TOA Electronics F-122CU - Manual (Page 6)

6
Ceiling panel
ø200 ±5 mm (7 7 /
8
± 13 /
64
")
Step 1. Cut a ø200 mm (7 7 /
8
") hole in the ceiling.
Use the supplied paper pattern to position and trace the hole.
Step 2. Install the HY-TB1 in the ceiling.
Loosen the two reinforcement ring mounting screws in each tie-plate to the point that they do not fall
out of their holes.
Tie-plate mounting screw
Reinforcement ring mounting screws
(Leave these screws loose.)
Bridge rail
HY-TB1
(optional)
Tie-plate
[For Drop Ceiling]
• Mounting to 2-foot tiles
Align the two bridge rails as shown in the figure
at right.
• Mounting to 600 mm tiles
Align the two bridge rails diagonally at an angle
of 10° – 15°.
T-grid
2-foot tile HY-TB1 (optional)
T-grid
600 mm tile
HY-TB1 (optional)
10
° – 15°