International comfort products N9MP1, N9MP2, *9MPD, *9MPT, *9MPV User's Information Manual
...
Condensing Gas Furnaces
90+ Four Position Furnaces
N9MP1, N9MP2, *9MPD, *9MPT & *9MPV
Non--Condensing Gas Furnaces
80+ Four Position Furnaces
N8MPN/L, *8MPN/L, *8MPT & *8MPV
*8DNL (Downflow only)
!
FIRE OR EXPLOSION HAZARD.
Failure to follow safety warnings
exactly could result in death, serious
injury and/or property damage.
-- -- Do not store or use gasoline or
other flammable vapors and liquids
in the vicinity of this or any other
appliance.
-- -- WHAT TO DOIF 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 fire department.
-- -- Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
Installer: Affix these instructions
on or adjacent to the furnace.
International Comfort Products, LLC
Printed in U.S.A. (06/03/2005) 441 02 2011 00
Lewisburg, TN 37091
User: Please read all instructions
in the manual and retain these
instructions for future reference.
Contents
User’s Information Manual
Danger,Warningand Caution 2................
Safety Rules 3.............................
Combustion Air (Your Safety) 4................
Indoor Humidity (Y ourComfort) 5..............
Danger,Warning and Caution
Recognize safety information.
Thisisthe safety--alertsymbol!. Whenyou seethis symbol on
the furnace and in instruction manuals be alert to the potentialfor
personal injury.
Understand the signal words DANGER, WARNING and CAU-
TION. These words are used to identify levels of hazard seriousness. The signal word DANGER is only usedon product labelsto
signify an immediate hazard. The signal words WARNING and
CAUTIONwillbeusedonproductlabelsandthroughoutthismanual and other manuals that may apply to the product.
Signal Words
DANGER -- Immediate hazards which WILL result in severe per-
sonal injury or death.
WARNING -- Hazards or unsafe practices which COULD resultin
severe personal injury or death.
CAUTION --Hazardsor unsafe practices which MAYresultinminor
personal injury or product or property damage.
“NOTE” is used to highlight suggestions which will result in enhanced installation, reliability or operation.
Signal Words in Manuals
About Your Furnace 5.......................
Operating Your Furnace 7....................
Furnace Maintenance 8......................
Warranty 11...............................
Product Labeling
Signalwordsareusedincombinationwith colors and/or pictures on
product labels. Following are examples of product labels with explanations of the colors used.
Danger Label
White lettering on a black background except the word DANGER
which is white with a red background.
DANGER
!
Electric Shock Hazard
Failure to observe could
result in death, bodily injury
and/or property damage.
Turn off all power
before servicing.
WarningLabel
White lettering on a black background except the word
WARNING which is black with an orange background.
The signal word WARNING is used throughout this manual in the
following manner:
!
Thes ignal word CAUTION isusedthroughoutthismanualinthefollowing manner:
!
WARNING
CAUTION
!
WARNING
FIRE HAZARD
Failure to observe could
result in death, bodily injury
and/or property damage.
Usecopperwireonly.
Caution Label
White lettering on a black background except the word CAUTION
which is black with a yellow background.
DANGER
!
CAUTION
CUTS HAZARD
Failure to observe may result
in bodily injury.
Wear gloves andhandle with
care.
2
441 02 2011 00
User’s Information Manual
!
WARNING
DEATH, PERSONAL INJURY AND/OR PROPERTY
DAMAGE HAZARD
Failure to observe and follow Cautions, Warnings
and instructions could result in death, personal
injury or property damage.
Read this manual and follow its instructions and
adhere to all Cautions and Warnings in the manual
and on the furnace.
Consult a qualified service agency for
installation, adjustment and maintenance.
Safety Rules
Yourfurnaceis builtto providemanyyears ofsafe anddependable
service providing it is properly installed and maintained. However,abuseand/orimproperusecanshortenthelifeofthefurnaceand
create hazards for you, the owner.
A. The U.S. Consumer Product Safety Commission recom-
mends that usersof gas--burning appliances install carbon monoxide detectors. There can be various sources
of carbon monoxide in a building or dwelling. The
sourcescould begas--fired clothes dryers, gas cooking
stoves, water heaters, furnaces, gas--fired fireplaces,
wood fireplaces, and several other items. Carbonmonoxidecancause serious bodilyinjuryand/ordeath. Carbon monoxide or “CO” is a colorless and odorless gas
produced when fuel is not burned completely or when
the flame does not receive sufficient oxygen.
