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Danfoss TT350 Series

Danfoss TT350 Series
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Danfoss Turbocor® Twin-Turbine
Centrifugal Compressors
TT & TG Series Compressors
Applications and Installation Manual - Revision N
http://turbocor.danfoss.com
®

Table of Contents

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Danfoss TT350 Series Specifications

General IconGeneral
BrandDanfoss
ModelTT350 Series
CategoryCompressor
LanguageEnglish

Summary

Functional Description

Main Fluid Path

Describes the flow of refrigerant through the compressor from suction to discharge.

Motor Cooling

Explains the system for cooling the compressor's electronic and mechanical components.

Compressor Control Overview

Presents a functional block diagram of the compressor control and monitoring system.

Magnetic Bearing System

Details the magnetic bearing system used for shaft levitation and control.

Control Interface Wiring

General Specifications

Electrical Specifications

Supply Voltage and Frequency

Details the acceptable voltage and frequency ranges for compressor operation.

Compressor Current Limit and Operating Range Settings

Explains settings for Full Load Amperage (FLA) and Locked Rotor Amperage (LRA).

AC Input LinePower Electronic Component Protection

Covers protection requirements for power electronics against over current.

Compressor Performance

Performance Ratings

Describes how to determine compressor capacity, efficiency, and operational data.

Operating Envelopes

Operating Envelopes

Presents the operational limits for TT300 and TG230 compressors.

Minimum Unloading Capacity

Control Logic Guidelines for Multiple Compressors

Guide Specifications

System Design Guidelines

Piping Considerations

Installation

Piping Connections

Details the steps for connecting suction, discharge, and motor-cooling lines.

Control Wiring

Explains how to connect the compressor I/O board for communication and status signals.

Power Wiring

Describes the connection of power wiring to the compressor's electrical connections.

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