Nordyne CMF95 Series Installation guide

Brand: Nordyne

Model: CMF95 Series

Type: Installation guide

This manual is also suitable for

CMF95

95.1% AFUE

Direct Vent (Sealed Combustion) Forced Air

CMF95 Series Downﬂow Condensing Gas Furnace

For Installation in:

• ManufacturedHomes

• RecreationalVehicles,ParkModels,&

ManufacturedBuildings

• ModularHomes/Buildings

INSTALLATION INSTRUCTIONS

DO NOT DESTROY THIS MANUAL. KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.

FIRE OR EXPLOSION HAZARD

•Failure to follow safety warnings exactly

could result in serious injury or property

damage.

•Installationandservicemustbeperformed

byaqualiedinstaller,serviceagencyorthe

gassupplier.

•Do not store or use gasoline or other

ammablevaporsandliquidsinthevicinity

ofthisoranyotherappliance.

WHAT TO DO IF YOU SMELL GAS

•Donottrytolightanyappliance.

•Donottouchanyelectricalswitch;donot

useanyphoneinyourbuilding.

•Leavethebuildingimmediately.

•Immediatelycall yourgassupplierfroma

neighbor’sphone.Followthegassupplier’s

instructions.

•Ifyoucannotreachyourgassupplier,call

theredepartment.

WARNING:

RISQUED’INCENDIEOUD’EXPLOSION

•Le non-respect des avertissements de

sécurité pourrait entraîner des blessures

graves,lamortoudesdommagesmatériels.

•L’installation et l’entretien doivent être

effectués par un installateur qualié, un

organismedeserviceoulefournisseurde

gazstaller,serviceagencyorthegassupplier.

•Nepasentreposerniutiliserdel’essenceni

d’autres vapeurs ou liquides inammables

danslevoisinagedecetappareil,nidetout

autreappareil.

QUEFAIRES’ILYAUNEODEURDEGAZ

•Nepastenterd’allumeraucunappareil.

•Netoucheràaucuninterrupteurélectrique;

n’utiliseraucuntéléphonedanslebâtiment.

•Évacuerl’immeubleimmédiatement.

•Appeler immédiatement le fournisseur de

gazenemployantletéléphoned’unvoisin.

Respecter à la lettre les instructions du

fournisseurdegaz.

•Sipersonnenerépond,appelerleservicedes

incendies.

AVERTISSEMENT

IMPORTANT SAFETY INFORMATION .......................3

REQUIREMENTS & CODES .......................................3

 ClearancestoCombustibleMaterials.......................5

 CombustionAirQuality.............................................5

 HeatingLoad............................................................5

 CondensateDisposal...............................................5

COMBUSTION AIR & VENTING REQUIREMENTS ....6

 ImportantInformation...............................................7

 CategoryIVAppliances............................................7

 DirectVentInstallation..............................................7

 VentPipeLength&Diameter................................. 7

 VentPipeMaterial.................................................. 8

 VentPipeInstallation.............................................. 8

 OutdoorTerminations-HorizontalVenting............. 8

 OutdoorTerminations-VerticalVenting.................. 9

 VentFreezingProtection...................................... 10

 ExistingInstallations............................................. 10

 VentilaireIIIorIVAirQualityPackage................... 10

CIRCULATING AIR REQUIREMENTS ...................... 11

 Plenums&AirDucts.............................................. 11

 SupplyAirConnections.......................................... 11

 Dampers................................................................. 11

 UnconditionedSpaces........................................... 11

 ClosetInstallations................................................. 11

 FurnaceFilter......................................................... 12

 AcousticalTreatments............................................ 12

FURNACE INSTALLATION ....................................... 13

 GeneralInformation................................................ 13

 BeforeYouInstallthisFurnace............................... 13

 LocatingtheUnit.................................................... 13

 MA-200BaseInstallation....................................... 13

 InstallingtheFurnaceonanMA-200Base............ 13

 MA-100UniversalBaseInstallation........................ 14

 InstallingtheFurnaceonanMA-100Base............. 15

 CondensateDrainage............................................ 15

GAS SUPPLY & PIPING ............................................ 16

 LeakCheck........................................................... 16

 High-AltitudeApplication........................................ 17

 ConvertingtoLP/PropaneGas............................ 18

 RemovingtheBurnerOrices.............................. 19

 GasPressureVerication....................................... 19

 MeasuringtheSupplyGasPressure.................... 19

 Lighting&AdjustmentoftheAppliance................ 20

 MeasuringtheManifoldPressure......................... 20

 RemovingtheManometer/PressureGauge...... 20

 CompletingtheConversion.................................... 20

ELECTRICAL WIRING ............................................... 21

 LineVoltageWiring................................................ 21

 Grounding............................................................... 21

 Thermostat/LowVoltageConnections................. 21

 HeatAnticipator.................................................... 22

START-UP&ADJUSTMENTS ................................... 23

 Pre-StartChecklist................................................. 23

 Start-UpProcedures.............................................. 23

 Verifying&AdjustingInputRate............................. 23

 Verifying&AdjustingTemperatureRise................. 23

 VerifyingBurnerOperation..................................... 24

 VerifyingOperationoftheSupplyAir

 LimitSwitch............................................................ 24

OPERATING SEQUENCE ......................................... 25

 HeatingCycle......................................................... 25

 CoolingCycle......................................................... 25

 FanMode............................................................... 25

MAINTENANCE ......................................................... 25

 AirFilters................................................................ 26

 BlowerCompartment.............................................. 26

 CleaningofBurners................................................ 26

 VentSystem........................................................... 26

 HeatExchanger&BurnerMaintenance................. 26

 Lubrication............................................................... 26

TROUBLESHOOTING ............................................... 27

DESCRIPTION OF COMPONENTS .......................... 27

TABLE OF CONTENTS

FIGURES & TABLES ................................................. 28

 Figure18-FurnaceDimensions.......................... 28

 WiringDiagram....................................................... 29

 Figure19-CMF95WiringDiagram...................... 29

 GasInformation...................................................... 30

 Table7-GasFlowRates..................................... 30

 Table8-GasPipeCapacities.............................. 30

 Table9-HighAltitudeDerationChartfor

 PropaneGas......................................... 31



Table10-Natural

GasHeatingValues................. 31



Table11-HighAltitudeDerationChartfor

 Nat.Gas-HighHeatingValues........... 31

 Table12-HighAltitudeDerationChartfor

 Nat.Gas-LowHeatingValues............ 31

 VentingInformation................................................ 32

 Table13-VentTerminationClearances............... 32

 Figure20-Horizontal&VerticalVenting.............. 33

INSTALLATION / PERFORMANCE CHECKLIST ..... 36

IMPORTANT SAFETY INFORMATION

Pleasereadallinstructionsbeforeservicingthisequipment.

Payattentiontoallsafetywarningsandanyotherspecial

notes highlighted in the manual. Safety markings are

usedfrequently throughoutthismanualtodesignatea

degreeorlevelofseriousnessandshouldnotbeignored.

WARNINGindicatesapotentiallyhazardoussituationthat

ifnot avoided,couldresult in personalinjuryordeath.

CAUTIONindicatesapotentiallyhazardoussituationthat

ifnotavoided,mayresultinminorormoderateinjuryor

propertydamage.

REQUIREMENTS & CODES

WARNING:

Theinformationlistedbelowmustbefollowed

duringtheinstallation,service,andoperation

of this furnace. Failure to follow safety

recommendations could result in possible

damage to the equipment, serious personal

injuryordeath.

• This furnace must be installed in accordance with

theseinstructions,allapplicablelocalbuildingcodes

andthecurrentrevisionoftheNationalFuelGasCode

(ANSIZ223.1/NFPA54)ortheNaturalGasandPropane

InstallationCode,CAN/CGAB149.1.

• Useonlywithtypeofgasapprovedforthisfurnace.

Refertothefurnaceratingplate.

• Installthisfurnaceonlyinalocationandpositionas

speciedonpage5.

• Provideadequatecombustionandventilationairtothe

furnacespaceasspeciedonpages6-10.

• Provideadequateclearancesaroundtheventairintake

terminalasspeciedinFigures1-4(pages9-10).

• Combustionproducts mustbedischarged outdoors.

Connectthisfurnacetoanapprovedventsystemonly,

asspeciedonpages7-10.

• Nevertest forgas leakswith an opename. Use a

commercially available soap solution to check all

connections.Seepages16-17.

• Thisfurnaceisdesignedtooperatewithamaximum

externalpressureriseof0.3inchesofwatercolumn.

ConsultTable5(page24)andtheratingplateforthe

propercirculatingairowandtemperaturerise.Itis

importantthattheductsystembedesignedtoprovide

thecorrectowratesandexternalpressurerise.An

improperlydesignedductsystemcanresultinnuisance

shutdowns,andcomfortornoiseissues.

• Thisfurnacemustnotbeusedfortemporaryheating

ofbuildingsorstructuresunderconstruction.

• The Commonwealth of Massachusetts requires

compliancewithregulation248CMR4.00and5.00for

installationofthrough–the–wallventedgasappliances

asfollows:

1.For direct-vent appliances, mechanical-vent heating

appliancesordomestichotwaterequipment,wherethe

bottomoftheventterminalandtheairintakeisinstalled

belowfourfeetabovegradethefollowingrequirements

mustbesatised:

a.)Acarbonmonoxide(CO)detectorandalarmshallbe

placedoneachoorlevelwheretherearebedrooms.

