Procom MN200EBC Quick start guide

OWNER SOPERATIONANDINSTALLATIONMANUAL
WARNING:Improper installation,
adjustment,alteration,serviceormain-
tenance cancause injury orproperty
damage.Refer to thismanual forcorrect
installation and operational procedures.
Forassistanceoradditionalinformation
consultaqualifiedinstaller,serviceagency,
orgas supplier. Thisappliance may beinstalledin anafter-
market*permanentlylocated,manufactured
(mobile)home,where notprohibitedbylocal
codes.
Thisappliance isonlyforuse withthetype
ofgasindicatedon therating plate.This
applianceisnotconvertibleforuse with other
gases.
*Aftermarket:Completion of sale, not forpurpose of
resale, fromthe manufacturer.
Donot store,oruse gasoline orotherflammable
vaporsand liquids inthevicinityof thisorany
otherappliance.
WHATTO DOIF YOUSMELL GAS
l Donottrytolight any appliance.
l Donottouch any electricalswitch;donot
use any phone inyourbuilding.
l Immediatelycallyourgassupplierfroma
neighbor sphone.Followthegassupplier s
instructions.
l Ifyoucannotreachyourgas supplier,
callthe firedepartment.
Installation and service mustbe performed
byaqualifiedinstaller,serviceagencyor
gassupplier.
MN200EBC MN200EHBC
MN300EBC MN300EHBC
BLUE FLAMEVENT-FREE
NATURALGAS
SPACE HEATER
WARNING: Iftheinformation in
thismanualisnotfollowedexactly,
afireorexplosionmayresult
causingpropertydamage, personal
injury, orloss oflife.
WARNING: Thisisanunventedgas-
firedheater.Ituses air(oxygen)fromthe
roominwhichitisinstalled.Provisions
foradequatecombustionand ventilation air
mustbeprovided. RefertoAirForCombus-
tionandVentilationsectiononpage5of
thismanual.
WATER VAPOR:ABY-PRODUCTOFUNVENTED
ROOM HEATERS
Watervaporisaby-product ofgascombustion.An
unventedroomheaterproductsapproximatelyone (1)
ounce (30ml) of waterforevery1,000 BTU s(.3KW s)
ofgas inputperhour.Refertopage4.
Installer:Pleaseleavetheseinstructionswiththe
consumer.
Consumer:Please retain theseinstructionsfor
futureuse.
Continental Appliance Inc./USOffice
5Musick 4600 HighlandsParkwayS.E.
IrvineSuite#D/E
CA 92618SmyrnaGA30080
TOLLFREENUMBER:1-877-886-5989
NanjingPRO-COMElectricAppliance Co.,Ltd.
#6 ChuangyeRoad,High NewTech.Zone,
GreatBridgeRoadNorth,Nanjing,210061,China.
PR-MCL051-04-0506

TableofContents
SafetyInformation......................................................................................2
..
ProductFeatures..................................................................................... 3
..
LocalCodes..............................................................................................3
..
Unpacking................................................................................................. 4
AirforCombustionandVentilation.........................................................5
..
Installation.................................................................................................. 7
..
ConnectingtoGasSupply.......................................................................9
CheckingGasConnections...................................................................10
OperatingYourHeater.............................................................................11
Cleaning&Maintenance.........................................................................14
..
ReplacementParts..................................................................................16
Specifications....................................................................................... ...16
Troubleshooting........................................................................................17
PartsList...........................................................................................................20
Make certainyoureadandunder-
standallwarnings.Keepthis
manualforreference.Itisyour
guidetosafeandproperoperation
ofthisheater.
SAFETYINFORMATION
IMPORTANT:Read this
owner smanualcarefullyand
completelybeforetrying to
assemble,operate, orservice
thisheater. Improperuse of
thisheatercan cause serious
injuryordeathfromburns,
fire, explosion, electrical
shock,and carbon monoxide
poisoning.
DANGER: Carbonmonoxide
poisoning mayleadtodeath!
Whenusedwithoutfreshair,heater
maygiveoff CARBON MONOXIDE, an
odorless,poisonous gas.
WARNING
DONOTINSTALLHEATERUNTILALL
NECESSARYPROVISIONSARE
MADEFOR COMBUSTIONANDVEN-
TILATIONAIR.CONSULTTHEWRIT-
TENINSTRUCTIONSPROVIDED
WITHTHE HEATERFOR INFORMTION
CONCERNINGCOMBUSTION AND
VENTILATIONAIR.INTHEABSENCE
OFINSTRUCTIONS.REFERTOTHE
NATIONALFUELGASCODE.
ANSIZ223.1. SECTION 5.3OR
APPLICABLELOCALCODES.
ThisheaterisequippedwithaPILOT
LIGHTSAFETYSYSTEMdesigned to
turnoff theheaterifnotenoughfresh
airisavailable
Ifheatershutsoff, do notrelightuntil
youprovidefreshair.
If heaterkeepsshuttingoffhaveitser-
viced .Keep burnerand controlcom-
partmentclean.
DO NOTTAMPER WITHPILOTLIGHT
SAFETYSYSTEM!
Earlysignsof carbon monoxidepoi-
soningresemblethe fluwith
headache,dizzinessand/or
nausea.Ifyouhave thesesigns,
heater may not beworking properly.
Getfreshairatonce! Haveheater
serviced.Somepeople-pregnant
women,persons withheartorlung
disease,anemia,those underthe
influnceof alcohol,those athight
altitude-aremoreaffected bycar-
bonmonoxide than others.
CARBON MONOXIDEPOISON-
INGMAYLEADTODEATH!
NaturalGas: Naturalgasis
odorless. Anodor-makingagent
isaddedtonatural gas.The odor
helpsyou detectanaturalgas
leak.However, theodoradded
tonatural gascanfade. Natural
gasmay be presenteven
though noodorexists.
WARNING
2

