Emerson Liebert Xtreme Density Dokumentacja Pobierz pdf (Strona 42)

XD Overhead Cooling Module—Liebert XDO

4.4 Liebert XDC Standard Features

• Compressors—Scroll with a suction gas cooled motor, vibration isolators, thermal overloads, man-

ual reset high-pressure switch and pump down low-pressure switch.

• Refrigeration System—Dual refrigeration circuits each including liquid line filter dryers, refriger-

ant sight glass with moisture indicator, electronic control valve, adjustable externally equalized

expansion valves and liquid line solenoid valves.

• Heat Exchanger—Brazed plate design with interwoven circuiting constructed of stainless steel

plates, copper brazed. PUMPS Centrifugal type, end suction, canned rotor design.

• Standard Control Processor—The standard control system is microprocessor-based with an exter-

nal LCD numerical display to allow observation of specified adjustable functions. Normal operat-

ing conditions are indicated on the LCD panel, which is mounted either on the unit or on the wall,

depending on application details (see user manual, SL-16671). The control system also monitors

unit operation and activates an alarm when any of the specified factory preset conditions are

exceeded.

• Cabinet and Frame—Custom powder painted steel panels. A hinged control access panel opens to

a second front panel, which is a protected enclosure for all high voltage components. Frame is con-

structed of 14 gauge heliarc welded tubular steel and painted using an auto-deposition coating

system.

Figure 37 XDC dimensional data

74" (1880mm)

Overall

34-5/8"

(879mm)

Overall

72"

(1829mm)

Unit Base

33"

(838mm)

Unit Base

33"

(838mm)

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Emerson Liebert Xtreme Density Dokumentacja Strona 42