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1-5. Installation Space
When installing, the installation space must be secured in
consideration of the ventilation and service operation.
. Do not block the ventilation slots (at the upper lid, right
side panel, lower portion of front panel, and bottom
plate), and vents of the fans.
. Leave a space around the unit for ventilation.
. Leave more than 40 centimeters of space in the rear of
the unit to secure the operation area.
When the unit is installed on the desk or the like, leave at
least four centimeters of space in the upper and right sides.
Living 40 centimeters or more of space above the unit is
recommended for the service operation.
Mass : 34 kg
n Remove the feet when rack mounting.
DNW-A22/A22P
481
465
364
31.5
427
Dimensions when Rack-Mounting
When the unit is mounted in the rack, leave a space on the
top or bottom of this unit by 1U.
Moreover, an air flow that is effective in cooling the unit is
essential. If the ventilation is not enough, the unit may be
damaged because of an increase of the internal tempera-
ture.
n
This unit is air-cooled by the four fans. The operation with
the upper lid is removed affects the air cooling by the fans.
Complete the work in a short time as far as possible when
operating the unit for inspection with the upper lid re-
moved. If it takes a long time, blow to the unit by an
electric fan to cool the unit.
(454)
45.5
(47.1)
512.8
577(Maximum traveling distance)
158
104
415.9
15.9
12.7
123.8
263.5
457.5
47.1
1-5. Installation Space
520
18.3
454
Unit : mm
1-3
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