3
1. Thisapplianceisonlyforuse
withthetypeof gas indicated
ontherating plate. This
applianceisnotconvertiblefor
use withother gases.\
2. If yousmellgas
l Shut off gassupply.
l Do nottrytolightanyappliance.
l Donot touchanyelectrical
switch, donot use anyphonein
WARNING:Donotuse
anyaccessorynotapproved
forusewiththisheater.
Carefullysuperviseyoung
children whentheyareinthe
sameroomwithheater.
Make suregrillguardisin
placebeforerunning the heater.
Keep the appliance area clear
and free fromcombustible
materials,gasoline,and other
flammablevaporsand liquids.
Duetohigh temperatures,heater
shouldbe kept outof trafficand
away fromfurnitureanddraperies.
Front surface ofheaterbecomes
veryhot when runningheater.
Keepchildrenandadultsaway
fromhot surface toavoidburns
orclothingignition.Heaterwill
remainhot foratimeaftershut
down.Allowsurface tocool
beforetouching.
Donotplace clothingorother
flammablematerialonornear
theappliance.Neverplace any
objectson the heater.
WARNING:Anychangeto
thisheateroritscontrolscan
be dangerous.
yourbuilding.
lImmediatelycall yourgassup-
plierfromaneighbor sphone.
Followthegassupplier s
instructions.
lIf youcannotreach yourgas
supplier,call thefiredepartment.
3. Thisheatershallnotbeinstalled
inabedroomorbathroom.
4.Thisheaterneeds fresh, outside
airventilationtorun properly.This
heater has anOxygenDepletion
Sensor(ODS)safetyshutoff
system.TheODSshutsdownthe
heaterifnotenough freshair
isavailable.See Fresh Airfor
Combustionand Ventilation
pages5and6.
5. Keep allairopeningsinfrontand
bottomofheaterclearandfreeof
debris.Thiswillinsureenough air
for propercombustion.
6. If heater shutsoff. Donot relight
until you providefresh,outside
air. Ifheaterkeepsshutting off,
haveit serviced.
7. Donot operate
lWhereflammableliquidsor
vaporsareused orstored
lUnderdustyconditions
8.Beforeusing furniturepolish,
wax,carpetcleaner,orsimilar
products,turnheateroff.If
heated,thevaporsfromthese
productsmaycreateawhite
powderresidue withinburner
boxoron adjacentwallsor
furniture.
9.Donotuse heaterifanypart
hasbeenunderwater. Immedi-
atelycall aqualifiedservice tech-
niciantoinspecttheroomheater
and toreplaceanypart ofthe
controlsystemand anygas con-
trol which has beenunderwater.
10.Turnoff andunplugheater and
letcoolbeforeservicing.Onlya
qualifiedservicepersonshould
serviceand repairheater.
11.Operating heateraboveelevations
of 4,500feetcouldcause pilot
outage.
PRODUCTFEATURES
(SeeFigure1,page 4)
SAFETYPILOT
Thisheaterhas apilotwithan
OxygenDepletion Sensor(ODS)
safetyshutoff system.
TheODS/pilot shutsoff theheater
if thereisnotenough freshair.
AUTOMATICIGNITION
SYSTEM
Thisheaterisequippedwithan
automaticcontrolsystem.
Thissystemrequiresno matches,
orbatteriestolightheater.
TOUCHPAD
THERMOSTATICHEAT
CONTROL
Thisheaterhasacontrolmodulewith
athermostatsensing bulb.set
temperraturewithtouch pad.Thisre-
sultsinthegreatest heater comfort
andmayresultinlower gasbills.
SAFETYINFORMATION
MANULOVERRIDE
CONTROLSYSTEM
(MN200EHBC,MN300EHBC)
Therearetwocontrolsystems,
electricandmanual overide.Ifno
electricpowerisavailable,youcan
operateheaterbymanualoveride.
LOCALCODES
Thisheaterisdesignedforvent-free
operation.Somestateand local
codesprohibit the use ofvent-free
heater.
Modeles MN200EBCMN200EHBC
MN300EBC MN300EHBC are
equipped forNaturalGas.Field
conversionisnot permitted.
WARNING

4
PRODUCTFEATURES
LOCALCODES continued
Install and use heaterwithcare.Followall local
codes.Intheabsence oflocalcodes,usethe
latestedition ofNationalFuelGas codeANSI
Z223.1,alsoknownasNFPA54*.
*Availablefrom:
AmericanNationalStandards Institute, Inc.
1430Broadway
NewYork, NY10018
NationalFireProtectionAssociation, Inc.
Batterymarch Park
Quincy,MA02269
Figure1-Vent-Free Heater
UNPACKING
1. Removeheater fromcarton.
2.Removeall protectivepackaging appliedto
StateofMassachusetts: Theinstallation must be
made byalicensedplumberorgasfitterinthe
CommonwealthofMassachusetts.
Sellersofunventedpropaneornaturalgas-fired
supplementalroomheatersshall providetoeach
purchaseracopyof 527CMR30upon saleofthe
unit.
IntheStateofMassachusetts,unvented propane
and naturalgas-firedspaceheatersshall bepro-
hibitedinbedroomsand bathrooms.
Water vapor isaby-product of gas combustion.Anvent-
freeroomheater productsapproximatelyone (1)ounce
(30ml) ofwaterforevery1,000BTU s(.3KW s)ofgas
inputperhour.
Vent-freeroomheatersarerecommendedas
supplementalheat(aroom)ratherthan aprimaryheat
source (anentirehouse) . Inmostsupplementalheat
application,thewater vapor does not createaproblem.
Inmostapplications,the watervaporenhancesthe
lowhumidityatmosphereexperience during cold
weather.
The following steps willhelpinsurethatwatervapor
doesnotbecomeaproblem.
1. Besuretheheaterissizedproperlyfortheapplication,
including amplecombustion andventilationair.
WATERVAPOR:ABY-PRODUCTOFVENT-FREEROOMHEATERS
IMPORTANT:Vent-freeheatersaddmoistureto
theair.Although thisisbeneficial, installing heater
inroomswithout enough ventilation air maycause
mildewtoformfromtoomuchmoisture.See Fresh
AirforCombustion andVentilation, pages5and6.
heaterfor shipment.
3. Check heater foranyshippingdamage.If
heater isdamaged, promptlyinformdealer
whereyou boughtheater.
TouchPad
ON/OFF Switch
Burners
LowerFrontPanel
SatetyPilot ControlKnob for ManualOveride
ControlSystem
Door
Ignitor for ManualOveride Control
System
GrillGuard
CabinetTop
2.If high humidityisexperienced,adehumidifiermay
beusedtohelplower the watervapor contentof theair.
3.Donotuse vent-freeroomheateras theprimary
heatsource.

