Ground Wire Connection; Ground Test - Toshiba Strata CIX40 Installation And Maintenance Manual

Ground Wire Connection

The ground wire must have a customer supplied closed or eye type lug for connection to the
GMAU2 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 and the hole must accept the M3 screw (0.125 in. or
3 mm).
Crimp the customer supplied
OK
Do not use
Figure 1-8 Ground Wire Connection

Ground Test

Test the "ground wire" for continuity by either measuring the resistance between the TB3 terminal
(earth ground) on the GMAU2 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 1-3 Ground Wiring Summary
Grounding Requirement
System connects to earth ground
FG of HPFB-6 connect to GMAU2
Strata CIX40 Installation & Maintenance
Figure 1-8. The connector lug must be crimped onto the wire. The
lug onto wire.
10 AWG or larger.
A single wire from lug to
to ground point.
From
Earth ground
HPFB-6 FG Screw
5/06
AC Power and Grounding Requirements
TB3 on the
GMAU2 Card
Customer
supplied
lug
Front
To Description
TB3 on GMAU2
Less than 1 ohm
TB1 on GMAU2
CIX40 Installation
Washers
Side
1-11