Pfeiffer Vacuum DUO 35, Operating Instructions Manual

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Table of contents
1 About this manual 5
1.1 Validity 5
1.1.1 Related documents 5
1.1.2 Variants 5
1.2 Target group 5
1.3 Conventions 6
1.3.1 Abbreviations 6
1.3.2 Pictographs 6
1.3.3 Stickers in the product 6
1.3.4 Symbols used 7
1.3.5 Instructions in the text 7
2 Safety 8
2.1 General safety instructions 8
2.2 Safety instructions 8
2.3 Safety precautions 10
2.4 Safety precautions for handling pumps with magnetic coupling 10
2.5 Limits of use of the product 11
2.6 Proper use 11
2.7 Foreseeable improper use 11
3 Product description 12
3.1 Product identification 12
3.2 Scope of delivery 12
3.3 Functional description 12
3.4 Operating principle 14
4 Transportation and Storage 15
4.1 Transport 15
4.2 Storage 15
5 Installation 17
5.1 Installing the pump 17
5.2 Connecting the vacuum side 18
5.3 Connecting the exhaust side 18
5.4 Establishing mains connection 20
5.4.1 Three phase motor with 6-pin terminal board 20
5.4.2 Three phase motor with 9-pin terminal board 21
5.4.3 Checking the direction of rotation 22
5.4.4 Motor protection 22
PTC thermistor temperature sensor (3TF) 22
Motor protection switch 23
5.4.5 Motor control 24
Frequency converter (applies to 3-phase motor) 24
Soft start 24
5.5 Refilling operating fluid 24
5.6 Connecting accessories 25
5.6.1 Solenoid valve for gas ballast valve (standard version) 26
5.6.2 Solenoid valve for gas ballast valve (C version) 27
5.6.3 Process monitoring (option) 27
5.6.4 Gas flushing device 28
6 Operation 31
6.1 Commissioning 31
6.2 Switching on 31
6.3 Operation with gas ballast 32
6.3.1 Gas ballast valve – standard version 32
Table of contents
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