5
PROVIDINGADEQUATE
VENTILATION
Thefollowingareexcerptsfrom
NationalFuelGasCode.NFPA54/
ANSIZ223.1,Section5.3. Airfor
Combustionand Ventilation.All
spaces inhomesfallintooneof
thethree following ventilation
classifications:
1. UnusuallyTightConstruction
2.Unconfined Space
3. Confined Space
Theinformation on pages 5through
6willhelpyouclassifyyour space
andprovide adequateventilation.
ConfinedandUnconfined
Space
TheNational FuelGasCodeANSI
Z223.1 defines aconfined spaceas
aspacewhose volumeisless than
50 cubicfeet per1,000Btuper hour
(4.8m3perkw)of theaggregatein-
putratingofall appliancesin-
stalledinthatspaceand anuncon-
finedspaceasaspace whose
volumeisnotless than50 cubic
feetper1,000Btuperhour(4.8m3
perkw) oftheaggregateinput rat-
ing ofall appliances installedin
thatspace.Roomscommunicating
directlywiththespaceinwhichthe
appliances areinstalled*,through
openings notfurnishedwithdoors,
areconsideredapart of the uncon-
finedspace.
Thisheatershall notbeinstalled
inaconfinedspaceorunusually
tight construction unlessprovisions
areprovidedforadequatecombus-
tionandventilationair.
*Adjoiningroomsarecommunicat-
ingonlyif therearedoorless pas-
sagewaysorventilationgrillsbe-
tween them.
UnusuallyTightConstruction
Theairthat leaks around doorsand
windowsmayprovideenoughfresh
airforcombustionand ventilation.
However, inbuildingsofunusually
tightconstruction, youmustprovide
additionalfreshair.
Unusuallytightconstructionis
defined as constructionwhere:
a.Wallsand ceilingsexposed to
theoutsideatmospherehave a
continuouswatervaporretarder
witharating of oneperm(6×10-11 kg
per pa-sec-m2)or lesswithopenings
gasketedorsealedand
b.Weatherstripping has been
added onopenablewindowsand
doorsand
c.Caulking orsealantsareapplied
toareas suchas jointsaround
windowanddoorframes,between
soleplates and floors,between
wall-ceilingjoints,betweenwall
panels,atpenetrationsforplumbing,
electrical,and gas lines,and at
otheropenings. If yourhomemeets
all ofthe threecriteriaabove,you
must provide additional fresh air.
SeeVentilationAirFromOutdoors,
page 6.
If your homedoesnot meetall of
thethree criteriaabove,seeDeter-
miningFresh-AirFlowforHeater
Location,page5.
DETERMININGFRESH-AIRFLOWFORHEATERLOCATION
Determining if you haveaConfined orUnconfined Space*
Usethisworksheet todetermine if youhave aconfinedorunconfinedspace.
Space: Includesthe roominwhichyouwillinstallheaterplus anyadjoiningroomswithdoorlesspassageways
or ventilation grillsbetweentherooms.
1. Determinethe volumeofthespace(length×width×height).
Length×Width×Height= cu.ft. (volumeofspace)
Example: Spacesize20ft. (length)×16ft.( width)×8ft. (ceiling height)=2560cu. ft. (volumeof space)
If additionalventilationtoadjoiningroomissupplied withgrillsoropenings,addthevolumeoftheserooms
tothe totalvolumeofthespace.
2.Dividethespacevolumeby50 cubicfeettodeterminethemaximumBtu/Hrthespacecansupport.
(volumeof space) 50 cu. ft.=(MaximumBtu/Hr thespacecansupport)
Example: 2560 cu. ft. (volumeof space) 50 cu.ft.=51.2or 51.200(maximumBtu/Hr thespacecansupport)
AIRFORCOMBUSTION
ANDVENTILATION
WARNING:Thisheatershall
notbeinstalledinaconfined
spaceorunusuallytightcon-
structionunlessprovisions are
providedforadequatecombus-
tionandventilationair.Readthe
followinginstructionstoinsure
properfreshairforthisand
otherfuel-burningappliancesin
yourhome.

6
Reworkworksheet, adding thespaceof theadjoining uncon-
finedspace.The combinedspacesmust haveenough fresh
airtosupplyallappliancesinbothspaces.
Ventilation AirFromInsideBuilding
Thisfreshairwouldcomefromanadjoining
unconfinedspace.Whenventilatingtoanadjoin-
ingunconfinedspace, youmustprovide twoper-
manent openings:onewithin12"of theceiling and
onewithin12"of thefloor on thewall connecting
thetwospaces (see options1and 2, Figure2). You
canalsoremovedoorintoadjoiningroom(see
option 3,Figure2). Followthe NationalFuel Gas
CodeNFPA54/ANSIZ223.1.Section5.3,AirforCom-
bustionand Ventilation forrequired sizeof ventila-
tiongrillsorducts.
If the actualBtu/Hrusedislessthanthe maximumBtu/Hrthespace can support,the spaceisan
unconfinedspace.Youwillneednoadditionalfreshair ventilation.
Example:
Gas water heater 40,000 Btu/Hr
Ventfree heater + 18,000 Btu/Hr
Total=58,000 Btu/Hr
3. Add the Btu/Hrofallfuelburningappliancesinthe space.
Vent-free heaterBtu/Hr
Gas waterheater* Btu/Hr
GasfurnaceBtu/Hr
Ventedgas heaterBtu/Hr
GasFireplacelogsBtu/Hr
Other gas appliances*+Btu/Hr
Total=Btu/Hr
*Donotincludedirect-ventgas appliances.Direct-ventdrawscombustion airfromtheoutdoorsand
ventstotheoutdoors.
4.Comparethe maximumBtu/Hr thespacecan support withtheactualamountofBtu/Hrused.
Btu/Hr(maximumthespace can support)
Btu/Hr(actualamount ofBtu/Hrused)
Example : 51,200Btu/Hr(maximumthespace can support)
58,000Btu/Hr(actualamountofBtu/Hr used)
Thespaceintheaboveexampleisaconfinedspacebecause theactualBtu/Hrused ismorethan the
maximumBtu/Hrthespace cansupport.
Youmustprovideadditionalfresh air.Youroptions areasfollows:
A.Reworkworksheet, adding thespaceof an adjoining room. Iftheextraspaceprovidesanunconfined
space,removedoortoadjoining roomoradd ventilation grillsbetweenrooms.See VentilationAirFrom
insideBuilding.
B.Ventroomdirectlytothe outdoors. SeeVentilation AirFromOutdoors .
C. InstallalowerBtu/Hrheater,if lowerBtu/Hrsizemakesroomunconfined.
Figure2-Ventilation AirfromInsideBuilding
NOTE: If thearea inwhichtheheatermay be operated issmallerthan thatdefined as anunconfinedspace
orif thebuilding isofunusuallytightconstruction,provideadequatecombustion and ventilation airbyone
of the methods describedintheNationalFuelGas Code, ANSI Z223.1, Section5.3 orapplicablelocal
Figure3-Ventilation AirfromOutdoors
Ventilation AirFromOutdoors
Provideextrafresh airbyusing ventilationgrillsor
ducts: You mustprovidetwopermanentopenings:
one within12"oftheceilingandonewithin
12"of the floor.
Connecttheseitemsdirectlytotheoutdoorsor
spacesopen tothe outdoors.
These spaces includeatticsand crawlspaces.Fol-
lowthe National Fuel Gas CodeNFPA54/ANSI
Z223.1,Section 5.3. Air for CombustionandVenti-
lation forrequiredsize ofventilation grillsorducts.
IMPORTANT: Donotprovideopeningsforinletor
outlet airintoatticif attichasathermostat-con-
trolledpowervent.
Heated air entering theatticwill activatethe powervent.

