Name: Danfoss Turbocor TT Series
Brand: Danfoss
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Page 68 of 108

M-AP-001-EN Rev. N

Sample Refrigeration Circuits

Figure 14-6 - Typical

Refrigeration Piping

Schematic With Multiple DX

Evaporators



MotorCooling

Port

Suction

Port

Economizer

Port

DischargePort



Sight

Glass

Filter/

Drier



Filter/

Drier

Sight

Glass

Expansion

Valve

Expansion

Valve

Expansion

Valve

Evaporator

Condenserwith

Subcooler



Check

Valve



Staging

Valve



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

Danfoss Turbocor TT Series Installation Manual

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Brand	Danfoss
Model	Turbocor TT Series
Category	Air Compressor
Language	English