Table of contents
1 About this manual 7
1.1 Validity 7
1.1.1 Applicable documents 7
1.1.2 Variants 7
1.2 Target group 7
1.3 Conventions 7
1.3.1 Instructions in the text 7
1.3.2 Pictographs 8
1.3.3 Stickers on the product 8
1.3.4 Abbreviations 8
2 Safety 10
2.1 General safety instructions 10
2.2 Safety instructions 10
2.3 Safety precautions 12
2.4 Limits of use of the product 12
2.5 Proper use 12
2.6 Foreseeable misuse 12
3 Product description 14
3.1 Identifying the product 14
3.2 Product features 14
3.3 Shipment 14
3.4 Function 14
3.4.1 Key functions 15
3.4.2 Status symbols 16
4 Installation 18
4.1 Preparing for installation 18
4.2 Installing the device in a rack 18
4.3 Connecting the electrical supply 18
4.3.1 Connection diagram 19
4.3.2 Earthing the device 20
4.3.3 Connect DCU to a vacuum pump 20
4.3.4 Establishing mains connection 22
4.4 Connecting measuring tubes 22
5 Parameter set 23
5.1 General 23
5.2 Additional parameter for the DCU 23
5.3 Data types used 24
6 Operation 25
6.1 LC-display 25
6.2 Switching on the DCU 25
6.3 Displaying and configuring parameters with the DCU 26
6.4 Switching on the connected vacuum pump 27
6.5 Transmitter operation 27
6.6 Switching off the connected vacuum pump 27
6.7 Operating mode display via LED 28
6.8 Switching off the DCU 28
7 Maintenance 29
8 Malfunctions 30
8.1 General 30
8.2 Error codes 30
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