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Electrical control unit
9
ELECTRICAL CONTROL UNIT
The Type 2301 valve can be combined with the following control
units:
• Type 8692
Positioner
• Type 8694
Positioner
• Type 8696
Positioner
• Type 8693
Process controller
The electrical port of the pilot valve or the control units
is described in the respective operating instructions of
the pilot valve/control unit.
Type 2301
10
MAINTENANCE, CLEANING
10.1
Safety instructions
DANGER!
Risk of injury from high pressure in the system.
▶ Before loosening lines and valves, turn off the pressure and
vent the lines.
Risk of injury due to electric shock.
▶ Before reaching into the system, switch off the power supply
and secure against reactivation.
▶ Observe the applicable accident prevention and safety regu-
lations for electrical devices!
WARNING!
Risk of injury due to improper maintenance work.
▶ Maintenance may be carried out by authorised technicians
only.
▶ Use an open-end wrench, never a pipe wrench, to screw the
valve body or actuator in or out, and observe the tightening
torque.
Risk of injury due to unintentional activation of the system
and uncontrolled restart.
▶ Secure the system against unintentional activation.
▶ Following maintenance, ensure a controlled restart.
English
29
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