Retsch PT 300, Manual

Page: 15 / 42

Packaging, Transport and Installation
15
3.5 Electrical Connection
WARNING W2.0015
Risk to life caused by an electric shock
Connection to socket without a protective earth conductor
−
Connecting the device to sockets without a protective earth conductor can
lead to life-threatening injuries caused by an electric shock.
•
Always operate the device using sockets with a protective earth
conductor (PE).
NOTICE
N9.0022
Electrical connection
Failure to observe the values on the type plate
−
Electronic and mechanical components may be damaged.
•
Connect the device only to a mains supply matching the values on
the type plate.
WARNING When connecting the power cable to the mains supply, use an external fuse that
complies with the regulations applicable to the place of installation.
−
Check the type plate for details on the necessary voltage , frequency, and maximum
external current source fuse for the device.
−
The listed values must agree with the existing mains supply.
−
Only use the supplied power cable to connect the device to the mains supply.
WARNING
W3.0005
Danger to life due to electric shock or fire
Incorrect connection to the power supply may result in parts of the housing or
cables being live and in fires starting.
−
Serious injuries or death due to an electric shock.
−
Serious injuries or death due to fires.
•
The device may only be connected by a qualified electrician.
WARNING High leakage currents of > 3.5 mA alternating current can occur on the
frequency converter required and used in this machine. A fixed ground connection must
therefore be provided for stationary operation of the machine.
The following must be taken into consideration during preparation for commissioning and
maintenance:
−
Fixed wiring in accordance with applicable standards (1~/N/PE) must be provided in close
proximity to the machine.
−
The fixed wiring must have a minimum copper cross section of 3 x 2.5 mm
2
(L, N and
PE).
−
A connection must be provided for the additional protective earthing with at least 10 mm
2
copper.