Ground Wire Connection; Ground Test - Toshiba Strata CIX40 R5.2 Software - R1 ~ R3 Hardware Installation And Maintenance Manual

Ground Wire Connection

The ground wire must have a customer supplied closed or eye type lug for connection to the
GMAU terminal TB3. Refer to
connection must be mechanical. The connector may also be soldered if desired. The connector
must not be more than 0.25 in. (5.5 mm) wide. Ground wire lugs for the GMAU2 must accept the
M3 screw (0.125 in. or 3 mm). Ground wire lugs for the GMAU3/4 must accept the M4 screw
(0.157 in. or 4 mm).
Crimp the customer supplied
OK
Do not use
A single wire, solid or stranded,
Figure 1-5 Ground Wire Connection

Ground Test

Test the "ground wire" for continuity by either measuring the resistance between the TB3 terminal
(earth ground) on the GMAU and the common point ground on (or near) the MDF, or the utility
entrance ground (maximum: 1 ohm), or by using a commercially available earth ground indicator.
Table 1-5 Ground Wiring Summary
Grounding Requirement
System connects to earth ground
FG of HPFB-6 connect to GMAU2, 3 or 4
Strata CIX40 R3 Installation & Maintenance
Figure 1-5. The connector lug must be crimped onto the wire. The
lug onto wire.
10 AWG or larger.
from lug to ground point.
From
Earth ground
HPFB-6 FG Screw
05/10
AC Power and Grounding Requirements
TB3 on the
GMAU2/3 Card
Customer
supplied
lug
Front
To
TB3 on GMAU2, 3 or 4
TB1 on GMAU2, 3 or 4
CIX40 Installation
Washers
Side
Description
Less than
1 ohm
1-11