Trane ADD2B080A9362A Owner's manual

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32- 5052- 02
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Gas Furnaces mNon-Condensing
Fan Assisted Combustion System
Upflow/Horizontal
with Whole House Air Cleaner
IMPORTANT: Users MUST read all instructions in the manual.
All manuals MUST be kept for future reference.
SAFETY SECTION
Safety signal words are used to designate a degree or level of
seriousness associated with a particular hazard. The
signal words for safety marldngs are WARNING, and
CAUTION.
a. WARNING indicates a potentially hazardous situation
which, if not avoided, could result in death or serious
injury.
b. CAUTION indicates a potentially hazardous situation
which, if not avoided, may result in minor or moderate
injury. It is also used to alert against unsafe practices
and hazards involving only property damage.
If the information in this manual is not followed exactly,
afire or explosion may result causing property
damage, personal injury or loss of life.
-- Do not store or use gasoline or other flammable
vapors and liquids or combustible materials 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.
•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.
-- DO NOT RELY ON SMELL ALONE TO DETECT
LEAKS. DUE TO VARIOUS FACTORS, YOU MAY
NOT BE ABLE TO SMELL FUEL GASES.
•U.L. recognized fuel gas and CO detectors are
recommended in all applications, and their
installation should be in accordance with the
manufacturer's recommendations and/or local
laws, rules, regulations, or customs.
-- Installation and service must be performed by a
qualified installer, service agency or the gas
supplier.
Contents
Safety Section
General Information
To Start the Furnace
ProperMaintenance
The Problem Solver
RegularDealer Maintenance
Warranty
DO NOT USE THIS UNIT IF ANY PART HAS BEEN UNDER
WATER. A FLOOD DAMAGED UNIT 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 NECES-
SARY.
FAILURE TO FOLLOW THIS WARNING COULD RESULT IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
IN THE EVENT THAT ELECTRICAL, FUEL OR MECHANICAL
FAILURES OCCUR, THE OWNER SHOULD IMMEDIATELY
TURN OFF THE GAS SUPPLY AT THE MANUAL GAS VALVE
LOCATED IN THE BURNER COMPARTMENT AND ELECTRI-
CAL POWER TO THE FURNACE AND CONTACT SERVICER.
FAILURE TO FOLLOW THIS WARNING COULD RESULT IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
SHOULD OVERHEATING OCCUR, OR THE GAS SUPPLY
FAIL TO SHUT OFF, SHUT OFF THE MANUAL GAS VALVE TO
THE FURNACE BEFORE SHUTTING OFF THE ELECTRICAL
SUPPLY.
FAILURE TO FOLLOW THIS WARNING COULD RESULT IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.

User's Information
The following warning complies with State of California law, Proposition 65.
THIS PRODUCT CONTAINS FIBERGLASS WOOL INSULATION!
Fiberglass dust and ceramic fibers are believed by the State of California to cause cancer through inhalation.
Glasswool fibers may also cause respiratory, skin, or eye irritation.
PRECAUTIONARY MEASURES
•Avoid breathing fiberglass dust.
• Use a NIOSH approved dust/mist respirator.
• Avoid contact with the skin or eyes. Wear long-sleeved,
loose-fitting clothing, gloves, and eye protection.
• Wash clothes separately from other clothing: rinse
washer thoroughly.
• Operations such as sawing, blowing, tear-out, and
spraying may generate fiber concentrations requiring
additional respiratory protection. Use the appropriate
NIOSH approved respirator in these situations.
FIRST AID MEASURES
Eye Contact -Flush eyes with water to remove dust.
If symptoms persist, seek medical
attention.
Skin Contact - Wash affected areas gently with soap
and warm water after handling.
CARBON MONOXIDE POISONING HAZARD
FAILURE TO FOLLOW THE INSTALLATION AND OPERATION
INSTRUCTIONS FOR THE VENTING SYSTEM'S OPERATION
COULD RESULT IN CARBON MONOXIDE POISONING OR
DEATH.
