EN – Translation of the original user manual - 2.0 | 2019
1.7 GENERAL INFORMATION REGARDING THE ELECTRICAL
CONNECTIONS
Electrical connections must be made compliant with the supplied wiring diagram.
It is important that the system is correctly earthed (Protective grounding in
accordance with DIN VDE).
Because EMC-related suppression components can leak current to the earth cable,
it is advisable that you do not protect the control unit with a Residual Current
Device. When switching on the system, a high starting current can be generated
due to the charging of the intermediate circuit.
If after measurement during commissioning it appears that the leakage current
exceeds the permitted 3.5 mA, an additional grounding, in accordance with EN
60335-1 and IEC 30364-5-54, must be provided. Measurement is made according
to EN 60335-2-103. Consult your installer for this.
Take into account good shielding, for example an automatic circuit breaker 16A B
characteristic.
Ensure that the feeder cables are not carrying power during commissioning.
1.8 DELIVERY OF DRIVE UNIT
After installation and commissioning, by a Heras technician or a technician
trained by Heras, the cover of the drive unit must be closed. This is done to
prevent unauthorised access.
1.9 HMD24
The HMD24 will be delivered as a complete drive and control unit, including gear
wheel module 6.
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