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3
Wiring
3.1
Electrical Preparation
All electrical work must be carried out by a properly licensed electrician. Failure to
observe this point will void the factory warranty for the Tempest Enclosure and possibly
the projector/projector.
1
Before starting work, switch off power to the branch circuit, carefully following lockout and
tag-out procedures. Failure to do so could cause serious injury or death.
2
Two or three electrical junction boxes will be required within a short distance of the Blizzard
enclosure for:
•
AC Supply wiring (Projector)
•
AC Supply Wiring (Enclosure Fan) – may be combined with projector power feed if desired
•
Projector picture signal wiring
3
Your Blizzard enclosure is supplied fitted with two cable entry points, suitable for flexible
conduit fittings. US size ½", international 20mm.
Note the locations of the
cable entry fittings
on the rear panel
3
All junction boxes must be installed in accordance with local electrical codes and should be
located near the permanent installation of the enclosure. Each junction box requires a length
of flexible conduit, long enough to reach from junction box to the enclosure conduit fittings.
Leave slack for positioning of enclosure, and enough space behind the enclosure for
ventilation.
4
The AC supply must be protected by a fuse or circuit breaker of a rating suitable for the
projector. For the DEC3 versions, add max 550W load for the enclosure fan and heater.
5
The user may connect the fan and the projector to the same switched supply, or run them
separately, according to need. If run separately, it is the user's responsibility to ensure that
the fan is always running when the projector lamp is on.
Blizzard Enclosure User Manual
Power Cable
Signal Cable Entry
Entry
page 13
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