Electrical data, Installation, Safety instructions – Burkert Type 8690 User Manual
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15
Installation
6.7.
Electrical data
Connections:
Cable gland M16 x 1.5, wrench size 22
(clamping area 5 – 10 mm)
with screw terminals
for cable cross-sections 0.14 – 1.5 mm²
Supply voltage
Pilot valve
see “3.1.6. Temperature ranges and electrical
data in the Ex area”
Proximity switches see “3.1.6. Temperature ranges and electrical
Power consumption
of pilot valve:
see “3.1.6. Temperature ranges and electrical
data in the Ex area”
Position feedback : 1 or 2x Proximity switch NAMUR (8 V DC)
Max. permissible
surface temperature see “3.1.6. Temperature ranges and electrical
7.
insTallaTiOn
Only for Pneumatic Control Unit without pre-assembled
process valve.
7.1.
safety instructions
DangEr!
risk of injury from high pressure!
• Before loosening the lines and valves, turn off the pressure and
vent the lines.
risk of electric shock!
• Before reaching into the system, switch off the voltage 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 Ex