The detectorshall complywith NFPA 720 (2005

Edition)andbemountedinthelivingareaoutside

thebedroom(s).

b.)A(CO)detectorshallbelocatedintheroomthat

housestheapplianceorequipmentandshall:

•Bepoweredbythesameelectricalcircuitasthe

applianceorequipment.Onlyoneserviceswitch

shallpowertheapplianceandthe(CO)detector;

•Havebatteryback-uppower;

•MeetANSI/UL2034Standardsandcomplywith

NFPA720(2005Edition);andApprovedandlisted

byaNationallyRecognizedTestingLaboratoryas

recognizedunder527CMR.

c.)AProduct-approvedventterminalmustbeused,

andifapplicable,aproduct-approvedairintakemust

beused.Installationshallbeinstrictcompliance

with the manufacturer’s instructions. A copy of

the installation instructions shall remain with the

appliance or equipment at the completion of the

installation.

d.)Ametalorplasticidenticationplateshallbemounted

attheexteriorofthebuilding,4feetdirectlyabove

thelocationofventterminal.Theplateshallbeof

sufcientsize,easilyreadfromadistanceofeight

feetaway,andread“GasVentDirectlyBelow”.

2.For direct-vent appliances, mechanical vent heating

appliancesordomestichotwaterequipmentwherethe

bottomoftheventterminalandtheairintakeisinstalled

abovefourfeetabovegradethefollowingrequirements

mustbesatised:

a.)A(CO)detectorandalarmshallbeplacedoneach

oorlevelwheretherearebedrooms.Thedetector

shallcomplywithNFPA720(2005Edition)andbe

mountedinthelivingareaoutsidethebedroom(s).

b.)The(CO)detectorshall:

•Belocatedintheroomthathousestheappliance

orequipment;

•Behard-wired,batterypoweredorboth.

•ShallcomplywithNFPA720(2005Edition).

c.)A product-approvedventterminal must be used,

andifapplicable,aproduct-approvedairintakemust

beused.Installationshallbeinstrictcompliance

with the manufacturer’s instructions. A copy of

the installation instructions shall remain with the

appliance or equipment at the completion of the

installation.

Theinformationlistedbelowisforreferencepurposesonly

anddoesnotnecessarilyhavejurisdictionoverlocalorstate

codes.Alwaysconsultwithlocalauthoritiesbeforeinstalling

anygasappliance.

Combustion & Ventilation Air

• US:NationalFuelGasCode(NFGC/NFPA-54),Airfor

CombustionandVentilation

• CANADA:NaturalGasandPropaneInstallationCodes

(NSCNGPIC), Venting Systems and Air Supply for

Appliances

DuctSystems

• USandCANADA:AirConditioningContractorsAssociation

(ACCA)ManualD, SheetMetaland AirConditioning-

NationalAssociation(SMACNA),orAmericanSocietyof

Heating,Refrigeration,andAirConditioningEngineers

(ASHRAE)FundamentalsHandbook

Electrical Connections

• US:NationalElectricalCode(NEC)ANSI/NFPA70

• CANADA:CanadianElectricalCodeCSAC22.1

GasPiping&GasPipePressureTesting

• US:NFGCandNationalPlumbingCodes

• CANADA:NSCNGPIC

• AmericanNationalStandard(NFPA-54)and/orCAN/CSA

B149forallgas-redfurnacemodels.

General Installation

• US:CurrenteditionoftheNFGCandtheNFPA90B.For

copies,contacttheNationalFireProtectionAssociation

Inc.,BatterymarchPark,Quincy,MA02269;orAmerican

GasAssociation,400N.Capitol,N.W.,WashingtonDC

20001orwww.NFPA.org

• CANADA:NSCNGPIC.Foracopy,contactStandardSales,

CSA International, 178 Rexdale Boulevard, Etobicoke

(Toronto),Ontario,M9W1R3Canada

• Federal Manufactured Home Constructions & Safety

Standard(H.U.D.Title24,Part3280.707[a][2])

• AmericanNationalStandard(ANSI-119.2/NFPA-501C)

forallrecreationalvehicleinstallations.

Safety

• US:(NFGC)ANSIZ223.1/NFPA54andtheInstallation

Standards, Warm Air Heating and Air Conditioning

SystemsANSI/NFPA90B.

• CANADA: CAN/CGA-B149.1 and .2–M00 National

StandardofCanada.(NSCNGPIC)

Clearances to Combustible Materials

ThisfurnaceisDesignCertiedintheU.S.andCanada

by CSA International for the minimum clearances to

combustiblematerials.NOTE:Thefurnaceis listed for

installationoncombustibleornon-combustibleooring.

However,woodistheonlycombustibleooringallowed

forinstallation.Toobtainfurnacebasemodelnumberand

specicclearanceinformation,refertothefurnacerating

plate,locatedinsideofthefurnacecabinet.

Access for positioning and servicing the unit must be

considered when locating unit. The need to provide

clearance for access to panels or doors may require

clearancedistances over and abovethe requirements.

Allow18inchesminimumclearancefromthefrontof

theunit.However36inchesisstronglyrecommended.

SeeTable1forminimumclearancerequirements.

Table1.MinimumClearanceRequirements

INSTALLATION CLEARANCES

CLOSET ALCOVE

Front* 1" 1"

Rear 0" 0"

Sides 0" 0"

To p 6" 6"

Ductw/in3ftoffurnace 1/4" 1/4"

Vent 0” 0”

PlenumWithoutCoilBox 1" 1"

PlenumWithCoilBox 0” 0”

NOTES:

AlcoveInstallations-Allow18in.minimumclearance

fromfrontofunittonearestwallorpartitionforservicing.

Closetinstallations-Requireareturnairgrillinstalled

in the door or a partially louvered door across the

openingforproperaircirculation.Forclearances6”or

greater,theclosetmusthaveanopenfreeareaof235

minimum.Forspecialclearancesbetween1”-5”,

requirementsarealouvereddoorwithaminimumof

250in

(1613cm

)freearea.Afullylouveredclosetdoor

isstronglyrecommendedforbothinstallationtypes.

LEFT

SIDE

FRONT

RIGHT

SIDE

REAR

VENT

Theductworkshouldbeappropriatelysizedtothecapacity

of the furnace to ensure its proper airow rating. For

installationsabove2,000ft.,thefurnaceshouldhavea

sealevelinputratinglargeenoughthatitwillmeetthe

heatingloadafterderationforaltitude.

CombustionAirQuality

CAUTION:

Combustion air must not be drawn from a

corrosiveatmosphere.

To maximize heat exchanger life, the combustion air

mustbefreeofchemicalsthatcanformcorrosiveacidic

compoundsinthecombustiongases.Therequiredsource

ofcombustionairistouseoutdoorair.

Exposuretothefollowingsubstancesinthecombustion

airsupplywillresultinsafetyandperformancerelated

problems.Thelistbelowcontainsexamplesofchemical

containments found in a wide variety of common

commercialhouseholdproducts:

•Permanentwavesolutions

•Chlorinatedwaxesandcleaners

•Chlorinebasedswimmingpoolchemicals

•Watersofteningchemicals

•De-icingsaltsorchemicals

•CarbonTetrachloride

•Halogentyperefrigerants

•Cleaningsolvents(perchloroethylene)

•Printinginks,paintremovers,varnishes,etc.

•HydrochloricAcid

•Cementsandglues

•Antistaticfabricsofteners

•Masonryacidwashingmaterials

Heating Load

Thisfurnaceshouldbesizedtoprovidethedesignheating

loadrequirement.Heatingloadestimatescanbemade

usingapprovedmethodsavailablefromAirConditioning

ContractorsofAmerica(ManualJ);AmericanSocietyof

Heating,Refrigerating,andAirConditioningEngineers;

or other approved engineering methods. Excessive

oversizingofthe furnacecouldcause thefurnace

and/orventtofailprematurely.

CondensateDisposal

Themethodfordisposingofcondensatevariesaccording

tolocalcodes.Consultyourlocalcodeorauthorityhaving

jurisdiction. Neutralizer kit P/N 902377 is available for

use with thisfurnace. Pleasefollowtheinstructions

providedwiththekit.

COMBUSTION AIR & VENTING REQUIREMENTS

WARNING:

CARBON MONOXIDE POISONING HAZARD

Failure to follow the steps outlined below for

eachapplianceconnectedtotheventingsystem

beingplacedintooperationcouldresultincarbon

monoxidepoisoningordeath.Thefollowingsteps

shallbefollowedwitheachindividualappliance

connectedtotheventingsystembeingplacedin

operation,whileallotherappliancesconnectedto

theventingsystemarenotinoperation:

1.Seal any unused openings in the venting

system.

2.Inspecttheventingsystemforpropersizeand

horizontalpitch,asrequiredintheNationalFuel

GasCode,ANSIZ223.1/NFPA54ortheCSA

B149.1,NaturalGasandPropaneInstallation

Codesandtheseinstructions.Determinethat

there is no blockage or restriction, leakage,

corrosionandotherdeciencieswhichcould

causeanunsafecondition.

3.Asfaraspractical,closeallbuildingdoorsand

windowsandalldoorsbetweenthespacein

whichtheappliance(s)connectedtotheventing

system are located and otherspacesofthe

building.

4.Closereplacedampers.

5.Turn on clothes dryers and any appliance

notconnectedtotheventingsystem.Turnon

anyexhaustfans,suchas rangehoodsand

bathroomexhausts,sotheyareoperatingat

maximum speed. Do not operate a summer

exhaustfan.

6.Follow the lighting instructions. Place the

appliance being inspected into operation.

Adjustthethermostatsoapplianceisoperating

continuously.

