American Standard Furnace 32 5037 01 User Manual

32-5037-01  
User’s Information Guide  
High Efficiency Oil Furnaces  
Highboy Vertical, Lowboy Front or Rear Flue,  
Downflow / Horizontal  
GENERAL INFORMATION  
Contents  
Understand the signal words WARNING, AND CAUTION.  
These words are safety alert words. WARNING indicates  
hazards which could result in personal injury or death.  
CAUTION is used to indicate unsafe practices which could  
result in minor injury or property damage.  
Dangers,Warnings & Cautions  
General Information  
To Start the Furnace  
Proper Maintenance  
The Problem Solver  
Regular Dealer Maintenance  
Warranties  
1
1
!
WARNING  
2
DO NOT use this furnace if any component was underwater.  
Immediately call a qualified heating contractor to inspect  
the furnace and replace any part of the furnace control  
system that was underwater.This furnace does not have a  
pilot light. It is equipped with an electronic ignition system  
that automatically lights the burner.  
3
4
5
6-7  
IMPORTANT FACTS  
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.  
The U.S. Consumer Product Safety Commission recommends  
that users of fuel-burning appliances install carbon monoxide  
detectors as well as fire and smoke dectectors, 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.  
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.  
The furnace and venting system require a generous amount  
of clean air to operate safely. Lack of adequate combustion  
and ventilation air can result in erratic operation of the  
burner, noisy and poor combustion, sooting of the combustion  
chamber, and fuel odors in the air. Never block off or restrict  
the supply of air to the furnace.  
NOTE:  
The manufacturer of your furnace does not test any detec-  
tors and makes no representations regarding any brand or  
type of detector.  
Installing and servicing heating equipment can be hazardous  
due to fuel oil and electrical components. Only trained and  
qualified personnel should install, repair or service heating  
equipment.  
The combustion air for your furnace must be fresh unconta-  
minated air. Paints, varnishes, laundry bleaches, detergents,  
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 deteriora-  
tion. Do not store these types of products near your furnace.  
Untrained personnel can perform basic maintenance  
functions such as cleaning and replacing air filters. 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.  
Never store gasoline, combustible materials, or other  
flammable liquids or vapors near your 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.  
!
WARNING  
TO PREVENT AN EXPLOSION OR POSSIBLE INJURY,  
DEATH AND EQUIPMENT DAMAGE, DO NOT STORE  
COMBUSTIBLE MATERIALS, GASOLINE OR OTHER  
FLAMMABLE VAPORS OR LIQUIDS NEARTHE UNIT.  
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  
cooking stoves, water heaters, furnaces and fireplaces.  
 
