Installation, Operating & Maintenance Instructions
Series 651 DN 320-400 (I.D. 12“ - 16”), Logic
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
267736ED
2008-02-26
47/53
Description Required tool
5. Remove or replace interface
board.
8. Insert master board and interface board
in reverse order as disassembled at
correct positions (seesteps 6 to 5).
9. Reconnect fan cable to option board (see
step 4).
10. Insert option board (see step 7).
11. Place the panel and tighten panel screws
with 1.1 Nm (see steps 3 to 2).
Pozidriv screw driver
size 1
12. Tighten female screw locks from
POWER, SENSOR and INTERFACE
connectors with 1.1 Nm (see step 1).
Open end wrench 4.5 mm
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