Nordyne CMF95 Series Manuel utilisateur

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Manuel utilisateur

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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.
2
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
3
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.
4
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.
5
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.
6
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
7
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).
X
Maintenanceitemsbelowshouldbeperfomedbyqualiedserviceperson.
Verify burner flame.
X
Clean blower compartment.
X
Clean burner assembly.
X
Clean condensatecollection&disposalsystem(ifapplicable).
X
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).
O’Fallon,MO,©NortekGlobalHVACLLC2015.AllRightsReserved.
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