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  3. LT-977 RB-MD-923 TX3-NSL-8M

Mircom LT-977 RB-MD-923 TX3-NSL-8M Installation guide

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LT-977 Rev 0
September 2009
Model RB-MD-923
Replacement TX3-NSL-8M Board
Installation Instructions
RB-MD-923 Mounting
Unscrew the six screws that hold the existing board in place. Disconnect the two cables from top of the controller board.
Replace with new board RB-MD-923, connect the two cables and use the six screws to mount the replacement board in
place.
Figure 1: RB-MD-923 TX3-NSL-8M Board Replacement
TX3-NSL-8M
NSL Unit
Remove the controller board
by unscrewing the six screws
which hold the board in
place. Disconnect the two
ribbon cables. Place the
RB-MD-923 Replacement
TX3-NSL-8M Controller board
in its position and fasten the
six screws to hold in place.
Re-connect the two ribbon
cables.
Six mount-
ing screws
hold the
board in
place.
Ribbon cables
NSL CABINET
/