Burkert Type 8690 - Manual (Page 21)

21
Electricalinstallation
Exhaust air
connection
label: 3
Pilot air port
label: 1
Fig. 16: Pneumatic connection
Caution: (Exhaust air concept):
In compliance with degree of protection IP67, an exhaust air
line must be installed in the dry area.
Keep the adjacent supply pressure always at least 0.5 –
1 bar above the pressure which is required to move the
actuator to its end position.
9 elecTrical insTallaTiOn
Two kinds of connections are used for the electrical bonding of the
Pneumatic Control Unit:
• cable gland
with cable gland M16 x 1.5 and screw terminals
• multi-pole
with circular plug-in connector M12 x 1, 8-pole.
9.1 safety instructions
Danger!
risk of electric shock.
▶ Before working on equipment or device, 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 8690