GE Innova 2000 Preinstallation Manual page 138

GE Medical Systems
REV 5
JOB CARD PIST044–007 – System facility power
6 PROCEDURE
The facility shall provide to the GE installation specialist a written statement that the grounding and
power supply meets General Electric's specifications including the 2 ohms to earth before the system
installation begins.
The local service or installation specialist, to be determined by local service, shall do a physical walk
through to the facility to insure that the following are correct:
1. The ground wires are the same size as the power feeder or AWG 1/0 whichever is larger.
2. The grounds at junction points are connected in an approved grounding bus.
3. Grounds within an enclosure must be tied together with copper wire or approved buss bar (i.e.,
separate buss bars within an enclosure must be tied together with copper wire of appropriate
size).
4. The ground originates at the power sources, i.e., transformer or entrance panel in facility.
5. When more than one ground terminal is mounted on the ground screw, the incoming terminal shall
always be mounted first and removed last.
Innova 2000 Cardiovascular Imaging System
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