Electrical.installation.with.cable.gland; Safety Instructions - Burkert 8692 Operating Instructions Manual

Type 8692, 8693
Installation
13.3 Electrical installation with cable gland
13.3.1 Safety instructions
DANGER!
Risk.of.injury.due.to.electrical.shock!
▶ Before reaching into the system, 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.uncontrolled.restart!
▶ Secure system against unintentional activation.
▶ Following installation, ensure a controlled restart.
Using the 4 – 20 mA set-point value input
If several devices of Type 8692/8693 are connected in series and the power supply to a device in this
series connection fails, the input of the failed device becomes highly resistive. As a result, the 4 – 20 mA
standard signal fails. In this case please contact Bürkert Service directly.
Vorgehensweise:
→
Loosen the 4 screws of the connection cover and remove the cover. The connection terminals are now
accessible.
→
Push the cables through the cable gland.
→
Connect the wires. The terminal assignment can be found in the tables below.
→
Tighten the union nut of the cable gland (tightening torque approx. 1.5 Nm).
→
Place the connection cover with inserted seal onto the electrical connection housing and tighten cross-wise
(tightening torque max. 0.7 Nm).
NOTE!
Damage.or.malfunction.due.to.ingress.of.dirt.and.moisture!
To comply with the degree of protection IP65 / IP 67:
▶ Close all unused cable glands with dummy plugs.
▶ Tighten the union nut of the cable gland.
Tightening torque depends on cable size or dummy plug approx. 1.5 Nm.
▶ Only screw on connection cover with the seal inserted. Tightening torque max. 0.7 Nm.
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