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Siemens Building Technologies SED2 variable speed drives CM1U5192en
HVAC Products Introduction 01.2002
6.3.3 Analog outputs ............................................................................................60
6.3.4 Frequency setpoint (P1000)........................................................................62
6.3.5 Selecting the command source (P0700) .....................................................62
6.3.6 OFF functions..............................................................................................63
6.3.7 Control types...............................................................................................63
6.3.8 Communication ...........................................................................................63
6.4 HVAC functions of the SED2 ......................................................................64
6.4.1 PID controller ..............................................................................................64
6.4.2 Belt failure detection without sensor (P2181)..............................................65
6.4.3 Belt failure detection with sensor (P0400)...................................................67
6.4.4 Staging pumps or fans ................................................................................68
6.4.5 Temperature control with LG-Ni 1000 sensor .............................................72
6.4.6 Bypassing the VSD .....................................................................................73
6.4.7 Hibernation mode........................................................................................75
6.5 System parameter list for levels 1 to 3........................................................77
6.6 Overview of factory and user parameter settings......................................105
7 Troubleshooting ........................................................................................107
7.1 Troubleshooting using the operator panel.................................................107
7.2 Error messages.........................................................................................108
7.2.1 Error code list ............................................................................................108
7.2.2 Warning code lists.....................................................................................111
8 Technical data for the SED2 .....................................................................113
8.1 General technical data ..............................................................................113
8.2 Type-specific data.....................................................................................115
9 Appendix ...................................................................................................119
9.1 Options......................................................................................................119
9.1.1 Retrofitting EMC filters for VSD frame sizes A to C ..................................120
9.2 Applicable standards.................................................................................120
9.3 List of abbreviations ..................................................................................121
9.4 Index .........................................................................................................123
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