Danfoss Turbocor TTS Series

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Figure 14-6 Typical Refrigeration Piping Schematic Using Motor-Cooling Pressure Regulating Valve (TTH/TGH Medium

Temperature Compressors Only)

NOTE

l * Service valves are optional

l Closed type economizer shown; open type can also be used

Page 86 of 136 - M-AP-001-EN Rev. S 9/8/2021

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default chapter3
- Table of Contents3
Chapter 1.0 Introduction11
- Scope11
- Document Symbols11
Chapter 2.0 Compressor Overview19
- TTS/TGS/TTH/TGH Compressor Nomenclature19
- Refrigerant Type21
- Environment21
- Configurations of the TTS/TGS/TTH/TGH Compressor Models22
- Compressor Module23
Chapter 3.0 Functional Description25
- Main Fluid Path25
- Motor Cooling26
- Inlet Guide Vanes29
- Compressor Control Overview30
- Motor Drive System30
- Soft Start31
- Bearing Motor Compressor Controller31
- Compressor Control31
- Capacity Control31
- Expansion Valve Control31
- Motor/Bearing Control31
- Monitoring Functions32
- Abnormal Conditions32
- Bearing PWM Amplifier32
- Serial Driver32
- Backplane32
- High-Voltage DC-DC Converter33
- Magnetic Bearing System33
- Overview33
- Bearing Control System33
Chapter 4.0 Control Interface Wiring35
- Control Wiring Connection Guidelines37
- Interface Cable38
- Compressor I/O Board Mounting Details39
- Compressor I/O Board Mounting Instructions39
Chapter 5.0 General Specifications41
- Construction41
- Maximum Pressure41
- Maximum Discharge Temperature41
- Suction Pressure Limits42
- Standards Compliance43
Chapter 6.0 Electrical Specifications45
- Supply Voltage and Frequency45
- Voltage Sag Immunity45
- Compressor Current Limit and Operating Range Settings45
- Disconnects47
- Motor Insulation Class47
- AC Input Line/Power Electronic Component Protection47
- Power Line Contactor48
- CE Compliance and EMI/EMC Filtering48
- Surge Protection49
- Line Reactor49
- Harmonic Current Filtering (IEEE 519)49
- Grounding (Earth) Connection Guidelines49
- Equipment Panel50
- Mains Input Cable Specification51
- Idle Power Consumption51
Chapter 7.0 Compressor Performance53
- Performance Ratings53
- Tolerance of Performance Ratings53
Chapter 8.0 Operating Envelopes55
Chapter 9.0 Minimum Unloading Capacity67
Chapter 10.0 Control Logic Guidelines for Multiple Compressors69
Chapter 11.0 Product Certification71
Chapter 12.0 Guide Specifications73
- General73
- Refrigerant73
- Compressor Bearings73
- Capacity Control73
- Compressor Motor73
- Compressor Electronics73
- Ancillary Devices73
Chapter 13.0 System Design Guidelines75
- General Requirements75
- Economizer Option76
- Motor/Electronics Cooling Requirements76
- Electrical Requirements77
- Application-Specific Requirements77
- Medium Evaporating Temperature Application (TGS230/TTS300/TGH285/TTH375)77
- High Evaporating Temperature Application (TGS310/TTS350/TGS490/TGS390/TTS400/TGS520/TTS700)77
- Limited Capacity at Low Pressure Ratios78
- Low Lift Application78
Chapter 14.0 Sample Refrigeration Circuits81
Chapter 15.0 Sound and Power Specifications91
- TTS300 and TTS400 Sound Power Measurements91
- Results91
Chapter 16.0 Physical Data95
- Clearance95
Chapter 17.0 Piping Considerations109
Chapter 18.0 Environmental Considerations111
- Humidity111
- Vibration111
Chapter 19.0 Shipping Considerations113
- Vibration113
Chapter 20.0 Installation115
- Unpacking and Inspection115
- Rigging Requirements115
- Unit Placement115
- Mounting Base116
- Piping Connections117
- Control Wiring118
- Control Wiring Connections118
- Circuit Grounding119
- Voltage-Free Contacts120
- Power Wiring121
- Line Reactor Installation Instructions125
- EMI/EMC Filter Installation Instructions127
- Pressure Regulating Valve Installation Instructions129

Danfoss Turbocor TTS Series - Page 86

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