Burkert 2301 Series, Руководство по эксплуатации

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27
Installation
WARNING!
Risk of injury from discharge of pressure and escaping
medium.
The body connection can loosen when rotated incorrectly.
▶
Only turn the actuator in the specified direction (see “Fig.
15”)!
→
Place a suitable open-end wrench on the hexagon head of the
actuator.
→ Move the actuator into the required position by turning it
counterclockwise (seen from below).
Open-end
wrench
Fig.15: Rotatingwithopen-endwrench
8.4 Pneumatic connection
DANGER!
Risk of injury from high pressure in the system.
▶
Before loosening lines and valves, turn off the pressure and
vent the lines.
WARNING!
Risk of injury due to unsuitable connection hoses.
Hoses that cannot withstand the pressure and temperature
range can cause hazardous situations.
▶
Only use hoses that are permitted for the specified pressure
and temperature range.
▶
Note the data sheet information from the hose
manufacturers.
For control function I – risk of pilot pressure failure.
With control function I, the control unit and reset are pneumatic. No
defined position is reached during a pressure failure.
▶
To ensure a controlled restart of the device, first apply pilot
pressure and then activate the medium.
The pneumatic connection of the globe control valve
can only be performed in conjunction with the corre -
sponding control unit.
Possible control units are:
Positioner Type 8692, 8694 and 8696
Process controller Type 8693
Type 2301
English