User’s Information  
Proper Maintenance  
Reduces Energy Use  
Oil Supply  
Help ensure top efficiency by replacing disposable filters once  
a month.  
• If available, the use of ultra-low or low sulfur (less than  
0.0015% S and 0.0015 -0.05% S, by weight, respectively), no. 2  
fuel oil is highly recommended. Low sulfur fuel oil can help to  
significantly reduce instances of blockage and corrosion of  
the oil burner fuel delivery system, including the nozzle, the  
furnace heat exchanger, and the flue gas vent system. These  
benefits can appreciably decrease or eliminate service calls due  
to poor fuel quality. Air pollutants emitted by the furnace as well  
as the typical malodorous smell of oil combustion will also be  
reduced. Consult your fuel oil supplier about the availability of  
low-sulfur, fuel oil.  
Replacing your filter.  
When replacing your furnace filters, always use the same  
size and type as originally supplied. Filters are available  
from your dealer.  
!
WARNING  
Disconnect power to unit before removing blower door.  
Highboy Furnace Filters  
Highboy furnaces typically use a cleanable-type air filter  
located outside the furnace cabinet. The cleanable filter may  
be located in a side filter frame, mounted on the lower  
outside of the furnace cabinet in the cold air return duct or in  
a remotely mounted filter grill. Refer to Filter Table A for the  
correct filter size.  
• DO NOT allow the fuel tank to run completely dry during the  
heating season. If the fuel tank runs completely dry, it may be  
necessary to purge the oil lines of trapped air. If necessary,  
contact a qualified heating dealer to bleed the oil lines and  
restart the burner.  
• During the warmer weather, keep the tank full to prevent  
condensation of moisture on the inside surface of the tank. The  
presence of moisture in the tank supports the growth of biologi  
cal fuel contaminants (bacteria, mold, fungus, yeast, etc.).  
• Keep the cap on the fuel tank fill pipe tightly closed at all  
times to prevent the entrance of moisture, foreign matter,  
insects, etc. Consider adding a guard or filter to the tank vent  
pipe to reduce the entrance of water and foreign matter into the  
tank. Also, check the tank, vent, and fill pipe for cracks and  
leaks. Have any necessary tank repairs performed as soon as  
possible.  
• Annually, have a bottom sample from the fuel oil tank taken  
for analysis. If present in excessive quantities, sludge and water  
should be removed. Fuel oil additives may be of benefit in  
helping to resolve some problems that are indicated by the  
analysis. In severe cases, tank cleaning may be required.  
Consult your fuel oil supplier for recommendations.  
Downflow / Horizontal Furnace Filters  
Downflow/Horizontal furnaces typically use disposable filters  
located outside the furnace cabinet. The filters may be  
located remote to the furnace or in the return air duct near  
the furnace. The filter grille could be in a hallway, wall, or in  
the ceiling. Check with your dealer for the exact location,  
type and size of your filter and the method of changing the  
filters.  
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.  
The harder your unit has to work, the more energy it uses.  
You pay more any time your system is running with a dirty  
filter.  
!
CAUTION  
BURN HAZARD - ROTATING FAN BLADES  
To avoid injury from moving parts, hot surfaces, or electri-  
cal shock, shut off the power to the furnace and allow the  
furnace to cool BEFORE removing any furnace access  
doors to service air filters.  
!
CAUTION  
Never operate your unit for either heating or cooling with  
filters removed.  
32-5037-01  
3
 
User’s Information  
FILTER TABLE A  
REQUIRED FILTERS  
FURNACE MODEL  
*HV1MO87  
FILTER QUANTITY & SIZE  
1 - 16" X 25" X 1"  
2 - 10" X 20" X 1"  
2 - 10" X 20" X 1"  
NOT SUPPLIED  
*LF1MO87  
*LR1MO87  
*DF1MO87  
Front flue model shown  
Lowboy Furnace Filters  
The Lowboy furnace typically uses a cleanable-type air filter  
which may be located within the furnace blower compart-  
ment or in a remotely mounted filter grill. Refer to Filter  
Table A for the correct filter size.  
!
WARNING  
• The area around the furnace should be kept free and clear  
of flammable vapors, liquids, and material, especially  
papers and rags.  
To replace filters located inside the blower compartment:  
1. Turn off all power to the furnace before removing the  
blower door.  
• NEVER burn garbage or refuse in the furnace. NEVER try  
to ignite oil by tossing burning papers or other material into  
the furnace.  
2. Remove blower access door and remove the soiled filter(s).  
3. Replace the filter(s) in the same manner as removed  
making sure that the filter(s) is secured in place.  
• This oil furnace is designed to burn No. 2 distillate fuel  
(home heating) oil ONLY. NEVER USE GASOLINE OR A  
MIXTURE OF OIL AND GASOLINE.  
4. Replace blower access door.  
4. Restore power to furnace.  
• DO NOT attempt to make repairs to the furnace yourself!  
The Problem Solver  
A furnace is not a household appliance. It is complex and  
requires professional maintenance and repair.  
care of any questions or problems you may have. A periodic  
inspection of your furnace should be made by a qualified  
servicer at the start of each heating season.  
That’s why attempts at “do-it-yourself” repairs on an in-  
warranty unit may void the remainder of your warranty.  
Keep your furnace looking like new for years.  
Clean the enamel finish of your furnace with a damp cloth  
and a mild soap. For stubborn grease spots, use a mild  
household detergent. Lacquer thinner or other synthetic  
solvents may damage the finish.  
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  
Save time and money. Before calling for service, check the following:  
Problem  
Possible Trouble  
Possible Remedy  
1. Thermostat set incorrectly.  
1.Adjust thermostat. See operating instructions.  
No Heating –  
2. Blown fuse or tripped  
circuit breaker.  
2.Replace or reset protective device or call for  
servicer.  
3. Defective component.  
4. Burner does not ignite.  
5. Main fuel oil valve turned off.  
6. Lockout  
3.If your unit still does not operate call for Ser-  
vice.  
4.Call servicer.  
5.Have fuel oil supplier check.  
6.Adjust thermostat to lowest temperature  
Setting. - Turn thermostat OFF.  
- Press reset button on burner one time.  
- Turn thermostat ON.  
- Adjust temperature to desired setting.  
DO NOT ATTEMPT TO RESET BURNER  
MORE THAN 3 TIMES! Call for Service.  
1.Dirty air filters.  
Insufficient Heating –  
Blower operates continuously.  
1.Clean or replace filters.  
2.Blocked supply or return  
registers.  
2.Make sure registers are open and  
No obstacles blocking off the air.  
Unusual Noise  
Call your servicer  
4
32-5037-01  
 
