Burkert 2300 Series, Operating Instructions Manual, Page: 27 / 130

27
Installation
Actuator with hexagon:
→
Place suitable open-end wrench on the hexagon of the actuator.
→
Rotate counter-clockwise (as seen from below) to bring the
actuator into the required position.
Actuator without hexagon:
→
Fit special wrench 9) exactly into the wrench contour on the
underside of the actuator.
→
Rotate clockwise (as seen from below) to bring the actuator into
the required position.
Open-end wrench
with
hexagon
10)
Special wrench
without
hexagon
11)
Fig. 22: Rotating with special key / open-end wrench
9)
The special key (identification number 00 665 702) is available from your
Bürkert sales office.
10)
Series production status since middle of 2011
11)
Series production status up to middle of 2011.
8.4 pneumatic connection
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 unsuitable connection hoses!
Hoses which cannot withstand the pressure and temperature range
may result in hazardous situations.
▶
Use only hoses which are authorized for the indicated pressure
and temperature range.
▶
Observe the data sheet specifications from the hose manufacturers.
for control function i – danger if pilot pressure fails!
For control function I control and resetting occur pneumatically.
If the pressure fails, no defined position is reached.
▶
To ensure a controlled restart, first pressurize the device with
pilot pressure, then switch on the medium.
The pneumatic connection of the angle-seat control valve
can be carried out only in connection with the appropriate
control unit.
Possible control units are:
Positioner Type 8692, 8694 and 8696
Process controller Type 8693
english
Type 2300