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All installations and services must be performed by qualified service personnel.
For proper and safe operation of this appliance, ensure that adequate
clearances around air openings into the burner compartment and the
condenser coil area are maintained. These openings are not to be blocked, or
restricted, in any manner.
5. Measures should be taken to prevent the entry of corrosive chemicals
or vapors to the combustion and ventilation air supply. Such chemicals
include, but are not limited to, chlorinated and/or fluorinated hydrocarbons.
These substances are found in refrigerants, aerosol propellants, dry cleaning
fluids, degreasers, and removers. Other harmful compounds may come from
acids, salts, bleaches, air fresheners, cements, and glues. Do not store or
use these chemicals for long periods of time in close proximity to this
appliance.
Vapors from such products can form corrosive compounds when burned in a
flame. These compounds promote rapid corrosion of the burner, combustion
chamber, heat exchanger, and the vent terminal. Rapid or excessive
corrosion will significantly reduce the useful life of the appliance.
6. Refer to the following section, Venting of Combustion Products, for
additional installation location restrictions.
C. Venting of Combustion Products
: This appliance is designed to directly vent combustion products
into the atmosphere through, and using only, the supplied vent terminal.
Do not attempt to attach a vent connector or a vent system to, or in place
of, the supplied vent terminal.
The appliance should be installed in a location such that heavy snow
accumulation will not excessively restrict the flow of flue (combustion) products
from the unit. The vent terminal should not be located in a position where ice
buildup could block the discharge of flue products. If these conditions occur, the
performance of the heating system will be adversely affected.
Choose an installation location where the vent terminal does not discharge over
sidewalks, walkways, and patios. These areas may become slippery when
wetted by water vapor in the flue products.
Combustion products must not be allowed to accumulate within a confined space
and recirculate back into the combustion system. Recirculation of combustion
products promotes poor combustion. In severe cases, it may lead to sooting of
the combustion chamber and heat exchanger, or to nuisance shutdowns of the
heating system.
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