Nordyne CMF95 Manuel utilisateur

Marque: Nordyne

Modèle: CMF95

Taper: Manuel utilisateur

Ce manuel convient également à

CMF95 Series 95.1 AFUE

Downﬂow, Single Stage Condensing Gas Furnace

USER’S MANUAL

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! Please read all information in this manual thoroughly

and become familiar with the capabilities and use of your appliance

before attempting to operate or maintain this unit. 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.

Keep this literature where you have easy access to it in the future. If a

problem occurs, check the instructions and follow recommendations

given. If these suggestions don’t eliminate your problem, call your

servicing contractor. Do not attempt to service this unit yourself!

Under no circumstances should the appliance owner attempt to

install and/or service this equipment. Some local codes require

licensed installation / service personnel for this type of equipment.

Improper service, adjustment, or maintenance may cause explosion,

ﬁre, electrical shock or other hazardous conditions which may result

in personal injury or property damage.

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

Gas Supply & Piping .................................. 3

Combustion Air & Venting System .............. 4

Clearances to Combustibles ...................... 4

Shutting Down the Furnace ........................ 4

GENERAL INFORMATION ........................... 5

About the Furnace ...................................... 5

Air Filters .................................................... 5

Furnace in Small Room or Closet .............. 5

Sources of Corrosion ................................. 5

Thermostat ................................................. 5

Warranty Information .................................. 5

MAINTENANCE ............................................ 6

Blower and Filter ....................................... 6

Condensate Drainage ............................... 6

Furnace & Air Ducts ................................... 6

Venting System .......................................... 6

TROUBLESHOOTING .................................. 6

STARTUP & SHUTDOWN ............................ 7

Starting the Furnace .................................. 7

Shutting Down the Furnace ........................ 7

FURNACE COMPONENTS .......................... 8

TABLE OF CONTENTS

FOR FURNACES INSTALLED IN:

• ManufacturedHomes

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

• ModularHomes/Buildings

GAS SUPPLY & PIPING

IMPORTANT SAFETY INFORMATION

WARNING:

Toavoidpossibleequipmentdamage,re,or

personalinjury,thefollowinginstructionsmust

beobservedregardingunitmaintenanceand

operationalprocedures.

WARNING:

PROPOSITION65WARNING:Thisproductcontains

chemicalsknowntothestateofCaliforniatocause

cancer,birthdefectsorotherreproductiveharm.

• To achieve optimum performance and minimize

equipment failure, it is recommended that periodic

maintenance be performed on this unit. The ability

to properly perform maintenance on this equipment

requires certain mechanical skills and tools. Please

consult your dealer for maintenance information and

availability of maintenance contracts.

• Thearea aroundthegas furnace(Figure1,page4)

and the vicinity of any other gas appliances must be

kept clear and free of combustible materials, gasoline,

and other ﬂammable vapors and liquids. Do not store

or use ﬂammable items such as paint, varnish, or

strippers in the vicinity of the unit.

• Donotusetheareaaroundtheunitasastoragearea.

This area must be kept clean and clear of loose or

exposed insulation materials. Examine the unit’s area

when it is installed or when insulation is added, since

some insulation materials may be combustible.

• Do not use this furnace if any part has been under

water. A ﬂood damaged furnace is extremely

dangerous. Attempts to use the furnace can result in

ﬁre or explosion. A qualiﬁed service agency should

be contacted to inspect the furnace and to replace all

gas controls, control system parts, electrical parts that

have been wet or the furnace if deemed necessary.

• Familiarizeyourselfwiththecontrolsthatshutoffthe

gas and electrical power to the unit.

 IMPORTANT NOTE: If the unit needs to be shut

down for an extended period of time, turn off

boththegasandelectricalpower.Foryoursafety

alwaysturnoffboththegasandelectricalpower

beforeperformingserviceormaintenanceonthe

furnace.Ifthegassupplytotheunitmustbeshut

off,refertotheshutdowninstructionsonpage7.

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.

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.

WARNING:

All gas piping and shutoff valves must be

installedincompliancewithlocalcodesand

utility regulations by licensed installers. DO

NOT attempt to modify, or tap into existing

gaslinesyourself.Fire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:

The furnace was shipped from the factory

equippedtooperateonnaturalgas.Conversion

to LP/propane gas must be performed by a

licensed HVAC technician 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.

This furnace does not have a pilot. It is equipped with an

ignition device which automatically lights the burner. DO

NOT light the burner by hand.

