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WARNING
To the customer
■ Do not attempt to install the projector yourself. Have your dealer or service center handle all
installation work. Note that Hitachi will accept no liability whatsoever for accidents or injuries
resulting from an incorrect installation or improper use.
■ Make sure that the projector is installed high enough so that there is no risk of people bumping their
heads. If a sufficiently high installation cannot be made, be sure to take the necessary precautions
when the projector is used.
■ Do not hang on the LCD projector or the arm after installation as this could cause the LCD projector
to fall down or bend the arm resulting in injury or damage.
■ Do not install the projector in a location exposed to high humidity, dust or tobacco smoke or in a
location exposed to smoke or steam.
■ Do not install the projector in a location exposed to vibrations.
■ After you have finished installation, keep this manual and accessories in a safe place for future
reference.
■ Small parts could be swallowed by children and pets and should be kept out of their reach. If your
child swallows any small parts, consult a doctor immediately.
To service personnel
■ Perform all installation work correctly according to this manual. Make sure that all specified screws
and brackets are used in the installation.
■ Considerable care is required in planning and performing the installation so that it will support the
weight of the LCD projector and wall mount unit.
■ Never attempt to modify the wall mount unit. (We will not guarantee the strength of a unit that has
been modified.)
■ Make sure that all screws are tightened to the proper torque after installation and adjustments. There
must be no loose or over tightened screws.
■ Do not use adhesives, lubricants, lubricating oils or other chemicals designed to prevent loosening
of fasteners on screws and bolts used to secure the projector ceiling mount. The use of such
materials could cause the mount to fail and the projector to fall resulting in damage or injury.
■ Route electric cables as prescribed and take care not to damage them in the installation work.
■ Be sure to read this manual and the User’s Manual of the LCD projector prior to installation to
ensure that all safety instructions are observed and the projector is correctly installed.
■ Be sure to turn off the LCD projector and disconnect the power plug from the wall outlet before
starting installation work.
Routine Inspections
Like the projector, the wall mount unit should be inspected once a year.
1. Check that the screws in the wall mount unit and adjusted parts are not loose.
2. Check that the wall mount unit, adjusted parts and the set are not scarred or damaged.
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Installation of this product requires special technical skills. Ask your dealer or service center (for details, see the
User’s Manual supplied with the LCD projector) to handle the installation work.
Be sure to observe the following instructions when installing an LCD projector.
1. Considerable care is required in planning and performing the installation so that it will support the weight of the
LCD projector and wall mount unit. Refer to the table listing applicable models.
2. If the temperature inside the LCD projector gets too high, the temperature sensor will activate and turn off the
projector to prevent damage. Do the following to avoid an abnormally high temperature.
(1) Use the projector within the operating temperature range shown in the User's Manual.
(2) Periodically clean the projector’s air intake filter. For details on how often and how to clean the filter, see the
LCD Projector User’s Manual.
(3) In a dusty location, the filter will need more frequent cleaning than in (2) above so install the projector in a
location where cleaning is easy.
(4) Leave 30 cm or more space on the sides of the LCD projector to allow the free flow of air from the exhaust and
leave 10 mm or more space at the back of the projector to enable air to enter via the air intake.
(5) Do not install the projector in a location exposed to sudden temperature changes, for example near air
conditioners, or where the temperature rises above 40°C.
3. Do not install the projector in a smoke-filled or extremely dusty environment as the tar in cigarette smoke will
settle on the optics and lower performance.
4. Do not install the projector in a location where the remote control sensor will be exposed to direct sunlight, other
strong light sources or inverter fluorescent lamp light at close range to prevent remote control malfunction.
● Have at least eight M8 anchor bolts on hand for attaching the wall-mount fixture to the wall. The fixture has 24
elongated 11mm x 41mm (0.43 × 1.61-inch) holes and 16 elongated 11mm x 33mm (0.43 × 1.61-inch) holes. The
pull-out strength required of the bolts is at least 2,000N per bolt, so determine the appropriate length of bolts
for the strength and thickness of the wall surface in order to meet this standard, and if necessary, increase the
number of bolts.
Installation Precautions
Tools needed for installation
This product is designed to mount a Hitachi LCD projector on a wall.
Overview
Unit: mm (inches)
494.6(19.47)
136(5.35)
270.6(10.65)
430(16.93)
183.4(7.22)
154.2(6.07)
25(0.98)
29.2(1.15)
Mounting holes
11 × 33
oval holes
(16 locations)
(0.43 × 1.29)
11 × 41
oval holes
(12 locations)
(0.43 × 1.61)
11 × 41
oval holes
(12 locations)
(0.43 × 1.61)