Fluid Installation; Safety Instructions; Installing The Process Valve; Pneumatic Connection Of The Pneumatic Control Unit - Burkert 8690 Manuel D'utilisation

8. fluiD insTallaTiOn
The dimensions of the Pneumatic Control Unit and the different com-
plete device models, consisting of Pneumatic Control Unit, actuator
and valve, can be found in the relevant data sheets.
8.1. safety instructions
DangEr!
danger – high pressure in the equipment!
• Before loosening the lines and valves, turn off the pressure and
vent the lines.
Warning!
risk of injury from improper installation!
• Installation may be carried out by authorised technicians only
and with the appropriate tools!
risk of injury from unintentional activation of the system and
an uncontrolled restart!
• Secure system from unintentional activation.
• Following installation, ensure a controlled restart.
24
english
Type 8690 Ex

Fluid installation

8.2.
installing the process valve
Thread type and dimensions can be found in the corresponding data
sheet.
8.3. pneumatic connection of the
pneumatic control unit
DangEr!
danger – high pressure in the equipment!
• Before loosening the lines and valves, turn off the pressure and
vent the lines.
procedure:
→
Connect the control medium to the pilot air port (1)
(3 to 7 bar, oil, water and dust-free instrument air).
→
Attach the exhaust airline or a silencer to the exhaust air con-
nection (3).
Important information for the problem-free functioning of the
device:
• The installation must not cause back pressure to build up.
• Select a hose for the connection with an adequate cross-section.
• The exhaust air line must be designed in such a way that no water
or other liquid can get into the device through the exhaust air
connection.