Checking The Pressure Monitor; Checking The Residual-Current Device - BARTEC BENKE DPA-4.5 Operating Manual

10.5.3 Checking the pressure monitor

Personal protective equipment
Required material
Preparation
Procedure

10.5.4 Checking the residual-current device

− This may only be performed by a qualified electrician.
− Safety goggles
− Safety gloves (hazardous substances)
− Software handbook
− Electrical engineering documents (see customer folder)
•
Exit the PACS process software.
− See the software handbook for further information.
•
Shut down the control computer.
•
Open the control box.
The pressure monitor cuts off all currents to electrical
consumers.
•
Check that the device is voltage-free at the output terminals of
the pressure monitor and other contactors if applicable. To do
this, open the power supply box using a double-bit key.
If no voltage is present, then the pressure monitor is working
properly.
− See electrical engineering documentation for further
information.
•
Close the power supply box and lock it at both locks.
•
Close the control box and secure all catches with safety bolts.
The analyzer starts automatically.
− Press the "T" test button at least once every 6 months.
− The residual-current device must trip (see also the operating
manual of the RCD).
− If the residual-current device has tipped, turn the switch on
again.
− If there is a malfunction, replace the residual-current device.
December 2013
Distillation Process Analyzer DPA-4.5
Maintenance
131