7
NOTICE: Thisheaterisin-
tendedforuse as supplemental
heat. Use thisheateralongwith
yourprimaryheatingsystem. Do
notinstall thisheaterasyour
primaryheatsource.If you havea
centralheating system, you may
run system scirculating blower
whileusingheater. Thiswillhelp
circulatetheheatthroughout the
house.Inthe eventofapower
outage,youcan usethisheater
as yourprimaryheatsource.
INSTALLATION
WARNING:Aqualified service
person mustinstallheater. Fol-
lowalllocalcodes.
WARNING:Electrical
Grounding Instructions
Thisappliance isequippedwitha
three-prong (grounding)plug for
your protectionaginst shockhazard
andshouldbepluggeddirectlyinto
aproperlygrounded three-prongre-
ceptacle
WARNING: Neverinstall the
heater
l inabedroomor bathroom.
l inarecreationalvehicle.
l wherecurtains,furniture,
clothing,orotherflammable
objectsarelessthan 36inches
fromthefront, top,or sides
of theheater.
l asafireplaceinsert.
l inhigh trafficareas.
l inwindyordraftyareas.
WARNING:Maintainthemini-
mumclearancesshowninFig-
ure4. If you can, providegreater
clearancesfromfloor, ceiling,
andjoining wall.
CAUTION:Ifyouinstallthe
heaterinahomegarage
l heater pilotandburnermust
beatleast18inchesabove
floor.
l locateheater wheremoving
vehiclewill not hitit.
CHECKGASTYPE
UseonlyNaturalgas.Ifyourgas
supplyisnotNatural,do notinstall
heater. Calldealerwhereyou
boughtheater forpropertypeheater.
LOCATING HEATER
Thisheaterisdesigned for mount-
ing on awall,seton floor, away
fromawall.
Purchaseoptionalfloormounting
standfromyourdealer.
SeeAccessories,page16.
Forconvenienceand efficiency,
install heater
l wherethereiseasyaccessfor
operation,inspection,andservice
l incoldestpartofroom
Figure4-Mounting Clearances
AsViewedFromFront Of Heater
FASTENING HEATERTOWALL
Mounting Bracket
Themountingbracket islocated
onbackpanelof heater(see
Figure5). Ithas beentapedthere
forshipping.Removemounting
bracket fromback panel.
Figure5-Mounting Bracket
Location
CAUTION: Thisheatercreates
warmair currents.Thesecurrents
move heattowallsurfacesnext
toheater.Installingheater
next tovinylor clothwallcover-
ingsoroperating heaterwhere
impurities(suchastobacco
smoke,aromaticcandles,clean-
ingfluids,oil orkerosenelamps,
etc.)inthe air existmaydiscolor
walls.

8
INSTALLATION
continued
MethodsForAttaching Mounting
BracketToWall
Onlyuse lastholeoneach end
ofmountingbrackettoattach
brackettowall.These twoholes
are16 inchesapartfromtheir
centers.Attach mounting bracketto
wallonlyinoneoftwoways:
1. Attaching towall stud
2. Attaching towall anchor
Note: Wall anchors, mounting screws
areinhardwarepackage. Thehard-
warepackageisprovidedwith
heater.
AttachingtoWallStud: Thismethod
provides the strongest hold.Insert
mountingscrewsthroughmounting
bracketandintowallstuds.
AttachingtoWallAnchor: This
methodallowsyoutoattach
mountingbrackettohollowwalls
(wallareasbetween studs)orto
solidwalls(concreteor masonry).
Decide whichmethodbetter
suitsyourneeds.Eithermethod
willprovide asecureholdfor the
mountingbracket.
2.Markscrewlocations on
wall. (see Figure6)
Note: Onlymarklastholeon
eachend ofmountingbracket.
Insert mountingscrewsthrough
theseholesonly.
3.Removetapeand mounting
bracket fromwall.
MarkingScrewLocations
1.Tapemountingbrackettowall
whereheaterwillbelocated.
Makesuremounting bracketis
level.
Attaching toWall Stud Method
Forattaching mounting bracketto
wallstuds
1.Drillholes at markedlocations
using9/64"drill bit.
2.Placemounting bracketonto
wall. Line uplastholeoneach
endofbracketwithholesdrilled
inwall.
3.Insertmountingscrewsthrough
bracketand intowall studs.
4.Tightenscrewsuntilmounting
bracketisfirmlyfastenedto
wallstuds.
AttachingtoWallAnchor
Method
For attachingmounting bracketto
hollowwalls(wallareasbetween
studs) orsolidwalls(concreteor
masonry)
1.Drillholes atmarkedlocations
using5/16"drill bit.Forsolid
walls(concreteor masonry),drill
atleast1"deep.
2.Foldwall anchor asshownin
Figure7below.
Figure7-FoldingAnchor
3. Insert wall anchor (wingsfirst)
intohole.Tap anchorflush to
wall.
4.Forthinwalls(1/2"orless),
insertredkeyintowallanchor.
Pushred keyto"pop"openan-
chor wings(seeFigure8).
ModelMN200EBCMN200EHBC
WARNING:Maintainthe
minimumclearancesshownin
Figure6.If you can,provide greater
clearances fromfloor, ceiling,and
joiningwall.
Figure6- Mounting Bracket
Clearances
ModelMN300EBCMN300EHBC
IMPORTANT: Donot ham-
mer key!Forthickwalls(over1/
2"thick)orsolidwalls,
do notpop openwings.
5. Placemounting bracketonto
wall. Lineuplastholeon
each endof bracket withwall
anchors.
6.Insert mounting screwsthrough
bracket andintowall anchors.
7.Tightenscrewsuntilmounting
bracketisfirmlyfastened towall.
PlacingHeateronMounting
Bracket
1. Locatetwohorizontalslotson
back panelofheater(see
Figure9).
2.Place heaterontomounting
bracket. Slide horizontalslots
ontostand-outtabson
mounting bracket.
Figure9- Mounting HeaterOnto
Mounting Bracket
Figure8-Popping Open Anchor
Wing ForThinWalls
OnlyInsertMounting
ScrewsThrough Last
HoleOnEach End
Adjoining Wall
Floor
OnlyInsertMounting
ScrewsThrough Last
HoleOnEach End
Adjoining Wall
Floor

