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APPLICATION DATA
Condensate trap — A 2-in. condensate trap must be field
supplied.
Ductwork — Secure downflow discharge ductwork to roof
curb. For horizontal discharge applications, attach
ductwork to unit with flanges.
To convert a unit to downflow discharge — Units are
equipped with factory-installed inserts in the down-flow
openings. Removal of the inserts is similar to removing an
electrical knock-out. The unit is factory equipped with duct
covers to seal the horizontal discharge openings in the
unit. Units installed in horizontal discharge orientation do
not require duct covers.
Airflow — Units are draw-thru in the Cooling mode and
blow-thru in the Heating mode.
Maximum cooling airflow — To minimize the possibility
of condensate blow-off from the evaporator, airflow
through the units should not exceed 450 cfm per ton.
Minimum cooling airflow — The minimum cooling
airflow is 350 cfm per ton.
Minimum ambient operating temperature — All
standard units have a minimum ambient operating
temperature of 40°F. With accessory low ambient
temperature kit, units can operate at temperatures down
to 0°F.
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