Goodman Amana AMH8 Service Instructions Manual page 20

PRODUCT DESIGN
National Fire Protection Association
1 Batterymarch Park
Quincy, MA 02269-7471
CSA International
8501 East Pleasant Valley
Cleveland, OH 44131
A copy of the CAN/CGA B149 Installation Codes can be
obtained from:
CSA International
178 Rexdale Boulevard
Etobicoke, Ontario, Canada M9W, 1R3
The rated heating capacity of the furnace should be
greater than or equal to the total heat loss of the area
to be heated. The total heat loss should be calculated
by an approved method or in accordance with "ASHRAE
Guide" or "Manual J-Load Calculations" published by the
Air Conditioning Contractors of America.
Location Requirements and Considerations
T
O PREVENT POSSIBLE EQUIPMENT DAMAGE, PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH, THE FOLLOWING BULLET POINTS MUST BE OBSERVED
WHEN INSTALLING THE UNIT.
Follow the instructions listed below when selecting a
furnace location. Refer also to the guidelines provided
in the Combustion and Ventilation Air Requirements sec-
tion in this manual or the installation instructions for
details.
• Centrally locate the furnace with respect to the
proposed or existing air distribution system.
• Ensure the temperature of the return air entering
the furnace is between 55°F and 100°F when the
furnace is heating.
• If the furnace is installed in an application where
the typical operating sound level of a furnace is
deemed objectionable, an optional sound reduc-
tion kit is available. Consult your local distribu-
tor for more details.
• Provide provisions for venting combustion prod-
ucts outdoors through a proper venting system.
Special consideration should be given to vent/flue
pipe routing and combustion air intake pipe when
applicable.
80% Furnaces: All installations must be vented in
accordance with National Fuel Gas Code, NFPA 54/
ANSI Z223.1 - lateset edition. In Canada the fur-
naces must be vented in accordance with the Na-
tional Standard of Canada, CAN/CGA B149.
20
WARNING
• Ensure upflow or horizontal furnaces are not in-
stalled directly on carpeting, or any other com-
bustible material. The only combustible material
allowed is wood.
• A special accessory subbase must be used for up-
right counterflow unit installations over any com-
bustible material (including wood). Refer to sub-
base instructions for installation details. (NOTE:
A subbase will not be required if an air condition-
ing coil is located beneath the furnace between
the supply air opening and the combustible floor.
• Exposure to contaminated combustion air will re-
sult in safety and performance-related problems.
Do not install the furnace where the combustion
air is exposed to the following substances:
chlorinated waxes or cleaners
chlorine-based swimming pool chemicals
water softening chemicals
deicing salts or chemicals
carbon tetrachloride
halogen type refrigerants
cleaning solutions (such as perchloroethylene)
printing inks
paint removers
varnishes
hydrochloric acid
cements and glues
antistatic fabric softeners for clothes dryers
and masonry acid washing materials
• Seal off a non-direct vent furnace if it is installed
near an area frequently contaminated by any of
the above substances. This protects the non-di-
rect vent furnace from airborne contaminants. To
ensure that the enclosed non-direct vent furnace
has an adequate supply of combustion air, vent
from a nearby uncontaminated room or from out-
doors. Refer to the Combustion and Ventilation
Air Requirements section in this manual or the in-
stallation instructions for details.
• If the furnace is used in connection with a cooling
unit, install the furnace upstream or in parallel
with the cooling unit coil. Premature heat ex-
changer failure will result if the cooling unit coil
is placed ahead of the furnace.
• If the furnace is installed in a residential garage,
position the furnace so that the burners and igni-
tion source are located not less than 18 inches
(457 mm) above the floor. Protect the furnace from
physical damage by vehicles.