Danfoss FC 102 Operating Instructions Manual

Also see for VLT AQUA Drive FC 202: Service guide Installation guide Installation guide Operating guide Installation guide

Contents

NOTICEA door fan(s) is required on the enclosure to remove theheat not contained in the backchannel of the frequencyconverters and any additional losses generated by othercomponents inside the enclosure. The total required airflow must be calculated so that the appropriate fans canbe selected.AirflowThe necessary airflow over the heat sink must be secured.The flow rate is shown in Table 3.2.NOTICEThe fan runs for the following reasons:• AMA• DC Hold• Pre-Mag• DC Brake• 60% of nominal current is exceeded• Specific heat sink temperature exceeded (powersize dependent)• Specific power card ambient temperatureexceeded (power size dependent)• Specific control card ambient temperatureexceededFrame Door fan/top fan Heat sink fanD1h/D3h 102 m3/hr (60 CFM) 420 m3/hr (250 CFM)D2h/D4h 204 m3/hr (120 CFM) 840 m3/hr (500 CFM)Table 3.2 Airflow3.3.2 LiftingAlways lift the frequency converter using the dedicatedlifting eyes. Use a bar to avoid bending the lifting holes.176FA245.10Illustration 3.1 Recommended Lifting MethodWARNINGRISK OF INJURY OR DEATHThe lifting bar must be able to handle the weight of thefrequency converter to ensure that it will not breakduring lifting.• See chapter 11.1 Power-dependent Specificationsfor the weight of the different enclosure types.• Maximum diameter for bar is 2.5 cm (1 inch).• The angle from the top of the frequencyconverter to the lifting cable should be 60° orgreater.Failure to follow recommendations could result in deathor serious injury.3.3.3 Wall Mounting - IP21 (NEMA 1) andIP54 (NEMA 12) UnitsConsider the following before selecting the final instal-lation site:• Free space for cooling• Access to open the door• Cable entry from the bottomInstallation Operating Instructions10 Danfoss A/S © Rev. 06/2014 All rights reserved. MG16D30233