BODILY INJURY CAN RESULT FROM HIGH VOLTAGE
ELECTRICAL COMPONENTS, FAST MOVING FANS, AND
COMBUSTIBLE GAS. DURING INSTALLATION AND
SERVICING, THE ELECTRICAL SUPPLY MUST BE DIS-
CONNECTED AND THE MAIN GAS VALVE MUST BE
TURNED OFF.
FAILURE TO FOLLOW THIS WARNING COULD RESULT IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
Do NOT attempt to manually light the furnace.
High Voltage is present within the air cleaner for operation.
Turn the power off and wait at least 15 seconds to allow
voltage to discharge.
If the furnace is shut down during the cold weather months,
provisions must be taken to prevent freeze-up of all water
pipes and water receptacles.
TO PREVENT INJURY OR DEATH DUE TO CONTACT
WITH MOVING PARTS, TURN THE POWER TO THE
FURNACE OFF BEFORE CLEANING OR SERVICING THE
WHOLE HOUSE AIR CLEANER.
FAILURE TO FOLLOW THIS WARNING COULD RESULT IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
RISK OF ELECTRIC SHOCK:
THESE SERVICING INSTRUCTIONS ARE FOR USE BY
QUALIFIED PERSONNEL ONLY. TO REDUCE THE RISK
OF ELECTRIC SHOCK, DO NOT PERFORM ANY
SERVICING OTHER THAN THAT CONTAINED IN THESE
OPERATING INSTRUCTIONS UNLESS YOU ARE
QUALIFIED TO DO SO.
FAILURE TO FOLLOW THIS WARNING COULD RESULT IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
Never operate your unit for either heating or cooling with
filters removed.
Do NOT touch igniter. It is extremely hot.
The combustion air for your furnace must be fresh uncon-
taminated air. Paints, varnishes, laundry bleaches, deter-
gents, many household cleaners, water softening salts,
adhesives, and all such products release fumes containing
compounds which could lead to early heat exchanger and
vent system deterioration. Do NOT store these types of
products near your furnace.
© 2008 Trane 32-5052-02

User's Information
General Information
BODILY INJURY CAN RESULT FROM HIGH VOLTAGE
ELECTRICAL COMPONENTS, FAST MOVING FANS, AND
COMBUSTIBLE GAS. DURING INSTALLATION AND
SERVICING, THE ELECTRICAL SUPPLY MUST BE DIS-
CONNECTED AND THE MAIN GAS VALVE MUST BE
TURNED OFF.
FAILURE TO FOLLOW THIS WARNING COULD RESULT IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION,
SERVICE OR MAINTENANCE CAN CAUSE INJURY OR
PROPERTY DAMAGE. FOR ASSISTANCE OR ADDITIONAL
INFORMATION CONSULT A QUALIFIED INSTALLER, SER-
VICE AGENCY OR THE GAS SUPPLIER.
FAILURE TO FOLLOW THIS WARNING COULD RESULT IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
The combustion air for your furnace must be fresh uncon-
taminated air. Paints, varnishes, laundry bleaches, deter-
gents, many household cleaners, water softening salts,
adhesives, and all such products release fumes containing
compounds which could lead to early heat exchanger and
vent system deterioration. Do NOT store these types of
products near your furnace.
IMPORTANT FACTS
This unit is equipped with an integrated high efficiency whole
house electronic air cleaner. Careful consideration must be
taken in the installation process to avoid personal injury or
equipment damage. These instructions do not cover all
variations in systems or provide for every possible contin-
gency. Should further information be desired or particular
problems arise which are not covered suffÉciently by this
manual, contact your local distributor or the manufacturer as
listed on the furnace nameplate.
The flow of combustion and ventilating air must not be
obstructed from reaching the furnace. Air openings provided
in the casing of the furnace must be kept free of obstructions
which would restrict airflow, thereby affecting efficiency and
safe operation of your furnace.
