23
777S (NEMA 4X ENCLOSURE)
Installation Instructions
The Model 777S is housed in a NEMA 4X enclosure that is normally mounted on the wall or
some other vertical surface. The enclosure is attached to the wall with four (4) bolts. Refer to
Figure No. 14 for the hole layout for the NEMA 4X enclosure.
Figure No. 14
First make certain that the location is free from sudden changes in temperature and that the
mounting surface is strong enough to support the enclosure while being close enough to
provide the operator easy access to the keyboard. Carefully lay out the mounting hole
locations, then drill and install the anchor bolts. Attach the enclosure to the wall and securely
tighten the retaining bolts.
Continue by opening the front
cover on the instrument enclosure.
Loosen all four retaining screws
and rotate each of the clips to the
side. DO NOT remove these
screws. Fully open the front cover
of instrument exposing the internal
circuit boards. See Figure No. 15.
Figure No. 15
13.25"
13.0"
13.25" between holes
from flange to flange
13.0" between holes
in mounting flange
0.3125"
D ia
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