American Standard 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
Understand the signal words WARNING, AND CAUTION.
These words are safety alert words. WARNING indicates
hazards which
CAUTION is used to indicate unsafe practices which could
result in minor injury or property damage.
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.
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.
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.
The combustion air for your furnace must be fresh uncontaminated 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 deterioration. Do not store these types of products near your furnace.
Never store gasoline, combustible materials, or other
flammable liquids or vapors near your furnace.
TO PREVENT AN EXPLOSION OR POSSIBLE INJURY,
DEATH AND EQUIPMENT DAMAGE, DO NOT STORE
COMBUSTIBLE MATERIALS, GASOLINE OR OTHER
FLAMMABLE VAPORS OR LIQUIDS NEAR THE UNIT.
could result in personal injury or death.
!
WARNING
▲
!
WARNING
▲
Contents
Dangers, Warnings & Cautions 1
General Information 1
To Start the Furnace 2
Proper Maintenance 3
The Problem Solver 4
Regular Dealer Maintenance 5
Warranties 6-7
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.
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 fuel oil and electrical components. Only trained and
qualified personnel should install, repair or service heating
equipment.
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.
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.
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
!
WARNING
▲
BODILY INJURY CAN RESULT FROM HIGH VOLTAGE
ELECTRICAL COMPONENTS, FAST MOVING FANS, AND
COMBUSTIBLE FUEL OIL. FOR PROTECTION FROM
THESE INHERENT HAZARDS DURING INSTALLATION
AND SERVICING, THE ELECTRICAL SUPPLY MUST BE
DISCONNECTED AND THE MAIN FUEL OIL VALVE MUST
BE TURNED OFF.
To Start the Furnace
!
WARNING
▲
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. Refer to
the installation instructions provided with the oil furnace
and this manual. For assistance or additional information
consult a qualified installer, service agency or the fuel oil
supplier.
Lighting instructions.
Your oil furnace does not use a continuously burning pilot
flame. Therefore, manually lighting your furnace is not
required. Your furnace is equipped with an automatic spark
ignition system that automatically lights the burner each
time the thermostat signals the furnace to start.
!
WARNING
▲
Do not attempt to manually light the furnace.
TO OPERATE THIS FURNACE:
1) Adjust the room thermostat to the lowest setpoint and set
the operating mode, if equipped, to “OFF”.
2) Turn off all electric power to the furnace at the disconnecting switch.
3) Turn the manual oil shutoff valve to the open or “ON”
position.
4) This furnace is equipped with an electronic ignition
system that automatically lights the burner. DO NOT
try to light the burner by hand.
5) Turn on the electric power to the furnace at the disconnecting switch.
6) Adjust the room thermostat to the desired setpoint and set
the operating mode, if equipped, to “HEAT”.
7) If the furnace will not operate, call a qualified heating
dealer for service.
WHAT TO DO IN THE EVENT OF AN OIL LEAK:
• Do not try to operate this or any other nearby appliance.
• If present, close the manual oil shutoff valve on the fuel oil
supply line.
• Immediately call a qualified heating dealer for service.
• If you cannot reach a qualified heating dealer, call the fuel oil
supplier or the fire department.
NOTICE: A qualified heating dealer MUST service the
oil burner and inspect the heat exchanger in this
furnace at least once a year.
TO INTERRUPT (STOP) OPERATION OF THIS FURNACE:
1) Adjust the room thermostat to the lowest setpoint and set
the operating mode, if equipped, to “OFF”.
2) If service will be performed, turn off all electric power to
the furnace at the disconnecting switch.
3) Turn the manual oil shutoff valve to the closed or “OFF”
position.
Extended Shutdown
If the furnace will be shutdown for an extended period of
time:
1) Adjust the room thermostat to the lowest set point and set
the operating mode, if equipped, to “OFF”.
2) Open the disconnecting switch serving the furnace.
3) Close the manual oil shutoff valve.
!
CAUTION
▲
If this is done during the cold weather months, provisions
must be taken to prevent freeze-up of all water pipes and
water receptacles.
4) To promote smooth startup and nuisance free operation,
fuel oil quality must be maintained at a high level. In
cases where biological contamination of the fuel oil tank
is evident or suspected, consider treating the fuel oil
with a biocide approved for fuel oil applications. In
addition, for non-low sulfur fuel oils, an antioxidant
additive may be beneficial in promoting fuel stability.
After adding any fuel oil treatment, completely fill the
oil tank to promote mixing of the additive with the fuel.
Whenever your house is to be vacant, arrange to have
someone inspect your house for proper temperature. If your
furnace should fail to operate, damage could result, such as
frozen water pipes.
© 2004 American Standard Inc. All Rights Reserved 32-5037-01
User’s Information
Proper Maintenance
Reduces Energy Use
Oil Supply
• 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.
• 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.
Help ensure top efficiency by replacing disposable filters once
a month.
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.
• 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.
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 electrical 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.
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.
32-5037-01 3
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