7.Test for spillage from draft hood equipped

appliances at the draft hood relief opening

after5minutesofmainburneroperation.Use

theameofamatchorcandle.

8.Ifimproperventingisobservedduringanyof

theabovetests,theventingsystemmustbe

correctedinaccordancewiththeNationalFuel

GasCode,ANSIZ223.1/NFPA54and/orCSA

B149.1,NaturalGasandPropaneInstallation

Codes.

9.Afterithasbeendeterminedthateachappliance

connectedtotheventingsystemproperlyvents

whentestedasoutlinedabove,returndoors,

windows,exhaustfans,replacedampersand

anyothergas-redburningappliancetotheir

previousconditionsofuse.

AVERTISSEMENT:

RISQUED’EMPOISONNEMENTAU

MONOXYDE DE CARBONED

Le non-respect des consignes suivantes portant

sur chacun des appareils raccordés au système

d’évacuation mis en service pourrait entraîner

l’empoisennement au monoxyde de carbone ou

la mort. Les consignes suivantes doivent être

observéespourchaqueappareilraccordéausystème

d’évacuationmisenservicesilesautresappareils

raccordésausystèmenesontpasenservice:

1.Scellertouteouverturenonutiliséedelasystéme

d’évacuation;

2.S’assurerquelasystémed’évacuationprésente

des dimensions et une pente horizontale

conformes à la norme ANSI Z223.1/NFPA

54, intitulée National Fuel Gas Code ou aux

codes d’installation CSA-B149.1, ainsi qu’aux

présentesinstructions.S’assurerquelasystéme

d’évacuation n’est pas bloquée, restreinte,

corrodée,qu’ellenefuitpasetqu’elleneprésente

aucunautredéfautpotentiellementdangereux;

3.Danslamesuredupossible,fermertoutesles

portesetfenêtresdubâtiment,ettouteslesportes

entrelapièceoùsetrouvel’appareilraccordéà

lasystémed’évacuationetlesautrespiècesdu

bâtiment.

4.Fermerlesregistresdesfoyers;

5.Mettre en service les sécheuses et tout autre

appareil qui n’est pas raccordé à la systéme

d’évacuation.Fairefonctionneràrégimemaximal

toutventilateurd’évacuation,telqueleshottesde

cuisinièreetlesventilateursdesallesdebains.

Nepasmettreenservicelesventilateursd’été.

6.Respecterlesinstructionsd’allumage.Mettreen

servicel’appareilàl’essai.Réglerlethermostat

demanièreàcequel’appareilfonctionnesans

interruption;

7.Vérifier s’il y a débordement à l’orifice

d’évacuationducoupetiragedesappareilsdotés

d’un coupe tirage 5 minutes après l’allumage

du brûleur principal. Utiliser la amme d’une

allumetteoud’unechandelle.

8.Si l’on constate, au cours de l’un des essais

quiprécèdent, quel’évacuationest déciente,

corrigerlesystèmed’évacuationconformément

àla normANSIZ223.1/NFPA 54, NationalFuel

GasCode,et(ou)auxcodesd’installationCSA

B149.1.

9.Après avoir déterminé que tous les appareils

raccordésàlasystémed’évacuationévacuent

correctement tel que prescrit ci-dessus,

rouvrirlesportesetlesfenêtresetremettreles

ventilateursd’évacuation,lesregistresdefoyers

ettoutautreappareilfonctionnantaugazàleur

étatdefonctionnementinitial.

Direct Vent Installation

Thiscondensingfurnaceiscertiedforinstallationasa

DirectVent(2-pipe)appliance.DirectVent(2-pipe)furnaces

drawcombustionairdirectlyfromtheoutdoorsandthen

ventthecombustionproductsbackoutside,isolatingthe

entiresystemfromtheindoorspace.Itisimportanttomake

surethatthewholesystemissealedandclearancesto

combustiblesaremaintainedregardlessoftheinstallation

being in a conned or unconned space.This section

speciesinstallationrequirementsforDirectVent(2-pipe)

piping.Table2(page8)containsthelengthofventand

combustionairpipingforthistypeofinstallation.

Provisionsmustbemadeduringtheinstallationofthis

furnacethatprovideanadequatesupplyoffreshairfor

combustionandventilation.Thecombustionairfromthe

outsideneedstobeclearofchemicalsthatcancause

corrosion. The inlet pipe should not be placed near

corrosivechemicalssuchasthoselistedonpage5.

Airopeningsontopofthefurnaceandopeningsincloset

doorsorwallsmustneverberestricted.Ifthefurnaceis

operatedwithoutadequateairforcombustion,theame

roll-outswitchwillopen,turningoffthegassupplytothe

burners.NOTE:Thissafetydeviceisamanuallyreset

switch. DO NOT install jumper wires across these

switchesto defeattheir function orreset a switch

withoutidentifyingandcorrectingthefaultcondition.I f 

aswitchmustbereplaced,useonlythecorrectsizedpart

speciedintheReplacementPartsListprovidedonline.

VentPipeLength&Diameter

Forproperfurnaceoperation,thecombustionairandvent

pipingmustnotbeexcessivelyrestrictive.

• Theventingsystemshouldbedesignedtohavethe

minimumnumberofelbowsorturns.

• Allhorizontalrunsmustslopeupwardsfromthefurnace

at1/4inchminimumperrunningfootofvent.

• Transitiontothenalventdiametershouldbedoneas

closetothefurnaceoutletaspractical.

• Alwaysusethesamesizeoralargerpipeforcombustion

airthatisusedfortheexhaustvent.

Table2(page8)indicatesthemaximumallowablepipe

lengthforafurnaceofknowninputrate,wheninstalled

withpipingofselecteddiameterandnumberofelbows.To

usethetable,thefurnaceinputrate,thecenterlinelength

andthenumberofelbowsoneachpipemustbeknown.

Whenestimatingthelengthofventruns,consideration

mustbemadetotheeffectofelbowsandotherttings.

Thisisconvenientlyhandledusingtheideaof“equivalent

length”.Thismeansthettingsareassignedalinearlength

thataccountsforthepressuredroptheywillcause.For

example:a3”diameter,longradiuselbowisworththe

equivalentof3.5feetoflinearrun.

Theequivalentlenghtsofteesandvariouselbowsare

listedinTable2.Measurethelinearlengthofyourventrun

andthenaddintheequivalentlengthofeachtting.The

ImportantInformation

WARNING:

Furnaceinstallationusingmethodsotherthan

thosedescribedinthefollowingsectionsmust

complywiththeNationalFuelGasCode(NFGC)

andallapplicablelocalcodes.

WARNING:

Upon completion of the furnace installation,

carefullyinspectthe entire uesystemboth

insideandoutsidethefurnacetoassureitis

properlysealed.Leaksintheuesystemcan

resultinseriouspersonalinjuryordeathdue

toexposureofueproducts,includingcarbon

monoxide.

WARNING:

This furnace must not be vented with other

appliances, even if that appliance is of the

condensingtype.Thisincludeswaterheaters

ofanyefciency.Commonventingcanresult

inseverecorrosionofotherappliancesortheir

venting and can allow combustion gases to

escapethroughsuchappliancesorvents.Do

notventthefurnacetoareplacechimneyor

buildingchase.

• This furnace must be vented in compliance with

the current revision of the National Fuel Gas Code

(ANSI-Z223.1/NFPA54). Instructions for determining

the adequacy of combustion air for an installation

can be found in the current revision of the NFGC

(ANSI Z223.1 / NFPA54). Consultlocalcodes for

special requirements. These requirements are for

USinstallationsasfoundintheNFGC.

• TherequirementsinCanada(B149.1)arestructured

differently. In Canada, venting shall conform to the

requirementsofthecurrent(CAN/CGAB149.1or.2)

installationcodes.Consultlocalcodesforspecial

requirements.

CategoryIVAppliances

Thisfurnaceisclassiedasa“CategoryIV”appliance,

whichrequiresspecialventingmaterialsandinstallation

procedures.CategoryIVappliancesoperatewithpositive

ventpressureandrequiresthoroughlysealedventsystems.

Theyalso produce liquidcondensate, which isslightly

acidicandcancauseseverecorrosionofordinaryventing

materials.Furnaceoperationcanbeadverselyaffected

byrestrictiveventandcombustionairpiping.

• Thequalityofoutdoorairmustalsobeconsidered.Be

surethatthecombustionairintakeisnotlocatedneara

sourceofsolventfumesorotherchemicalswhichcan

cause corrosion of the furnace combustion system.

(Seepage5forasamplelistofsubstances).

• Routepipingasdirectaspossiblebetweenthefurnace

and the outdoors. Longer vent runs require larger

diameters.Ventpipingmustbeslopedupwards1/4”

perfootinthedirectionfromthefurnacetotheterminal.

Thisensuresthatanycondensateowsbacktothe

condensatedisposalsystem.

• When a Direct Vent (2-pipe) system is used, the

combustionairintakeandtheventexhaustmustbe

locatedinthesameatmosphericpressurezone.This

meansbothpipesmustexitthebuildingthroughthe

sameportionofexteriorwallorroofasshowninFigure

20,page33.

• Piping must be mechanically supported so that its

weightdoesnotbearonthefurnace.Pipe supports

mustbeinstalledaminimumofevery5feetalongthe

ventruntoensurenodisplacementafterinstallation.

Supportsmaybeatshorterintervalsifnecessaryto

ensurethattherearenosaggingsectionsthatcantrap

condensate. It is recommended to install couplings

alongtheventpipe,oneithersideoftheexteriorwall

(Figure20).Thesecouplingsmayberequiredbylocal

code.

