5.3.7
Protective earth connection
In the case of PE conductors < 10 mm
²
, an additional PE conductor must be connected. The cross-
section must correspond at least to the cross-section of the PE conductor on the connecting lead. On
the ZAtop SM180there are hexagon head screws M6 available to connect the PE conductor.
Figure 5-3-7-01 - Protective earth connection
5.3.8
Temperature monitoring
•
The PTC thermistor motor protection must be connected.
•
Only connect to monitor inputs approved for PTC thermistors.
•
Maximum permissible test voltage for PTC thermistors 2.5 V DC.
5.3.9Connection diagram
Figure 5-3-9-01
1 Shielding
2 1 PTC thermistor per phase
3 Attention: Do not apply any voltage > 2.5 V!
Original operating instructions
ZAtop
–
model series SM180
Electrical installation
A-TBA17_05-GB 2008 Index 003Part.-No. 01015765-GB (EU-BD 845/1 + 845/2)
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