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Siemens SED2-3/35B - User Manual

Siemens SED2-3/35B
126 pages
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SED2 variable speed drives
Operating instructions
CM1U5192en
01.2002
Siemens Building Technologies
HVAC Products

Table of Contents

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Siemens SED2-3/35B Specifications

General IconGeneral
Rated Power3 kW
Protection ClassIP20
Operating Temperature-10°C to +50°C
Output Voltage0-480 V AC
Communication InterfaceModbus RTU
Relative Humidity95% (non-condensing)
Altitude1000 m
Cooling MethodForced air cooling

Summary

Safety instructions

General Safety Precautions

Covers hazardous voltages, authorized personnel, and general safety rules.

Commissioning Safety

Details safety requirements for setup, installation, and commissioning.

Operation Safety

Highlights risks during operation, emergency stops, and restart procedures.

Repairs Safety

Specifies authorized personnel and precautions for repairs and component replacement.

Mechanical installation

Mounting Guidelines

Covers grounding, general regulations, and terminal safety for mounting.

Electrical installation

General Electrical Guidelines

Covers grounding, authorized personnel, and terminal voltage warnings.

EMC-Compatible Installation

Provides guidelines for minimizing electromagnetic interference.

EMC-Compatible Wiring

Details best practices for wiring to ensure EMC compliance.

Commissioning

Checklist Prior to Start

Provides a pre-start checklist for ensuring proper installation and readiness.

Commissioning Modes Overview

Presents an overview of commissioning procedures using BOP or AOP.

Quick Commissioning Procedure

Details the steps for quick commissioning using parameters P0010 and P3900.

Programming

Introduction to System Parameters

Explains how to change parameters via BOP, AOP, or serial interface.

Access to Parameters

Details parameter access levels and filtering for easier configuration.

Basic Functions of the SED2

Introduces core functions like digital and analog inputs/outputs.

HVAC Functions of the SED2

Introduces specific functions for HVAC applications.

PID Controller Configuration

Explains how to configure the PID controller for temperature, pressure, or speed control.

Belt Failure Detection Without Sensor

Details how to detect belt failure by monitoring torque/frequency curves.

Belt Failure Detection With Sensor

Describes using a sensor and pulse train for belt failure detection.

Staging Pumps or Fans

Explains controlling additional pumps/fans via the PID system and relay outputs.

Temperature Control with LG-Ni 1000 Sensor

Guides on connecting and configuring the LG-Ni 1000 sensor for temperature control.

Bypassing the VSD

Explains the integrated bypass function for applications requiring maximum motor output.

Hibernation Mode

Describes the hibernation function for reducing output frequency to 0 Hz after a set time.

System Parameter List

Parameter Overview (Levels 1-3)

Provides a comprehensive list of parameters, their default values, and access levels.

Troubleshooting

Troubleshooting Using the Operator Panel

Offers guidance on diagnosing common issues via the operator panel.

Error Code List

Lists error codes, their causes, diagnosis, and recommended reactions.

Warning Code Lists

Provides lists of warning codes, their causes, and suggested remedies.

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