• Ifbreakableconnectionsarerequiredinthecombustion

airinletpipe(ifpresent)andexhaustventpiping,then

straight neoprene couplings for 2” or 3” piping with

hose clamps can be used.These couplings can be

orderedthroughyourlocalfurnacedistributor.Toinstall

acoupling:

1. Slidetherubbercouplingovertheendofthepipe

thatisattachedtothefurnaceandsecureitwith

oneofthehoseclamps.

2. Slidetheotherendoftherubbercouplingontothe

otherpipefromthevent.

3. Securethecouplingwiththesecondhoseclamp,

ensuringthattheconnectionistightandleakfree.

OutdoorTerminations-HorizontalVenting

• Ventandcombustionairintaketerminationsshallbe

installedasshowninFigures1&2(page9)andin

accordancewiththeseinstructions:

• Ventterminationclearancesmustbeconsistentwiththe

NFGC,ANSI2223.1/NFPA54and/ortheCSAB149.1,

NaturalGasandPropaneInstallationCode.Table12

(page32)liststhenecessarydistancesfromthevent

terminationtowindowsandbuildingairintakes.

• Vent and combustion air intake terminations must

be located to ensure proper furnace operation and

conformance to applicable codes. A vent terminal

mustbelocatedatleast3feetaboveanyforcedair

inletlocatedwithin10feet.Thisdoesnotapplytothe

combustionairinletofadirectvent(twopipe)appliance.

InCanada,CSAB149.1takesprecedenceoverthese

instructions.SeeTable12(page32).

totallength,includingtheequivalentttinglengths,must

belessthanthemaximumlengthspeciedinthetable.

Condensingfurnacecombustionproductshaveverylittle

buoyancy,soTable2istobeusedwithoutconsideration

ofanyverticalriseinthepiping.

VentPipeMaterial

Ventandcombustionairpipeandttingsmustbeoneof

thefollowingmaterialsinthelistandmustconformtothe

indicatedANSI/ASTMstandards.Cementmustconform

toASTMStandardD2564forPVCandStandardD2235

forABS.PVCprimermustmeetstandardASTMF656.

WhenjoiningPVCpipingtoABS,usePVCsolventcement.

(SeeprocedurespeciedinASTMStandardD3138).

In Canada, all plastic vent pipes and ttings including

anycement,cleaners,orprimersmustbecertiedasa

systemtoULCS636.Howeverthisrequirementdoesnot

applytopipinginternaltothefurnace.

Materials Standards

SCHEDULE40PVC............................................... D1785

PVC-DWV.............................................................. D2665

SDR-21&SDR-26................................................. D2241

ABS-DWV.............................................................. D2661

SCHEDULE40ABS.............................................. F628

FOAM/CELLULARCOREPVC........................... F891

VentPipeInstallation

CAUTION:

Combustion air must not be drawn from a

corrosiveatmosphere.

Thisfurnacehasbeencertiedforinstallationwithzero

clearancebetweenventpipingandcombustiblesurfaces.

However,itisgoodpracticetoallowspaceforconvenience

ininstallationandservice.

• In the absence of local codes, the location of any

combustionairinletrelativetoanyventterminalmust

beatleast8inches.Thisincludesinstallationsinvolving

morethanonefurnace.

MaximumDirectVent,DualPipeLength(FT.)

CMF95 INPUTS

(BTU)

INLET / OUTLET

2” Diameter

INLET / OUTLET

3” Diameter

45,000 30 60

72,000 30 60

†

NOTES:

1. Subtract2.5ft.foreachadditional2inchlongradiuselbow,subtract

5ftforeachadditional2”shortradiiouselbow,subtract3.5ft.for

eachadditional3inchlongradiuselbow,and7ft.foreachadditional

3inchshortradiuselbow.

2. Two45degreeelbowsareequivalenttoone90degreeelbow.

3. Thistableappliesforelevationsfromsealevelto2,000ft.Forhigher

elevations,decreasepipelengthsby8%per1,000ftofaltitude.

Table2.VentPipeLengths

• Allminimumclearances(Figure2)mustbemaintained

toprotectbuildingmaterialsfromdegradationbyue

gases.

• For optimal performance, vent the furnace through

awallthatexperiencestheleast exposuretowinter

winds.

• The vent termination shall be located at least 3 ft.

horizontallyfromanyelectricmeter,gasmeter,regulator

andanyreliefequipment.ThesedistancesapplyONLY

to U.S. installations. In Canada, CSA B149.1 takes

precedenceovertheseinstructions.

• Donotinstalltheventterminalsuchthatexhaustis

directed into window wells, stairwells, under decks

orintoalcovesorsimilarrecessedareas,anddonot

terminateaboveanypublicwalkways.

• Ifventinghorizontally,sidewallventkitsareavailable

accordingtothepipediametersizeoftheinstallation.

For3inchpipeusekit#904347.Faceplatekit#902375

isalsoavailablefor3inchhorizontalventing.Please

followtheinstructionsprovidedwiththekits.

• Concentricventterminationkitsareavailableforuse

withthesefurnaces.For3inchpipeusekit#904953.

Pleasefollowtheinstructionsprovidedwiththekit.

• Whentheventpipemustexitanexteriorwallcloseto

thegradeorexpectedsnowlevelwhereitisnotpossible

toobtainclearancesshowninFigure1,arisermaybe

providedasshowninFigure3.Insulationisrequired

topreventfreezingofthissectionofpipe.SeeTable3

(page10)forventfreezingprotection.

OutdoorTerminations-VerticalVenting

Terminationspacingrequirementsfromtheroofandfrom

eachotherareshowninFigure4.Theroofpenetration

mustbeproperlyashedandwaterproofedwithaplumbing

roofbootorequivalentashing.Ventandcombustionair

pipingmaybeinstalledinanexistingchimneywhichis

notinuseprovidedthat:

• Boththeexhaustventandairintakerunthelengthof

thechimney.

• Thetopofthechimneyissealedandweatherproofed.

• The termination clearances shown in Figure 4 are

maintained.

• Noothergasredorfuel-burningequipmentisvented

throughthechimney.

12” min. to maximum

expected snow level

(both pipes)

90° Elbow

Exhaust vent

option B

Exhaust vent

option A

Mounting kit faceplate

secured to wall with screws

(both pipes)

Combustion

air inlet

Exhaust vent

option C

18” Min.

36” Max.

8” Min.

36” Max.

(all positions)

Figure1.Inlet&ExhaustPipeClearances

Note 2

Mechanical draft

vent terminal

Direct vent

terminal

50,000 Btuh

or less

Forced air inlet

Direct vent

terminal - more

than 50,000 Btuh

Mechanical

draft vent

terminal

Mechanical

draft vent

terminal

Less

than

10 ft.

3 ft.

NOTES:

1. All dimensions shown are

minimum requirements.

2. Exterior vent terminations must

be located at least 12” above the

maximum expected snow level.

Note 2

4 ft

12 in.

9 in.

Note 2

Figure 2. Vent Locations

Support

NOTE: Vent Configuration to Provide

12" Minimum height above Snow Level.

1/2"

Armaflex

Insulation or

Equivalent

(if required)

12" Above

Maximum

Expected

Snow Level

19" Max.

(See Note)

Outside

Wall

Figure 3. Alternate Horizontal Vent Installation

Figure4.VerticalVentTermination

Combustion Air

Exhaust Vent

12” Above Maximum

Expected Snow Level

(Both pipes)

Elbows on the combustion air

inlet must be positioned pointing

away from the exhaust vent.

8" Min.

36" Max.

Plumbing Vent Roof Boot

(Both Pipes)

ExistingInstallations

Whenanexistingfurnaceisremovedfromaventsystem

servingotherappliances,theexistingventsystemmay

notbesizedproperlytoventtheremainingappliances

(Forexample:waterheater).Animproperlysizedventing

systemcanresultintheformationofcondensate,leakage,

orspillage.Theexistingventsystemshouldbechecked

tomakesureitisin compliance with NFGC and must

bebroughtintocompliancebeforeinstallingthefurnace.

NOTE: Ifreplacinganexistingfurnace,itispossibleyouwill

encounteranexistingplasticventingsystemthatissubject

toaConsumerProductSafetyCommissionrecall.The

pipesinvolvedintherecallareHighTemperaturePlastic

Vent(HTPV).Ifyourventingsystemcontainsthese

pipesDONOTreusethisventingsystem!Thisrecall

doesnotapplytootherplasticventpipes,suchaswhite

PVCorCPVC.CheckfordetailsontheCPSCwebsiteor

calltheirtoll-freenumber(800)758-3688.

VentilaireIIIorIVAirQualityPackage

(Accessory)

TheVentilaireairqualitypackagesareavailabletomeet

theventilationrequirementsasoutlinedinH.U.D.Standard

Part3280.103(b)(2).Thesepackagesintroduceoutdoor

airintothelivingspaceduringfurnacebloweroperation.

TheVentilAireIValsoservestoexhaustmoistand/orhot

airfromtheatticspace.SeeFigure5fortypicalinstallation.

Completeinstallationinstructionsaresuppliedwitheach

airqualitypackage.

VentilAireIII

VentilAireIV

Figure 5. VentilAire III & IV

VentFreezingProtection

CAUTION:

Whentheventpipeisexposedtotemperatures

below freezing (i.e., when it passes through

unheated spaces, chimneys, etc.) the pipe

mustbeinsulatedwith1/2inchthicksponge

rubberinsulation,Armaex-typeinsulationor

equivalent.Insulatingpipeisimportanttoavoid

condensate icing.

