20
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 downflow
openings. Remove the inserts similar to removing an
electrical knock-out.
Maximum cooling airflow — To minimize the possibility
of condensate blow-off from the evaporator, airflow
through the units should not exceed 450 cfm/ton.
Minimum cooling airflow — The minimum cooling
airflow is 350 cfm/ton.
Minimum cooling 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.
Application data
1” MIN.
2” MIN.
TRAP
OUTLET
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