Elmo PTC-100S Instruction Manual page 13

(3) Fixing the Main Unit
•
Put the Ceiling Tile between the Main Unit
and the Ceiling Plate, and fix the Main Unit by
fastening 4 wing nuts.
WING NUT M5 (supplied), 4 PCS
CEILING PLATE
MOUNTING HOLE: 5/16 in., 4 LOCATIONS
CEILING TILE
(t 1/2inch-1inch)
t = thickness
HEXAGON HEAD BOLT M5x40 (supplied), 4 PCS
MAIN UNIT
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