Siemens SED2 Operations Instructions Page 3

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Siemens Building Technologies SED2 variable speed drives CM1U5192en
HVAC Products Introduction 01.2002
Table of contents
1 Introduction ...................................................................................................7
1.1 Purpose of this document .............................................................................7
1.2 Validity...........................................................................................................7
1.3 Target audience ............................................................................................7
1.4 Document structure.......................................................................................7
1.5 Referenced documents .................................................................................7
1.6 Document conventions..................................................................................8
1.7 Environmental compatibility and disposal .....................................................9
2 Safety instructions.......................................................................................11
2.1 General........................................................................................................11
2.2 Commissioning............................................................................................11
2.3 Operation.....................................................................................................12
2.4 Repairs........................................................................................................12
3 Mechanical installation ................................................................................13
3.1 Installing the SED2 after extended storage.................................................13
3.2 Ambient conditions......................................................................................13
3.3 Mounting......................................................................................................14
3.3.1 Dimensions of SED2 drives with IP20/NEMA 0 rating ................................14
3.3.1.1 Dimensions of SED2 frame sizes A to C.....................................................14
3.3.1.2 Dimensions of SED2 footprint filters for frame sizes A to C........................15
3.3.1.3 Dimensions of SED2 frame sizes D to F.....................................................15
3.3.2 Dimensions of SED2 drives with IP54/NEMA 12 rating ..............................16
3.3.2.1 Dimensions of SED2 frame sizes B and C..................................................16
3.3.2.2 Dimensions of SED2 frame sizes D to F.....................................................16
3.3.3 Mounting SED2 drives with IP20/NEMA 0 rating ........................................17
3.3.4 Mounting SED2 drives with IP54 / NEMA 12 rating ....................................18
4 Electrical installation....................................................................................19
4.1 General........................................................................................................19
4.1.1 Maximum length of motor cables ................................................................19
4.1.2 Operation with ungrounded systems...........................................................19
4.1.2.1 Precautions for ungrounded systems (IT protective systems) ....................19
4.1.3 Operation with a residual current device (RCD)..........................................22
4.2 EMC-compatible installation........................................................................23
4.2.1 EMC-compatible wiring ...............................................................................23
4.3 Mains and motor connections .....................................................................25
4.3.1 Access to connection terminals: Frame size A............................................26
4.3.2 Access to connection terminals: Frame sizes B and C ...............................27
4.3.3 Access to connection terminals: Frame sizes D to F IP20..........................28
4.3.4 Power and motor terminals: Frame sizes A to F .........................................30
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