9
INSTALLATION
continued
Installing BottomBracket (See
Figure10)
1. Installbottombrackettoheater
bottomwithtwoscrews.It may
bemoreconvenienttoremove
heaterfromwall mounting.
brackettoattach bottombracket
2.Placeheateronmounting
bracket.
3.Locatetwobottommounting
holesonwall. Theseholesare
near bottomonheater(see
Figure10).
4.Markscrewlocations onwall.
5.Removeheater frommounting
bracket.
6.Ifinstalling bottommounting
screwsintoholloworsolidwall,
installwall anchors.Followsteps
1through 4under Attaching To
Wall Anchor Method.Ifinstall-
ing bottommounting Screwinto
wall stud,drill holes at
markedlocationsusing 9/64"drill
bit.
7. Replaceheaterontomounting
bracket.
8. Tightenbothscrewsuntil heater
isfirmlysecured towall.Donot
overtighten.
Figure10 - Installing BottomBracket
CONNECTING TOGAS
SUPPLY
IMPORTANT: Check yourgas
linepressurebeforeconnecting
heatertogasline.Gaslinepres-
suremust benogreaterthan 14
inchesofwater.Ifgaslinepres-
sureishigher,heaterregulator
damage couldoccur.
Figure11-GasMeter
WARNING:Donot overtighten
gas connections.
WARNING:Aqualified
servicepersonmustconnect
heatertogassupply.Followall
localcodes.
WARNING:Thisappliance
requiresa3/8"NPT(National
PipeThread)inletconnection
tothe pressureregulator.
WARNING: Neverconnect
heatertoprivate( non-utility)
gas well.Thisgas iscommonly
knownas well-headgas.
CAUTION: Use onlynew, black
iron or steelpipe.Internally-tinned
copper tubing maybeusedin
certainareas. Check your local
codes.Use pipeof largeenough
diameter toallowproper gas volume
toheater. If pipeistoosmall,
undueloss of pressurewill occur.
CAUTION:Use pipe joint
sealantthat isresistant toliquid
naturalgas.
CAUTION: Aviod damage
toregulator. Holdgasregulator
withwrenchwhen connectingto
gaspiping and/orfittings.
INSTALLATION NEEDS
Beforeinstalling heater, makesure
youhavethe itemslisted below.
l piping(checklocalcodes)
l sealant (resistanttoNatural
gas)
l equipment shutoff valve*
l groundjoint union
l test gauge connection*
l sediment trap
l teejoint
l pipe wrench
*ACSA/AGAdesign-certifiedequip-
mentshutoffvalvewith1/8"NPT
tapisanacceptablealternativeto
testgaugeconnection.Purchase
theoptionalCSA/AGAdesign certi-
fiedequipment shutoff valvefrom
yourdealer.SeeAccessories,page
16.

10
INSTALLATION
*ACSA/AGAdesign-certifiedequipmentshutoff valvewith1/8"NPTtapis
anacceptablealternativetotest gaugeconnection.Purchase the optional
CSA/AGAdesign-certifiedequipmentshutoff valve fromyour dealer.
IMPORTANT:Installanequipment
shutoffvalve inan accessible
location.Theequipmentshutoff
valveisfor turning on or shutting
off thegastotheappliance.
Installsedimenttrapinsupplyline
as showninFigure12.Locate
sedimenttrapwhereitiswithin
reachforcleaning.Locatesedi-
ment trap wheretrapped matter
Figure12 -Gas Connection
Applypipejointsealantlightlyto
malethreads.Thiswillprevent
excess sealantfromgoing into
pipe.Excesssealantinpipecould
result incloggedheatervalves.
CHECKINGGAS
CONNECTIONS
Pressure Testing GasSupply
Piping System
TestPressuresIn Excess Of
1/2PSIG (3.5KPa)
1.Disconnect appliancewithits
appliancemaingas valve(control
valve)and equipmentshutoff
valvefromgassupplypiping
system. Pressures inexcess of
1/2psigwill damageheater
regulator.
2. Capoff openend of gas pipe
whereequipmentshutoff valve
wasconnected.
3. Pressurizesupplypiping system
byeither usingcompressedair
oropening maingas valvelo-
cated onorneargasmeter.
4.Checkall jointsofgassupply
piping system.Applymixtureof
liquidsoapandwatertogas
joints. Bubblesformingshowa
leak.
5. Correctallleaksat once.
6. Reconnectheater andequipment
shutoff valvetogassupply.Check
reconnected fittings forleaks.
TestPressures EqualToor
LessThan 1/2PSIG(3.5KPa)
1.Closeequipmentshutoffvalve
(see Figure13).
2.Pressurize supplypipingsystem
byeitherusingcompressedair
oropening maingasvalve lo-
cated onorneargasmeter.
3.Checkalljointsfromgasmeter
toequipment shutoff valve (see
Figure14). Applymixtureof liquid
soap and watertogas joints.
Bubblesformingshowaleak.
4. Correctallleaksatonce.
StateofMassachusetts: Theinstal-
lationmustbemadebyalicensed
plumber or gas fitterintheCommon-
wealthofMassachusetts.
Sellersof unventedpropane or natu-
ralgas-fired supplementalroom
heatersshallprovide toeachpur-
chaseracopyof527CMR30upon
saleofthe unit.
IntheStateofMassachusetts,
unventedpropaneand naturalgas-
firedspace heatersshall beprohib-
itedinbedoomsand bathrooms.
isnotlikelytofreeze.Asediment
traptrapsmoistureand
contaminants.Thiskeepsthem
fromgoing intoheatercontrols. If
sediment trapisnot installedor is
installed wrong, heater maynotrun
properly.
WARNING:Testall gas
piping and connectionsforleaks
after installing or servicing. Correct
all leaks at once.
WARNING:Neveruse an
openflametocheckfor aleak.Apply
amixtureof liquidsoapandwaterto
all joints.Bubblesforming showa
leak.Correctall leaksatonce.
CAUTION: Makesureexter-
nalregulator has been installedbe-
tweengassupplyandheater. See
guidelines under Connecting toGas
Supply.

