VAT 61228-KAGG-0002 - Page 4

Series 612
4/83
Edition 2013-04-12
601894EA
5 Operation ........................................................................................... 51
5.1 Normal operation ........................................................................................................... 51
5.1.1 Local operation ................................................................................................ 52
5.1.2 Remote operation ............................................................................................ 53
5.2 Close valve .................................................................................................................... 54
5.3 Open valve..................................................................................................................... 54
5.4 Position control .............................................................................................................. 54
5.5 Pressure control ............................................................................................................. 54
5.6 Display information ........................................................................................................ 55
5.6.1 Power up ......................................................................................................... 55
5.6.2 Operation ........................................................................................................ 56
5.6.3 Fatal error ........................................................................................................ 56
5.6.4 Safety mode .................................................................................................... 56
5.6.5 Service indication ............................................................................................ 56
5.7 Operation during power up ............................................................................................ 57
5.8 Behavior in case of power failure ................................................................................... 57
5.9 Operation under increased temperature ........................................................................ 57
6 Trouble shooting .............................................................................. 58
7 Maintenance ...................................................................................... 61
7.1 Maintenance intervals .................................................................................................... 61
7.2 Maintenance procedures ............................................................................................... 62
7.2.1 Replacement of shaft feedthrough seals and valve cleaning .......................... 63
7.2.2 Replacement of Option board ......................................................................... 67
8 Repairs .............................................................................................. 72
9 Dismounting and Storage ................................................................ 73
9.1 Dismounting ................................................................................................................... 73
9.2 Storage .......................................................................................................................... 74
10 Packaging and Transport ................................................................. 75
10.1 Packaging ...................................................................................................................... 75
10.2 Transport ....................................................................................................................... 76
11 Disposal ............................................................................................. 77
12 Spare parts ........................................................................................ 78
12.1 Drawing ......................................................................................................................... 79
12.1.1 Valve unit ........................................................................................................ 80
12.1.2 Seals and grease ............................................................................................ 80
12.1.3 Control and actuating unit ............................................................................... 80
12.1.4 Accessories ..................................................................................................... 81
13 Appendix ........................................................................................... 82