GE DigitalFlow GS868, Startup Manual

Page: 66 / 81

Optional Enclosures C-1
March 2008
Introduction
Upon request the Model GS868 flowmeter may be supplied in an
enclosure other than the standard Type-4X enclosure described in
Chapter 1,
Installation , of this manual. Although the standard
installation and wiring instructions still apply in general terms, some
of the details may vary for different enclosure types. Refer to the
appropriate sections of this appendix for the specific type of
enclosure provided.
Rack Mount Enclosure
The Model GS868 flowmeter is available in a rack mount enclosure
for installation in a standard 19” electronics rack. Refer to Figure C-1
on page C-3 for the dimensions of this unit. Simply slide the Model
GS868 into the rack at the desired height and fasten the unit securely
to the rack with four screws in the locations provided at the sides of
the front panel.
After the unit has been physically mounted into the rack, proceed to
the next section for instructions on wiring the meter.
Rack Mount Wiring
The rack mount Model GS868 requires exactly the same electrical
connections as the standard version. However, the locations and type
of connectors used for the various components are different. Refer to
Figure C-2 on page C-4 and complete the following steps:
1.
Wire the power input on the right side of the rear panel as follows:
a.
Make sure a fuse (item #4) of the proper size and type is
installed.
b.
Connect the female end of the line cord provided to the power
input receptacle (item #3).
c.
Connect the earth ground screw terminal (item #2) to a ground
point on the rack.
2.
Wire the transducers as follows:
a.
Connect the pair of cables supplied with the meter to the
Channel 1 upstream and downstream BNC transducer
connectors on the left side of the rear panel.
b.
For a 2-Channel meter, repeat the above step for the Channel 2
transducer connectors (if the second channel is to be used).
c.
Complete the transducer wiring in accordance with the
instructions in Chapter 1,
Installation , of this manual.