11
Figure13-Equipment Shutoff Valve
CHECKINGGAS
CONNECTIONS
Continued
PressureTestingHeaterGas
Connections
1.Openequipmentshutoff valve
(seeFigure13).
2. Openmaingas valvelocatedon or
neargas meter.
3.Makesurenopowertoheater.
4.Check all jointsfromequipment
shutoffvalvetocontrolvalve
(see Figure14 ). Applymixtureof
liquidsoapand water togas
joints.Bubblesformingshow
aleak.
5. Correct allleaks atonce.
6.Lightheater(seeOperating
Heater, pages 11and 12). Check
therestof theinternaljointsfor
leaks.
7.Turnoff gas (see page12).
FORYOUR SAFETY
READBEFORELIGHTING
A.Thisapplianceisequipped withan
ignition devicewhichautomatically
lightsthepilot. Donottrytolight
thepilotbyhand.
B.BEFORELIGHTINGsmellall
around theappliancearea for
gas.Besuretosmell nextto
the floorbecausesomegasis
heavierthan air and will settle
on thefloor .
WHATTODOIFYOU SMELLGAS
l Donottrytolightanyappliance.
l Donot touch anyelectricswitch;
do notuse anyphone inyour
building.
l Immediatelycallyourgas
supplier fromaneighbor s
phone.Followthegas
supplier sinstructions.
l Ifyoucannot reachyour
gassupplier, callthefire
department.
C.Use onlyyour handtopush
on button.Neverusetools.If
the doesnotoperate.don ttryto
repair it,callaqualifiedservice
technicianor gassupplier.
Forceorattemptedrepairmay
resultinafireorexplosion.
D.Donotuse thisapplianceif any
part has been underwater.
Immediatelycallaqualified
servicetechniciantoinspect
theapplianceandtoreplace
anypartofthecontrolsystem
and anygascontrolwhichhas
been underwater.
Figure14 -Checking Gas
Connections
OPERATINGYOUR HEATER
For MN200EHBC,MN300EHBC
modelswithmanualoverrsidemake
suretheControlKnobinthe
ELECTRICpostion.(SeeFigure15).
WARNING: Ifyou do not
followtheseinstructionsexactly,
afireor explosion mayresult in
causingpropertydamage,personal
injuryorlossoflife.
OPERATING
INSTRUCTION
1. STOP! Read thesafetyinforma-
tion obovebeforelighting.
2. Disconnect orturnoffallelectric
power toheater.
3. Thisapplianceisequippedwith
anignition device which automati-
callylightsthepilot.Donot trytolight
thepilotbyhand.
4.Waitfive(5)minutes toclearout
anygas.Thensmell forgas, includ-
ingnear thefloor. If yousmell gas,
STOP! Follow “B”inthesafetyin-
formationabove. Ifyou don t smell
gas, gotonext step.
5.Plugintoaproperlygroundedthree-
prong receptacle,setON/OFF
switch on, you will hear ahigh pitch
sound thatindicates theburneris
readytobeoperated.
6.MakesureControlKnobisinELEC-
TRICposition.
7. PressIGN/OFF button an electric
sparkwillignitethepilot.
8.PressBURNERbuttonfor desired
burneroperation.
AUTO:Burner will automaticallyturn
onorofftodesiredtemperature
setting, press orfordesired
temperaturesetting.
MAN:Burner operates continuously.
OFF:The mainburner will shut off.
9.Iftheappliancewill not operate,
followtheinstructions “ToTurnOff
Gas ToAppliance”andcall your
service technicianorgassupplier.
Note:Thethermostatsensing bulb
measures the temperatureof airnear
theheatercabinet. Thismay notal-
waysagree withroomtemperature
(depending onhousingconstruction,
installation location,roomsize,air
temperatures,etc.)Frequentuseof
your heater will let youdetermine your
owncomfort levels.
Clock setting:Press CLOCKbutton
toselectitem(hour,minute). The se-
lecteditemwillflash.Pressor
tochangetocorrecttime(hour,
minute). PressCLOCKbutton again,
tosetclock.
SETTINGCLOCK

12
OPERATINGYOURHEATER
continued
AUTOON:Withburneroff,press
TIMER button. Thenpress or to
change tothescheduledtime,then
presstheTIMERbuttonagain,the
TIMER startstiming and theTIMER
will flash.Burnerwillautomatically
comeonatthesettime.
SETTINGTIMER
AUTOOFF:Withburneroperating,
pressTIMER button.Thenpress or
tochangetothescheduledtime,
thenpresstheTIMER button again,
theTIMER startstiming and the
TIMERwillflash. Burnerwill automati-
callyshutoffatthedesiredtime.
LOCKINGTOUCH-PAD
(childproof)
A.Key-press locking:Press LOCK
buttonontheoperatingpanel,
asymbolwillappearon theLCD.
B.Key-pressunlocking:Press,
thenpressLOCKbuttontounlock.
1.Press the IGN/OFFbuttononthe
touchpad.
2.Set theON/OFF switch toOFF posi-
tionontoppanel.
Ifthemanualcontrolknob pointsto
ELECTRICposition, pressinthecon-
trolknobandturncounter clockwise
toOFFposition.
4.Waitfive(5)minutes toclearany
gas. Thensmell forgas,including
nearthefloor. If you smell gas,
STOP!Follow “B”inthesafetyin-
formationonpage11.If youdonot
smellgas,gotothenextstep.
5.Pushingas controlknobslightly
andturncounterclockwiseto
PILOT/IGN anddepressfor five(5)
seconds.NOTE:Thefirsttimethe
heaterisoperatedafterconnecting
the gassupply,thecontrolknob
shouldbedepressedforabout
thirty(30)seconds.Thiswill allow
airtoexit thegassystem.
6.Withcontrolknob pressed,push
and release ignitorbutton.This
willlightthepilot.If needed, keep
pressingignitorbuttonuntilpilot
lights.
7.Keepcontrolknob depressedfor
ten (10)secondsafterlighting
pilot. If pilotgoes out, repeatsteps
5,6and 7.
8.Rotatecounterclockwiseto
ONpositiontolight burner. Donot
operatebetweenlockedpositions.
NOTE: Waitone minutetolight
againaftershuttingoffheater.
MANUALOPERATING
INSTRUCTIONS
TO TURN OFFGASTO
HEATER
MAN:Bloweroperates continuously.
OPERATINGBLOWER
PressBLOWER button,fordesired
bloweroperation.
OFF: Blowerisoff.
AUTO:Blowerwill comeon several
minutesafterburnercomesonand
will go off severalminutes afterburner
goesoff.
1. STOP! Readthe safetyinformation
onpage11beforelighting.
3.Removeround access door ofright
sidepanel.Pushincontrolknob
slightlyandturnclockwisetothe
OFFposition.
Weprovide themanual control
systemjust incase of power
shortage. Install batteryforManual
Ignitor:
1.Unscrewthe ignitor cap.
2. Insert aAAAtypebatterywithitsan-
ode(“+”)pointingout.
3.Screwtheignitor backcap.
Note:Werecommend thatthebattery
be takenoutoftheignitorwhenthe
powersupplygetsright.
2. Check thatgassupplytotheheater
ison.
ControlKnob
IgnitorButton

