Danfoss Turbocor TT Series, Service Manual

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Table of Contents
Table of Contents 3
Chapter 1.0 Introduction 17
1.1 Application 17
1.2 Purpose 19
1.3 Organization 19
1.4 Commitment to Quality and the Environment 20
1.5 Safety Summary 20
1.5.1 Danger Notification 20
1.5.2 Caution Notification 21
1.5.3 Note 21
1.6 Precautions 21
1.7 Refrigerant Type 21
1.8 Electrical Isolation 22
1.9 Handling Static Sensitive Devices 24
1.9.1 ESD Protection/Grounding 24
1.10 DC Bus Test Harness Installation and Removal 25
1.10.1 General Verification and Installation of the DC Bus Test Harness 26
1.10.2 DC Bus Test Harness Installation for Closed-Top Soft Start 27
1.10.3 DC Bus Test Harness Installation for Open-Top Soft Starts 30
1.10.4 General DC Bus Test Harness Removal 31
1.10.5 DC Bus Test Harness Removal for Closed-Top Soft Starts 31
1.10.6 DC Bus Test Harness Removal for Open-Top Soft Starts 31
1.11 Compressor Fasteners 32
1.12 General O-ring Handling 32
Chapter 2.0 Compressor Fundamentals 33
2.1 Main Fluid Path 33
2.2 Motor and Power Electronics Cooling 33
2.3 Capacity Control 37
2.4 Compressor Energy and Signal Flow 38
Chapter 3.0 Compressor Removal and Installation 41
3.1 Refrigerant Containment 41
3.2 Compressor Removal 41
3.3 Compressor Installation 42
3.4 Compressor Replacement Considerations for Motor Cooling Adapter 43
3.5 Exterior Connection Torque Specifications 45
M-SV-001-EN Rev. H-1/23/2023 Page 3 of 294