270727EI.DOCX 17200295_002_C0/2016 - © Leybold 3/40
Table of contents
1 Description of product ........................................................................ 5
1.1 Important information .......................................................................................... 5
1.2 Identification of product ....................................................................................... 5
1.3 Validity of the user manual .................................................................................. 6
1.4 Technical data ..................................................................................................... 8
1.5 Components delivered with the valve ............................................................... 13
1.6 Warranty ............................................................................................................ 13
2 Safety ................................................................................................. 14
2.1 Compulsory reading material ............................................................................ 14
2.2 Danger levels .................................................................................................... 14
2.3 Purpose of use .................................................................................................. 15
2.3.1 Permitted use ........................................................................................ 15
2.3.2 Adverse use .......................................................................................... 15
2.4 Obligations / area of responsibility .................................................................... 15
2.4.1 Manufacturer ......................................................................................... 15
2.4.2 Operator ................................................................................................ 15
2.5 Personnel qualifications .................................................................................... 16
2.6 General Safety Instructions ............................................................................... 16
2.7 Safety labels ...................................................................................................... 16
3 Design and Function ......................................................................... 17
3.1 Design ............................................................................................................... 17
3.2 Function ............................................................................................................ 17
4 Installation ......................................................................................... 18
4.1 Unpacking ......................................................................................................... 18
4.2 Installation into the system ................................................................................ 19
4.3 Compressed air connection .............................................................................. 21
4.4 Electrical connection ......................................................................................... 21
4.4.1 Valve with position indicator .................................................................. 22
4.4.2 Valve with pilot valve and position indicator ......................................... 22
5 Operation ........................................................................................... 23
5.1 Normal operation ............................................................................................... 23
5.2 Operation under increased temperature ........................................................... 23
5.3 Behavior in case of air pressure drop ............................................................... 23
5.4 Behavior in case of power failure ...................................................................... 23
5.5 Operation of the NO model ............................................................................... 24
6 Maintenance ...................................................................................... 25
6.1 Exchange of vacuum seals ............................................................................... 26
6.1.1 Dismount actuator / plate assembly ...................................................... 27
6.1.2 Replacement of plate seal .................................................................... 27
6.1.3 Mount actuator / plate assembly ........................................................... 27
7 Repairs ............................................................................................... 28