13
Figure15- Manual Control
Pushingascontrolknob slightly
and turnclockwise toOFF.
Donotuse force.NOTE:Waitone
(1)minutewithcontrolknobinOFF
positionbeforeoperatingheater.
9.When electricpowerisavailable
andelelectronicoperationis
desired,turnclockwise to
OFF positon for oneminute.Then
pressdownknoband rotate
clockwisetoELECTRIC
position.Donot operatebetween
locked positions.
1. Remove lowerfrontpanel.
2.Followsteps 1through5under
ManualOperatting
Instructions on page 12.
3. Withcontrol knob pressedin, strike
match. Holdmatch topilotuntil pilot
lights.
MANUALLIGHTING
PROCEDURE
INSPECTINGBURNER
Check pilotflamepatternand burner
flamepatternoften.
MANUALOPERATING
INSTRUCTIONS
continued
4. Keepcontrolknob pressedinfor30
secondsafterlightingpilot.
5.Rotatecounterclockwise toONpo-
sitiontolightburner.Donotoper-
atebetweenlooked positions.
4.Replacelower front panel.
TO TURN OFFGASTO
APPLIANCE
(MatchLight)
l turnheateroff(see page11)
l seeTroubleshooting, pages17
through 19.
Figure16- Correct Pilot Flame
Pattern
BURNERFLAMEPATTERN
Figure18 showsacorrect burner
flamepattern. Figure19 showsan
incorrectburnerflamepattern.If
burnerflamepattemisincorrect,
asshowninFigure19.
l turnheater off(seepage 11).
lsee Troubleshooting. pages17
through 19.
PILOTFLAMEPATTERN
Figure16showsacorrect pilot flame
pattern.The incorrectpilot flameis
nottouching hermocouple.Thiswill
cause thethermocoupletocool.
Whenthethermocouplecools,the
healerwill shutdown.Ifpilotflame
patternisincorrect, as showninFig-
ure17.
Figure17 - Incorrect Pilot Flame
Pattern
Figure18 - CorrectBurnerFlame
Pattern
Figure19 - Incorrect Burner
FlamePattern

14
CLEANINGAND
MAINTENANCE
DISCONNECT WIRINGON CONTROL
MODULE
1.Remove twoscrewsfromthelower
frontpanel,putthe lower front panel
forwardthedowntakeout thermostat
sensing bulbfromtheclip, thendisco-
nnectthewirestofromcontrol
module.
Note:Donotconfusethe markon
eachwire.
2. Remove twoscrewsandhex nuts,
take outthe controlmodule.When
installing , reverse thestepsabove.
(See Figure20,23 and24)
Figure20 Control Model Access
DISCONNECTFAN
1.Removescrewsfromthefan
bracket panel,pull thefanbracket
panelout toremove.Disconnect
twowires twowires oftemperature
sensor.
2.Markor tageach wireremovedfor
itsexactreconnection.Remove
thefourscrewsfromthefan.
Wheninstalling,reversethe
stepsabove.(See Figures 21, 23
and24)
CAUTION: You mustkeep
control areas, burner, and circulat-
ing airpassagewaysofheater
clean.Inspectthese areasof
heaterbeforeeach use.Have
heater Inspectedyearlybyaquali-
fiedserviceperson.Heatermay
need morefrequent cleaningdue
toexcessivelintfromcarpeting,
beddingmaterial,pethair, etc.
Figure21- Fan Access
CLEANING BURNER AND PILOT
AIRINLETHOLE
Werecommend thatyou clean
theunitevery2,500 hoursof
operation oreverythree months.
Wealso recommend that youkeep
theburnertubeandpilotassembly
cleanandfreeofdustand dirt.
CLEANINGODS/PILOTANDBURNER
lUse avacuumcleaner,pressurized
air.orsmall, soft bristledbrush
toclean.
Clean the pilotassemblyalso.A
yellowtipon thepilotflameindi-
cates dustand dirt inthepilot
assembly. Thereisasmallpilot air
inletholeabouttwoinchesfrom
wherethepilot flamecomesoutof
thepilotassembly(see Figure22).
Withtheunit off,lightlyblowairthrough
theairinlethole.Youmayblowthrough
adrinkingstrawifcompressedairis
notavailable.
WARNING: Failuretokeep
theprimaryairopening(s)ofthe
burner(s)cleanmayresultinsoot-
ingand propertydamage.
CAUTION: Labelallwires
priortodisconnectionwhen servic-
ing controls.Wiring errorscan
causeimproperanddangerous
operation.Verifyproperoperation
afterservicing.
Tocleanthesepartswerecom-
mendusing compressedairno
greater than30PSl.
Yourlocalcomputer store, hardware
store,orhomecentermaycarry
compressed air inacan.Youcan
useavacuumcleanerintheblow
position. If using compressedairin
acan,please followthedirections
onthecan.If you don tfollowdirec-
tionson thecan,you coulddamage
thepilotassembly.
1. Shut off theunit, including the
pilot.Allowthe unittocool for
at leastthirtyminutes.
2.Inspectburner, pilotfordust
and dirt.
3. Blowair through theports/slots
andholes intheburner.
CLEANING HEATERCABINET
AirPassageways
lUseavacuumcleaneror
pressurized airtoclean.
Exterior
lUse asoft clothdampenedwith
amildsoapand watermixture.
Wipethe cabinet toremovedust.
Figure22- Pilot Inlet AirHole
WARNING: Disconnect
powerbeforeattempting anymain-
tenanceorcleaning toreducethe
risk offire,electricshook orper-
sonalinjury.Turnoff heater and let
coolbeforecleaning.

15
Figure23-
Figure24- DoubleControlSystemsDiagram
(ModelMN200EHBCMN300EHBC)
(ModelMN200EBCMN300EBC)

16
Note: Dimensionslisted areoutermostpointson the heater
(includesgrill).
*Forpurposesofinputadjustment.
MN200EBC(MN200EHBC)
20,000
NaturalGasOnly
Automatic(Automatic/Electric)
120 V
20 W
3"W.C.
10.5"
4"
23 5/8×19 5/8×9
271/2×22×101/8
33(34)
38(39)
REPLACEMENTPARTS
Use onlyoriginalreplacement parts.
Thiswillprotectyourwarranty
coveragefor partsreplacedunder
warranty.
PARTSNOTUNDER
WARRANTY
Contactauthorizeddealersofthis
product. If theycan t supplyoriginal
replacement part(s), call PRO-COM s
phonenumber(877)886-5989.
TECHNICALSERVICE
You mayhavefurtherquestions
aboutinstallation,operation,or
troubleshooting.Ifso,contact
PRO-COM Sphonenumber(877)
886-5989.
FLOORMOUNTINGSTAND
Forlocating heateron thefloor,
away fromawall. Completeinstal-
lation instructions providedwithfloor
mounting base stand.
FLOORSTAND MODEL:PF0920C
EQUIPMENTSHUTOFFVALVE
Forallmodels.Equipment shutoff
valvewith1/8" NPT tap. Thispart
shouldbepurchased.
ACCESSORIES
Purchase these heateraccesso-
riesfromyourlocaldealer. If they
l yourname
l your address
l modeland serialnumbersof
your heater
l howheater wasmalfunctioning
l type of gasused (Propane/LPor
Naturalgas)
l purchase date
l warrantycard
Usually, wewillask youtoreturnthe
defectivepart tothefactory.
Iftheyareunabletosupply
originalreplacementpart(s), call
thenumberon the frontof man-
ual.Whencontactingyourdealeror
PRO-COM,haveready:
PARTSUNDER WARRANTY
Contactauthorizeddealerfrom
whomyoupurchased thisproduct.
SPECIFICATIONS
BTU/Hr
GasType
Ignition
Volts
Watts
ManifoldPressure
InletGas Pressure
(inches ofwater)
Maximum
Minimum
Dimensions,Inches (HxWxD)
Heater
Carton
Weight (pounds)
Heater
Shipping
cannotsupplythese accessories,
contactPRO-COMforinformation.You
can also writetothe address
listedonthefrontofthismanual.
MN300EBC(MN300EHBC)
30,000
NaturalGasOnly
Automatic(Automatic/Electric)
120 V
27 W
3"W.C.
10.5"
4"
235/8×271/16×9
27 1/2×297/16×111/8
40(41)
45(46)