Also, air openings provided to the area in which the furnace is
installed and the space around the furnace shall not be blocked
or obstructed. Keep this in mind should you choose to remodel
the area which contains your furnace. If additional insulation is
added after the furnace is installed, the area around the
furnace must be inspected to ensure it is free and clear of
insulation. If this furnace is installed in an attic or other
insulated space it must be kept free and clear of all insulating
materials as some insulating materials are combustible.
Never stop the heating system by shutting off
the main power.
Furnaces must have air for proper performance. There must
be a free flow of fresh air sufficient for efficient combustion
and safe ventilation of your furnace.
Never store gasoline, combustible materials, or other
flammable liquids or vapors near your furnace.
Carbon monoxide, fire or smoke can cause serious bodily
injury, death, and!or property damage.
A variety of potential sources of carbon monoxide can be found
in a building or dwelling such as gas-fired clothes dryers, gas
cooldng stoves, water heaters, furnaces and fireplaces. The
U.S. Consumer Product Safety Commission recommends
that users of gas-burning appliances install carbon monoxide
detectors as well as fire and smoke detectors, listed by a
nationally recognized agency (e.g. Underwriters Laboratories
or International Approval Services), to help alert dwelling
occupants of the presence of fire, smoke or unsafe levels of
carbon monoxide.
NOTE: The manufacturer of your furnace does not test any
detectors and makes no representations regarding any
brand or type of detector.
Installing and servicing heating equipment can be hazardous
due to gas and electrical components. Only trained and
qualified personnel should install, repair or service heating
equipment.
Untrained personnel can perform basic maintenance func-
tions such as cleaning the whole house air cleaner COLLEC-
TION CELL. All other operations must be performed by
trained service personnel.
Parts and controls of this furnace are unique. Should service
or modification be required, be sure your servicer uses only
factory authorized parts, kits, or accessories for this furnace.
If you experience a problem with the operation of your furnace,
check the "Problem Solver" section of this manual before you
call for a possibly unneeded service call.
32-5052-02 3

User's Information
To Start the Furnace
Lighting instructions.
Your furnace does not use a continuously burning pilot flame.
Therefore, manually lighting your furnace is not required.
Your furnace is equipped with an automatic ignition system. It
uses a hot surface ignition device that automatically lights the
burners each time the thermostat signals the furnace to start.
Do NOT attempt to manually light the furnace.
If the furnace is shut down during the cold weather months,
provisions must be taken to prevent freeze-up of all water
pipes and water receptacles.
1. Please read all safety information in this book before
operating furnace.
2. Set thermostat to lowest setting. Turn off all electric
power to furnace.
3. Remove the furnace front panel to gain access to the
main gas valve.
4. Turn gas cock knob clockwise or the toggle switch located
on the main gas valve inside the unit to "OFF" position
(see illustration on this page). If external gas cock is
used, turn to "OFF" position (see illustration on next
page). Allow 5 minutes for any gas within the unit to
escape. LP gas being heavier than air may require forced
ventilation. If you smell gas STOP! Follow the "What
To Do If You Smell Gas" instructions on the front
cover of this book. If you don't smell gas, go to next
step,
5. Turn gas cock knob counterclockwise or the toggle switch
to "ON" marker (see illustration on this page). Turn the
external gas cock back to the on position if you expect the
furnace to light.
6. Replace the furnace front access panel.
7. Turn on main electrical supply and set thermostat to
desired setting. Combustion blower will start and ignition
device will start to heat up. After approximately 15 sec-
onds main gas valve will open and burners will ignite.
8. When thermostat is satisfied, main burners will
extinguish.
9. Restore electrical supply panel. If main burners fail to
ignite, lower Comfort Control setting or disconnect
electrical supply, wait 5 minutes, raise Comfort Control
setting above indicated temperature.
10. If furnace will not light, turn "OFF" all gas and electricity
to unit and call servicer or gas supplier.
For complete shutdown.
Turn gas cock knob on main gas valve to "OFF" position.
Disconnect electrical supply to unit.