User’s Information  
Regular Dealer Maintenance  
1.GENERAL INSPECTION –  
6. CIRCUIT PROTECTION – If blower or oil burner fail to  
During startup and regular annual mantenance, a heating  
dealer should inspect the furnace installation for the follow-  
ing items:  
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.  
• The exterior of the furnace should be inspected for signs  
ofexcessive heat such as discoloration of materials and  
damage from rust or corrosion.  
• Confirm the base or frame supporting the furnace is level  
and in sound condition.  
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.  
• Signs of excessive rust, corrosion pitting, and holes.  
• Signs of condensation or moisture leakage (sometimes  
indicated by soot or condensate streaks).  
Never stop the cooling system  
by shutting off the main power.  
• Evidence of structural damage, and loose or disconnected  
piping joints.  
If the main power to your air conditioner is ever disconnected  
for more than three hours, turn off the thermostat. Then wait  
for at least three more hours after the power has been  
restored before turning the thermostat back on. Failure to  
follow this procedure could result in damage to your air  
conditioning system.  
• Free movement of the vane of the barometric damper  
without binding or interference. If any problems are  
evident, make repairs immediately. Do not operate the  
furnace until repairs are made.  
• The furnace flue pipe, vent connector, barometric damper,  
and chimney should be inspected for:  
NOTICE: A qualified heating dealer MUST service the  
oil burner and inspect the heat exchanger in this  
furnace at least once a year.  
a. All flue product carrying areas external to the furnace  
(i.e. chimney, vent connector) are clear and free of  
obstruction.  
To successfully service this oil furnace, the following  
recently (within the last year) calibrated instruments  
must be available.  
• Smoke spot test kit with Bacharach-type oil burner  
smoke scale  
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.  
• Carbon dioxide (CO2) and carbon monoxide (CO) test kit  
or analyzer  
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.  
• Flue gas temperature measuring instrument  
• Draft gauge, capable of measuring 0.01 to 0.25 in. W.G.  
draft (Draft is the pressure differential between the static  
pressure measured in the vent pipe, or just above the  
combustion chamber, and the indoor atmospheric  
pressure. Under normal operating conditions, it will have  
a negative value, i.e. the pressure in the combustion  
chamber and the vent system are less than room air  
pressure.)  
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 do not require servicing. Annual  
cleaning of the blower wheel and housing is recom-  
mended for maximum air output, and this must be  
performed only by a qualified servicer or service agency.  
• Multimeter (analog or digital type)  
• Oil pressure gauge, capable of measuring at least 0 to  
200 PSIG  
3. BURNER – Burner Compartment: On the highboy and  
lowboy furnace models, the burner compartment can be  
inspected by removing the front door of the furnace.  
Look for signs of excessive heat, such as discoloration of  
components, damage to material from rust or corrosion,  
soot or carbon build-up, and evidence of fuel oil leakage.  
• Burner electrode and nozzle setting gauge  
Be familiar with the correct operation of these  
instruments as well as how to adjust the oil burner  
settings (refer to burner manufacturer’s literature).  
4. 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 opera-  
tion.  
!
WARNING  
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.  
!
WARNING  
Failure to follow these instructions may result in fire or  
explosion causing property damage, personal injury, or  
loss of life.  
32-5037-01  
5
 
