Connection diameter: 3/8 NPT to reach 3-5 bar
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Set the waterflow at 23 l/min (CWM 1 and CWM 2) and set the
Danfoss at the wished value (process)
Nitrogen connection
The nitrogen is generally connected with a pipe (leakproof against oxy-
gen).
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Connect the nitrogen pipe to the vacuum system distributor
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Connect the distributor to the nitrogen supply
Connection diameter: ¼ NPT to reach 1.5 bar (
»
3 bar)
Electrical connection/ Checks
WARNING
Danger from electric shock! Electric shock can cause death and may
damage the vacuum system.
l
Make sure that the regulations of the Electromagnetic Compatibi-
lity Directive 2014/30/EU as well as standard EN norms, safety di-
rectives and especially local and national regulations are observed
(this is the responsibility of the manufacturer of the vacuum system
into which the vacuum system is integrated according to the
EU-Declaration of Conformity)
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Make sure that the main power supply corresponds to the data in
the technical datas of the vacuum system
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Make sure that an overload cut-out according to EN 60204-1 is
provided for the motor
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Make sure that the drive of the vacuum system is not disturbed by
any electric or electromagnetic interferences. If you have any
doubts, contact your Busch representative
CAUTION
Overvoltage damages the vacuum system!
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Check permissible primary voltage next to the power connection!
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Connect the supply voltage leads on the main contactor.
CAUTION
Incorrect rotation of drive motors can seriously damage vacuum
pumps!
If the direction is wrong, an error message appears on the LCD: reverse
two connection phase poles!
Electrical connection
The vacuum system is build with voltage from 208 to 480 Volts.
WARNING
Risk of electrocution, risk of damage.
Electrical installation must be performed by a suitably qualified
electrician who knows and follows the following regulations:
- IEC 364 or CENELEC HD 384 or DIN VDE 0100,
- IEC Report 664 or DIN VDE 0110,
- VBG 4 or corresponding national regulations on accident preven-
tion
CAUTION
The circuit diagrams described below conform to the standard.
Other circuit diagrams might be used. This depends on the particu-
lar order and the market.
Risk of damage to the motors!
Check the connection of the motors inside the terminal box accor-
ding to the circuit diagram.
Motor of screw pump DP 0600 C is connected at factory.
Procedure to connect the inline power cable
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Pass the cable through the inline power stuffing box
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Unscrew completely the ground phases screws
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Connect the ground wire to ground phase
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Unscrew completely the first connector on the main contactor
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Place the first phase wire and screw it completely, tight at 15 Nm
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Repeat for the other two phases
CAUTION
If the vacuum system is operated with a motor that turns in the
wrong direction, it can be destroyed, even if this is the case for only
a short moment.
Make sure that the vacuum system is connected correctly before
switching it on.
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If message” rotation sense false” appears, exchange two phases.
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Switch on the vacuum pump for a short period of time
l
Make sure that the vacuum system aspirates
Installation and start-up
COBRA DS 8163 A
Page 18
0870772605
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Phases
Ground
phase
Summary of Contents for COBRA DS 8163 A
Page 34: ......
