American Standard Gas Furnaces User Manual

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7
User’s Information
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.
Regular Dealer Maintenance
Never  stop the cooling system
by shutting off the main power.
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.
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.
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 California to 
cause cancer, birth defects, or other reproductive harm.
WARNING
!
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.
WARNING
!
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 opera-
tion 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.
WARNING
!
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.