Pfeuffer Contador - Safety Tests and Residual Dangers; Switch-off Procedure

Operating Instructions Contador
© 2019 – Pfeuffer GmbH Revision 6 Page 13 of 40
2.6 Safety tests
Pfeuffer GmbH carried out the following safety tests at the factory:
Testing and checking according to DIN EN 60204-1:
 Check that the electrical equipment is in compliance with the technical documentation.
 Continuous connection of the protective earth system
 Insulation resistance tests
 Voltage tests
 Protection against residual voltages
 Function tests
The functions of the electrical equipment, in particular those relating to safe
ty and protective measures,
have been tested.
2.7 Residual dangers in connection with the CONTADOR
 During all work on electrically operated components, pay attention to dangers from electrical
current.
2.8 Switch-off procedure
DANGER
Touching live parts can be fatal!
It is essential to comply with the following switch-
off procedure prior to cleaning,
maintenance or repair work (only by specialist personnel):
 Empty the CONTADOR.
 Switch off the CONTADOR at the main switch (position 0).
 Disconnect the mains cable from the electrical power supply.
 The mains cable must be able to be kept under the direct supervision of the person in the danger
area.
 During cleaning, make sure that no water, steam or dust can penetrate the electronics area.