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PKGP-PRC004-EN
Application
Considerations
Application of this product should be
within the cataloged airflow and cooling
considerations.
Low Ambient Cooling
Precedent™ features, as standard, low
ambient cooling down to -18°C (0°F).
Contact your local Trane Representative
for more assistance with low ambient
cooling applications.
Barometric Relief
This product line offers an optional
barometric relief damper for use in
conjunction with economizer option.
This option consists of gravity dampers
which open with increased pressure. As
the building air pressure increases, the
pressure in the unit return air section
also increases, opening the dampers
and relieving the conditioned space.
NOTE: THE EFFECTIVENESS OF
BAROMETRIC RELIEF DAMPER
DURING ECONOMIZING OPERATION
IS SYSTEM RELATED.
PRESSURE DROP OF THE RETURN AIR
SYSTEM SHOULD BE CONSIDERED TO
CONTROL BUILDING PRESSURIZA-
TION.
Condensate Trap
The evaporator is a draw-thru
configuration. A trap must be field
provided prior to start-up on the cooling
cycle.
Clearance Requirements
The recommended clearances identified
with unit dimensions should be
maintained to assure adequate service,
maximum capacity and peak operating
efficiency. Actual clearances which
appear inadequate should be reviewed
with the local Trane sales personnel.
Unit Pitch
These units have reversible sloped
condensate drain pans. Units must be
installed level, any unit slope must be
toward side of unit where condensate
drain is connected.
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