Desert Aire Aura QS Installation And Operation Manual page 32

Desert Aire units are not designed or approved for use in atmospheres containing
flammable vapors or atmospheres highly laden with chlorinated vapors.
32
Desert Aire - QS/QV Manual
The following requirements must be followed when connecting this furnace to a vent
system:
• The connection of this burner to the vent system shall be in accordance with
the local building codes, the vent manufacturer's instructions and Part 7,
venting of equipment, of the National Fuel Gas Code, ANSI Z223.1
(latest edition).
• You must tightly seat all joints of the vent. The inside of the vent should be
free of all obstructions.
• All vents and vent connections must fit tightly to avoid air leaks.
• All vent connectors connecting the furnace to the vent must be rigidly
supported with hangers and straps, in order to prevent sagging and movement
after installation. The vent connector must be supported every four feet for the
design and weight of the material used, to maintain clearances, and to prevent
physical damage. The vent pipe must slope upward 1/4" minimum for each
foot of horizontal run away from the furnace.
• Vent connectors used in connecting the furnace to the vent cannot be
channeled through floors, ceilings, and walls without the proper protective
construction. This construction must be in accordance with the requirements
of the National Fuel Gas Code (ANSI Z223.1 latest edition).
• The venting system must be installed to avoid possible contact with concealed
plumbing or electrical wiring.
The addition to following the requirements outlined by local codes, follow the
guidelines below when locating the vent terminal to help ensure trouble-free operation
of your horizontally vented burner:
• Avoid locating the vent terminal on a wall facing the prevailing winds or
wide-open areas. When this is not practical, choose locations that protect the
vent from strong wind, such as behind a fence or a hedge. (Note: The vent
terminal must be located sufficiently distant from bushes, shrubs and
vegetation so as not to have the flue products restricted or blocked by such
vegetation.).