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Electrical control unit
9 ELECTRICAL CONTROL UNIT
TheType2301valvecanbecombinedwiththefollowingcontrol
units:
• Type8692 Positioner
• Type8694 Positioner
• Type8696 Positioner
•
Type8693 Processcontroller
Theelectricalportofthepilotvalveorthecontrolunits
isdescribedintherespectiveoperatinginstructionsof
thepilotvalve/controlunit.
10 MAINTENANCE, CLEANING
10.1 Safety instructions
DANGER!
Risk of injury from high pressure in the system.
▶ Beforelooseninglinesandvalves,turnothepressureand
ventthelines.
Risk of injury due to electric shock.
▶ Beforereachingintothesystem, switchothepowersupply
and secure against reactivation.
▶ Observetheapplicableaccidentpreventionandsafetyregu-
lationsforelectricaldevices!
WARNING!
Risk of injury due to improper maintenance work.
▶ Maintenancemaybecarriedoutbyauthorisedtechnicians
only.
▶ Useanopen-endwrench,neverapipewrench,toscrewthe
valvebodyoractuatorinorout,andobservethetightening
torque.
Risk of injury due to unintentional activation of the system
and uncontrolled restart.
▶ Securethesystemagainstunintentionalactivation.
▶ Followingmaintenance,ensureacontrolledrestart.
Type2301
English