Whenever your house is to be vacant, arrange to have some-
one inspect your house for proper temperature. If your furnace
should fail to operate, damage could result, such as frozen
water pipes.
Flame Roll-out Device.
All models are equipped with a manual resetting roll-out
switch located near the burners. In case of flame roll-out, the
switch trips automatically shutting off all flow of gas. The
switch must be manually reset by pressing the red reset
button on the top of the switch.
Inlet Pressure
Boss(opt.)
Outlet Pressure Boss
\\
On/Off Switch
Regulator
Adjust
On/Off Switch
Your furnace may have a "Knob Switch" or a "Toggle Switch" to turn the gas ON or OFF.
4 32-5052-02

User's Information
NOTE THE LOCATION OF THE MANUAL MAIN GAS SHUTOFF VALVE FOR YOUR FURNACE.
Have your installer or servicer show you the location if you have any questions.
LEFT SIDE PIPING (STANDARD)
MANUAL MAIN
SHUTOFF,_
GROUND
UNION JOINT
WITH MANUAL SHUTOFF
RIGHT SIDE PIPING (OPTIONAL)
SHUTOFF VALVE
UNION JOINT
WITH MANUAL SHUTOFF
TOP VIEW OF RIGHT SIDE PIPING
F'-_I_ t LIJI;I_I
o@ 2[] I
J
UPFLOW FURNACE Manual Main Gas Shut-off Valve
May Be Located on the Left or Right Side
HORIZONTAL FURNACE Manual Main Gas Shut-off
Valve May Be Located on the Top or Bottom Side
AIR FLOW
MAIN MANUAL
SHUTOFF VALVE
GROUND UNION
JOINT
AUTOMATIC GAS VALVE
WITH MANUAL SHUTOFF
DRIP LEG
GROUND UNION
MAIN MANUAL
SHUTOFF VALVE
AIR FLOW
DRIP LEG
AUTOMATIC GAS VALVE
WITH MANUAL SHUTOFF
HORIZONTAL FURNACE GAS PIPING MAY BE FROM EITHER SIDE
(Typical UPFLOW Furnace in horizontal configuration shown)
32-5052-02 5

User's Information
Proper Maintenance
WHOLE HOUSE AIR CLEANER
Never operate your unit for either heating or cooling with
filters removed.
NOTE: Whole House Electronic Air Cleaners are included
with all of the Integrated Furnaces.
A clean filter saves money.
When the furnace circulates and filters the air in your home,
dust and dirt particles build up on the filter. Excessive
accumulation can block the airflow, forcing the unit to work
harder to maintain desired temperatures.
And the harder your unit has to work, the more energ7 it uses.
So you pay more any time your system is running with a dirty
filter.
WHOLE HOUSE AIR CLEANER
MAINTENANCE
1. For maximum efficiency the COLLECTION CELL should
be inspected and cleaned on a regular basis.
IMPORTANT: A 30 to 90 day cleanin9 interval
is normal for the COLLECTION CELL and
should be adjusted based upon unit run time
and the home environment.
2. The FIELD CHARGER must be removed and cleaned
only by a qualified service professional.
3. The FIELD CHARGER must be cleaned at least once a
year.
4. The FIELD CHARGER may require more frequent
cleaning in homes with high indoor relative humidity
(greater than 65% RH).
5. Consult your service professional about cleaning inter-
vals.
TO PREVENT INJURY OR DEATH DUE TO CONTACT
WITH MOVING PARTS, TURN THE POWER TO THE
FURNACE OFF BEFORE CLEANING THE WHOLE HOUSE
AIR CLEANER COLLECTION CELL.
FAILURE TO FOLLOW THIS WARNING COULD RESULT IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
RISK OF ELECTRIC SHOCK: THESE SERVICING
INSTRUCTIONS ARE FOR USE BY QUALIFIED
PERSONNEL ONLY. TO REDUCE THE RISK OF
ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING
OTHER THAN THAT CONTAINED IN THESE OPERATING
INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO
SO.
