Danfoss Turbocor Twin-Turbine TTS Series

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M-AP-001-EN Rev. Q

Figure B-2 Grounding Diagram

Grounding Diagram

Filter Ground Lug

Short Heavy

Braided Cable

Main Ground Bus

Main Page

Default Chapter3
- Table of Contents3
Chapter 1.0 Introduction11
- Scope11
- Organization of this Manual11
- Document Symbols11
- Table 1-1 Application Manual Applicability11
- Table 1-2 Acronyms and Terms13
Chapter 2.0 Overview of the TTS/TGS/TTH/TGH Compressor17
- TTS/TGS/TTH/TGH Compressor Nomenclature17
- Figure 2-1 Old Type Code to New Type Code Rev. D17
- Refrigerant Type18
- Table 2-1 Refrigerant Used with Turbocor Compressors18
- Figure 2-2 Compressor Nomenclature18
- Environment19
- Mains Plate Sealing19
- Configurations of the TTS/TGS/TTH/TGH Compressor Models20
- Compressor Module20
- Figure 2-3 Major Components20
Chapter 3.0 Functional Description21
- Main Fluid Path21
- Figure 3-1 Compressor Fluid Path TGS230/TTS30021
- Motor Cooling22
- Figure 3-2 Compressor Fluid Path (TGS310, TTS350, TGS390, TGS490, TTS400, TGS520, and TTS700)22
- Figure 3-3 Compressor Cooling Circuit (TGS230 / TTS300)23
- Figure 3-4 Compressor Cooling Circuit (TTS300 Split-Cooling, TGS310, TTS350, TGS390, TGS490, TTS400, TT700, and TGS520)23
- Inlet Guide Vanes24
- Compressor Control Overview24
- Figure 3-5 Compressor Cooling Circuit (TGH285 / TTH375)24
- Figure 3-6 Compressor Control System Functional Block Diagram25
- Magnetic Bearing System27
- Table 3-1 Backplane Leds27
- Figure 3-7 Magnetic Bearing Configuration27
- Figure 3-8 Magnetic Bearing Control System28
Chapter 4.0 Control Interface Wiring29
- Figure 4-1 Typical Control Wiring29
Chapter 5.0 General Specifications35
- Construction35
- Maximum Pressure35
- Table 5-1 Discharge Pressure Alarm and Trip Settings35
- Maximum Discharge Temperature36
- Table 5-2 Discharge Temperature Trip Settings36
- Table 5-3 Maximum Pressure Ratio Limits36
- Table 5-4 Maximum Allowable Pressure [PS]36
- Suction Pressure Limits37
- Standards Compliance37
- Table 5-5 Suction Pressure Alarm and Trip Settings37
Chapter 6.0 Electrical Specifications39
- Supply Voltage and Frequency39
- Compressor Current Limit and Operating Range Settings39
- Table 6-1 Acceptable AC Voltage Range39
- Table 6-2 Acceptable Frequency Range39
- Disconnects40
- Table 6-3 FLA and LRA Value Range40
- Motor Insulation Class41
- AC Input Line/Power Electronic Component Protection41
- Power Line Contactor41
- CE Compliance and EMI/EMC Filtering41
- Surge Protection42
- Line Reactor42
- Harmonic Current Filtering (IEEE 519)42
- Grounding (Earth) Connection Guidelines42
- Equipment Panel43
- Mains Input Cable Specification43
- Figure 6-1 Typical Ground Connections43
- Idle Power Consumption44
- Table 6-4 Main Cable Connector Plate Hole Sizes44
Chapter 7.0 Compressor Performance45
- Performance Ratings45
- Tolerance of Performance Ratings45
Chapter 8.0 Operating Envelopes47
- Figure 8-1 Operating Envelope, TTS300 and TGS23047
- Figure 8-2 Operating Envelope, TTS300 and TGS230 (Medium Temperature Compressor)48
- Figure 8-3 Operating Envelope, TTS350, TGS31049
- And TGS49049
- Figure 8-4 Operating Envelope, TTS400 and TGS39050
- Figure 8-5 Operating Envelope, TTS700 and TGS52051
- Figure 8-6 Operating Envelope, TTH375/TGH28552
Chapter 9.0 Minimum Unloading Capacity53
Chapter 10.0 Control Logic Guidelines for Multiple Compressors55
Chapter 11.0 Product Certification57
Chapter 12.0 Guide Specifications59
- General59
- Refrigerant59
- Compressor Bearings59
- Capacity Control59
- Compressor Motor59
- Compressor Electronics60
Chapter 13.0 System Design Guidelines61
- General Requirements61
- Table 13-1 Recommended Minimum Copper Tube Size61
- Economizer Option62
- Motor/Electronics Cooling Requirements62
- Figure 13-1 Discharge Cone to Illustrate the Piping Requirements62
- Electrical Requirements63
- Application-Specific Requirements63
- Table 13-2 Low Lift Pump Sizing64
- Figure 13-2 Centrifugal Performance Dynamics64
Chapter 14.0 Sample Refrigeration Circuits65
- Figure 14-1 Typical Refrigeration Piping Schematic65