• Table3liststhemaximumlengthofuepipethatcan

travelthroughanunconditionedspaceoranexterior

space. The total vent length must not exceed the

lengthsnotedintheTable.ForCanadianinstallations,

pleaserefertotheCanadianInstallationCode(CAN/

CGA-B149.1or2)and/orlocalcodes.

• Forextremelycoldclimatesorforconditionsofshort

furnace cycles (i.e. set back thermostat conditions)

thelast18inchesofventpipecanbereduced.Itis

acceptabletoreducefrom3”to2-1/2”or,3”to2”ifthe

totalventlengthisatleast15feetinlength,andthe

ventlengthiswithintheparametersspeciedinTable

2 (page 8).The restriction should be counted as 3

equivalentfeet.Smallerventpipesarelesssusceptible

tofreezing,butmustnotbeexcessivelyrestrictive..

• To prevent debris or creatures from entering the

combustionsystem,aprotectivescreenmaybeinstalled

overthecombustionairintakeopening.Thescreens

holesizemustbelargeenoughtopreventairrestriction.

Winter Design

Temperature

MaximumFluePipeLength(FEET)

inUnconditioned&ExteriorSpaces

WithoutInsulation WithInsulation*

20 45 70

0 20 70

-20 10 60

*NOTE:Insulationthicknessgreaterthan3/8inch,basedonan

Rvalueof3.5(ftxFxhr)/(BTUxin.)

Table 3. Vent Protection

CIRCULATING AIR REQUIREMENTS

WARNING:

Donotallowcombustionproductstoenterthe

circulating air supply. Failure to prevent the

circulation of combustion products into the

livingspacecancreatepotentiallyhazardous

conditions including carbon monoxide

poisoningthatcouldresultinpersonalinjury

ordeath.

Allsupplyductsmustbesecuredtothefurnace

withsheetmetalscrewsandadequatelysealed.

Whensupplyairisprovidedthroughthebottom

oftheunit,thejointbetweenthefurnaceand

theplenummustbeairtight.

Thesurfacethatthefurnaceismountedonmust

providesoundphysicalsupportofthefurnace

withnogaps,cracksorsaggingbetweenthe

furnaceandtheoororplatform.

Supply air ducts must not be connected to

any other heat producing device such as a

replaceinsert,stove,etc.Thismayresultin

re, explosion, carbon monoxide poisoning,

personalinjury,orpropertydamage.

Plenums & Air Ducts

Thisunitisdesignedonlyforusewithabottomsupply

duct and must be installed in accordance with the

standards of the National Fire Protection Association

Standard for Installation of Air Conditioning Systems

(NFPA90A),StandardforInstallationofResidenceType

WarmAirHeatingandAirConditioningSystems(NFPA

90B),andallapplicablelocalcodes.NFPApublications

are available by writing to: National Fire Protection

Association,BatterymarchPark,Quincy,ME02269orvisit

www.NFPA.orgontheweb.

• Designtheairductsaccordingtomethodsdescribed

bytheAirConditioningContractorsofAmerica(ACCA).

• Air ducts must be aluminum, tin plate, galvanized

sheetsteel,orotherapprovedmaterialsforoutletor

returnairducts.Snap-LockorPittsburgh-Lockseams

arepreferred.Allothertypesofseamsmustbemade

tighttopreventleakage.

• Itisgoodpracticetosealallconnectionsandjoints

with industrial grade sealing tape or liquid sealant.

Requirements for sealing ducts vary from region to

region. Consult with local codes for requirements

specictoyourarea.

• Gaspipingmustnotruninorthroughanyoftheair

ductsystem.

SupplyAirConnections

• Thesupplyductsystemmustbedesignedsothatthe

staticpressuremeasuredexternaltothefurnacedoes

not exceed the listed static pressure shown on the

furnaceratingplate.Thesupplyairmustbedelivered

totheheatedspacebyduct(s)securedtothefurnace

casing,runningfulllengthandwithoutinterruption.

• Duct system must be designed so that no supply

registersarelocatedinductsystemdirectlybelowthe

furnace.

Dampers

Anautomatedshutoffdamperisrequiredwhenthehome

is air conditioned by a self-contained unit. A damper

is required to prevent chilled air from owing over the

furnaceheatexchanger.Thisdamperisdesignedtot

inthefeederductcavity,directlyunderthefurnace.For

properinstallation,refertotheinstructionsprovidedwith

thedamper.Seereplacementpartslistprovidedonline.

UnconditionedSpaces

Allductworkpassingthroughunconditionedspacemust

beproperlyinsulatedtominimizeductlossesandprevent

condensation.Useinsulationwithanoutervaporbarrier.

Refertolocalcodesforinsulationmaterialrequirements

Closet Installations

WARNING:

Failure to comply with the the following

instructionsmayresultinre,asphyxiationor

carbonmonoxidepoisoning.

For proper air circulation, closet installations require

a return air grill installed in the door or side wall that

exchangeswiththelivingareaofthehomeasshownin

Figure6.Apartiallylouvereddoormayalsobeusedacross

theopening.Returnairopeningsshouldnotbelocatedto

drawairdirectlyfromabathroom.Grillesplacedinaside

Figure 6. Closet Installation

wallrequirea6”clearancefromthewalltothefurnace

sothattheairmayenterthefrontgrilleofthefurnace.

Inaddition,allreturnairsystems,includingtheoorand

ceilingsystems,mustmeetthefollowingconditions:

• Thereturnairopening,regardlessofitslocationinthe

closet,mustnotbesmallerthansizespeciedonunit

datalabel.Iflocatedintheoor,theopeningmustbe

providedwith a means of preventing its inadvertent

closurebyatobject(s)placedovertheopening.

• Thereturn-airopeningintothecloset,regardlessofits

location,musthaveanopenfreeareaof200in

(1290

)minimum.

• Thecross-sectionalareaofthereturnductsystem(in

oororceiling)leadingintotheclosetmustnotbeless

than200in

(1290cm

).

• Thetotalfreeareaoftheopeningsintheoororthe

ceilingregistersservingthereturnairductsystemmust

notbenotlessthan300in

(1935cm

).

• Materialslocatedinthereturnductsystemshallhave

aamespreadclassicationof200orless.

• Noncombustiblepanshavingoneinchupturnedanges

are located beneath openings in a oor return duct

system.

• Hollow spaces used as ducts or plenums for

environmentalairmaycontainmineral-insulatedmetal

sheathedcable,aluminumsheathedcable,electrical

metallic tubing, rigid metal conduit, exible metal

conduit(nottoexceed4ft),ormetal-cladcables.Wiring

materials,xtures,aretobesuitablefortheexpected

ambienttemperaturestowhichtheywillbesubjected.

• Thenegativepressureintheclosetmustnotbeless

thanminus0.05incheswatercolumnwiththecloset

door closed and the fan operating at high speed.A

readingbelowminus0.05”indicatesadirtylterora

restrictedreturnairsystem.

• For oor return systems, the manufactured housing

manufacturer or installer shall afx a prominent

marking on or near the appliance where it is easily

readwhentheclosetdoorisopen.Themarkingshall

read:“CAUTION,HAZARDOFASPHYXIATION.DO

NOTCOVERORRESTRICTFLOORRETURNAIR

OPENING.”orequivalent.

• Forclosetinstallationwithlessthan6”frontclearance,

butnot less than 1”, a louvereddoor must be used

havingaminimum200in

(1290cm

)freeareaopening

directlyinlinewithopeningsinthefurnacedoor.Afully

louvereddoorhavingtheminimumfreeareaisalso

permittedifthefronttoleranceisnotlessthan4”.

Furnace Filter

WARNING:

Neveroperate the furnace without a lter in

place.Accumulatingdustinthereturnaircan

build up on internal components, resulting

inlossofefciency,equipmentdamage,and

possiblere.

• CMF95furnacesare supplied with a single air lter

whenshippedfromthefactory.Accessingthelterdoes

notrequiretoolsandcanbeeasilyremovedfromthe

insideoftheaccessdoor.Thelterissecuredtothe

doorwitharetainingbracket.Itisrecommendedthat

thelterbecleanedorreplacedmonthly.Newlybuiltor

recentlyrenovatedhomesmayrequiremorefrequent

changinguntiltheconstructiondusthasminimized.

• Replacementltersareavailableatmostlocalretailers.

Inspectltersfrequentlyandreplacewhennecessary

withlterofsamedimensionalsize.Filtersdesignedto

removesmallerparticlessuchaspollen,mayrequire

additionalmaintenance.

Acoustical Treatments

Damping ducts, exible vibration isolators, or pleated

media-styleltersonthereturnairinletof thefurnace

maybeusedtoreducethetransmissionofequipment

noiseeminatingfromthefurnace.Thesetreatmentscan

produceaquieterinstallation,particularlyintheheated

space.However,theycanincreasethepressuredropin

theductsystem.Caremustbetakentomaintaintheproper

maximumpressureriseacrossthefurnace,temperature

riseandowrate.Thismaymeanincreasingtheductsize

and/orreducingtheblowerspeed.Thesetreatmentsmust

beconstructedandinstalledinaccordancewithNFPAand

SMACNAconstructionstandards.Consultwithlocalcodes

forspecial requirements. Forbestsoundperformance,

install all the needed gaskets and grommets around

penetrationsintothefurnace,suchasforelectricalwiring.

