe
doorsclosedovera4hourlyre-fuelinginterval.
Thereisanoptionaladd-indomestichotwaterboiler
availablewithanoutputof2.0kW(6800btu/h).Ifthisis
fittedthentheoutputtotheroomwillbereducedbya
correspondingamount.
Inorderfortheappliancetoperformsatisfactorilythe
chimneyheightmustnotbelessthan4metresmeasured
fromtheoutletofthefiretothetopofthechimney.The
chimneyshouldpreferablybe175mm(7inches)or200mm
(8inches)internaldiameterorsquarewithsidesof175mm
or200mminternallyand
Ifanexistingchimneyistobeuseditmustbesweptand
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.
Theappliancemustbeinstalledonafireproofhearthand
mustbesituatedatleast300mm(12inches)fromany
combustiblematerial.Thepositioningoftheapplianceand
thesizeoftheheartharegovernedbybuildingregulations
forClass1appliances.Thesebuildingregulationsstatethat
thehearthmustextendinfrontoftheappliancebyatleast
300mm(12inches)andtothesidesbyatleast150mm(6
inches).Ifindoubtastothepositioningoftheappliance
expertadviseshouldbesoughteitherfromthesupplieror
thelocalbuildinginspector.
Thefireplacemustallowgoodcirculationofairaroundthe
appliance,especiallyaboveit,toensurethatmaximumheat
istransferredtotheroomandalsotopreventthefireplace
overheating.Agapof150mm(6inches)eachsideand
300mm(12inches)abovetheapplianceshouldgive
sufficientaircirculation.Ifawoodenmantelpiece,beamor
surroundisusedinthefireplaceitshouldbeaminimumof
460mm(18inches),andpreferably600mm(24inches)
abovetheappliance.Insomesituationsitmaybenecessary
toshieldthebeamormantelpiecetoprotectit.
Beforefittingtheapplianceintoanexistingfireplaceremove
thefirebackandanyloosein-fillmaterial.
Thesurroundandopeningfortheappliancemustconform
withFigs.3.Theflatareaaroundtheopeningmustbea
minimumof750mmwideand660mmhigh.Ensurethatthe
hearthandthebaseintheopeningareflat,level,andat
MUSTNOTBELESSTHAN
150mm(6INCHES)INTERNALDIAMETEROR150x
150MMINTERNALSQUARE.
Page8
SLX209.03
rightanglestothesurround.
Makeaholeinthefontofthechimneybreasttogiveaccess
forinfillingandfixingthefluepipe.Iftheoptionalboileris
tobefitteditwillalsobenecessarytomakeaholeinthe
sideofthechimneybreasttogiveaccessforthepipework.
Insomecasesitmaybenecessarytoplacetheconnecting
fluepipeinthechimneybeforefittingthefireintothe
fireplace.
Applyfirecementtotherearfaceofthesealingflangeon
theappliance.Fittheapplianceintotheopeningensuring
thatitiscentralandthatagoodsealismadebetweenthe
sealingflangeandthefaceofthe surround.
Removeanyexcessfirecementfromaroundthesealing
flange.
Theapplianceshouldbescrewedtothehearththroughthe
holesatthebaseofthesealingflange.
Theoptionaladd-inboilerwhichmaybefittedinthe
appliancehasanoutputsufficientfordomestichotwater
heating.Iftheboilerisfittedthentheroomheatingwillbe
reduced.
Thehotwatersystemshouldbeagravitycircuitandmust
becorrectlyventedasshowninFig.4.
Adoublefeedindirecthotwaterstoragecylinderto
BS:1566part1shouldbeusedinmostsituations,unlessthe
applianceistobefittedinasoftwater areainwhichcasea
directhotwatercylindermaybeusedprovidedthatthe
boilerisstainlesssteel.
Allpipeworkintheprimarycircuitmustbe28mmdiameter
andtheflowpipemustrisecontinuouslyfromtheboilerto
theopenvent.
Ifanindirectcylinderisusedthentheprimarycircuitshould
befilledwithasuitableinhibitortopreventthebuildupof
scaleandcorrosion.
Theboilerreplacestherearfirebrickandisreversibleso
thatthe1”B.S.P.maletappingsmaycomeoneithertheleft
ortherighthandsideoftheboiler.
Theboilertappingsprotrudefromthesidesoftheappliance
anditwillthereforebenecessarytofittheboilerintothe
applianceafterpositioningtheapplianceinthefireplaceif
thefiresurroundisalreadyfitted.
Beforefittingtheboiler,removethefrontfirebars,theside
andbackfireplatesandthefirebricks.Knockouttheknock-
outsfortheboilertappingsontheappropriatesideofthe
firebox.
