
Distillation Process Analyzer DPA-4.5
Maintenance
Hot surfaces
WARNING
Danger of burns due to hot surfaces
Contact with hot components can cause burns.
For this reason:
– Always wear protective clothing and gloves
during all work in the vicinity of hot components.
– Check that all components have cooled to
ambient temperature before beginning any work.
Opening the control box
WARNING
Danger of explosion due to open sources of
ignition
The control box contains ignition sources. Opening
in potentially explosive atmospheres can cause
explosions.
– Before opening, ensure that no potentially
explosive atmosphere is present.
– Obtain approval from the operator before
opening the box when the power supply is
switched on.
– If there is a potentially explosive atmosphere
present, disconnect the power supply of the
device and wait five minutes before opening.
In addition to the device’s power supply, all
external voltages of signal and control lines
must also be free of voltage.
– After completing work, close the box securely.
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