Burkert 5282 EV Instructions De Service page 7

Function NC
The pilot valve is installed in such a way that the manual
emergency actuation points in the direction opposite to the
direction of flow arrow.
Function NO
The pilot valve is installed in such a way that the manual
emergency actuation points in the same direction as the
identification for the flow direction.
Funktion NC
Flow direction
Fig. 4: Valve functions (NC/NO
20 english
Extending closing
times
Fig. 5: Extending switching times
Reducing closing
times
Fig. 6: Reducing switching times
22 english
Funktion NO
)
Extending
opening times
Reducing
opening times
7.6. setting the switching times
The closing and opening times of the valve can be changed
if required with the side throttle screws.
note!
Pressure surges caused by liquid media and short
switching times!
• If closing times are fairly short, liquid media cause
higher pressure surges. These may reduce the service
life of the diaphragm and destroy other devices and
components in the system.
Caution!
Discharge of medium if the throttle screws are
unscrewed too far!
7.7. Electrical connection of the
cable plug
Danger!
Risk of injury due to electrical shock!
• Before reaching into the device or the equipment,
switch off the power supply and secure to prevent
reactivation!
• Observe applicable accident prevention and safety
regulations for electrical equipment!
If the protective conductor is not connected, there is a
risk of electric shock!
• Always connect protective conductor and check
electrical continuity between coil and housing.
Authorized cable plug
e.g. Type 2508 or other suitable
cable plug in accordance with DIN
ISO 175301-803 Form A
Fig. 7: Electrical connection of the cable plug
Type 5282 EV
english
21
max. 1 Nm
Seal
english
23