Therefore, to help a lert people of potentially dangerous
carbon monoxide levels, you should have carbon monoxide detectors that are listed as complying with a standard by a nationally recognized agency (e.g. ANSI/UL
2034--2002, CSA 6.19--01, or International ApprovalServices 6--96) installed and maintained in the building or
dwelling (see Note below).
B. Therecanbenumeroussourcesoffireorsmokeina building
or dwelling. Fire or smoke can cause serious bodily injury,
death, and/or property damage. Therefore, in order to alert
people of potentially dangerous fire or smoke, you should
havefireandsmokedetectorsthatarelistedbyUnderwriters
Laboratories installed and maintained in the building or
dwelling (see Note below).
Note: The manufacturerof yourfurnace does not test any detec-
tors and makes no representations regarding any brand or
type of detector.
C. To ensure safe and efficient operation of your furnace, you
should do the following:
1. Thoroughly read this manual and labels on the furnace.
Thiswillhelpyouunderstandhowyourfurnaceoperatesand
the hazards involved with gas and electricity.
2. Thefurnacearea must bekept clear andfreeof combus-
tible materials, gasoline, and other flammable vapors
and liquids.
3. Donot use this furnace if any parthas been underwater.
A flood-- damaged furnace is extremely dangerous. Attempts to use the furnace can result in fire orexplosion.
Immediately call a qualified service agency to inspect
thefurnace andtoreplace all controlsystemparts, electricalparts,and gas controls whichhave been wet orthe
furnace, if deemed necessary.
441 02 2011 00
4. Neverblock or obstruct the openings on the furnace, or
any ducts that provide air to the furnace. Air must be pro-
vided for proper and safe operation of the furnace for combustionandventilationoffluegases.
Seethe“Combustion
Air (Your Safety) section of this manual.
5. Familiarize yourself with the possible air starvation sig-
nals.Checkthe combustion air supply.Somemodelsuse
air drawn from outdoors, See Figure 3. Other models and
other appliances use combustion air from inside the structure. Air starvation signals are given in the following “Com-
bustionAir (YourSafety)”. sectionofthismanual. Ifanyofthe
signals are noticed, perform a combustion air check as
showninthefollowingCombustionAirCheckssectionofthis
manualor call aqualified serviceagency.Ifyou addweather
stripping,storm windows,insulation,an additionalfuel burning appliance, or remodel the structure, a combustion air
check MUST be accomplished after the addition
6. Maintainsafetyandserviceclearancesfrom thefurnace.
Thesec learances are listedonthefurnaceratingplate.Keep
the furnace area clean and free of combustiblematerials at
all times. Never store gasoline, paint, aerosol cans, waxes,
bleaches, dry cleaning fluid or items such as paper or rags
near the furnace.
7. Examinethe furnace areawhenthe furnaceor additional
insulationisaddedsincesomeinsulation materials may
be combustible. Furnacemust be keptfree andclear ofex-
posedorlooseinsulation materials intheareaof installation.
8.Shouldthegas supply failtoshutoff or if overheatingoc-
curs, shut off the gas valve to the furnace before shutting off theelectrical supply. Readthe label onthe frontof
the furnace and the Operating Your Furnace section of this
manual for steps to turn off the furnace.
9.Familiarize yourself withall controls. Makesure youknow
how to shut off the gas and the electrical power to the furnace.Readthelabelonthefrontofthefurnaceand theOperating Your Furnace section of this manual for steps to start
and turn off the furnace. If the furnace is to be shut downfor
an extended length of time (example; remodeling project),
turn off both the gas and the electrical power. For safety, alwaysturn themoffbeforeperformingserviceormaintenance
on the furnace.
10.Establish a regular serviceand m aintenance schedule.
Thiswill ensureefficient and safe operation ofthe furnace.It
is recommended that you have a qualified service agency
perform a complete check on the furnace before each heat ings eason. See furnace QualifiedAgencyChecksandCom-
bustion Air Checks section of this manual.
11. Monthly Inspection. A properly adjusted gas furnace
shouldnot requirecleaningatfrequentintervals,butitshould
beinspectedregularlytoensuresafeandefficientoperation.
Abrief monthly inspectionis recommendedthatdoes notrequiredisassembly. Examinethefurnaceinstallation todetermine that:
a. Checkthereturnairductconnection.Theductconnection
must be physically sound, sealed to the furnace casing
and must terminate outside the spacecontaining the furnace.
b. All flue gas carrying areas external to the furnace (i.e.
chimney, vent connector) are clear and free of obstructions.
c.The vent connector is in place, slopes upward and is
physically sound without holes or excessive corrosion.
