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GE Industrial Solutions Millennium II Controller J85501P-1 User Manual

Page 89

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Basic Installation and User’s Guide for the Millennium II Controller

Issue 3 January 2008

89

7.

Securing Contactors

If Battery and Load contactors are in the system, contactor control boards
should be configured so that they do not OPEN during the controller
replacement. To ensure that these contactors do not open, force all LVLD
and LVBD contactors closed.
NOTE: These contactors may have already been forced closed per
customer requirements. If so, then proceed to the next step.

To force LVLD contactors closed, place SW300 in the up position as
shown in figure 6-2 and 6-3.

Contactor Type

Control Board and

Switch

To Force Closed,

Change to

Load

EBV – SW300

UP

Battery

BJN – SW300

UP for ½ height

cabinets

DOWN for full
height
cabinets

8.

Disconnect Rectifiers from Old Controller

The RJ45 connector is located at top of the BSH board. Remove the
cable connected to J8.

(see Figure 6-10)

Step Action

a.

On the Basic controller (BSH), locate J8.

b.

Mark, Tag and Insulate the cable terminating at J8.
This is the Rectifier Control Cable.

c.

Remove this cable from J8 and take it out of the
Millennium housing.