Bürkert 8691, Быстрый старт

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15
Fluid installation
control function a (cfa)
Process valve closed in rest position (by spring force)
Control head
Pilot air outlet
2
2
2
1
or
2
2
2
1
Actuator
Upper pilot air port
Lower pilot air port
control function B (cfB)
Process valve open in rest position (by spring force)
Control head
Pilot air outlet
2
2
2
1
or
2
2
2
1
Actuator
Upper pilot air port
Lower pilot air port
control function i (cfi)
Process valve in rest position closed open
Control head
Pilot air outlet
2
2
2
1
2
2
2
1
Actuator
Upper pilot air port
Lower pilot air port
Tab. 1: Pneumatic connection to actuator
8. fluiD inSTallaTion
8.1. Safety instructions
Danger!
risk of injury from high pressure!
• Before dismounting pneumatic lines and valves, turn off the
pressure and vent the lines.
risk of electric 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!
Warning!
risk of injury from improper installation!
• Installation may be carried out by authorized technicians only
and with the appropriate tools!
risk of injury from unintentional activation of the system and
an uncontrolled restart!
• Secure system from unintentional activation.
• Following installation, ensure a controlled restart.
english
Type 8691