Installation, Operating, and Maintenance Instructions
Series 08, DN 63 - 100 (2½" - 4")
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
222687EC
2003-04-14
5/8
Electrical connection
Do not touch any electrically charged parts!
Electrical power may only be connected if
- valve has been installed into the vacuum system
- moving parts cannot be touched
Verify that mains voltage matches voltage stated on the solenoid! Sockets for position indicator and
solenoid are supplied with the valve.
Wire solenoid and position indicator according to the following diagrams:
Standard solenoid
Solenoid for impulse actuation (option)
MV
2
1
power
2
1
2
1
close
open
1
2
power
2
1
1
2
MV
MV
MV = coil of solenoid
MV = coil of solenoid
Minimum pulse duration 50 ms
Continuous voltage does not damage the coil
Standard position indicator
Lg
Lo
NC/2
C/1
NO/3/4
NO/3/4
C/1
NC/2
Prepare cable:
Connect cable:
max. 6.5 mm
(¼'')
tin-plated
a) Slide upper part on
cable
b) Join strands by
soldering
c) Slide upper part on
lower part and tighten
cable clamp
d) Screw upper part
together with lower
part on actuator
Lo = position indicator «open»
Lg = position indicator «closed»
Power failure
Standard solenoid: Valve closes
Solenoid for impulse actuation (option): Valve position does not change, but a started movement will be completed.
