NEC LED-FC009i Installation And Maintenance Manual page 20

4.3 Install the mounting bars
(1) Install the mounting bars on the anchor points on the wall.
(2) Check the distance between the mounting bars using the alignment bars.
Alignment bar
Alignment bar
4 x 4 frame set
Alignment bar
Alignment bar
5 x 5 frame set
608 mm
608 mm
608 mm
608 mm
608 mm
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