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Siemens Building Technologies Commissioning Guide CM1G5192en
HVAC Products Contents 26.02.2003
Contents
1 Safety and CE compliance ............................................................................5
2 Introduction ....................................................................................................6
2.1 General ............................................................................................................6
2.1.1 Types of system control ...................................................................................6
3 Mechanical installation..................................................................................6
3.1 Mounting ..........................................................................................................6
3.1.1 Protection class IP20 .......................................................................................6
3.1.2 Protection class IP54 .......................................................................................7
3.1.3 Ambient conditions ..........................................................................................7
4 EMC-compatible installation of SED2 ..........................................................8
4.1 Why EMC-compatible installation? ..................................................................8
4.2 Mounting IP20 versions of the VSD in a control cabinet..................................8
4.3 Mounting IP54 versions of the VSD.................................................................8
4.4 EMC-compatible wiring ....................................................................................9
4.4.1 Potential equalization and earthing..................................................................9
4.4.2 Routing of cables ...........................................................................................10
4.4.3 Cable shielding connections ..........................................................................12
5 Electrical installation ...................................................................................13
5.1 Wiring of SED2 IP54......................................................................................13
5.1.1 Dimensions of the cable entries in the gland plates of SED2 IP54................14
5.2 Wiring of SED2 IP20......................................................................................14
5.2.1 Access to connection terminals: Frame size A ..............................................14
5.2.2 Access to connection terminals: Frame sizes B and C..................................14
5.2.3 Access to connection terminals: Frame sizes D…F IP20 ..............................15
5.2.4 Power and motor terminals: Frame sizes A to F............................................16
5.2.5 Power connection for VSDs with a built-in EMC filter ....................................17
5.2.6 Tightening torque for connection terminals....................................................20
5.2.7 Dimensions of the cable entries in the gland plates of SED2 IP20................20
5.3 Connection of the motor.................................................................................21
5.3.1 Direction of rotation........................................................................................21
5.3.2 Star or delta connection.................................................................................21
5.3.3 External motor overload protection ................................................................22
5.4 Control terminals............................................................................................22
5.5 RS-485 shielding and grounding ...................................................................23
6 Commissioning ............................................................................................23
6.1 DIP switch settings ........................................................................................24
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