MA-200BaseInstallation

TheMA-200baseisdesignedforO.E.M.andreplacement

installationoftheCMF95seriesfurnace.Thewarmairduct

systemshouldbedesignedsotheductstaticpressure

externaltothefurnacedoesnotexceedthestaticpressure

listedonthefurnacedatalabel.Floorcut-outsmustbe

carefully located to avoid misalignment of the furnace

andairduct.

1.Usingthebasepan(Figure7)asaguide,locateand

markthe121/8”x121/8”openingfortheFeederDuct.

2.Cutall4sidesofthe FeederDuctopening1”larger

thanthedrawncutout.NOTE:Cuttingtheopeningto

14-1/8”x14-1/8”willallowtheangesontheunderside

ofthebasepantotintheopening.

3.Drilla1”diameterholeforthegaslinethroughtheoor

andbottomboardtotheoutside.NOTE:Fuellinesare

notsuppliedwiththefurnace.Theyshouldbeinstalled

tocomplywithallapplicablecodes.

4.Droptransitionduct(Figure8)upsidedownthroughthe

ooropeningandcenterthetopofthefeederductin

14-1/8”x14-1/8”ooropening.Usingthefeederduct

asaguide,markandcuta12”x12”openinginthe

supplyduct.

5.Insertthefeedertabsintothemainductandbendthem

overtightlysothatthemainductedgesaretrapped

betweenangesandtabs.NOTE:Metaltapemaybe

beusedtoensureanairtightconnection.

6.Installthebasepanaroundthefeederduct.Securewith

2screwsintheholesneartherearofthebasepan.

7.Slitthecornersofthefeederductdowntothetopof

thebasepan(Figure9).Whilethetopofthedistribution

ductispulledupwithonehand,benddowneachsideof

thefeederducttightlytothebasewiththeotherhand.

Trimthemetaltoallowaoneinchangeoverthetop

ofthebasepanandsealthatangewithmetaltape.

NOTE:Ifusinga“V”or“U”-boxcrossoversystem,use

manufacturersinstructionsforinstallationdetails.

InstallingtheFurnaceonanMA-200Base

1.Carefullyliftthefurnaceoverthebasepanandsetinto

position.Theangeonthebackofthefurnaceshould

restontheinsiderailsofthebase.NOTE:Installation

onaMA-200 base mayrequire removalof thefront

portionoftherails.

2.Raisethefrontofthefurnacetoclearthegasketonthe

bottomofthefurnaceandslidethebackuntiltherear

angedropsintothechannelattherearofthebase.

Makesurethefurnaceengagesthetabsontherear

angeofthebase.

3.Opentheaccessdoorandfastenthefrontofthefurnace

andthe base to theoorwith#8x 1/2”sheetmetal

screws.

FURNACE INSTALLATION

NOTE: Sinceallinstallationsaredifferent,thesequenceof

thesestepsmaydifferfromtheactualinstallation.These

installationproceduresaresuggestedfortypicalfurnace

installations.OnlyqualiedHVACtechniciansshould

installthisfurnace.

GeneralInformation

TheCMF95furnaceisdesignedonlyforindoorinstallations

and can be readily connected to the high static duct

systemofahome.Unitsareapprovedforsingle/multistory

residentialormobile/modular/manufacturedstructuresin

freestanding/closet/alcovedownowonlycongurations.

This appliance will provide many years of safe and

dependable comfort, providing it is properly installed

andmaintained.Abuse,improperuse,and/orimproper

maintenancecanshortenthelifeoftheappliance and

createunsafehazards.Pleasereadallinstructionsbefore

installingtheunit.

Approved installation, operation, and maintenance of

this appliance must be in accordance with the listed

specicationscontainedintheseinstructionsandother

documentssuppliedwiththefurnaceand/oroptionalair

conditioningequipment.Unlessitisnoteddifferentlyinthis

manual,onlyusefactoryauthorizedkitsandaccessories

whenmodifyingthisappliance.Refertolocalauthorities

havingjurisdictionforfurtherinformation.

BeforeYouInstallthisFurnace

√ Thisequipmentis securely packagedatthe time of

shipmentanduponarrivalshouldbecarefullyinspected

fordamagepriortoinstallingtheequipmentatthejob

site.Claimsfordamage(apparentorconcealed)should

beledimmediatelywiththecarrier.

√ Checktheelectricalsupplyandverifythepowersupply

isadequateforunitoperation.Thesystemmustbewired

andprovidedwithcircuitprotectioninaccordancewith

localbuildingcodes.Ifthereisanyquestionconcerning

thepowersupply,contactthelocalpowercompany.

√ Verify the air delivery of the furnace is adequate to

handlethestaticpressuredropofthecoil,lter,and

ductwork.

LocatingtheUnit

• Surveythejobsitetodeterminethebestlocationfor

installing the unit. Consideration should be givento

availabilityofelectricpower,serviceaccess,andnoise.

• Thedimensionsoftheroomoralcovemustbeable

toaccommodatetheoverallsizeoftheunitandthe

installation clearances inTable 1 (page 5). Physical

dimensions forthis furnace are shownin Figure 17

(page28).

• Theunitmustbeleveledatinstallationandattached

toaproperlyinstalledductsystem.

• Thesurfacethatthefurnaceismountedonmustprovide

soundphysicalsupportoftheunit.

MA-100UniversalBaseInstallation

TheMA-100baseisdesignedprimarilyforreplacement

installation of the CMF95 series furnace where the

manufactured home duct system may be too small or

restrictiveforproperairow.TheMA-100baseprovides

approximately4inchesofadditionalplenumspacebefore

thedischargeairenterstheductsystem.SeeFigure10.

1.Usingtheuniversalbaseasaguide,locateandmark

the12-1/8”x12-1/8”openingfortheFeederDuct.

2.Cutall4sidesoftheFeederDuctopening1”largerthan

thedrawncutout.NOTE:Cuttingtheopeningto14-1/8”

x14-1/8”willallowthefourangesontheundersideof

thepaneltotintotheopening.

3.Drilla1”diameterholeforthegaslinethroughtheoor

andbottomboardtotheoutside.NOTE:Fuellinesare

notsuppliedwiththefurnace.Theyshouldbeinstalled

tocomplywithallapplicablecodes.

4.Settheuniversalbaseinplace.Droptransitionoroffset

feederduct(Figure8)upsidedownthroughtheoor

openingandcenterthetopofthefeederductin14-1/8”

x14-1/8”ooropening.

5.Usingthefeederductasaguide,markandcuta12”x

12”openinginthesupplyduct.Removethebaseand

transition feeder duct; then cut the opening into the

distributionduct.

6.Insert the feeder tabs into the main duct and bend

themoveruntilthemainductedgesaretrappedtightly

betweenangesandtabs.NOTE:Metaltapemaybe

usedtoensureanairtightconnection.

7.Setthe bottombasepaneloverthe feederduct. Slit

thecornersofthefeederductdowntothetopofthe

base.Whilethetopofthedistributionductispulledup

withonehand,benddowneachsideofthefeederduct

Figure10.MA-100UniversalBase,BottomPanel

12 1/8

Feeder Duct

Opening

18 1/4

24 1/2

12 1/8

FRONT

Combustion Air

Knock-outs

(7-1/4” X 2-1/4”)

Figure7.MA-200BasePan

FRONT

Feeder Duct

Opening

Flue

Location

24 1/8

8 3/8

12 1/8

9 1/8

18 1/4

Figure 8. Transition Duct

Heater Duct Below Joists

Flange

Bend

Over Tabs

Base

Floor

Joists

Slit 4 Corners

Bend Down 4 Sides

TRANSITION

DUCT

Figure 9. Feeder Duct Installation

Heat Duct Below Joists

Base

Feeder Duct

Floor

Joists

Cut This Line

Bend Over

Along This Line

tightlytothebasewiththeotherhand.Trimthemetal

toallowoneinchangeoverthetopofthebaseand

sealthatangewithmetaltape.

8.Securethetoppaneltotheoorwith2screwsthrough

thefrontange.NOTE:Ifusinga“V”or“U”-boxcrossover

system,usemanufacturersinstructionsforinstallation

details.

InstallingtheFurnaceonanMA-100Base

1.Carefullyliftthefurnaceovertheuniversalbasepan

andsetintoposition.Avoiddamagingthefeederduct

assembly.NOTE: Makesurethefurnaceispositioned

againstthebackendofthebase.

2.Openthefurnacedoorandfastenthefurnacetothe

baseusing#8x1/2”sheetmetalscrews.

Condensate Drainage

WARNING:

Thecondensateproducedbythefurnacemust

bedrained.Donotconnectawatersupplyto

thedrainagehoseofthefurnace.

Figure 11. Condensate Drainage

J-Trap

Drain Pipe Routed

thru Slot in Cabinet

To External Drain

Inline Drain

Assembly

Collector

Box Drain

Collector

Box Drain

CAUTION:

Donotinstalladditionaltrapsinthecondensate

drain.

• If the furnace is installed in an area where

temperaturesfallbelowfreezing,specialprecautions

mustbemadeforinsulatingcondensatedrainlines

thatdraintotheoutdoors.Ifcondensatefreezes

inthelines,thiswillcauseimproperoperationor

damage to the furnace. It is recommended that

alldrainlinesontheoutsideoftheresidencebe

wrappedwithanindustryapprovedinsulationor

materialallowedbylocalcode.

• Beforeroutingthedraintubeoutofthefurnace,loosen

thetubeclampandturnthetubesothepreset90°turn

facestheintendeddirectionofexitfromthecabinet.Do

notroutethedraintubewithoutrotatingthetuberst.

