VYPER
™
VARIABLE SPEED DRIVE
INSTALLATION
S100-200 IOM (MAY 08)
Page 17
PACKAGE-MOUNTED VYPER
™
The package-mounted version of the Frick Vyper
™
performs
identically to the remote-mounted versions. One advantage of
the package mounted version is that all electrical connections
have been prewired and tested at the factory which ensures
proper installation of control and power lines. In addition, the
package-mounted Vyper
™
does not require an additional
dV/dt fi lter between the FVS cabinet and the motor. Package
mounting is available for both 305 / 254 HP and 437 / 362 HP
versions. Both water or glycol connections are possible and
the optional IEEE 519 harmonic fi lter is also available. The
illustration below shows a 437 HP Vyper
™
cabinet mounted on
a Frick RWF II 134 refrigeration package. Individual systems
confi gurations will vary according to model and horsepower
sizes selected.
The Vyper
™
cabinet is mounted on a rectangular welded
steel channel, which provides both an attachment point for
the cabinet’s side brackets, and also helps to maintain the
rigidity of the cabinet during service. The channel assembly
/ VSD cabinet is mounted on two extension brackets welded
to pads on the system’s oil separator. All package-mounted
units are assembled with vibration isolators located between
the Vyper
™
channel frame and the extension mounting brack-
ets. The isolators help to minimize the exposure of internal
components and connections to cyclic vibrations during
shipping and operation.
Power supply to the motor is made via a conduit exit from
a rear panel in the Vyper
™
Cabinet. Control wiring in/out is
located at the lower left side of the cabinet.
Содержание Frick vyper VYA PG -46
Страница 15: ...VYPER VARIABLE SPEED DRIVE INSTALLATION S100 200 IOM MAY 08 Page 15 Liquid Cooled Vyper P I Diagram Economized ...
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