Toshiba Strara CTX Series Installation And Maintenance Manual page 93

Base
Cabinet
Cabinet Motherboard
Cabinet
Motherboard
Cabinet
Motherboard
Expansion
Cabinets
Cabinet
Motherboard
Cabinet
Motherboard
Green/Green Yellow
ground wires from
Motherboard
The cabinets must be
located no more than 9
feet from the AC outlet.
Figure 3-11 Cabinet Earthing
Strata CTX I&M September 2002
The Single Point Ground must always be connected to
the Base Cabinet Power Supply FG Screw
FG (Frame Ground) Screws
"B"
FG Screws
Inter-cabinet green wires
supplied with each cabinet
Third Wire
AC Ground
Note:
The ground must be
routed through the
same conduit as the
phase conductors
serving the system.
Power
Supply
Point "B" is always on the
Base Cabinet.
Insulated Ground Wire "B"
Note:
The impedance of the link
between point "A" and "B" must
be less than 0.25 ohms.
42mm Green/Yellow Earth Wire.
Max Impedance = Ω
Earth Ground:
Per General Rules IE REGS
16th Edition
208 or 240VAC System Primary Power
Building Main Power
Panel Electrical Ground
240VAC ± 20VAC (50/60 Hz)
Dedicated 20 Amp
Branch Circuit.
Strata CTX670 Installation
BMEP
AWG #6 Wire
(minimum)
Length: 60 Feet
(maximum)
5044 CT I&M
,
240VAC
"A"
Note:
The impedance of
the link between
point "A" and "B"
must be less than
0.25 ohms.
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