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Mr. Heater MH38QFA

User Manual - Page 4

For MH38QFA.

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4
Forced Air Propane Construction Heater Operating Instructions and Owner’s Manual
ODOR FADE WARNING
WARNING
Asphyxiation Hazard
•Donotusethisheaterforheatinghumanliving
quarters.
•Donotuseinunventilatedareas.
•Theflowofcombustionandventilationairmustnot
beobstructed.
•Properventilationairmustbeprovidedtosupport
thecombustionairrequirementsoftheheater
beingused.
•Refertothespecificationsectionoftheheater’s
manual,heaterdataplate,orcontactthefactoryto
determinecombustionairventilationrequirements
oftheheater.
•Lackofproperventilationairwillleadtoimproper
combustion.
•Impropercombustioncanleadtocarbonmonoxide
poisoningleadingtoseriousinjuryordeath.
Symptomofcarbonmonoxidepoisoningcan
includeheadachesdizzinessanddifficultyin
breathing.
FUEL GAS ODOR
LP gas and natural gas have man‑made odorants added
specifically for detection of fuel gas leaks.
If a gas leak occurs you should be able to smell the fuel
gas. Since Propane (LP) is heavier than air you should
smell for the gas odor low to the floor. ANY GAS ODOR
IS YOUR SIGNAL TO GO INTO IMMEDIATE ACTION!
•Donottakeanyactionthatcouldignitethefuelgas.Do
notoperateanyelectricalswitches.Donotpullanypower
supplyorextensioncords.Donotlightmatchesorany
othersourceofflame.Donotuseyourtelephone.
•Geteveryoneoutofthebuildingandawayfromthearea
immediately.
•Closeallpropane(LP)gastankorcylinderfuelsupply
valves,orthemainfuelsupplyvalvelocatedatthemeterif
youusenaturalgas.
•Propane(LP)gasisheavierthanairandmaysettleinlow
areas.Whenyouhavereasontosuspectapropaneleak,
keepoutofalllowareas.
•Useyourneighbor’sphoneandcallyourfuelgassupplier
andyourfiredepartment.Donotre-enterthebuildingor
area.
•Stayoutofthebuildingandawayfromtheareauntil
declaredsafebythefirefightersandyourfuelgassupplier.
•FINALLY,letthefuelgasservicepersonandthefirefighters
checkforescapedgas.Havethemairoutthebuildingand
areabeforeyoureturn.Properlytrainedservicepeople
mustrepairanyleaks,checkforfurtherleakages,andthen
relighttheapplianceforyou.
ODOR FADING ‑ NO ODOR DETECTED
•Somepeoplecannotsmellwell.Somepeoplecannotsmell
theodoroftheman-madechemicaladdedtopropane(LP)
ornaturalgas.Youmustdetermineifyoucansmellthe
odorantinthesefuelgases.
•Learntorecognizetheodorofpropane(LP)gasand
naturalgas.Localpropane(LP)gasdealerswillbemore
thanhappytogiveyouascratchandsniffpamphlet.Useit
tobecomefamiliarwiththefuelgasodor.
•Smokingcandecreaseyourabilitytosmell.Beingaround
anodorforaperiodoftimecanaffectyoursensitivityto
thatparticularodor.Odorspresentinanimalconfinement
buildingscanmaskfuelgasodor.
•The odorant in propane (LP) gas and natural gas is
colorless and the intensity of its odor can fade under
some circumstances.
•Ifthereisanundergroundleak,themovementofgas
throughthesoilcanfiltertheodorant.
•Propane(LP)gasodormaydifferinintensityatdifferent
levels.SincePropane(LP)gasisheavierthanair,theremay
bemoreodoratlowerlevels.
•Alwaysbesensitivetotheslightestgasodor.Ifyou
continuetodetectanygasodor,nomatterhowsmall,
treatitasaseriousleak.Immediatelygointoactionas
discussedpreviously.
ATTENTION ‑ CRITICAL POINTS TO
REMEMBER!
•Propane(LP)gashasadistinctiveodor.Learntorecognize
theseodors.(ReferenceFuelGasOdorandOdorFading
sectionsabove.
•EvenIfyouarenotpropertytrainedintheserviceand
repairoftheheater,ALWAYSbeconsciouslyawareofthe
odorsofpropane(LP)gasandnaturalgas.
•Ifyouhavenotbeenproperlytrainedinrepairandservice
ofpropane(LP)gasthendonotattempttolightheater,
performserviceorrepairs,ormakeanyadjustmentstothe
heateronthepropane(LP)gasfuelsystem.
•Aperiodicsnifftestaroundtheheaterorattheheater’s
joints;i.e.hose,connections,etc.,isagoodsafetypractice
underanyconditions.Ifyousmellevenasmallamountof
gas,CONTACTYOURFUELGASSUPPLIERIMMEDIATELY.
DONOTWAIT!
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