Full Product Manual

Operating Instructions and Owner’s ManualMr. Heater MH4B
3
GENERAL INFORMATION:
• Thisheaterissafeforindooruseinsmallrecreational
enclosures,havingmeansforprovidingcombustionair
andventilation,suchasenclosedporches,cabins,fishing
huts,trailers,tenttrailers,tents,truckcapsandvans.
Itmaybeusedforemergencyindoorheatingwhen
connectedtoadisposable1lb.propanecylinderand
forindooruseincommercialenclosures,havingmeans
forprovidingcombustionairandventilation,suchas
constructiontrailersortemporaryworkenclosures.
Note:Theheatercanbeusedoutdoors,butmay
experiencenuisanceshutoffsduetocertainwind
conditions.
• Whentheheateriscoldoratroomtemperature,it
willtakeafewminutesfortheburnertiletoturn
brightorange.Thisisnormalandtheheaterisworking
properly.Ifburnertileisvisiblyflaming,turnheateroff
andcallaqualifiedservicetechnician.
• Whentheunitislit,thereshouldbeaboutaquarter
inch(1/4”)borderaroundthetilethatwillnotturn
brightorange.Thisisnormal.
• Whenoperatingtheheaterforthefirsttime,thetop
areaofthereflectormaydiscolor.Thisisalsonormal
andisnoreasonforconcern.
• When operating the heater at altitudes over 7,000
FT. above sea level, the unit may not burn as bright
as in lower altitudes. This is normal. At higher
altitudes, the heater may shut-off. If this happens,
provide fresh air, wait 5 minutes and re-light. Due to
local atmospheric conditions heater may not re-light.
• Operatingtimewillbeapproximately5hoursona
one1lb.cylinder.DuetothepropertiesofLPgas,
runtimescanbesignificantlyreducedwhenoperating
continuouslyattemperaturesbelow20ºF.
• Thisheaterisequippedwithatip-oversafetyswitch.
Nuisanceshut-downsmaybeexperiencediftheunit
isbumpedormoved.ifthisoccurssimplyrelightthe
heater.
• Duetonaturaloperationofsmalltanks,condensation
maybuildupontankanddriponsurfaceunderheater.
Sometimesthiscondensationmayfreezeduetothe
extremecoldcausedwhenpropanevaporizes.Thisis
normalandnoreasonforalarm.
• Donotusenon-approvedattachmentsonthisheater.
• Duetohightemperatures,theapplianceshouldbe
locatedoutoftrafficandawayfromcombustible
 materials.
• Childrenandadultsshouldbealertedtothehazardof
highsurfacetemperaturesandshouldstayawaytoavoid
burnsorclothingignition.
• Youngchildrenshouldbecarefullysupervisedwhenthey
areneartheappliance.
• Donotplaceclothingorotherflammablematerialonor
neartheappliance.
• Donotoperateheaterinanymovingvehicle.
• Thisheatercanonlybeusedinarecreationalor
 commercialenclosurewithawindoworroofvent.It
mayalsobeusedoutdoors.
• Thisheaterrequiresaventareaof4squareinches
 (example2”x2”opening)minimumforadequateven-
tilationduringoperation.Donotuseotherfuelburning
appliancesinside.
• GASPRESSUREATHEATERISREGULATEDANDFIXED
AT11”W.C.
• REGULATORINHEATERMUSTALWAYSBEINPLACE
DURINGOPERATION.
• Anysafetyscreenorguardremovedforservicingtheap-
pliancemustbereplacedpriortooperatingtheheater.
• Theapplianceshouldbeinspectedbeforeeachuse.
Frequentcleaningmayberequired.Thecontrol
 compartments,burnerandcirculatingairpassageways
oftheappliancemustbekeptclean,
 seeMAINTENANCE.
• DONOTusethisheaterifanyparthasbeenunder
water.Immediatelycallaqualifiedservicetechnicianto
inspecttheheaterandtoreplaceanypartofthecontrol
systemandanygascontrol,whichhasbeenunderwa-
ter.
• Whenusedwithoutadequatecombustionand
 ventilationair,thisheatermaygiveoffexcessive
 CARBONMONOXIDE,anodorless,poisonousgas.
• Somepeople-pregnantwomen,personswithheart
orlungdisease,anemia,thoseundertheinfluenceof
alcohol,thoseathighaltitudes-aremoreaffectedby
carbonmonoxidethanothers.
• Whenheaterisplacedontheground,makesure
thegroundislevelandkeepanyobjectsatleast24
inchesfromthefrontoftheheater.THISHEATERIS
EQUIPPEDWITHATIPOVERSWITCHTHATWILLSHUT
THEHEATEROFFIFTHEHEATERTIPSOVERHOWEVER,
DONOTLEAVEHEATERUNATTENDEDORWHERE
CHILDRENMAYCAUSETHEHEATERTOTIPOVER.
NEVEROPERATETHEHEATERWHILESLEEPING!
GENERAL SAFETY INSTRUCTIONS
THIS IS A HEATING APPLIANCE. DO NOT OPERATE
THIS APPLIANCE WITHOUT THE FRONT WIRE GUARD
INSTALLED. DO NOT ATTEMPT TO WARM OR COOK
FOOD ON THIS HEATER.