Danfoss Turbocor TTS Series Guide de l'utilisateur

Applications and Installation Manual - Revision S

Danfoss Turbocor® Twin-Turbine

Centrifugal Compressors

TTS/TGS/TTH/TGH Compressors

http://turbocor.danfoss.com |

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Table of Contents

Table of Contents 3

Chapter 1.0 Introduction 11

1.1 Scope 11

1.2 Document Symbols 11

Chapter 2.0 Compressor Overview 19

2.1 TTS/TGS/TTH/TGH Compressor Nomenclature 19

2.2 Refrigerant Type 21

2.3 Environment 21

2.4 Configurations of the TTS/TGS/TTH/TGH Compressor Models 22

2.5 Compressor Module 23

Chapter 3.0 Functional Description 25

3.1 Main Fluid Path 25

3.2 Motor Cooling 26

3.3 Inlet Guide Vanes 29

3.4 Compressor Control Overview 30

3.4.1 Motor Drive System 30

3.4.2 Soft Start 31

3.4.3 Bearing Motor Compressor Controller 31

3.4.4 Compressor Control 31

3.4.5 Capacity Control 31

3.4.6 Expansion Valve Control 31

3.4.7 Motor/Bearing Control 31

3.4.8 Monitoring Functions 32

3.4.9 Abnormal Conditions 32

3.4.10 Bearing PWM Amplifier 32

3.4.11 Serial Driver 32

3.4.12 Backplane 32

3.4.13 High-Voltage DC-DC Converter 33

3.5 Magnetic Bearing System 33

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3.5.1 Overview 33

3.5.2 Bearing Control System 33

Chapter 4.0 Control Interface Wiring 35

4.1 Control Wiring Connection Guidelines 37

4.2 Interface Cable 38

4.3 Compressor I/O Board Mounting Details 39

4.3.1 Compressor I/O Board Mounting Instructions 39

Chapter 5.0 General Specifications 41

5.1 Construction 41

5.2 Maximum Pressure 41

5.3 Maximum Discharge Temperature 41

5.4 Suction Pressure Limits 42

5.5 Standards Compliance 43

Chapter 6.0 Electrical Specifications 45

6.1 Supply Voltage and Frequency 45

6.2 Voltage Sag Immunity 45

6.3 Compressor Current Limit and Operating Range Settings 45

6.4 Disconnects 47

6.5 Motor Insulation Class 47

6.6 AC Input Line/Power Electronic Component Protection 47

6.7 Power Line Contactor 48

6.8 CE Compliance and EMI/EMC Filtering 48

6.9 Surge Protection 49

6.10 Line Reactor 49

6.11 Harmonic Current Filtering (IEEE 519) 49

6.12 Grounding (Earth) Connection Guidelines 49

6.13 Equipment Panel 50

6.14 Mains Input Cable Specification 51

6.15 Idle Power Consumption 51

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Chapter 7.0 Compressor Performance 53

7.1 Performance Ratings 53

7.2 Tolerance of Performance Ratings 53

Chapter 8.0 Operating Envelopes 55

Chapter 9.0 Minimum Unloading Capacity 67

Chapter 10.0 Control Logic Guidelines for Multiple Compressors 69

Chapter 11.0 Product Certification 71

Chapter 12.0 Guide Specifications 73

12.1 General 73

12.2 Refrigerant 73

12.3 Compressor Bearings 73

12.4 Capacity Control 73

12.5 Compressor Motor 73

12.6 Compressor Electronics 73

12.7 Ancillary Devices 73

Chapter 13.0 System Design Guidelines 75

13.1 General Requirements 75

13.2 Economizer Option 76

13.3 Motor/Electronics Cooling Requirements 76

13.4 Electrical Requirements 77

13.5 Application-Specific Requirements 77

13.5.1 Medium Evaporating Temperature Application (TGS230/TTS300/TGH285/TTH375) 77

13.5.2 High Evaporating Temperature Application (TGS310/TTS350/TGS490/TGS390/TTS400/TGS520/TTS700) 77

13.5.3 Limited Capacity at Low Pressure Ratios 78

13.5.4 Low Lift Application 78

Chapter 14.0 Sample Refrigeration Circuits 81

Chapter 15.0 Sound and Power Specifications 91

15.1 TTS300 and TTS400 Sound Power Measurements 91

15.1.1 Results 91

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Chapter 16.0 Physical Data 95

16.1 Clearance 95

Chapter 17.0 Piping Considerations 109

Chapter 18.0 Environmental Considerations 111

18.1 Humidity 111

18.2 Vibration 111

Chapter 19.0 Shipping Considerations 113

19.1 Vibration 113

Chapter 20.0 Installation 115

20.1 Unpacking and Inspection 115

20.2 Rigging Requirements 115

20.3 Unit Placement 115

20.4 Mounting Base 116

20.5 Piping Connections 117

20.6 Control Wiring 118

20.6.1 Control Wiring Connections 118

20.6.2 Circuit Grounding 119

20.6.3 Voltage-Free Contacts 120

20.7 Power Wiring 121

Appendix A 125

A.1 Line Reactor Installation Instructions 125

Appendix B 127

B.1 EMI/EMC Filter Installation Instructions 127

Appendix C 129

C.1 Pressure Regulating Valve Installation Instructions 129

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List of Changes

Revision Date Page Description of Change

P 06-12-2019 Redevelopment of manual

to include TTH/TGH

compressors

P.1 12-12-2019 Update to include TG490

and Medium Temp

Q 04-06-2020 Major Revision H upgrade

R 02-01-2021 Includes High SST and

general review/update

S 07-29-2021 Complete review/many

small changes made

Includes new TTS 575V

option

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Proprietary Notice

This page contains proprietary information to Danfoss LLC. This publication is protected under the Copyright laws of

the United States of America (USA) and most other countries. This work is owned by Danfoss LLC, and was published

as of the most recent revision of this publication, as indicated on the Title page of this document. This document is

for the use Danfoss LLC customers and prospective customers only. Any use beyond that is prohibited.

Tests have demonstrated that equipment produced according to the guidelines provided in this manual will

function properly, however Danfoss LLC cannot guarantee the equipment to work in every physical, hardware or

software environment.

The guidelines provided in this manual are provided “AS-IS” without any warranty of any kind, either express or

implied, including, without limitation, any implied warranties of condition, uninterrupted use, merchantability,

fitness for a particular purpose.

In no event shall Danfoss LLC be liable for direct, indirect, special, incidental or consequential damages arising out of

the manufacture, use, or the inability to manufacture or use information contained in this manual, even if advised of

the possibility of such damages. In particular, Danfoss LLC is not responsible for any costs, including but not limited

to those incurred as a result of lost profits or revenue, loss of damage or equipment, loss of computer programs, loss

of data, the costs to substitute these, or any claims by third parties. In any event, the total aggregate liability for all

damages of any kind and type (regardless of whether based in contract or tort) of Danfoss LLC, shall not exceed the

purchase price of this product.

Danfoss LLC reserves the right to revise the publication at any time and to make changes to its contents without

prior notice or any obligation to notify former or present users of such revisions or changes.

Danfoss Turbocor Compressors Inc.

1769 East Paul Dirac Drive

Tallahassee, Florida 32310

USA

Phone 1-850-504-4800

Fax 1-850-575-2126

http://turbocor.danfoss.com

Encounter an error or see an opportunity for improvements while reading this manual? Email us at

[email protected] with a brief description.

* Subject to change without notice.

* Danfoss Turbocor’s commitment to excellence ensures continuous product improvements.

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