Operating Instructions

SED2 VFD Startup, Operation, and Maintenance Manual
ii Siemens Building Technologies, Inc.
Ungrounded Systems and Y Capacitor ....................... 25
Access to Connection Terminals ................................. 28
Motor Frequency and Unit of Measurement
DIP Switches ............................................................... 31
Input Power and Motor Terminal Layout ..................... 32
Tightening Torque for Input Power and
Motor Connections....................................................... 34
Cable Cross-Sections for Input Power and
Motor Cables ............................................................... 34
Input Power Connection .............................................. 37
Motor Cable Length ..................................................... 38
Motor Connection (Wye "Y"/Star or
Delta Configuration)..................................................... 39
Direction of Motor Rotation.......................................... 40
Motor Overload Protection........................................... 41
Connection of Multiple Motors ..................................... 42
Analog Input DIP Switches .......................................... 43
Control Terminal Connections .......................................... 44
Control Terminal Layout .............................................. 44
Analog and Digital I/O Control Terminal
Connections................................................................. 47
Parameters............................................................................ 49
Overview ........................................................................... 49
Parameter Structure.......................................................... 49
Parameter Indexes............................................................ 50
SED2 Operator Panels......................................................... 52
Overview ........................................................................... 52
Basic Operator Panel (BOP)............................................. 52
Advanced Operator Panel (AOP) ..................................... 53
BOP Display and Pushbuttons ......................................... 53
Commissioning .................................................................... 56
Motor Nameplate Data for Parameter Settings ................ 57
Prerequisites to Startup Procedure................................... 58
SED2 (stand-alone) Startup Procedure ............................ 60
Quick Commissioning Procedure ..................................... 62