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Electrical data, Installation, Safety instructions – Burkert Type 8690 User Manual

Page 15

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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

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