CLEARANCES TO COMBUSTIBLES

The furnace is designed to have certain clearances to

combustible items such as wood, paper, etc. Some types

of insulation are combustible. If your furnace is installed

in an attic, near unﬁnished walls, or in other insulated

space, keep area surrounding the furnace free of insulating

material.

WARNING:

Donotplacecombustiblematerialsonoragainst

the furnace cabinet or vent pipe. The area

aroundthefurnacemustbekeptclearandfree

ofcombustiblematerials,gasolineandother

ammablevaporsandliquids.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.

IMPORTANT NOTE: Shouldthegassupplyfailtoshut

offorifoverheatingoccurs,shutoffthegasvalveto

thefurnacebeforeshuttingofftheelectricalsupply!

COMBUSTION AIR & VENTING SYSTEM

For proper and safe operation, this furnace requires

unrestricted airﬂow for combustion and ventilation. Do

not block or obstruct air openings on the furnace, air

openings around the furnace area or the spacings around

the furnace.

WARNING:

It is extremely important that the furnace

receivesanunobstructedowofclean,fresh

airtoproperlyburnthefuelgas.Ifthisowof

airisrestricted,thepartiallyburnedcombustion

gasesmaycreatedangerousamountsofcarbon

monoxide-acolorless,odorlessgasthatisa

deadlypoisonthatcancausepersonalinjury

ordeathThiscouldcreatetheproductionof

excessive amounts of Carbon Monoxide - a

colorless,odorlessgasthatisadeadlypoison

thatcouldresultinseriouspersonalinjuryor

death.

Donotblockanyopeningsthataresupplying

freshairtotheroomorclosetthefurnaceisin.

Ifyourfurnaceobtainsitsairthroughapipeto

theoutdoors,donotallowtheinletofthepipe

tobecomeblocked.

• 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 ﬂame roll-out switch will open, turning

off the gas supply to the burners. This indicates that

a serious problem with the burners has occurred and

mustbecorrectedimmediately.OnlyalicensedHVAC

technician can reset this switch.

• Your furnace and its venting system should be

inspected annually by a licensed HVAC technician.

The ﬁlter should be inspected at least once a month.

SeealsotheMaintenanceInstructionsonpages6-7.

• Before you remodel a room near the furnace, consult

with a local code ofﬁcial or the National Fuel Gas Code

to make sure you will be in compliance with supplying

adequate air for combustion. By erecting new walls,

it is sometimes possible to inadvertently restrict the

furnace’s air supply. You can ﬁnd more information

about supplying combustion air in the NFGC, which is

available at many libraries.

IMPORTANT SAFETY INFORMATION

Figure 1. Minimum Clearances

FURNACE CLEARANCES

CLOSET ALCOVE

Front 1" 1"

Rear 0” 0”

Sides 0” 0”

To p 6” 6”

Vent 0” 0”

LEFT

SIDE

FRONT

RIGHT

SIDE

REAR

VENT

SHUTTING DOWN THE FURNACE

If you need to shut down your furnace for service or

maintenance, shut off the gas valve to the furnace before

shutting off the electrical service. Remove the door panel

from the front of the furnace and turn the knob to the OFF

Position. Additional instructions for shutting down the

furnace can be found on page 7. If your installation has

a manual gas shutoff valve on the gas supply pipe, shut

this off, then shut off the electric to the furnace.

GENERAL INFORMATION

ABOUT THE FURNACE

• Thisfurnacehasbeentestedforcapacityandefciency

inaccordancewithA.H.R.I.Standardsandwillprovide

many years of safe and dependable comfort, providing

it is properly installed and maintained. With regular

maintenance, this unit will operate satisfactorily year

after year. Abuse, improper use, and/or improper

maintenance can shorten the life of the appliance and

create unsafe hazards.

• This furnace is designed to fulll the requirements

of being classiﬁed as a Category IV furnace. This

classiﬁcation is related to the furnace’s Annual Fuel

UtilizationEfciency(AFUE)rating,thepercentageof

fuel that is converted into usable heating energy.

• Category IVfurnaces typicallyhave anAFUE rating

over 90% and are mainly vented through plastic PVC

pipe.

AIR FILTERS

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.

• An air lter is supplied with the furnace as shipped

from the factory.

• The furnace shouldalways havea clean lter. If the

ﬁlter becomes dirty, it should be cleaned or replaced.

The ﬁlter is installed over the return air grille of the

door inside the furnace cabinet.

• New or newly renovated homes may require more

frequent changing or cleaning until the construction

dust has minimized. Filters designed to remove

smaller particles such as pollen, may require additional

maintenance.