FAILURE TO FOLLOW THIS WARNING COULD RESULT IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
High Voltage is present within the air cleaner for operation.
Turn the power off and wait at least 15 seconds to allow
voltage to discharge.
NOTE: System Information
Before cleaning the coil or ducts in the furnace, remove
the COLLECTION CELL and FIELD CHARGER from the air
cleaner. Chemicals used during the cleaning of the
Furnace, or ductwork can damage the air cleaner
components and degrade the performance of the air
cleaner.
CLEANING THE COLLECTION CELL
1. Turn the air conditioning system off at the Comfort
Control and turn off service disconnect.
2. Remove Blower Door.
3. Slide COLLECTION CELL out of Furnace.
CLEANING
The COLLECTION CELL may be cleaned either by
vacuuming (recommended method) or by washing.
VACUUM CLEANING
Remove the COLLECTION CELL from the conditioned
space before vacuuming. Vacuum both sides of the
COLLECTION CELL to clean.
WASHING
Use low-pressure water spray, such as a sink sprayer or
garden hose to clean the COLLECTION CELL. Some
residue may require warm water to be removed.
•Do NOT use soap or detergent in cleaning the
COLLECTION CELL.
•Do NOT immerse the COLLECTION CELL
completely in water.
•Do NOT place the COLLECTION CELL INto a
dishwasher to clean.
•ALLOW THE COLLECTION CELL TO DRY
THOROUGHLY BEFORE REINSTALLING.
Slightly tap the COLLECTION CELL to remove water
retained in the filter. Allow the COLLECTION CELL to
dry thoroughly before reinstalling.
6 32-5052-02

User's Information
The Problem Solver
CARBON MONOXIDE POISONING HAZARD
Do NOT attempt to change the venting system.
Failure to follow the installation and operation instructions
for the venting system's operation could result in carbon
monoxide poisoning or death.
A furnace is not a household appliance. It is complex and
requires professional maintenance and repair.
That's why attempts at "do-it-yourself' repairs on an in-
warranty unit may void the remainder of your warranty.
Other than performing the simple maintenance recom-
mended in this manual, you should not attempt to make any
adjustments to your furnace. Your dealer will be able to take
care of any questions or problems you may have. A periodic
inspection of your furnace should be made by a qualified
service agency at the start of each heating season.
Keep your furnace looking like new for years.
Clean the enamel finish of your furnace with ordinary soap
and water. For stubborn grease spots, use a household
detergent. Lacquer thinner or other synthetic solvents may
damage the finish.
Save time and money. Before calling for service, check the following:
Possible Trouble
1. Thermostat set incorrectly.
2. Blown fuse or tripped
circuit breaker.
3. Failed component.
Problem
No Heating -
Blower does not operate.
4. Burner does not ignite.
5. Main gas line turned off.
6. Blower door removed or ajar.
7,
Insufficient Heating - 1.
Blower operates continuously. 2.
No Heat - Vent motor is running.
Unusual Noise
Lockout
Dirty air filtration system.
Blocked supply or return
registers.
Restricted or plugged furnace
Condensate drain.
Possible Remedy
1. Adjust thermostat. See operating instructions.
2. Replace or reset protective device or call for
servicer.
3. Most controls are automatic and will recycle. If
your unit still does not operate call for servicer.
4. Call servicer.
5. Have gas company check.
6. Close door securely to restore power to
blower and gas valve.
7. Turn power on-off-on-off twice in 30 seconds.
1. Clean Whole House Electronic Air Cleaner
COLLECTION CELL.
2. Make sure registers are open and
No obstacles blocking off the air.
1. Remove drain clamps to condensate trap
and drain pan outlet.
2. Flush or clean drain blockage.
3. Reinstall clamps.
Call your servicer
32-5052-02 7

User's Information
Regular Dealer Maintenance
The following warning complies with State of California law, Proposition 65.
HAZARDOUS GASES!
