Burkert Type 8690 - Manual (Page 15)

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
data in the Ex area”
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
data in the Ex area”
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