FURNACE IN A SMALL ROOM OR CLOSET

If a furnace is installed in relatively small utility room or

closet, the installation needs openings in the walls or door

toletreturnairin.Makesurethattheseopeningsremain

unobstructed. Do not modify these openings in any way

withoutconsultingalicensedHVACtechnician.

SOURCES OF CORROSION

It is known that certain common household chemicals can

cause heat exchanger corrosion if the vapors are pulled into

the furnace’s burners The following is a list of chemicals

that should not be used or stored near the furnace.

DO NOT STORE THESE CHEMICALS NEAR THE

FURNACE:

• Gasoline/Kerosene

• 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

THERMOSTAT

• This single stage gas furnace is designed to be

controlled by a conventional single stage thermostat.

The thermostat’s wiring must comply with the current

provisions of the NEC (ANSI/NFPA 70) and with

applicable local codes having jurisdiction. Thermostat

connections should be made in accordance with the

instructions supplied with the thermostat and the

indoor equipment.

• Thethermostatshouldbemountedabout5feetabove

the ﬂoor on an inside wall and not on an outside wall

or other location where its operation may be adversely

affected by radiant heat from ﬁreplaces, sunlight, or

lighting ﬁxtures, and convective heat from warm air

registers or electrical appliances.

• Thermostatstylesvary.Pleaserefertothethermostat

manufacturer’sUserManualfordetailedprogramming

instructions.

WARRANTY INFORMATION

A warranty certiﬁcate with full details is included with the

equipment. Carefully review these responsibilities with

your dealer or service company. The manufacturer will not

be responsible for any costs found necessary to correct

problems due to improper setup, improper installation,

adjustments, improper operating procedure on the part of

the user, Some speciﬁc examples of service calls which

are not included in the limited warranty are:

• Correcting wiring problems in the electrical circuit

supplying the equipment.

• Resettingcircuitbreakersorotherswitches.

• Adjustingorcalibratingofthermostat.

MAINTENANCE INFORMATION

Proper maintenance is important to achieve optimum performance from the furnace. This equipment should be

inspectedannuallybyalicensedHVACtechnician.Table1(page7)containssuggestedinspectionsandfrequency

of maintenance. Routine maintenance should include the following:

BLOWER & FILTER

• Neveroperatethefurnacewithoutalterinplace.Dust

and lint can build up on internal components, resulting

in loss of efﬁciency, equipment damage, and possible

ﬁre.

• Keepairlterscleaned.Filtersshouldbechangedor

cleaned monthly during the heating/cooling season.

Clean or replace ﬁlter to maintain proper airﬂow and

achieve maximum efﬁciency. Newly built or renovated

homes may require more frequent changing until the

construction dust has minimized. Filters designed to

remove smaller particles such as pollen, may require

additional maintenance.

• It is recommended that the blower compartment be

cleaned of dirt or lint that may have accumulated in the

compartment or on the blower and motor as part of the

annual inspection.

CONDENSATE DRAINAGE

• This furnace produces liquid condensate which is

slightly acidic. The vent pipe must be sloped upwards

away from the furnace to properly drain the water back

into the condensate disposal system.

• Condensate drain tubes must maintain a downward

slope to ensure proper drainage. Periodically inspect

the condensate drain tube for proper drainage. Also,

do not place heavy objects on the tubing that restricts

the ﬂow of condensate.

FURNACE & AIR DUCTS

• Homeowners should perform frequent visual

inspections of the furnace for obvious signs of

deterioration. The furnace should be sound without

sagging, cracks gaps, etc around the base. The return

air duct connection(s) is secured and sealed to the

furnace cabinet and terminates outside the area

containing the furnace. Any signs of damage or loose

connectionsshould berepairedbyaqualied HVAC

technician.

• Furniture and drapery should be arranged so that

the supply air registers and return grilles are not

obstructed.

• Ifhouseisnewlybuilt,theoperationofagasfurnace

in a construction environment can cause a variety

of problems with the furnace. Before occupying the

residence, homeowners should have these safety

inspections performed by a licensed technician:

– Theltermustbereplaced(orcleaned)andthe

furnace must be inspected by a licensed HVAC

technician.

– The furnace must be cleaned and/or repaired if

found to be dirty, damaged, or malfunctioning in any

way.

– Before occupancy, the furnace shall be inspected

and approved by applicable local authority even if

this results in redundant inspections.

– The duct work must be inspected and cleaned if

found to contain any construction debris.

VENTING SYSTEM

• Forproperandsafeoperation,thefurnaceneedsairfor

combustion and ventilation. Do Not block or obstruct

air openings on the furnace, or any air openings

where the furnace may be installed, including any

surrounding spaces.

