Installation
312
8.
INSTALLATION
Location
274
DDS
HARDWARE
Ref.1310
Ventilation related considerations
The following should be used to cool the electrical cabinet:
Heat exchangers: They prevent contaminated air (mist, metallic dust in
suspension, etc.) from getting into the electrical cabinet hence eliminat-
ing the chances of accumulating particles, condensation, etc. in the
cooling circuits of the DDS system modules.
If it is impossible to use heat exchangers, then:
Air extraction system: They prevent the air from entering the electrical
cabinet with a fan.
F. H8/5
Cables for connecting the DDS system with an RPS power supply.
See figure F. H 11/ 7 for further information on RPS-75-3, RPS-45 or
RPS-20 chokes.
u1 u2 v1 v2
w1 w2
CHANNEL
L1’ L2’ L3’
L1 L2 L3 U V W U V W
X3
X4
X6
X3
X4
X2
X2
L1 L2 L3
CHANNEL
CHOKE RPS-75-3
CHOKE RPS-45
CHOKE RPS-20
MAINS
FILTER
XXA
RPS-XX
AXD
or
SPD
AXD
or
SPD
DIFFERENTIAL
BREAKER
MANDATORY. The ventilation for the electrical cabinet must be enough
to dissipate the heat generated by all the devices and components work-
ing inside.
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