Table of Contents

Table of Contents

 

How to Use this Manual

1

Manual Organization

1

Manual Notations

1

Where To Send Comments

2

Reference Documents

2

Safety Instructions

3

Electronic Bypass Option Overview

4

General Description

4

Controller Board

5

Contactors

6

Keypad Functions

6

Installation Instructions

9

Environmental Conditions

9

Mechanical Installation

9

Inspection

9

Dimensions and Weights

9

Mounting

10

Electrical Installation

12

Startup Procedures

19

Safety Precautions

19

Installation Inspection

19

Power-On

19

Quick Commissioning

21

Additional Parameter Settings

31

Flying Start

31

Automatic Restart

33

Vdc Controller

36

Pulse Frequency

37

Motor Data Identification

38

Reset to Factory Defaults

40

Required SED2 Parameter Settings

41

Siemens Building Technologies, Inc.

i

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Siemens 125-3208 operating instructions Table of Contents