Removethebacknutsandfibrewashersfromtheboiler
tappingsandfittheboilerintotheappliance.Placethefibre
washersoverthetappingsontheoutsideoftheappliance
andfitthebacknuts,ensuringthattheboilerisheldtightly
againsttherearinsidefaceoftheapplianceandthatthetop
edgeoftheboilerislevelorrunsuphilltotheflowtapping.
Whenre-fittingthefirebricks,notethattheshortside
firebricksuppliedwiththeboilermustbefittedonthesame
sideastheboilertappings.Oneoftheoriginalsidebricksis
fittedontheotherside,andtherearbrickisdiscarded.The
firebricksareheldinpositionbytheretainingbrackets.
FITTINGTHEFIRE
HOTWATERSYSTEM
FITTINGTHE
OPTIONALADD-IN
BOILER
SurroundAndOpening
Fig.3.LimitingDimensionsOf
A
B
Dim.A:
Dim.B:
Max.575mm(222/3")
Min.555mm(213/4")
Max.470mm(181/2")
Min.405mm(16")
Theshadedareaonthefaceof
thesurroundistheminimumflat
arearequired.
660mm
750mm
Page9
SLX209.03
DrainCockatLowestPoint
DrainCock
IndirectHotWaterCylinder
ColdWaterTank
Overflow
FeedandExpansionTank
22mmOpenVents
Overflow
DomesticHotWaterDrawOff
Fig.4.TypicalGravityHotWaterSystem
Replacethebackfireplate,thesidefireplates,thefront
firebarandthethroatplate.
Connecttheboilertotheheatingsystemensuringthatthe
flowpiperisesfromtheboiler.Fillthesystemwithwater
andcheckforleaks.
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.
Afterfillingwithvermiculiteflaunchthetopoftheflue
connectorpipetothechimneywithlimemortar.Ensure
thatthefluepipeiswellsealedtothechimney.
Makegoodhole(s)inthechimneybreastmakingsurethatit
iscompletelyairtight.Atypicalinstallationisshowninfig.5.
Inmostinstallationsitwillbepossibletosweepthechimney
throughtheappliance.Ifthisisnotpossiblethensome
alternativemeans(suchasasootdoor)mustbeprovided.
Thefreeinsetmethodofinstallationmaybeusedinsteadof
infilling.Detailsareavailableonrequest.
Beforelightingthefirecheckthecoldsettingdistanceofthe
thermostat.
Withthecontrolknobattheminimumsettingtheflap
shouldbejustclosedasshowninFig.6.Toadjustthe
distanceslackenthelockingnutandadjustasnecessary.
Whensetcorrectlyre-tightenthelockingnut.Ensurethat
theflapopensandclosesfreelyastheknobisturned.
FLUECONNECTION
ANDINFILLING
THERMOSTAT
Vermiculite
Infill
Flaunching
TakeFluePipe
UpToNarrowest
PartOfChimney.
150°Elbow
PartNo.010/AV12
Fig.5.TypicalInstallation
150°
Page10
SLX209.03
ThermostatFlap
LockingNut
FlapJustClosedWith
KnobSetToMinimum
Fig.6.ThermostatSetting
ASSEMBLY
PRELIGHTING
CHECK
COMMISSIONING
Fitthesidepanelsandthehoodontotheappliance.
Instructionsforthisareenclosedwiththepanelpack.
Replaceanyinternalpartspreviouslyremoved.
Beforeinitiallightingcheckthefollowingpoints:
1.Thebottomgratebarsmustallbefittedandshouldmove
freelyandeasilywhentheriddlingmechanismisoperated.
2.Theplatesroundthesidesandbackofthegratemustbe
inpositionandsittingcorrectly.
3.Thethroatplatemustbefittedintheroofofthe
appliance.
Oncompletionoftheinstallationandafterallowingtimefor
thefirecementandmortartodryout,thefireshouldbelit
andcheckedtoensurethatthesmokeandfumesaretaken
fromtheapplianceupthechimneyandemittedsafely.Also
checkalljointsandseals.
Oncompletionoftheinstallationandcommissioningplease
leavetheoperatinginstructionswiththecustomerand
adviseontheuseoftheappliance.
Page11
SLX209.03
150°
170
147
608
394
156
i/d
84
265
405
506
547
199
260
548
SLX20Dimensions
(Alldimensionsareinmm)
Knockoutsforoptionalboiler
eitherside
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Charnwood SLX20 User manual

Charnwood
Brand
Charnwood
Model
SLX20
Category
Water heaters & boilers
Type
User manual
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