Thiswillkinkthetubeandpreventcondensatefrom

draining.

• Careshouldbetakentoroutethedrainlineawayfrom

theburnerbox.Drainlinesrestingontheburnerbox

canbecomekinkedorcollapsedduetotheheatfrom

theburnerbox.

• Thecondensatedrainmayexitthroughtheleftorright

slotsinthebottomofthefurnace(Figure11).Makesure

theexibledrainhoseisnotkinked.

• Thecondensateshoulddrainfromtheplasticcollector

boxas droplets or a small stream.If younotice the

furnacehasoperatedformorethan5minuteswithout

drainingorthestatuslightsonthecontrolboardindicates

anopenpressureswitch(Table6,page27)followthe

stepsbelow.

1.Removethecollectorboxsofttube(Figure11)and

verifytheexitfromthecollectorboxisclearofany

debrisorobstructions.

2.Replacethistubeandverifythettotheheaderspout

isairtight.Airwillbedrawnintotheheaderifthis

connectionisnottight.

3.Checkothertubeconnectionsalongthedrainsystem.

Verifythatallareairtight.

• Allgaspipingmustbeinstalledincompliancewith

localcodesandutilityregulations.Intheabsence

oflocalcodesthegaslineinstallationmustcomply

withthelatesteditionoftheFederalManufactured

HomeConstructions&SafetyStandard(H.U.D.Title

24,Part 3280.707[a][2]),National Fuel Gas Code

(ANSIZ223.1/NFPA54)or(CAN/CGAB149.1or.2)

Installation Codes.

• Some local regulations require the installation

ofamanualmainshut-offvalveandgroundjoint

unionexternaltothefurnaceasshowninFigure12

(page 17).The shut-off valve should be readily

accessible for service and/or emergency use.

Consultthelocalutilityorgassupplierforadditional

requirementsregardingplacementofthemanual

maingasshut-off.

• Gaspipingmustneverruninorthroughairducts,

chimneys,gasvents,orelevatorshafts.

• Compoundsusedonthreadedjointsofgaspiping

mustberesistanttotheactionsofLPpropanegas.

• Themaingasvalveandmainpowerdisconnectto

thefurnacemustbeproperlylabeledbytheinstaller

incaseemergencyshutdownisrequired.

• Flexiblegasconnectorsarenotrecommendedfor

thistypeoffurnacebutmaybeusedifallowedby

local jurisdiction. Only new exible connectors

maybeused.Donotuseaconnectorwhichhas

previouslyservicedanothergasappliance.

• Adriplegshouldbeinstalledintheverticalpipe

runtotheunitifnotenteringthefurnacethrough

theoor.

Table8(page30)listsgasowcapacitiesforstandard

pipesizesasafunctionoflengthintypicalapplications

basedonnominalpressuredropintheline.

Thefurnaceisinstalledwithabottomgasentry.When

connectingthegassupply,provideclearancebetweenthe

gassupplylineandtheentryholeinthefurnacecasing

toavoidunwantednoiseand/ordamagetothefurnace.

TypicalgashookupsareshowninFigure12.

LeakCheck

FIRE OR EXPLOSION HAZARD

•Failuretofollowsafetywarningsexactly

couldresultinseriousinjuryorproperty

damage.

•Installationandservicemustbeperformed

byaqualiedinstaller,serviceagencyor

thegassupplier.

• Donotstoreorusegasolineorother

ammablevaporsandliquidsinthe

vicinityofthisoranyotherappliance.

WHAT TO DO IF YOU SMELL GAS

•Donottrytolightanyappliance.

•Donottouchanyelectricalswitch;donot

useanyphoneinyourbuilding.

•Leavethebuildingimmediately.

•Immediatelycallyourgassupplierfrom

aneighbor’sphone.Followthegas

supplier’sinstructions.

•Ifyoucannotreachyourgassupplier,call

theredepartment.

WARNING:

RISQUED’INCENDIEOUD’EXPLOSION

• Lenon-respectdesavertissementsdesécurité

pourraitentraînerdesblessuresgraves,lamort

ou des dommages matériels.

• L’installationetl’entretiendoiventêtreeffectués

par un installateur qualié, un organisme de

serviceoulefournisseurdegazstaller,service

agencyorthegassupplier.

• Ne pas entreposer ni utiliser de l’essence ni

d’autresvapeursouliquidesinammablesdansle

voisinagedecetappareil,nidetoutautreappareil.

QUEFAIRES’ILYAUNEODEURDEGAZ

• Nepastenterd’allumeraucunappareil.

• Ne toucher à aucun interrupteur électrique;

n’utiliseraucuntéléphonedanslebâtiment.

• Évacuerl’immeubleimmédiatement.

• Appelerimmédiatementlefournisseurdegazen

employantletéléphoned’unvoisin.Respecterà

lalettrelesinstructionsdufournisseurdegaz.

• Sipersonnenerépond,appelerleservicedes

incendies.

AVERTISSEMENT:

GAS SUPPLY & PIPING

FIRE OR EXPLOSION HAZARD

Failuretofollowsafetywarningsexactlycould

resultinseriousinjuryorpropertydamage.

Nevertestforgasleakswithanopename.

Use a commercially available soap solution

made specically for the detection of leaks

tocheckallconnections.Areorexplosion

mayresultcausingpropertydamage,personal

injuryorlossoflife.

WARNING:

After the gas piping to the furnace is complete, all

connectionsmustbetestedforgasleaks.Thisincludes

pipe connections at the main gas valve, emergency

shutoffvalveandexiblegasconnectors(ifapplicable).

The soap and water solution can be applied on each

jointorunionusingasmallpaintbrush.Ifanybubblingis

observed,theconnectionisnotsealedadequatelyand

must be retightened. Repeat the tightening and soap

checkprocessuntilbubblingceases.

IMPORTANTNOTE:Whenpressuretestinggassupply

linesatpressuresgreaterthan1/2psig(14inchW.C.),

thegassupplypipingsystemmustbedisconnected

fromthefurnacetopreventdamagetothegascontrol

valve.Ifthetestpressureislessthanorequalto1/2

psig(14inchW.C.),closethemanualshut-offvalve.

HighAltitudeApplication

High altitude conversion with this furnace depends on

theinstallationaltitudeandtheheatingvalueofthegas.

Installationofthisfurnaceataltitudesabove2,000feet

shallbeinaccordancewithlocalcodes,orintheabsence

oflocalcodes,theNationalFuelGasCode,ANSIZ223/

NFPA54orNationalStandardofCanada,NaturalGas&

PropaneInstallationCodeCGAB149.1.Pleaseconsult

yourlocalcodeauthority.

The installer must indicate the furnace has been

convertedtohighaltitude.Thismaybeaccomplished

bymarkingtheratingplatewithapermanentmarker.

WARNING:

Thereductionofinputratingnecessaryforhigh

altitudeinstallationmayonlybeaccomplished

withfactorysuppliedorices.Donotattemptto

drilloutoricesintheeld.Improperlydrilled

orices may cause re, explosion, carbon

monoxidepoisoning,personalinjuryordeath.

Thefurnacesareshippedfromthefactorywithorices

andgasregulatorsettingsfornaturalgasoperationatsea

levelaltitudes.At2000feet,theNFGCrequiresthatthis

appliancebederated4%foreach1000feetofaltitude.

Forexample,theinputneedstobereduced8%at2,000

feet,12%at3,000feet,etc.Thisderationisinreference

totheinputrateandgasheatingvalueatsealevel.

Toderatethefurnacerequiresknowingtheheatingvalueof

thegasattheinstallationsite.Heatingvaluesatparticular

jobsitesvaryfortworeasons:

1.Thechemicalmixtureofthegasvariesacrossregions

andisexpressedasthe“sealevelheatingvalue”.

2.Theheatingvaluevariesbyaltitude.Forthisreason,

especially in high altitude areas, the local gas utility

speciestheheatingvalueattheresidence’sgasmeter

asthe“localvalue”.

RISQUED’INDENDIEOUD’EXPLOSION

Le non-respect des avertissements de

sécurité pourraitd’entraînerdesblessures

graves,lamortoudesdommagesmatériels.

Nejamaisutiliseruneammenueporvérierla

présencedesfuitesdegaz.Pourlavérication

de tous les joints, utiliser plutôt une solution

savonneusecommercialefabriquéespéciquement

purladétectiondesfuitesdegaz.Unincendieou

une explosion peut entraîner des dommages

matériels,desblessuresoulamort.

AVERTISSEMENT:

Gas Valve

Shut-Off

Valve

Elbows

Ground

Joint Union

Figure12.TypicalGasConnections

ConvertingtoLP/PropaneGasatAltitudes

between0&10,000FT.

WARNING:

The furnace was shipped from the factory

equippedtooperateonnaturalgas.Conversion

to LP / Propane gas must be performed by

qualied service personnel using a factory

supplied conversion kit. Failure to use the

properconversionkitcancausere,explosion,

propertydamage,carbonmonoxidepoisoning,

personalinjury,ordeath.

ConvertingsinglestagevalvestoLP/Propanerequires

the replacement of the burner orices and ipping the

regulatorcaptothesidemarkedLP.Theendfacingup

shouldnowreadLP.SeeFigure13.

WARNING:

Shutoffthegassupplyatthemanualgasshutoff

valve,beforedisconnectingtheelectricalpower.

Areorexplosionmayresultcausingproperty

damage,personalinjuryorlossoflife.Failureto

followthesafetywarningsexactlycouldresult

inseriousinjury,deathorpropertydamage.

