Dimensions and Weights
RTAC-SVX01J-EN 25
Unobstructed flow of condenser air is essential to
maintain chiller capacity and operating efficiency. When
determining unit placement, give careful consideration to
assuring a sufficient flow of air across the condenser heat
transfer surface.Two detrimental conditions are possible
and must be avoided if optimum performance is to be
achieved: warm air recirculation and coil starvation.
Warm air recirculation occurs when discharge air from the
condenser fans is recycled back to the condenser coil inlet.
Coil starvation occurs when free airflow to (or from) the
condenser is restricted.
Both warm air recirculation and coil starvation cause
reduction in unit efficiency and capacity due to the
increased head pressures.
Debris, trash, supplies etc. should not be allowed to
accumulate in the vicinity of the unit. Supply air movement
may draw debris into the condenser coil, blocking spaces
between coil fins and causing coil starvation. Special
consideration should be given to low ambient units.
Condenser coils and fan discharge must be kept free of
snow or other obstructions to permit adequate airflow for
satisfactory unit operation.
In situations where equipment must be installed with less
clearance than recommended, such as frequently occurs
in retrofit and rooftop applications, restricted airflow is
common.The Main Processor will direct the unit to make
as much chilled water as possible given the actual installed
conditions. Consult yourTrane sales engineer for more
details.
If the outdoor unit configuration requires a variance to the
clearance dimensions, contact yourTrane Sales Office
Representative. Also refer to Trane Engineering Bulletins
for application information on RTAC chillers.
Figure 9. Recommended evaporator clearance
148”
(3760 mm)
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