6
UNIT LOCATION
WARNING
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and proper condensate drainage, the unit must be
mounted level.
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a building, and at least three feet above any forced
air inlet located within ten feet. The economizer/
manual fresh air intake/motorized fresh air intake
and combustion air inlet mounted on the unit are not
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• To avoid possible corrosion of the heat exchanger,
do not locate the unit in an area where the outdoor
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contaminated by compounds containing chlorine or
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swimming pool chemicals and chlorine bleaches, paint
stripper, adhesives, paints, varnishes, sealers, waxes
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industrial processes may also be sources of chlorine/
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• To avoid possible illness or death of the building
occupants, do NOT locate outside air intake device
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distances required, consult local codes.
• Allow minimum clearances from the enclosure for
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These clearances must be permanently maintained.
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unit must never be obstructed. If used, do not allow
the economizer/manual fresh air damper/ motorized
fresh air damper to become blocked by snow or
debris. In some climates or locations, it may be
necessary to elevate the unit to avoid these problems.
• Damper must be on open position when appliance
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• When the unit is heating, the temperature of the return
air entering the unit must be between 50°F and 100°F.
• Units manufactured on or after May 1, 2017 are
not permitted to be used in Canada for heating of
buildings or structures under construction.
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• When the unit is installed on the ground adjacent
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recommended. Prepare a base that is 3” larger than
the package unit footprint and a minimum of 3” thick.
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water from higher ground can collect in the unit.
• The top of the unit should be completely unobstructed.
If units are to be located under an overhang, there
should be a minimum of 48” clearance and provisions
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overhang.
• Close to the wall application assures free,
unobstructed air to the other two sides. In more
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a minimum 12” clearance on all air inlet sides. Allow
36” minimum for service access to the compressor
compartment and controls.
• Unit should be located a minimum of 3” away from the
wall with the connections facing the wall.
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• To avoid possible property damage or personal injury,
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loads as required by local codes. Consult a structural
engineer to determine the weight capabilities of the
roof.
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