• Direct vent furnaces pull combustion air from the

outdoors and vent combustion products back outside.

Combustion air coming from the outside needs to be

clean of chemicals that can cause corrosion, such as

pool chlorinating products.

• Ventpipemustslopeupwardsandbephysicallysound

without holes or corrosion. Any corroded section

of vent pipe must be replaced, and any obstruction

or blockage must be removed by a licensed HVAC

technician.

• Fluepassageways,theventsystem,andtheburners

should be inspected and cleaned (if required) by

a licensed HVAC technician annually to ensure

continued safe operation.

TROUBLESHOOTING

Ifthefurnacefailstooperatecheckthefollowing:

1.Isthethermostatsettingcorrect?

2.IstheON/OFFswitchinsidethefrontdoorturnedon?

SeeFigure3(page8)forswitchlocation.

3.Isthecircuitbreakertripped?

4.Isthegasturnedonatthemanualshutoff?

5.Isthelterdirtyorclogged?

If the furnace still doesn’t operate, contact a licensed

HVACtechnician

STARTUP & SHUTDOWN

STARTING THE FURNACE

1.Makesurethelteriscleanandinplace.

2.Makesuretheventsystemisproperlyinstalled.

3. Set the thermostat to the lowest setting.

4. Close the manual gas valve outside the furnace.

5. Turn off all electric to the furnace.

6. Remove the door from the burner compartment.

7. Set the gas valve On/Off knob to the OFF position.

See Figure 2 for gas valve knob location.

8.Wait5minutes.Ifthereisanysmellofgas,see“WHAT

TODOIFYOUSMELLGAS”onpage3.

9. Set the gas valve On/Off knob to the ON position.

10.Turnonallelectrictothefurnace,includingtheON/

OFFswitch.SeeFigure3(page8)forswitchlocation.

11.Openthemanualgasvalve.

12.Turnthethermostatbackuptoforceignition.

13.Observeoperation,includingburners.Ifburnersfail

toignite,callalicensedHVACtechnician.

14.Replacethedoorontheburnercompartment.

SHUTTING DOWN THE FURNACE

IFYOUNEEDTOSHUTDOWN

YOUR FURNACE FOR SERVICE OR

MAINTENANCE,FOLLOWTHESESTEPS:

1.Setthethermostattothelowestsetting.

2. Close the manual gas valve outside the furnace.

3. Turn electric to the furnace off.

4. Open the door to the burner compartment.

5.SettheON/OFFswitchtoOFF.SeeFigure3(page8)

for switch location.

6. Set the gas valve On/Off knob to the OFF position. See

Figure 2 below for knob location.

7. Replace the door on the burner Compartment.

Figure2.GasValve

ON / OFF Knob

OFF Position

ON Position

Table1.MaintenanceTable

MAINTENANCE ITEM

FREQUENCY OF MAINTENANCE

BEGINNING OF EACH

HEATING SEASON

END OF EACH

HEATING SEASON

MONTHLY

Verify furnace area is free of combustible materials.

X X X

Verify combustion and ventilation air is not restricted.

X X X

Verify no signs of physical deterioration of the furnace.

X X X

Verify no obstructions or restrictions in vent or chimney.

X X

Verify no holes or cracks in vent pipe.

X X

Verify no corrosion in vent pipe.

X X

Verify the horizontal vent pipes slope upwards away from the

furnace.

X X

Cleanorreplacelter(s).

Maintenanceitemsbelowshouldbeperfomedbyqualiedserviceperson.

Verify burner ﬂame.

Clean blower compartment.

Clean burner assembly.

Clean condensatecollection&disposalsystem(ifapplicable).

The furnace components shown in Figure 3 will help identify and locate various parts of the furnace. The component

you need to familiarize yourself with is the gas valve. You will use this to turn the furnace on and off. There are no

userserviceableparts.AllrepairsmustbedonebyalicensedHVACtechnician.

FURNACE COMPONENTS

Figure3.CMF95FurnaceComponents

Blower Assembly

Inducer Assembly

Gas Valve

Gas Manifold &

Burner Assembly

ON / OFF Switch

Control Board

Limit Switch

Inline Drain

Assembly

24V Tr ansformer

Igniter

Main Air Limit Switch

Flame Sensor

Roll-Out Switch

Combustion Air Pipe

Exhaust Vent Pipe

7094390 (Replaces709250B)

Specications&illustrationssubjecttochangewithoutnoticeorincurringobligations(05/15).

Nordyne CMF95 Manuel utilisateur

Marque: Nordyne

Modèle: CMF95

Taper: Manuel utilisateur

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