EXPOSURE TO FUEL SUBSTANCES OR BY-PRODUCTS
OF INCOMPLETE FUEL COMBUSTION IS BELIEVED BY
THE STATE OF CALIFORNIATO CAUSE CANCER, BIRTH
DEFECTS_ OR OTHER REPRODUCTIVE HARM.
Regular maintenance to be performed by a qualified service
professional ONLY.
Unit is equipped with a blower door switch which cuts power
to blower and gas valve causing shutdown when door is
removed. Unit must not be altered to allow operation with
the blower door removed. Operation with doors removed or
ajar can permit the escape of dangerous fumes. All panels
must be securely closed at all times for safe operation of
the furnace.
IN THE EVENT THAT ELECTRICAL, FUEL OR MECHANICAL
FAILURES OCCUR, THE OWNER SHOULD IMMEDIATELY
TURN OFF THE GAS SUPPLY AT THE MANUAL GAS VALVE
LOCATED IN THE BURNER COMPARTMENT AND ELECTRI-
CAL POWER TO THE FURNACE AND CONTACT SERVICER.
FAILURE TO FOLLOW THIS WARNING COULD RESULT IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
SHOULD OVERHEATING OCCUR, OR THE GAS SUPPLY
FAIL TO SHUT OFF, SHUT OFF THE MANUAL GAS VALVE TO
THE FURNACE BEFORE SHUTTING OFF THE ELECTRICAL
SUPPLY.
FAILURE TO FOLLOW THIS WARNING COULD RESULT IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
Do NOT touch igniter. It is extremely hot.
1. GENERAL INSPECTION - Examine the furnace
installation for the following items:
a. All flue product carrying areas external to the furnace
(i.e. chimney, vent connector) are clear and free of
obstruction.
b. The vent connector is in place, slopes upward and is
physically sound without holes or excessive corrosion.
c. The return air duct connection(s) is physically sound,
is sealed to the furnace and terminates outside the
space containing the furnace.
d. The physical support of the furnace should be sound
without sagging, cracks, gaps, etc., around the base so
as to provide a seal between the support and the base.
e. There are no obvious signs of deterioration of the
furnace.
2. BLOWERS - The blower size and speed determine the
air volume delivered by the furnace. The blower motor
bearings are factory lubricated and under normal
operating conditions usually do not require servicing.
Annual cleaning of the blower wheel and housing is
recommended for maximum air output, and this must be
performed only by a qualified servicer or service agency.
3. IGNITER - This unit has a special hot surface direct
ignition device that automatically lights the burners.
Please note that it is very fragile and should be handled
with care.
4. BURNER - Gas burners do not normally require sched-
uled servicing, however, accumulation of foreign material
may cause a yellowing flame or delayed ignition. Either
condition indicates that a service call is required. For
best operation, burners must be cleaned annually using
brushes and vacuum cleaner.
Turn off gas and electric power supply. To clean burners,
remove top burner bracket and lift burner from orifice.
NOTE: Be careful NOT to break igniter when removing
burners.
Clean burners with brush and!or vacuum cleaner. Reassemble
parts by reversal of the above procedure.
NOTE: On LP (propane) units, some light yellow tipping of
the outer mantle is normal. Inner mantle should be bright
blue.
Natural gas units should not have any yellow tipped flames.
This condition indicates that a service call is required. For
best operation, burners must be cleaned annually using
brushes and vacuum cleaner.
NOTE: On LP (propane) units, due to variations in BTU
content and altitude, servicing may be required at shorter
intervals.
BURNER
BRACKET
jt_
MANIFOLD
MAIN BURNER
ORIFICE (Typical)
8 32-5052-02

5. HEAT EXCHANGER /FLUE PIPE - These items must
be inspected for signs of corrosion, and!or deterioration
at the beginning of each heating season by a qualified
service technician and cleaned annually for best operation.
6. CIRCUIT PROTECTION - If blower or gas valve fail to
operate, the cause could be the circuit breaker or a loose
or blown fuse. Replace fuse or reset circuit breaker.
