NEC NP04CM Installation And Adjustment Manual page 12

Mounting the Projector
Installation Examples
■When the Ceiling is Wood Construction:
■When the Ceiling is Concrete Construction:
NOTE : Mounting boards, M8-type anchor nuts, bolts, nuts and washers are commercially
available.
Mounting board
(Strong enough to support the weight of the whole unit.)
Anchor nut (Purchase commercially-available M8-type anchor nuts
that are strong enough to endure the weight of the whole unit.)
Nut and washer
Nut and washer
Bolt (M8)
Nut and washer
Bolt (M8)
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Beam
Ceiling