Burkert Type 2301 - Manual (Page 28)

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Maintenance, cleaning
8.5 removal
Danger!
risk of injury from discharge of medium and pressure!
It is dangerous to remove a device which is under pressure due to
the sudden release of pressure or discharge of medium.
▶ Before removing a device, switch off the pressure and vent the
lines.
procedure:
→
Loosen the pneumatic connection.
→
Remove the device.
9 elecTrical cOnTrOl uniT
The valve Type 2301 can be combined with following control units:
• Type 8692
Positioner
• Type 8694 Positioner
• Type 8696 Positioner
• Type 8693 Process controller
The electrical connection of the pilot valve or the control
unit is described in the respective operating instructions for
the pilot valve/control unit in the chapter titled “Installation”.
10 mainTenance, cleaning
10.1 safety instructions
Danger!
danger – high pressure in the equipment!
▶ Before loosening the lines and valves, turn off the pressure and
vent the lines.
risk of injury due to electrical shock!
▶ Before reaching into the system, switch off the power supply
and secure to prevent reactivation!
▶ Observe applicable accident prevention and safety regulations
for electrical equipment!
Warning!
risk of injury from improper maintenance!
▶ Maintenance may be performed by authorised technicians only!
▶ To screw on or unscrew valve body or actuator, use an open-
end wrench, never a pipe wrench, and observe tightening
torques.
risk of injury from unintentional activation of the system and
an uncontrolled restart!
▶ Secure system from unintentional activation.
▶ Following maintenance, ensure a controlled restart.
english
Type 2301