3
User’s Information Manual
d.(Upflow or downflow installations with duct connection at
bottomonly.)Thephysical support ofthefurnace is sound
withoutsagging,cracks,gaps,etc.,aroundthebasesoas
to provide an air seal between the support and the base.
e.There should be no obvious signs of deterioration of the
furnace.
f. Check that the burner flamesare in goodadjustment. To
inspect the Main Burner flames it will benecessary to removethelouvereddoor on thefrontofthe furnace, except
for furnaces not having any louvers in the doors. The
doors(nolouvers)ofthesefurnacesmustremaininstalled
(to prevent changes in flame appearance) while inspecting the Main Burner flames through the view port in the
door.Contact a qualified service agency at once if an
abnormal flame appearance is identified.
Main Burner Flame: Check for the following:
· Stable and blue flames. See Figure 1.
· Flames extending directly from burner into heat
exchanger.
· Flames do NOT touch sides of heat exchanger.
NOTE: Dust may cause orange tips or wisps of yellow,but flames
MUST NOT have solid, yellow tips.
Figure 1
Main Burner
Burner Face
Newmaterials and methods are being used in construction and remodelingwhichresultinlowerenergycostsforheating andcooling.
Itmayalso meanyour appliancesmaynot be gettingenough air for
combustionand ventilation of flue gases. The use ofexhaust fans,
fireplaces,clothesdryers,andotherappliancesconsumeairorvent
it to the outdoors.
If the gas appliances or heating furnace can’t get enough air, two
conditions may result:
1. The appliances or furnace may produce carbon monoxide
gas.
2. The appliance may not vent flue gasesproperly.The followingaresignsthatyourappliancesmaynotbe getting enough
air for proper combustion.
Be aware of these signals;
1. Headaches--Nausea--Dizziness
2. Excessive humidity--heavily frostedwindows or amoist
“clammy” feeling in the structure.
3. Smoke from the fireplace won’t draw up the
chimney.
!
CARBON MONOXIDE POISONING HAZARD.
Carbon monoxide poisoning could result in death
from asphyxiation or serious personal injury.
If you experience headaches, nausea, or
dizziness, carbon monoxide may be present.
Leave the house immediately and call your gas
supplier.
WARNING
10--10--78
· Check main burner flames monthly.
g.Withthe equipmentshutoff valve turned OFF,remove the
burnercompartmentdoor of thefurnacetouseaflashlight
to inspect the visible parts of the burners and igniter.
Check for loose soot and give particular attention to obviousdeteriorationfromcorrosionorothersources. Ifsoot
or deterioration is found inside the furnace, DO NOT OP-
ERATE FURNACE; call a qualified service agency.
h.Inspectthedrainline andoverflowlinemonthly (condens-
ingfurnaceand/orair conditioning coolingcoilattachedto
furnace).
Combustion Air (Your Safety)
!
CARBON MONOXIDE POISONING HAZARD
Lack of combustion air could result in carbon
monoxide gas which could cause death or serious
personal injury.
All fuel--burning appliances must be provided with
enough fresh air for proper combustion and
ventilation of flue gases.
Some models use air from the space in which they
arelocated, andother appliancesin thesame space
may also be using indoor air for ventilation and/or
combustion.
4
WARNING
Combustion Air Checks
If any of the above signals are noticed, perform a combustion air
check or call a qualified service agency. If you add weather stripping, storm windows, insulation, an additional fuel burning appliance,or remodel thestructure,a combustionaircheck MUSTbe
accomplished after the addition.
Make the inspection as follows:
1. Close all doors and windows. If you have a fireplace, start a
fire and wait until flames are burning vigorously.
2. Turn on all exhausting devices, such as: kitchen and bathroom exhaust fans and dryers (gas or electric).
3. Turn on all vented gas appliances, such as: heating equipment (includes any room heaters) and water heaters.
4. Wait ten (10) minutes for drafts to stabilize.
5. Onapplianceswithadrafthood,checkforspillagebyholding
a lighted match 2² from the draft hood opening. Reference
Figure 2, which shows a water heater draft hood.
Figure 2
Typical Gas
WaterHeater
A. Match flame pulls toward draft hood.
This indicates no spillage and that appliance is getting
enough air for combustion. Return exhausting devices and
appliances to the condition in which you found them .
Water Heater Draft Hood
Vent Pipe
DraftHood
Match
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