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Backbox Installation
Removing the Chassis Assembly
1.
If present, remove the two (2) screws which fasten the lower chassis tabs to the backbox. These are for shipping purposes only and
do not need to be reinstalled.
2.
Loosen the two nuts which secure the top of the chassis with an 11/32" socket.
3.
Carefully lift up and remove the chassis assembly from the backbox and store in a safe, clean place. Avoid static discharge which
may damage static sensitive components on the board.
Mounting the Backbox
1.
Mark and predrill hole in the wall for the center top keyhole mounting bolt using the dimensions illustrated in Figure 2.4 on
page 24.
2.
Install center top fastener in the wall with the screw head protruding.
3.
Place backbox over the top screw, level and secure.
4.
Mark and drill the left and right upper and lower mounting holes.
Note: Outer holes (closest to sidewall) are used for 16" O.C. stud mounting.
5.
Install remaining fasteners and tighten.
6.
Carefully reinstall the chassis assembly and dress panel by reversing the steps above. Use appropriate precautions to prevent
damage to components due to static discharge. When reinstalling the chassis assembly, be sure that all four (4) tabs are seated
properly in the slots of the backbox to avoid possible damage to the unit.
CAUTION: POSSIBLE EQUIPMENT DAMAGE
!
REINSTALL THE CHASSIS ASSEMBLY CAREFULLY, MAKING SURE TO PROPERLY SEAT THE UNIT TO THE
BACKBOX.
7.
Draw wires through the respective knockout locations.
Notifier FirstCommand Series Manual — P/N LS10001-001NF-E:H 1/8/2018
Figure 2.2 Chassis Removal
ECC-MCB-PCA
Rev.
J12
TB15
J9
RTZM
Figure 2.3 Chassis Installation
loosen nuts
remove screws
Installation
23
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