7. OPERATION - Your warm air furnace should not be
operated in a corrosive atmosphere. Paint solvents,
cleaning chemicals, spray propellants, and bleaches
should not be used in the vicinity of the furnace during
normal operation.
8. CONDENSATE DRAINS - If you have a cooling coil
installed with your furnace, condensate drains should be
checked and cleaned periodically to assure that conden-
sate can drain freely from coil to drain. If condensate
cannot drain freely water damage could occur.
9. AIR CIRCULATION - To ensure increased comfort, the
blower on this unit may be operated continuously for both
heating and cooling. This will result in constantly filtered
air and aid in maintaining more even temperatures by
avoiding temperature stratification throughout the
conditioned area. To accomplish constant air circulation,
set your thermostat fan switch to "ON". Continuous fan
mode during cooling operation may not be appropriate in
humid climates. If the indoor air exceeds 60% relative
humidity or simply feels uncomfortably humid, it is
recommended that the fan only be used in the AUTO
mode.
User's Information
Trane
6200 Troup Highway
Tyler, TX 75707
www.americanstandard.com
For more information contact
your local dealer (distributor)
01/08
Since the manufacturer has a policy of continuous product and product data improvement, it reserves the
right to change design and specifications without notice.
32-5052-02 9

User's Information
Limited Warranty
High Efficiency Induced
Draft Gas Furnace
with Whole House Air Cleaner
UD2
(First letter may may be preceded by an "A" or "T") (Parts Only)
Models Less Than 20 Tons for Residential Use*
This limited warranty is extended by Trane U.S. Inc., to the original purchaser and to any succeeding owner of the real
property to which the Gas Furnace is originally affixed, and applies to products purchased and retained for use within
the U.S.A. and Canada.
If any part of your Gas Furnace fails because of a manufacturing defect within five years from the date of the original
purchase, Warrantor will furnish without charge the required replacement part. Any local transportation, related ser-
vice labor and diagnosis calls are not included.
In addition, if the steel heat exchanger fails because of a manufacturing defect within the sixth through twentieth year
from the date of original purchase, Warrantor will furnish without charge a replacement heat exchanger. Any local trans-
portation, related service labor and diagnosis calls, are not included.
This limited warranty does not cover failure of your gas furnace if it is damaged while in your possession, damage
caused by unreasonable use of the gas furnace and/or damage from failure to properly maintain the gas furnace as
set forth in the Use and Care manual (see Proper Maintenance section).
THE LIMITED WARRANTY AND LIABILITY SET FORTH HEREIN ARE IN LIEU OF ALL OTHER WAR-
RANTIES AND LIABILITIES, WHETHER IN CONTRACT OR IN NEGLIGENCE, EXPRESS OR IMPLIED,
IN LAW OR IN FACT, INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
PARTICULAR USE, AND IN NO EVENT SHALL WARRANTOR BE LIABLE FOR ANY INCIDENTAL OR
CONSEQUENTIAL DAMAGES.
Some states do not allow limitations on how long an implied limited warranty lasts or do not allow the exclusion or limi-
tation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This limited
warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
Parts will be provided by our factory organization through an authorized service organization in your area listed in the
yellow pages. If you wish further help or information concerning this limited warranty, contact:
Trane
P.O. Box 9010, Tyler, TX 75711-9010
Attention: Manager, Field Operations Excellence
Or visit our website: www.trane.com/residential
TW-1033-0408
* This limited warranty is for residential usage of this equipment and not applicable when this equipment is used for a
commercial application. A commercial use is any application where the end purchaser uses the product for other than
personal, family or household purposes.
The limited warranties displayed in this publication and/or on ComfortSite TM
may not accurately reflect the actual limited warranty that shipped with the
product. 21 26-1000-21
Extended warranties are available from the manufacturer through your dealer. The limited warranty is backed by the
manufacturer and any representations made about extending the limited warranty would be backed by the manufacturer if
and only if an extended warranty agreement was received fhom the manufacturer.
10 32-5052-02