VAT 64246-UEHC-0001 - Page 4

Series 642
4/73
Edition 2013-08-22
603685EA
5.3 Open valve .................................................................................................................... 44
5.4 Position control .............................................................................................................. 44
5.5 Pressure control ............................................................................................................. 44
5.6 Display information ........................................................................................................ 45
5.6.1 Power up ......................................................................................................... 45
5.6.2 Operation ........................................................................................................ 46
5.6.3 Errors .............................................................................................................. 46
5.6.4 Safety mode .................................................................................................... 46
5.6.5 Service indication ............................................................................................ 46
5.7 Operation during power up ............................................................................................ 47
5.8 Behavior in case of power failure ................................................................................... 47
5.9 Operation under increased temperature ........................................................................ 48
6 Trouble shooting .............................................................................. 49
7 Maintenance ...................................................................................... 51
7.1 Maintenance intervals .................................................................................................... 51
7.2 Maintenance procedures ............................................................................................... 52
7.2.1 Replacement of gate seals and valve cleaning ............................................... 52
7.2.2 Replacement of Option board ......................................................................... 57
7.2.3 Retrofit / replacement procedure ..................................................................... 59
8 Repairs .............................................................................................. 62
9 Dismounting and Storage ................................................................ 63
9.1 Dismounting ................................................................................................................... 63
9.2 Storage .......................................................................................................................... 64
10 Packaging and Transport ................................................................. 65
10.1 Packaging ...................................................................................................................... 65
10.2 Transport ....................................................................................................................... 66
11 Disposal ............................................................................................. 67
12 Spare parts ........................................................................................ 68
12.1 Drawing ......................................................................................................................... 69
12.1.1 Valve unit with seals and grease ..................................................................... 70
12.1.2 Control and actuating unit ............................................................................... 71
12.1.3 Accessories ..................................................................................................... 71
13 Appendix ........................................................................................... 72