VAT 64 Series - Electrical Connection

Installation, Operating & Maintenance Instructions
Series 64, DN 63-400 (I.D. 2
1
/2" - 16")
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
219034EM
2013-08-27
9/19
2.2.6 Electrical connection
Verify that mains voltage matches voltage stated on the solenoid! Sockets for position indicator and solenoid are supplied
with the valve.
Do not touch electrical parts under voltage!
Electrical power may only be connected if:
valve has been installed into the vacuum system
moving parts cannot be touched
Wire solenoid and position indicator according to the following diagrams.
Solenoid
Position indicator for 3 positions
2
1
1
2
power
2
1
1
2
MV
MV
Lz
Lg
Lo
3
4
5
6
2
1
6
5
4
3
2
1
MV1 = solenoid for main cylinder (next to pneumatics)
MV2 = solenoid for auxiliary cylinder
Lo = position indicator «open»
Lg = position indicator «closed»
Lz = position indicator for intermediate position
Control logic for actuator on valve
seat side (A-side)
MV1
MV2
Control logic for actuator on valve
seat side (B-side)
MV1
MV2
open position
+
+
open position
+
+
intermediate position
+
-
intermediate position
-
+
closed position
-
-
closed position
-
-
+ = solenoid coil supplied with current
+ = solenoid coil supplied with current
- = solenoid coil not supplied with current
- = solenoid coil not supplied with current