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WARNING
PROPOSITION 65: This appliance con-
tains fiberglass insulation.
Respirable particles of fiberglass
are known to the State of California
to cause cancer.
All manufacturer products meet cur-
rent Federal OSHA Guidelines for
safety. California Proposition 65
warnings are required for certain
products, which are not covered by
the OSHA standards.
California's Proposition 65 requires
warnings for products sold in
California that contain or produce
any of over 600 listed chemicals
known to the State of California to
cause cancer or birth defects such
as fiberglass insulation, lead in
brass, and combustion products
from natural gas.
All "new equipment" shipped for
sale in California will have labels
stating that the product contains
and/or produces Proposition 65
chemicals. Although we have not
changed our processes, having the
same label on all our products facili-
tates manufacturing and shipping.
We cannot always know "when, or
if" products will be sold in the
California market.
You may receive inquiries from cus-
tomers about chemicals found in, or
produced by, some of our heating
and air-conditioning equipment, or
found in natural gas used with
some of our products. Listed below
are those chemicals and sub-
stances commonly associated with
similar equipment in our industry
and other manufacturers.
• Glass Wool (Fiberglass) Insulation
• Carbon Monoxide (CO).
• Formaldehyde
• Benzene
More details are available at the
websites for OSHA (Occupational
Safety and Health Administration),
at www.osha.gov and the State of
California's OEHHA (Office of
Environmental Health Hazard
Assessment), at www.oehha.org.
Consumer education is important
since the chemicals and substances
on the list are found in our daily
lives. Most consumers are aware
that products present safety and
health risks, when improperly used,
handled and maintained.
4
WARNING
(SEE SECTION 12.6: MOTOR REPLACEMENT)
To avoid electrical shock which can result in personal injury or death, use only
the screws furnished in the motor shell mounting holds. Screws are #8-18 x
.25 in. long blunt nose thread forming. Screws longer than 1/4 in. may contact
the motor winding.
WARNING
(SEE SECTION 7.0: AIR FILTER)
Do not operate the system without filters. A portion of the dust entrained in the
air may temporarily lodge in the duct runs and at the supply registers. Any cir-
culated dust particles could be heated and charred by contact with the air han-
dler elements. This residue could soil ceilings, walls, drapes, carpets and
other articles in the house.
Soot damage may occur with filters in place, when certain types of candles, oil
lamps or standing pilots are burned.
WARNING
The first 36 inches of supply air plenum and ductwork must be constructed of
sheet metal as required by NFPA 90B. The supply air plenum or duct must
have a solid sheet metal bottom directly under the unit with no openings, reg-
isters or flexible air ducts located in it. If flexible supply air ducts are used they
may be located only in the vertical walls of a rectangular plenum, a minimum
of 6 inches from the solid bottom. Metal plenum or duct may be connected to
the combustible floor base, if not, it must be connected to the unit supply duct
flanges such that combustible floor or other combustible material is not
exposed to the supply air opening from the downflow unit. Exposing com-
bustible (non-metal) material to the supply opening of a downflow unit can
cause a fire resulting in property damage, personal injury or death.
Exceptions to downflow warnings:
• Installations on concrete floor slab with supply air plenum and ductwork
completely encased in not less than 2 inches of concrete (See NFPA 90B).
CAUTION
(SEE SECTION 3.3: HORIZONTAL)
Horizontal units must be configured for right hand air supply or left hand air
supply. Horizontal drain pan must be located under indoor coil. Failure to use
the drain pan can result in property damage.
CAUTION
(SEE SECTION 2.1: RECEIVING)
In compliance with recognized codes, it is recommended that an auxiliary
drain pan be installed under all evaporator coils or units containing evaporator
coils that are located in any area of a structure where damage to the building
or building contents may occur as a result of an overflow of the coil drain pan
or a stoppage in the primary condensate drain piping. See accessories for
auxiliary horizontal overflow pan RXBM.
NOTICE
When used in cooling applications, excessive sweating may occur when unit
is installed in an unconditioned space. This can result in property damage.
NOTICE
Improper installation, or installation not made in accordance with the Underwriters
Laboratory (UL) certification or these instructions, can result in unsatisfactory
operation and/or dangerous conditions and are not covered by the unit warranty.
NOTICE
In compliance with recognized codes, it is recommended that an auxiliary drain
pan be installed under all evaporator coils or units containing evaporator coils
that are located in any area of a structure where damage to the building or build-
ing contents may occur as a result of an overflow of the coil drain pan or a stop-
page in the primary condensate drain piping. See accessories section of these
instructions for auxiliary horizontal overflow pan information (model RXBM).
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