CIX40 Installation
CIX40 Installation
AC Power and Grounding Requirements
Strata CIX40 Installation & Maintenance 5/06 1-11
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 Figure 1-8. The connector lug must be crimped onto the wire. The
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).
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 From To Description
System connects to earth ground Earth ground TB3 on GMAU2
Less than 1 ohm
FG of HPFB-6 connect to GMAU2 HPFB-6 FG Screw TB1 on GMAU2
OK
Do not use
Crimp the customer supplied
TB3 on the
Washers
Customer
supplied
Front Side
lug
lug onto wire.
10 AWG or larger.
A single wire from lug to
to ground point.
GMAU2 Card
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