WARNING:

Toavoidelectricshock,personalinjury,ordeath,

turnoff theelectric poweratthe disconnect

orthemainservicepanelbeforemakingany

electrical connections.

WARNING:

Thereductionofinputratingnecessaryforhigh

altitudeinstallationmayonlybeaccomplished

withfactorysuppliedorices.Donotattemptto

drilloutoricesintheeld.Improperlydrilled

orices may cause re, explosion, carbon

monoxidepoisoning,personalinjuryordeath.

InstallationExample

Elevation:.................................................. 5,000feet

TypeofGas:........................................... NaturalGas

LocalHeatingValueofGas:..............................750

FromTable10,nd750andfollowdownthecolumn,

stopatthe5,000feetrow.Theheatingvaluelistedis

LOW.Table12willbeusedtodetermineoricesizeand

manifoldpressure.

Foraddedexibility,twotableshavebeenprovidedfor

naturalgasinstallationswithhighorlowheatingvaluesat

sealevel.Tables11and12(page31)containthemanifold

pressureandoricesizestouseatvariousaltitudes.Table

11(HIGH)isfornaturalgasinstallationswithaheating

valueofmorethan1,000 Btupercubic footandTable

12(LOW)is forless than 1,000 Btu per cubic foot.To

determinewhichtabletouse:

1.Consultthelocal utility forthelocalheatingvalueat

yourinstallationsite.

2.FromTable10(page31),ndyourlocalheatingvalue

as supplied by the utility company. Follow down the

columnandstopatyouraltitudelevel.

3.IfyoursealevelheatingvalueisHIGH,useTable11

orifit’sLOW,useTable12.Seeexamplebelow.

Afterchangingtheorices,itisrequiredthatyoumeasure

thegasinputrate.Thismaybeaccomplishedintheusual

way,byclockingthegasmeterandusingthelocalgas

heatingvalue.SeeVerifyingandAdjustingtheInputRate

section(page23).

IMPORTANTNOTE:Observetheactionoftheburners

tomakesurethereisnoyellowing,liftingorashback

oftheame.

Inlet

Pressure

Ta p

Manifold

Pressure Ta p

On / Off Knob

Te rminal

Connectors

OTHER SIDE

OF CAP

Regulator Cap

Figure13.GasValve

RemovingTheBurnerOrices

1.SetthethermostattotheOFFposition,oritslowest

temperaturesetting.

2.ShutOFFthegassupplyatthemanualshutoffvalve

locatedoutsideoftheappliance.

3.Turnoffallelectricalpowertotheappliance.

4.Removethedoorfromtheburnerboxbyremoving6

screws.

5.TurnthegasvalveON/OFFknobtotheOFFposition.

SeeFigure14.

6.Removethewiresfromtheterminalsofthegasvalve.

7.Removethesupplygaspipingfromthegasvalveinlet.

8.Carefullyremovefourscrewssecuringthegasmanifold

assemblytotheburnerassembly.

9.Set the screws aside and remove the gas manifold

assemblyfromtheappliance.

10.Carefully remove the burner orices from the gas

manifoldassembly.

11.Read the rating plate afxed to the appliance to

determineitsratedinput(Btu/hr)andthesizeofthe

factoryinstalledorices.

 IMPORTANT: Before installing an orice, check

thesideorfaceoftheoriceforthedrillnumber

toensurethatitistheappropriatesize.

12.InstalltheappropriateLP/Propanegasburnerorices

intothegasmanifoldassembly.NOTE:Theoricesare

includedwiththefurnace. Topreventcrossthreading,

handtightentheoricesintothegasmanifoldassembly

untilsnug,thentightenwithawrench.

13.Unscrewthegasvalvepressureregulatorcapmarked

NAT.InvertthecapsoLPfacesup.Reinstallthecap

andtightenuntilsnug.MakesureLPisvisibleafter

conversion.

GasPressureVerication

MeasuringtheSupplyGasPressure

1.TurnOFFthegassupplyatthemanualvalvelocated

ontheoutsideoftheunit.

2.Usinga3/16”Allenwrench,removetheplugfromthe

inletpressuretap(INLETsideofgasvalve).SeeFigure

13(page18).

3.Installan1/8”NPTpipethreadtting,thatiscompatible

withaManometerorsimilarpressuregauge.

4.ConnecttheManometerorpressuregaugetotheInlet

PressureTap.

5.TurnONthemaingassupplyatthemanualvalve.

6.Checkand adjust the incoming gas line pressure to

11.0-14.0inchesWaterColumnforLP/Propanegas.

7.TurnOFFthegassupplyatthemanualvalve.

8.DisconnecttheManometerorpressuregauge.

9.RemovetheNPTttingandreinstalltheINLETpressure

tapplug.Handtightentheplugrsttopreventcross-

threading.Tightenwith3/16Allenwrench.

Figure14.OriceRemoval

Burner Box

Orifice

(X4)

Gas Valve

Gas Manifold

Burner Box

Door

(X4)

(X6)

WARNING:

DonotuseTeontapeorpipejointcompound

ontheoricethreads.Theholeintheorice

maybecomeblockedandcausere,explosion,

propertydamage,carbonmonoxidepoisoning,

personalinjury,ordeath.

14.Reinstall the gas manifold assembly to the burner

assemblywiththe4screws,thatwereremovedearlier.

NOTE:Itisimportantthatthecenteroftheorices

arealignedwiththecenteroftheburners.

15.Reinstalltheburnerboxdoorwiththe6screwsthat

wereremovedearlierinstep4.

16.Reconnectthegaspipingtothegasvalveinlet.

17.Reconnectthewirestothegasvalveterminals.

Lighting&AdjustmentoftheAppliance

WARNING:

FIRE OR EXPLOSION HAZARD

Failuretofollowsafetywarningsexactlycould

resultinseriousinjuryorpropertydamage.

Nevertestforgasleakswithanopename.Use

acommerciallyavailablesoap solution made

specicallyforthedetectionofleakstocheck

allconnections.Areorexplosionmayresult

causing property damage, personal injury or

lossoflife.

1.TurnONthemanualgasvalve,locatedontheoutside

oftheunittotheONposition.

2.Checkallgasconnectionsforleakswithasoapand

watersolution.If the solution bubblesthere is a gas

leakwhichmustbecorrected.

3.Turnontheelectricalpowertotheappliance.

4.TurnthegasvalveON/OFFknobtotheONposition.

SeeFigure13(page18).

5.Setthethermostattoapointaboveroomtemperature

tobegintheheatingcycleofthefurnace.

6.Checkthatthefurnaceignitesandoperatesproperly.

Refertotheinstallationinstructionsprovidedwiththe

unitforthenormaloperatingsequence.

7.Afterignition,visuallyinspecttheburnerassemblyto

ensurethattheameisdrawndirectlyintothecenterof

theheatexchangertube.Inaproperlyadjustedburner

assembly,theamecolorshouldbebluewithsomelight

yellowstreaksneartheouterportionsoftheame.

NOTE:Theignitermaynotignitethegasuntilallairisbled

fromthegasline.Iftheignitioncontrollocksout,turnthe

thermostattoitslowestsettingandwaitoneminutethen

turnthethermostattoapointaboveroomtemperature

andtheigniterwilltryagaintoignitethemainburners.

This process may have to be repeated several times

before the burners will ignite. After the burners are lit,

checkallgasconnectionsforleaksagainwiththesoap

andwatersolution.

MeasuringtheManifoldPressure

Themanifoldpressuremustbemeasuredbyinstallinga

pressuregauge(Manometer,MagnehelicMeter,etc.)to

theoutletendofthegasvalveasfollows:

1.Turnoffallelectricalpowertotheappliance.

2.ShutOFFthegassupplyatthemanualshutoffvalve

locatedoutsideoftheappliance.

3.Using a 3/16” Allen wrench, remove the manifold

pressuretappluglocatedontheoutletsideofthegas

valve.SeeFigure13(page18).

4.Installan1/8”NPTpipethreadtting,thatiscompatible

withaManometerorsimilarpressuregauge.

5.Connect the Manometer or pressure gauge to the

manifoldpressuretap.

6.Settheroomthermostataboveroomtemperatureto

startthefurnace.

7.Allowthe furnacetooperatefor3minutesand then

checkthemanifoldpressure.Comparethemeasured

valuewiththevalueshowninTable11(page31).

RemovingtheManometer/PressureGauge

After the manifold pressure is veried, the Manometer

orpressuregaugemustberemovedfromthegasvalve.

1.Turnthethermostattoitslowestsetting.

2.TurnOFFthemaingassupplytotheunitatthemanual

shut-offvalve,whichislocatedoutsideoftheunit.

3.TurnOFFalloftheelectricalpowersuppliestotheunit.

4.Removethepressuregaugeadapterfromthegasvalve

andreplaceitwiththe1/8”NPTmanifoldpressureplug

thathadbeenremovedearlier.NOTE:Makesurethe

plugistightandnotcross-threaded.

5.TurnONtheelectricalpowertotheunit.

6.TurnONthemaingassupplytotheunitatthemanual

shut-offvalve.

CompletingtheConversion

WARNING:

Donotalterorremovetheoriginalratingplate

fromthefurnace.

1.AfxtheLPlabelfromtheoricepackagetotherating

plate.

2.Reinstalltheappliancedoor.

3.Runtheappliancethrough3completecyclestoassure

properoperation.

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Nordyne CMF95 Series Installation guide

Brand: Nordyne

Model: CMF95 Series

Type: Installation guide

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Nordyne CMF95 Series Installation guide

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Nordyne CMF95 Series Installation guide

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