Burkert 8693 - MANUAL Operating State

37
Safety end positions
15 SAFETY END POSITIONS
Actuator
system
Designation
Safety end positions after
failure of the
electrical
auxiliary
power
pneumatic
auxiliary power
up
down
single-acting
Control
function
A
down
controlsystemfor
highairowrate
(DN2,5):
down
controlsystemfor
lowairowrate
(DN0,6):
notdened
up
down
single-acting
control
function
B
up
controlsystemfor
highairowrate
(DN2,5):
up
controlsystemfor
lowairowrate
(DN0,6):
notdened
up
down
double-acting
Control
function
I
down / up
(depending
onthe
installation
ofthe
pneumatic
connection)
notdened
Tab. 18: Safety end positions
16 REMOVAL OF TYPE 8692, 8693
WARNING
Risk of injury from improper disassembly.
▶ Removalmaybecarriedoutbyauthorizedtechniciansonly
andusingtheappropriatetools.
Risk of injury from unintentional activation of the system and
uncontrolled restart.
▶ Securesystemagainstunintentionalactivation.
▶ Followingdisassembly,ensureacontrolledrestart.
Sequence:
1. Removethepneumaticconnections.
2. Disconnecttheelectricalconnection.
3. Removetype8692,8693.
english
Type 8692, 8693 REV.2