WARNING_ad
Discharge lines made from non-conducting material can build up
static charge.
Static discharge can cause explosion of potentially existing oil
mist.
The discharge line must be made of conducting material or provi
-
sions must be made against static discharge.
Electrical Connection / Controls
●
Make sure that the stipulations acc. to the EMC-Directive
89/336/EEC and Low-Voltage-Directive 73/23/EEC as well as the
EN-standards, electrical and occupational safety directives and the
local or national regulations, respectively, are complied with (this is
in the responsibility of the designer of the machinery into which
the vacuum pump is to be incorporated; Ú note in the EC-Decla
-
ration of Conformity).
●
Make sure that the power supply for the drive motor is compatible
with the data on the nameplate of the drive motor (400)
●
Make sure that an overload protection according to EN 60204-1 is
provided for the drive motor
●
Make sure that the drive of the vacuum pump will not be affected
by electric or electromagnetic disturbance from the mains; if neces
-
sary seek advice from the Busch service
In case of mobile installation:
◆
Provide the electrical connection with grommets that serve as
strain-relief
Installation
Mounting
● Make sure that the à Installation Prerequisites are complied with
● Set down or mount the vacuum pump at its location
Connecting Electrically
WARNING_ab
Risk of electrical shock, risk of damage to equipment.
Electrical installation work must only be executed by qualified per
-
sonnel that knows and observes the following regulations:
- IEC 364 or CENELEC HD 384 or DIN VDE 0100, respectively,
- IEC-Report 664 or DIN VDE 0110,
- BGV A2 (VBG 4) or corresponding national accident prevention
regulation.
CAUTION_a
The connection schemes given below are typical. Depending on the
specific order or for certain markets deviating connection schemes
may apply.
Risk of damage to the drive motor!
The inside of the terminal box shall be checked for drive motor con
-
nection instructions/schemes.
●
Electrically connect the drive motor (400)
●
Connect the protective earth conductor
Connection Scheme Three-Phase Motor
Delta connection (low voltage):
Star connection (high voltage):
Double star connection, multi-voltage motor (low voltage):
Star connection, multi-voltage motor (high voltage):
CAUTION_a
Operation in the wrong direction of rotation can destroy the
vacuum pump in short time.
Prior to starting-up it must be made sure that the vacuum pump is
operated in the proper direction.
Version with three-phase motor:
◆
Determine the intended direction of rotation with the arrow (a,
431) (stuck on or cast)
◆
“Bump” the drive motor (400)
◆
Watch the fan wheel of the drive motor (400) and determine
the direction of rotation just before the fan wheel stops
If the rotation must be changed:
◆
Switch any two of the drive motor wires (three-phase motor)
Connecting Lines/Pipes
In case the suction line is equipped with a shut-off valve:
◆
Connect the suction line
RA 0025 - 0040 F Installation and Commissioning
0870139077 / 051214 page 7
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