Electrical Installation With Cable Gland - Burkert 3320 Operating Instructions Manual

Types 3320 and 3321
Electrical installation
10.2

Electrical installation with cable gland

10.2.1 Safety instructions
WARNING!
Risk of injury due to improper installation.
▶ Installation may be carried out by authorised technicians only and with the appropriate tools.
▶ Observe general engineering standards & rules during installation.
Risk of injury due to unintentional activation of the system and uncontrolled restart.
▶ Secure plant to prevent unintentional activation.
▶ Following installation, ensure a controlled restart.
NOTE!
To ensure electromagnetic compatibility (EMC) the functional earth must be connected to earth with a
short line (max. 1 m). The functional earth must have a cross-section of at least 1.5 mm
10.2.2 Access to connection terminals
To access the terminals, open the device as described below.
Devices with ATEX approval or IECEx approval are secured with a magnetic lock.
The removal of the cover is described in the supplementary instructions for the electromotive
control valves with ATEX approval and IECEx approval.
1. Remove blind cover:
→
To unlock the blind cover, turn it counterclockwise and remove.
Image 16: Remove blind cover
Unlock
blind cover
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