Burkert Type 8635 - Manual (Page 90)

88 - 8635
O
PERATING AND
C
ONTROLLER
F
UNCTIONS
Displays in the operating mode MANUAL
The last display set in the AUTOMATIC mode is shown.
By selecting
POS_XXX, the actual value of the valve actuator can be checked.
Operating mode MANUAL
In the MANUAL mode, the valve can be opened and closed by hand.
Meaning of the keys in the operating mode MANUAL
Press the key in the MANUAL mode:
actuator pressurized (SFA*: valve opens, SFB*: valve closes)
Press the key in the MANUAL mode:
actuator vented (SFA*: valve closes, SFB*: valve opens)
Hold down the key and simultaneously press the key:
fast pressurization of actuator (SFA*: valve opens, SFB*: valve closes)
Hold down the key and simultaneously press the key:
fast venting of actuator (SFA*: valve closes, SFB*: valve opens)
*SFA: actuator closes by spring force
*SFB: actuator opens by spring force
+
+
MANUAL mode
Valve closes
at normal
speed
AUTOMATIC mode
No
operating
action
release (> 5 s)
Configuration
Menu item
Release key Release key
Valve closes
fast
Valve opens
at normal
speed
Valve opens
fast
release
END