User’s Information  
Limited Warranty  
High Efficiency Oil Furnace  
HV, LR, LF and DF (Parts Only)  
(First letter may be preceded by an “A” or “T”)  
Models Less Than 20 Tons for Residential Use*  
This limited warranty is extended by American Standard Inc., to the original purchaser of the specified models for his  
or her lifetime under the conditions set forth below or to any succeeding owner for a period of twenty (20) years from  
the date of installation for the original owner. This limited warranty applies to products purchased and retained for use  
within the U.S.A. and Canada.  
Limited Warranty  
If any part of your furnace fails because of a manufacturing defect within five (5) years from the date of original  
purchase, Warrantor will furnish without charge the required replacement part F.O.B. nearest Parts Distribution point.  
Any local transportation, related service labor, air filters, and diagnosis calls, are not included.  
Limited Lifetime Warranty  
The primary heat exchanger when installed to serve a single family residence or single condominium is warranted to  
the original purchaser for use during his or her lifetime, provided the dwelling is the original purchaser’s primary,  
uninterrupted residence from the date of purchase until discovery or notice of a defect in the primary heat exchanger.  
The primary heat exchanger is warranted to a successor purchaser for a period of twenty (20) years from the date of  
original installation of the furnace, subject to verification of original installation date. Warrantor WILL AT ITS OPTION  
provide either a heat exchanger without charge F.O.B. nearest Parts Distribution point, or allow a credit in the amount  
of the then current wholesale price of an equivalent heat exchanger toward the purchase price of a comparable  
heating unit. Any local transportation, related service labor, air filters, and diagnosis calls, are not included.  
This limited warranty does not cover failure of your oil furnace if it is damaged while in your possession, damage  
caused by unreasonable use of the oil furnace and/or damage from failure to properly maintain the oil 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  
WARRANTIES 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  
limitation 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. If you wish  
further help or information concerning this limited warranty, contact:  
American Standard Inc.  
Troup Highway  
Tyler, TX 75711-9010  
Attention: Manager, Field Operations Excellence  
GW-640-3304  
* 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.  
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 from the manufacturer.  
6
32-5037-01  
 
User’s Information  
Limited Warranty  
High Efficiency Oil Furnace  
HV, LR, LF and DF (Parts Only)  
(First letter may be preceded by an “A” or “T”)  
Models Less Than 20 Tons for Commercial Use*  
This warranty is extended by American Standard Inc., to the original purchaser and to any succeeding owner of the  
real property to which the Oil Furnace is originally affixed, and applies to products purchased and retained for use  
within the U.S.A. and Canada. There is no warranty against corrosion, erosion or deterioration.  
If any part of your Oil Furnace fails because of a manufacturing defect within one year from the date of the original  
purchase, Warrantor will furnish without charge the required replacement part.  
This limited warranty does not cover failure of your oil furnace if it is damaged while in your possession, damage  
caused by unreasonable use of the oil furnace and/or damage from failure to properly maintain the oil furnace as  
set forth in the Use and Care manual (see Proper Maintenance section).  
In addition, if the steel heat exchanger fails because of a manufacturing defect within the second through twentieth  
year from the date of original purchase, Warrantor shall furnish without charge a replacement heat exchanger.  
Warrantor’s obligations and liabilities under this warranty are limited to furnishing F.O.B. Warrantor factory or  
warehouse replacement parts for Warrantor’s products covered under this warranty. No liability shall attach to  
Warrantor until products have been paid for and then liability shall be limited solely to the purchase price of the  
equipment under warranty shown to be defective.  
THE WARRANTY AND LIABILITY SET FORTH HEREIN ARE IN LIEU OF ALL OTHER  
WARRANTIES 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 warranty lasts or do not allow the exclusion or limitation of  
incidental or consequential damages, so the above limitation or exclusion may not apply to you.This warranty gives  
you specific legal rights, and you may also have other rights which vary from state to state.  
American Standard Inc.  
Troup Highway  
Tyler, TX 75711-9010  
Attention: Manager, After Sales Support  
GW-641-3304  
* This warranty is for commercial usage of said equipment and not applicable when the equipment is used for a  
residential application. Commercial use is any application where the end purchaser uses the product for other than  
personal, family or household purposes.  
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 from the manufacturer.  
32-5037-01  
7
 
American Standard Inc.  
6200Troup Highway  
Tyler,TX 75707  
Since the manufacturer has a policy of continuous product and product data improvement, it reserves the right to  
change design and specifications without notice.  
For more information contact  
your local dealer (distributor)  
 

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