Installation, Operating & Maintenance Instructions
Series 650 DN 100-250 (I.D. 4“ - 10”), RS485
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel ++41 81 771 61 61 Fax ++41 81 771 48 30 Email
www.vatvalve.com
271149EA
2007-06-12
3/77
5
Maintenance & repairs ............................................................................................................................................ 60
5.1
Maintenance procedures ............................................................................................................................... 61
5.2
Option board .................................................................................................................................................. 68
5.2.1
Durability of power fail battery ........................................................................................................... 68
5.2.2
Retrofit / replacement procedure ....................................................................................................... 69
6
Drawing................................................................................................................................................................... 72
7
Spare parts ............................................................................................................................................................. 73
7.1
Control unit .................................................................................................................................................... 73
7.2
Valve unit ....................................................................................................................................................... 74
7.3
Accessories ................................................................................................................................................... 75
7.3.1
Centering ring with Viton o-ring ......................................................................................................... 76
8
Warranty ................................................................................................................................................................. 77