Series 642
INSTALLATION
603685EA
Edition 2013-08-22
17/73
4.2.3
Installation procedure
1. Install valve [1] into the vacuum system.
Do not tighten the flange screws stronger than indicated under «Tightening
torque».
Do not admit higher forces to the valve than indicated under «Admissible forces».
Make sure that enough space is kept free to do preventive maintenance work.
The required space is indicated on the dimensional drawing.
2. Install the ground connection cable at controller. Refer to «Electrical connection»
3. Install connection cable between actuator (connector) and controller (connector: VALVE)
4. Install sensor(s) [4] according to the recommendations of the sensor manufacturer and directives
given under «Requirements to sensor connection».
5. Connect pressure sensor cable [5] to sensor(s) and then to valve (connector: SENSOR). Refer to
chapter «Electrical connection» for correct wiring.
Input for second sensor is available on 642 . . - . . .
H
- . . . . version only.
6. Connect valve to Logic Interface [6] (Logic connector). Refer to «DeviceNet schematics» for correct
wiring.
7. Connect power supply [7] to valve (connector: POWER). Refer to chapter «Electrical connection» for
correct wiring.
To provide power to the valve motor pins 4 and 8 must be bridged, otherwise motor
interlock is active and thevalve enters the safety mode and is not operative. Refer
also to «Safety mode».
8. This valve may optionally be equipped with a heating device. Connect VAT heating device according
to manual of respective heating device.
9. Perform «Setup procedure» to prepare valve for operation.
Without performing the setup procedure the valve will not be able to do pressure
control.
