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CHILERS >
RTAA |
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Units are leak and
pressure tested at 450 psig high side, 300 psig low side, then
evacuated and charged. Packaged units
ship with a full operating charge of oil and refrigerant. Unit
panels, structural elements and control boxes are constructed of
12-gauge galvanized steel and mounted on a welded structural
steel base. Unit panels and control boxes are finished with a
baked on powder paint, and the structural base with an air dry
paint. All paint meets the requirement for outdoor equipment of
the U.S. Navy and other federal government agencies. |
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Evaporator
The evaporator is a tube-in-shell heat exchanger design with
internally finned copper tubes roller expanded into the tube
sheet. The evaporator is designed, tested and stamped in
accordance with ASME for a refrigerant side working pressure of
300 psig. The evaporator is designed for a water side working
pressure of 215 psig. Water connections are grooved pipe. The
evaporator has one water pass with a series of internal baffles.
Each shell includes a vent, a drain and fittings for temperature
control sensors and is insulated with 3/4-inch Armaflex II or
equal insulation (K=0.26). Heat tape with thermostat is provided
to protect the evaporator from freezing at ambient temperatures
down to -20°F.
Remote Evaporator
The evaporator is a tube-in-shell heat exchanger, designed with
internallyfinned copper tubes that are rolled expanded into the
tube sheet. The evaporator is designed, tested and stamped for a
refrigerant side working pressure of 300 psig, in accordance
with ASME. The evaporator is designed for a water side working
pressure of 215 psig. Water connections are victaulic. The
evaporator has one water pass, with a series of internal
baffles.
Each shell includes a vent and drain connection, as well as
factory-mounted entering and leaving water temperature
control sensors and evaporator refrigerant temperature
sensors. The evaporator is insulated with 3/4-inch Armaflex II
or equal insulation (K=0.26). |
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FICHA TÉCNICA
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