Union Instruments CWD2000 EX, Original Operating Instructions

Page: 34 / 103

Table of contents
34
6.3.7 Opening, closing of cover plate
DANGER
Loss of explosion protection!
Danger of explosion in hazardous areas by open or not properly closed device!
Before closing the door of the EX-d box, the intactness and cleanness of the
machined flange surfaces and the gasket is to check in any case.
Further information:

enclosed documentation!
KILLARK - Installation, Operation & Maintenance Data sheet
Before closing the lid of the PLC- box (EX-p box) the intactness and cleanness of
the gasket is to check in any case.
6.3.8 Electrical connection
DANGER
Danger from electrical shock!
Only a trained electrician may modify the electrical equipment of the combustion
calorimeter in accordance with the relevant guidelines!
When the combustion calorimeter has been opened, the parts identified by the
adjacent symbol may still be live even when the master switch has been turned
off. If necessary, disconnect combustion calorimeter from the voltage mains!
Further information:

enclosed documentation!
– Wiring diagram -
The connections for the power supply are located at the inside of the PLC -box
(EX-P box).