Danfoss Turbocor TT Series

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M-AP-001-EN Rev. N

Product Certication

All TT and TG Series compressors are ETL and CE listed and have been tested in accordance

with UL Standard 984 and CSA Standard C22.2.

11 Product Certification

Main Page

Default Chapter3
- Table of Contents3
1 Introduction9
- Scope9
- Organization of this Manual9
- Table 1-1 - Application Manual Applicability9
- Document Symbols10
- Definitions11
- Table 1-2 - Definitions11
2 Overview of the TT/TG Compressor15
- TT/TG Compressor Nomenclature15
- Refrigerant Type15
- Environment16
- Configurations of the TT/TG Compressor Models16
- Figure 2-2 - Major Components16
- Compressor Module17
3 Functional Description19
- Main Fluid Path19
- Figure 3-1 - Compressor Fluid Path TG230 / TT30019
- Motor Cooling20
- Figure 3-2 - Compressor Fluid Path (TG310, TT350, TG390, TT400, TG520, and TT700)20
- Figure 3-3 - Compressor Cooling Circuit (TG230 / TT300)21
- Figure 3-4 - Compressor Cooling Circuit (TT300 Split-Cooling, TG310, TT350, TG390, TT400, and TG520)21
- Inlet Guide Vanes22
- Compressor Control Overview22
- Magnetic Bearing System26
4 Control Interface Wiring28
- Figure 4-1 - Typical Control Wiring28
5 General Specifications33
- Construction33
- Maximum Pressure33
- Table 5-1 - Discharge Pressure Alarm and Trip Settings33
- Maximum Discharge Temperature34
- Table 5-2 - Discharge Temperature Trip Settings34
- Table 5-3 - Maximum Pressure Ratio Limits34
- Table 5-4 - Maximum Allowable Pressure [PS]34
- Suction Pressure Limits35
- Codes and Standards Compliance35
- Table 5-5 - Suction Pressure Alarm and Trip Settings35
6 Electrical Specifications37
- Supply Voltage and Frequency37
- Compressor Current Limit and Operating Range Settings37
- Table 6-1 - Acceptable AC Voltage Range37
- Table 6-2 - Acceptable Frequency Range37
- Disconnects38
- Table 6-3 - FLA and LRA Value Range38
- Motor Insulation Class39
- AC Input Line/Power Electronic Component Protection39
- Power Line Contactor39
- CE Compliance and EMI/EMC Filtering39
- Surge Protection40
- Harmonic Filtering (IEEE 519)40
- Grounding (Earth) Connection Guidelines40
- Equipment Panel41
- Figure 6-1 - Typical Ground Connections41
- Mains Input Cable Specification42
- Idle Power Consumption42
- Table 6-4 - Main Cable Connector Plate Hole Sizes42
7 Compressor Performance43
- Performance Ratings43
- Tolerance of Performance Ratings43
8 Operating Envelopes45
- Figure 8-1 - Operating Envelope, TT300 and TG23045
- Figure 8-2 - Operating Envelope, TT300 and TG230 (Medium Temperature Compressor)46
- Figure 8-3 - Operating Envelope, TT350 and TG31047
- Figure 8-4 - Operating Envelope, TT400 and TG39048
- Figure 8-5 - Operating Envelope, TT700 and TG52049
9 Minimum Unloading Capacity51
10 Control Logic Guidelines for Multiple Compressors53
11 Product Certification55
12 Guide Specifications57
- General57
- Refrigerant57
- Compressor Bearings57
- Capacity Control57
- Compressor Motor57
- Compressor Electronics57
  - Ancillary Devices57
13 System Design Guidelines59
- General Requirements59
- Economizer Option60
- Motor/Electronics Cooling Requirements60
- Table 13-1 - Recommended Minimum Copper Tube Size60
- Electrical Requirements61
- Application-Specific Requirements61
14 Sample Refrigeration Circuits63
- Figure 14-1 - Typical Refrigeration Piping Schematic63
- Figure 14-2 - Typical Refrigeration Piping Schematic with Staging and Load Balancing Valve64
- Figure 14-3 - Typical Refrigeration Piping Schematic with Flash Tank Economizer65
- Figure 14-4 - Typical Refrigeration Piping Schematic with Sub-Cooler Circuit Economizer66
- Figure 14-5 - Typical Refrigeration Piping Schematic Using Motor-Cooling Pressure Regulating Valve67
- Figure 14-6 - Typical Refrigeration Piping Schematic with Multiple DX Evaporators68
- Figure 14-7 - Typical Refrigeration Piping Schematic Using Multiple Compressors on a Common Circuit with a Flooded Evaporator69
15 Sound and Power Specifications71
- TT300 and TT400 Sound Power Measurements71
16 Physical Data75
- Clearance75
- Table 16-1 - Physical Dimensions75
- Figure 16-1 - Suction/Front View All Models75
- Figure 16-2 - Service Side View All Models76
- Figure 16-3 - Discharge Side View76
- Center of Gravity77
- Figure 16-4A - Center of Gravity77
- Table 16-2 - Center of Gravity X-Y Coordinates78
- Figure 16-4B - Center of Gravity78
- Figure 16-5 - Discharge Port Details (TT300 and TG230)79
- Figure 16-6 - Discharge Port Details (TT350 and TG310)80
- Figure 16-7 - Discharge Port Detail (TT400 and TG390)80
- Figure 16-8 - Discharge Port Detail (TT700 and TG520)81
- Figure 16-9 - Suction Port (All Models)82
- Figure 16-10 - Suction Port Detail DD (All Models)83
- Figure 16-11 - Suction Port Detail DD (TT700 and TG520)83
- Figure 16-12 - TT300 Flange Footprint Details84
- Figure 16-13 - TT350, TG310, TG390, and TT400 Flange Footprint Details84
- Table 16-3 - Screw Hole Specifications85
- Figure 16-14 - TT700 and TG520 Flange Footprint Details85
- Torque Specifications86
- Table 16-4 - Torque Specifications86
- Figure 16-15 - Motor Cooling Fitting86
17 Piping Considerations87
18 Environmental Considerations89
- Humidity89
- Vibration89
19 Shipping Considerations91
- Vibration91
- Figure 19-1 - Anti-Vibration Bracket91
20 Installation93
- Unpacking and Inspection93
- Rigging Requirements93
- Unit Placement93
- Figure 20-1 - Rigging Set-Up93
- Mounting Base94
- Figure 20-2 - Mounting Base (TT and TG Series)94
- Figure 20-3 - Incorrect Compressor Mounting Pad Installation94
- Piping Connections95
- Figure 20-4 - Correct Compressor Mounting Pad Installation95
- Control Wiring96
- Power Wiring100
- Figure 20-9 - Typical Electrical Connections100
- Figure 20-10 - Ground Post Nuts101
- Figure 20-11 - Compressor AC Input Terminals101
Appendix A: Power Line Accessories Installation103
- Line Reactor Installation Instructions103
Appendix B: Power Line Accessories Installation105
- EMI/EMC Filter Installation Instructions105

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