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ISO 9001
EN 29001
Installation, Operating, and Maintenance Instructions
Series 64.1
VAT Vakuumventile AG, CH-9469 Haag, Schweiz
Tel ++41 81 771 61 61 Fax ++41 81 771 48 30 Email reception@vat.ch http://www.vatvalve.com
283681EB
2011-03-18
9/19
4.4 Power-fail battery
(this is an option which is installed if controller part-no. is 641PM- . 6B . - . . . ., see chapter ‚5