VAT Series 651 Installation, Operating, & Maintenance Instructions page 47

5. Remove or replace interface board.
6. Remove or replace master board.
7. Remove or replace option 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).
12. Tighten female screw locks from
POWER, SENSOR and INTERFACE
connectors with 1.1 Nm (see step 1).
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
Installation, Operating & Maintenance Instructions
Series 651 DN 320-400 (I.D. 12" - 16"), Logic
Description Required tool
Pozidriv screw driver
size 1
Open end wrench 4.5 mm
267736ED
47/53
2008-02-26