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Danfoss TGH285

Danfoss TGH285
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Danfoss Turbocor® Twin-Turbine
Centrifugal Compressors
TTS/TGS/TTH/TGH Compressors
Applications and Installation Manual - Revision Q
http://turbocor.danfoss.com
®

Table of Contents

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Danfoss TGH285 Specifications

General IconGeneral
TypeHermetic reciprocating compressor
RefrigerantR134a
Frequency50Hz
Oil TypePOE oil
Connection SizesSuction: 1/2" SAE, Discharge: 3/8" SAE

Summary

Safety and Warning Symbol Definitions

Functional Description of Compressor Operation

Compressor Control System Overview

Magnetic Bearing Control System

Explains the operation of the bearing control system and position feedback.

Control Interface Wiring

Wiring Connection Guidelines and Cables

Compressor IO Board Mounting

IO Board Mounting Instructions

Step-by-step guide for installing the compressor I/O board onto a DIN rail.

General Compressor Specifications

Maximum Operating Pressure Limits

Defines alarm and trip limits for discharge and suction pressures.

Discharge and Suction Pressure Limits

Maximum Discharge Temperature Settings

Specifies the trip settings for maximum discharge temperature.

Suction Pressure Alarm and Trip Settings

Details the alarm and trip limits for suction pressure.

Electrical Specifications and Protection

Compressor Current Limit Settings

Covers FLA and LRA value ranges and their configuration.

AC Input Line Protection

Guidelines for protecting input power and electronic components.

Electrical Safety and Filtering

Grounding (Earth) Connection Guidelines

Best practices for establishing proper grounding connections.

Compressor Performance Characteristics

Operating Envelopes for Compressor Models

TTS300 TGS230 Operating Envelope

Chart showing operating limits for TTS300 and TGS230 models.

TTS300 TGS230 MT Operating Envelope

Operating envelope chart for medium temperature TTS300/TGS230.

TTS350 TGS310 TGS490 Operating Envelope

Chart detailing operating limits for TTS350, TGS310, and TGS490.

TTS400 TGS390 Operating Envelope

Operating envelope chart for TTS400 and TGS390 models.

TTS700 TGS520 Operating Envelope

Chart showing operating limits for TTS700 and TGS520 models.

TTH375 TGH285 Operating Envelope

Operating envelope chart for TTH375 and TGH285 models.

Minimum Unloading Capacity

Control Logic for Multiple Compressors

Guide Specifications for Turbocor Compressors

Compressor Magnetic Bearing System

Details the magnetic bearing system for shaft levitation and support.

Capacity Control Mechanisms

Explains VFD use for capacity modulation and IGV integration.

Compressor Electronics and Ancillary Devices

System Design Guidelines

Sample Refrigeration Circuits

Physical Data and Dimensions

Flange Footprint and Torque Specifications

Torque Specifications for Components

Lists recommended torque values for various compressor fasteners and fittings.

Piping Considerations

Installation Procedures

Unpacking and Inspection Process

Steps for inspecting the compressor for damage and reporting issues.

Rigging and Handling Requirements

Guidelines for safely rigging and positioning the compressor.

Unit Placement and Mounting Base

Instructions for compressor placement and ensuring a level mounting base.

Piping Connections and Sealing

Steps for attaching suction, discharge, and motor cooling lines.

Control Wiring Connections to IO Board

Details on connecting the interface cable to the compressor I/O board.

Electrical Connections and Grounding

Power Wiring Procedures

Describes the steps for connecting the power wiring to the compressor.

Typical Electrical Connection Schematics

Provides a typical schematic for compressor electrical connections.

Line Reactor Installation

EMIEMC Filter Installation

Grounding Diagram for Filter

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