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Praesideo 3.5 | Installation and User Instructions | 4 | Amplifiers
8.5
Installation
The power amplifier is suitable for either table-top or
19-inch rack installation. Four feet (for table-top use)
and two brackets (for rack installation) are supplied.
Caution
Due to the weight of the power amplifiers, it
requires two persons to lift and install them in a
19-inch rack.
figure 8. 1 6: Installation
Ensure there is enough space for the cool air flow to
enter and the warm air flow to leave the power
amplifier. Preferably, the power amplifiers are installed
in a closed 19" rack that has one cool air inlet protected
with a dust filter (see figure 8.17) to prevent dust from
entering the equipment.
figure 8. 1 7: Air flow in a 19" rack
Bosch Security Systems | 2011-02
Caution
When mounting the brackets to the unit, use the
screws that are supplied with the brackets, four
longer ones and two shorter ones. Use two
screws of 7.5 mm thread length at the front side
of each bracket, use a short screw of 5.2 mm
thread length at the rear side of each bracket.
Do not use screws with a thread length of
>10 mm for the front positions or screws with a
thread length of >5.7 mm at the rear postion;
longer screws may touch or damage
internalparts of the unit.
en | 145
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