GPGM3 Installation Manual
6
UNIT LOCATION
WARNING
•
and proper condensate drainage, the unit must be
mounted level.
•
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
• To avoid possible corrosion of the heat exchanger,
do not locate the unit in an area where the outdoor
contaminated by compounds containing chlorine or
swimming pool chemicals and chlorine bleaches, paint
stripper, adhesives, paints, varnishes, sealers, waxes
industrial processes may also be sources of chlorine/
• To avoid possible illness or death of the building
occupants, do NOT locate outside air intake device
distances required, consult local codes.
• Allow minimum clearances from the enclosure for
These clearances must be permanently maintained.
•
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
• 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.
• When the unit is installed on the ground adjacent
recommended. Prepare a base that is 3” larger than
the package unit footprint and a minimum of 3” thick.
•
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
overhang.
• Close to the wall application assures free,
unobstructed air to the other two sides. In more
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.
• To avoid possible property damage or personal injury,
loads as required by local codes. Consult a structural
engineer to determine the weight capabilities of the
roof.