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CHILERS >
RTHB |
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Exposed metal
surfaces are painted with an air-dry beige primer-finisher prior
to shipment. Each unit ships with a full
operating charge of refrigerant and oil. (Separable shell units
may be shipped with or without refrigerant. See
note under options section.) Molded neoprene isolation
pads are supplied for placement under all support points. |
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Start-up
and operator instruction by factory trained service personnel is
included.
Compressor-Motor
Semihermetic, direct-drive, 3600 rpm, rotary compressor with:
capacity control slide valve, integral single-stage
economizer, oil sump heater and differential pressure
refrigerant oil flow system. Four pressure lubricated rolling
element bearing groups support the rotating assembly.
Motor is a liquid refrigerant cooled, hermetically sealed, two-pole,
squirrel cage induction motor.
Evaporator-Condenser
Shells are carbon steel plate. Evaporator and condenser are
designed, tested and stamped in accordance with ASME Code for
refrigerant side working pressure of 300 psig.
All tube sheets are carbon steel. Evaporator and condenser tubes
are individually replaceable. Standard tubes
are externally finned, internally enhanced seamless
copper with lands at all tube sheets. Evaporator tubes are
1” diameter. Condenser tubes are 3/4” diameter. Tubes are
mechanically expanded into tube sheets. Condenser tubes are
mechanically fastened to tube supports. Condenser baffle
prevents direct impingement of compressor discharge gas upon the
tubes.
All water pass arrangements are available in either flat-faced
flange (150 or 300 psig waterside) or condenser marine
configuration with grooved connections (300 psig waterside). All
connections may be either right or left handed. Waterside is
hydrostatically tested at 11/2 times design working
pressure, but not less than 225 psig. |
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FICHA TÉCNICA
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