Turbimax CUS50D
Electrical connection
Hauser
23
6.2
Ensuring the degree of protection
Only the mechanical and electrical connections which are described in these instructions and
which are necessary for the required, designated use, may be carried out on the device
delivered.
‣
Exercise care when carrying out the work.
Individual types of protection permitted for this product (impermeability (IP), electrical safety,
EMC interference immunity) can no longer be guaranteed if, for example :
• Covers are left off
• Different power units to the ones supplied are used
• Cable glands are not sufficiently tightened (must be tightened with 2 Nm (1.5 lbf ft) for the
permitted level of IP protection)
• Unsuitable cable diameters are used for the cable glands
• Modules are not fully secured
• The display is not fully secured (risk of moisture entering due to inadequate sealing)
• Loose or insufficiently tightened cables/cable ends
• Conductive cable strands are left in the device
6.3
Post-connection check
Device condition and specifications
Action
Are the sensor, assembly, or cables free from damage on the
outside?
‣
Perform a visual inspection.
Electrical connection
Action
Are the mounted cables strain-relieved and not twisted?
‣
Untwist the cables.
Is a sufficient length of the cable cores stripped, and are the
cores positioned in the terminal correctly?
‣
Pull gently to check they are seated correctly.
Are all the screw terminals properly tightened?
‣
Tighten the screw terminals.
Are all cable entries mounted, tightened and leak-tight?
In the case of lateral cable entries:
‣
Point cable loops downward so that water can
drip off.
Are all cable entries installed downwards or mounted laterally?
