bürkert 3360 Schnellstartanleitung Seite 52

12.1.2 Electrical override of valve on devices
without a display module
WARNING!
Valve seat seal may be damaged as a result of electrical
manual override.
▶ Do not press the CLOSE button while the valve is closed or
else the valve seat seal may be damaged.
To actuate the valve, the device must be in MANUAL operating state.
The 2 buttons for actuating the valve and for setting the mode are
located under the blind cover.
Unlock blind cover
Buttons for actuation of the valve
Fig. 30: Set MANUAL operating state and actuate valve
52
DIP switch
MANUAL
operating state:
DIP 4  ON
English
Type 3360, 3361
Manualoverrideofvalve
Remove the blind cover:
Devices with ATEX approval or IECEx approval are
secured with a magnetic lock.
The removal of the cover is described in the supplementary
instructions for the electromotive control valves with ATEX
approval and IECEx approval.
→
To unlock the blind cover, turn it counterclockwise and remove.
Switch to MANUAL operating state:
→
Set DIP switch 4 to ON.
The device is in MANUAL operating state.
Change valve position:
→
To open, press the OPEN button
→
To close, press the CLOSE button.
WARNING! Do not press the CLOSE button again while the
valve is closed or else the valve seat seal may be damaged.
The valve position is to be detected on the mechanical position
indicator.
Switch to AUTOMATIC operating state:
→
Push DIP switch 4 down.
The device is back in AUTOMATIC operating state.
Close blind cover:
→
Mount blind cover and turn clockwise until the 2 marks (one
vertical line on the blind cover and on the actuator) are vertically
aligned.