Yamaha XM4220 Gebruikershandleiding - Pagina 8
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Air Flow
This unit uses a forced cooling system in which air comes in through the front opening and goes out the sides and
rear.
Front
Air intake
Rack Mounting
If multiple high-power amp units are mounted in a rack with poor ventilation, the heat from the amps will cause the
interior of the amp to become very hot, causing the performance of the amps to be impaired. In particular, when
mounting in a rack whose back can not be left open, mount according to the following instructions.
Rack: Leave a gap of 10 cm or more between the rear panel of the rack and the rear panel of the amplifier.
Fan: Use a fan with 1.5 m
Mounting: Install the fan kit on the top slot or the top panel of the rack and install a blanking panel between two
amps.
Ventilation panel: . The ventilation panel should be a 1U size, and more than 35% of the entire area should be
Example of mounting
The figure on the left below shows an example of a fan kit (panels and two fans) on the top slot of the rack. The fans
are Minebia 3115PS-12T-B30 (with 0.9 m
The figure on the right below is a dimensional diagram of a panel on which two 3115PS-12T-B30 are installed.
Fan kit
XM6150/4220
Ventilation panel
XM6150/4220
8
Side View
Air exhaust
Air exhaust
3
/min or more maximum wind and 5 mmH
open.
3
/min maximum wind and 5 mmH
Rear View
80
O or more maximum static pressure.
2
O maximum static pressure).
2
78
71.5 0.1
248
463
480
Unit : mm