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Atlas Copco GA 45 VSD - Page 25

Atlas Copco GA 45 VSD
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Instruction book
1904 0504 83
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B
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; 6 : ; < 9
If the consumption is less than the air output of the compressor, the net pressure increases. When the
net pressure is higher than the set-point (desired net pressure), the regulator will decrease the motor
speed. If the net pressure keeps on rising when the motor runs at minimum speed, the regulator stops
the motor. If the motor is stopped automatically and the net pressure approaches the set-point, the
regulator will restart the motor
4 7
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8 7
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< S 6 < 9
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9 : B
The electrical system comprises the frequency convertor and following components:
s p m r r o s p n m v w x y z { | o v w z { |
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R
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9
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B ; P 9 8 : ; < 9
T1
Transformer
Q15
Q15
Circuit breaker
Q1
Circuit breaker
K15
Contactor
Z1
EMC filter (option)
U1
Frequency converter
PE
Earthing terminal
4 7
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:
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8 7 O ; 8 P
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8 S
The complete electrical diagram can be found in the electric cubicle.

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