Contents | IllustrationIllustration 2.1: 36Illustration 2.2: Galvanic isolation 44Illustration 3.1: Derating of I 63Illustration 3.2: Derating of I 63Illustration 3.3: Derating of I 63Illustration 3.4: Derating of I 63Illustration 3.5: Derating of I 64Illustration 3.6: Derating of I 64Illustration 3.7: Derating of I 64Illustration 3.8: Derating of I 64Illustration 3.9: Derating of output current versus altitude at T 64Illustration 3.10: Principle Diagram 69Illustration 3.11: Connection to 24 V back-up supplier (A2-A3). 73Illustration 3.12: Connection to 24 V back-up supplier (A5-C2). 73Illustration 3.13: Principle diagram for Analog I/O mounted in frequency converter. 74Illustration 5.1: How to connect to mains and earthing (A2 and A3 enclosure). 86Illustration 5.2: How to connect to mains and earthing (A5 enclosure). 86Illustration 5.3: How to connect to mains and earthing (B1 and B2 enclosure). 86Illustration 5.4: How to connect to mains and earthing (C1 and C2 enclosure). 86Illustration 5.5: Terminals for mains and earthing. 87Illustration 5.6: How to connect to mains and earthing with disconnector (A5 enclosure).87Illustration 5.7: 88Illustration 5.8: Motor connection for enclosures A2 and A3 88Illustration 5.9: Motor connection for 88Illustration 5.10: Motor connection for enclosure B1 and B2 89Illustration 5.11: Motor connection for enclosure C1 and C2 89Illustration 5.12: A1, A2 and A3 enclosures 93Illustration 5.13: A5, B1, B2, C1 and C2 enclosures 93Illustration 5.14: Control terminals (all enclosures) 93Illustration 5.15: Terminal 37 available with Safe Stop Function only! 94Illustration 5.16: Terminal 37: Safe Stop input available with Safe Stop Function only! 95Illustration 5.17: Terminals for relay connection 100Illustration 5.18: USB connection. 104Illustration 5.19: EMC-correct electrical installation of an IP20 frequency converter. 107Illustration 6.1: Terminal 37: Available only with Safe Stop Function! 111Illustration 6.2: Terminal 37: Available only with Safe Stop Function! 111Illustration 7.1: Network Terminal Connection 122VLT® HVAC Drive Design Guide ContentsMG.11.B2.02 - VLT® is a registered Danfoss trademark 3