- Figure 14-2 Typical Refrigeration Piping Schematic with Staging and Load Balancing Valve66
- Figure 14-3 Typical Refrigeration Piping Schematic with Flash Tank Economizer67
- Figure 14-4 Typical Refrigeration Piping Schematic with Closed Type Economizer68
- Figure 14-5 Typical Refrigeration Piping Schematic Using Motor-Cooling Pressure Regulating Valve (TTS300/TGS230 Medium Temperature Compressors Only)69
- Figure 14-6 Typical Refrigeration Piping Schematic Using Motor-Cooling Pressure Regulating Valve (TTH/TGH Medium Temperature Compressors Only)70
- Figure 14-7 Typical Refrigeration Piping Schematic with Multiple DX Evaporators71
- Figure 14-8 Multiple Compressors Single Circuit Piping Schematic72
- Figure 14-9 TTH/TGH Piping Schematic with Required Economizer (Closed Type) and Vapor Line Solenoid73
- Figure 14-10 TTH/TGH Piping Schematic with Required Economizer (Flash Tank) and Vapor Line Solenoid74
Chapter 15.0 Sound and Power Specifications75
- TTS300 and TTS400 Sound Power Measurements75
- Table 15-1 Sound Power Measurements for TTS30075
- Table 15-2 Sound Pressure Calculation for TTS30075
- Table 15-3 Sound Power at Third Octave Band, TTS300 Compressor76
- Table 15-4 Sound Power Measurements, TTS400 Compressor76
- Table 15-5 Sound Pressure Calculation, TTS400 Compressor76
- Table 15-6 Sound Power at Third Octave Band of TTS400 Compressor77
Chapter 16.0 Physical Data79
- Clearance79
- Table 16-1 Physical Dimensions79
- Figure 16-1 Suction View All Models (Excluding TTH/TGH Compressors)79
- Figure 16-2 Service Side View (Excluding TTH/TGH Compressors)80
- Figure 16-3 Discharge Side View (Excluding TTH/TGH Compressors)80
- Figure 16-4 TTH/TGH Suction Side View81
- Figure 16-5 TTH/TGH Service Side View81
- Figure 16-6 TTH/TGH Second Stage Housing View82
- Figure 16-7 TTH/TGH Discharge Side View82
- Figure 16-8 Center of Gravity Capacitor Side View (Excluding TTH/TGH Compressors)83
- Figure 16-9 Center of Gravity Top View (Excluding TTH/TGH Compressors)83
- Figure 16-10 TTH/TGH Center of Gravity Capacitor Side View84
- Figure 16-11 TTH/TGH Center of Gravity Top View84
- Table 16-2 Center of Gravity X-Y Coordinates85
- Figure 16-12 Discharge Port Detail (TTS300 and TGS230)85
- Figure 16-13 Discharge Port Detail (TTS350 and TGS310)86
- Figure 16-14 Discharge Port Detail (TTS400 and TGS390)86
- Figure 16-15 Discharge Port Detail (TTS700, TGS490, and TGS520)87
- Figure 16-16 Discharge Port Detail (TTH375 and TGH285)87
- Figure 16-17 Suction Port (All Models)88
- Figure 16-18 Suction Port Detail DD (All Models Excluding TTS700 and TGS520)89
- Figure 16-19 Suction Port Detail DD (TTS700, TGS490, and TGS520)89
- Figure 16-20 TTS300 and TGS230 Flange Footprint Details90
- Figure 16-21 TTS350,TGS310,TTS400,TGS390, TTH375, and TGH285 Flange Footprint Details90
- Table 16-3 Screw Hole Specifications91
- Figure 16-22 TTS700, TGS490, and TGS520 Flange Footprint Details91
- Torque Specifications92
- Table 16-4 Torque Specifications92
- Figure 16-23 Motor Cooling Fitting92
Chapter 17.0 Piping Considerations93
Chapter 18.0 Environmental Considerations95
- Humidity95
- Vibration95
Chapter 19.0 Shipping Considerations97
- Vibration97
- Figure 19-1 Anti-Vibration Bracket97
Chapter 20.0 Installation99
- Unpacking and Inspection99
- Rigging Requirements99
- Unit Placement99
- Figure 20-1 Rigging Set-Up99
- Mounting Base100
- Figure 20-2 Mounting Base (TTS/TGS/TTH/TGH Series)100
- Figure 20-3 Incorrect Compressor Mounting Pad Installation100
- Piping Connections101
- Table 16-5 Mounting Base Screw Hole Specifications101
- Figure 20-4 Correct Compressor Mounting Pad Installation101
- Control Wiring102
- Figure 20-5 Motor-Cooling Connection and Access Port102
- Figure 20-6 Compressor I/O Board Connections103
- Figure 20-7 Interlock and Motor Speed Connections104
- Power Wiring105
- Figure 20-8 Interlock Circuit Tests105
- Figure 20-9 Typical Electrical Connections106
- Figure 20-10 Ground Post Nuts106
- Figure 20-11 Compressor AC Input Terminals107
- Figure A-1 Line Reactor Connections109
- Figure B-1 Interconnection Layout111
- Figure B-2 Grounding Diagram112

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