17
TROUBLESHOOTING
POSSIBLECAUSE
1. Nopowertoheater
2.ON/offswithnotON
3.Wireisdamagedorloose
4. Pilotelectrudepositionisnotcorrect
5. Touchpad cableisnot connected
6. Systemhalt
1.Gassupplyturned off orequipment
shut off valveclosed
2. Air ingaslines wheninstalled
3. Depletedgassupply
4. ODS/pilotisclogged
5.Gasinletsupplypressurenot correct
6.Wireisdamagedorloose
7. Pilotelectrudepositionisnotcorrect
8.Gas valveorregulatorisdamage
1. Equipmentshutoff valveisnot
fullyopen
2.Thermocoupleconnection
looseatcontrolmodule
3Lowgaspressure
4. Dirt orpartiallycloggedODS/pilot
5.Thermocoupledamaged
6.Gasvalveorregulatordamaged
WARNING: If you smell gas
l Shut off gassupply.
l Donottrytolight anyappliance.
l Donottouchanyelectrical switch; donot useanyphoneinyourbuilding.
l Immediatelycallyourgassupplierfromaneighbor sphone. Followthe gas
supplier sinstructions.
l If you cannot reachyourgassupplier,callthefiredepartment.
IMPORTANT:Operatingheaterwhereimpuritiesinairexistmaycreateodors.
Cleaning supplies,paint,paintremover, cigarettesmoke,cementsandglues, new
carpetortextiles, etc.,createfumes.Thesefumesmaymixwithcombustion air
and createodors.
Warning : Makesurethat power
isturnedoff beforeproceeding.
CAUTION:Neveruseawire,
needle, orsimilarobject toclean
ODS/pilot.Thiscan damage
ODS/pilotunit.
OBSERVED PROBLEM
Whenignitionbuttonispressed,
thereisnosparkat ODS/pilot.
When IGN/OFF ispressed
Sparkat ODS/pilotbut noignition.
ODS/pilothas flame,butcontinues
tospark.
WARNING: Turnoff and letcool
beforeservicing.Onlyaqualified
servicepersonshouldservice and
repairheater.

18
TROUBLESHOOTING
Continued
OBSERVED PROBLEM
ODS/pilot hasflame,butburner(s)
doesnotlight
Delayedignitionofburner(s)
Burner backfiring duringcombustion
BurnerPlaque(s)doesnotglow
Slight smoke or odorduring
initialoperation
Heaterproducesaclicking/ticking
noisejustafter burnerislit or
shut off
Whitepowderresidue forming
withinburnerboxor onadjacent
wallsorfurniture
POSSIBLECAUSE
1.Burnerinjector isclogged
2.Inletgaspressureistoolow
3. Thermoocoupleleads discon
nectedorimproperlyconnected
4.Batteriesweak
1. Manifoldpressureistoolow.
2.Burner injector isclogged
1. Burnerinjector isclogged or
damaged
2. Burnerisdamaged.
3. Excessivesupplypressure
damaged regulator
1.Plaquedamaged
2.Inletgas pressureistoolow
1.Residues frommanufacturing
processes
1. Metalexpandingwhileheating or
contracting whilecooling
1. Heatedvaporsfromfurniture
polish,wax, carpet cleaners,
etc. turnintowhitepowder
residue
REMEDY
1.Cleanburnerinjector (see Cleaning
andMaintenance,Page14)or
replaceburner injector
2.Contactlocalnaturalgascompany
3.Reconnectleads (Seewiring
diagram)
4.Replacebatteres
1.Contact localnaturalgascompany.
2.Cleanburner(see Cleaningand
Maintenance,Page14)orreplace
burnerinjector
1.Clean burnerinjector(see Cleaning
and Maintenance, Page14)or
replaceburner injector(s)
2. Replaceburner
3.Replace gasregulator
1. Replaceburner
2.Contact localnaturalgas
company.
1.Problemwillstopafter afewhours
ofoperation
1.Thisiscommonwithmost
heaters. If noiseisexcessive,
contactqualifiedserviceperson
1. Turnheater offwhen using furniture
polish,wax, carpetcleaner, or
similarproducts

19
TROUBLESHOOTING
Continued
REMEDY
1. Ventilateroom.Stopusing odor
causingproductswhileheater
isrunning
2.Locateandcorrectall leaks(see
Checking GasConnections,
Page10)
1. Open windowand/ordoor for,
ventilation
2. Contactlocalnaturalgas
company.
3.Clean ODS/pilot(seeCleaning
Page14)
1. Locateandcorrectallleaks(see
CheckingGasConnections,
Page10)
1. Removeforeign matter.
2.Locateandcorrect all leaks
(seeCheckingGas
Connections, Page10)
1.Refer toAirforCombustion and
Ventilation requirements, Page
5
POSSIBLECAUSE
1. Heater isburning vaporsfrom
paint, hairspray, glues,etc.
(SeeIMPORTANTstatement
at beginningof troubleshooting)
2. Gas leak.See WARNING
Statementatbegining of
troubleshooting
1.Notenoughfreshairisavailable.
2.Lowlinepressure
3.ODS/pilotispartiallyclogged
1.Gasleak. See WARNING
Statement atbeginingoftrouble
shooting
1. Foreignmatterbetweencontrol
valveandburner
2.GasleakSee WARNING
Statementatbegining of
troubleshooting
1.Notenough combustion/
ventilation air
OBSERVED PROBLEM
Heaterproducesunwantedodors
Heater shutsoffinuse(ODS
perates)
Gasodorexistsevenwhenheateris
shut off
Gasodor duringcombustion
Moisture/condensation onwindows
NOTE:BEFOREYOUSWITCH TO “ELECTRIC”CONTROLLEVELFROMMANUALCONTROL,YOUNEED
TO TURNTHEKNOBTO “OFF”LEVELFIRSTANDWAITFORONEMINUTE,THENTURNTHEKNOBTO
“ELECTRIC”.
INCASEOF “ELECTRONIC”CONTROLLEVELDOESNOTWORK,PLEASE TURNTHECONTROLKNOB
COUNTERCLOCKWISETO “OFF”LEVELAND WAIT FORONEMINUTE.

20
ILLUSTRATED
PARTSBREAKDOWN
MN200EBC
MN300EBC