DC POWER INPUT AND DISTRIBUTION. Continued
AM-7239E Power Distribution
REMOTE/LOCAL Power Control Operation. There are six models of VAA: AM-7239 SERIES.The principal
difference among these models is in the method of selecting LOCAL and REMOTE operation. The AM-7239
uses a shorting bar which is changed by removing a cover panel on the side of the VAA. The AM-7239A uses
a shorting jumper, also located behind a cover panel. The AM-7239B,C and D uses a Local/Remote switch
which is visible to the left of the RT-B J7 system connector. The AM-7239E uses a Local/Remote switch
which is to the right of DS1. The following illustrations demonstrate these differences.
Placing VAA into Local or Remote Mode (AM-7239):
(1) Shorting bar (3)
If you have an LS-671 or WC
installed, place the shorting bar in
(1) Remove cover (2).
Position shorting bar (3) on terminal block as required.
(3) Install cover (2).
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