1770–2150 5 1900–2250 6 For more information on the power losses in all operating conditions, see http://ecosmart.danfoss.com/. 5.2.1 Ventilation of the Cabinet The enclosure door must be provided with air gaps for air intake. To achieve sufficient cooling inside the cabinet, the dimensions for...
3.6 kHz 150 m (492 ft) at 690 V level 1.5 kHz For longer cable lenghts, contact Danfoss. 6.7.2 Installing the Cables, FR8 Follow these instructions to install the cables. For information on how to comply with the UL regulations in cable installations, see 6.1.2 UL Standards on...
10.1 Preventive Maintenance Recommendations Generally, all technical equipment, including Danfoss AC Drives need a minimum level of preventive maintenance. Regular mainte- nance is recommended to ensure trouble-free operation and long life of the drive. It is also recommended, as a good service prac- tice to record a maintenance log with counter values, date, and time describing the maintenance and service actions.
If the AC drive or spare capacitors are intended to be stocked, discharge the capacitors before storage. Use a measuring de- vice to make sure that there is no voltage. If in doubt, contact your Danfoss Drives representative. Case 1: AC drive which has been non-operational or stocked for over 2 years.
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