Danfoss TT400 Series User Manual

Page 3 of 108
M-AP-001-EN Rev. N
Content
1 Introduction ........................................................................................................................................9
1.1 Scope ........................................................................................................................................................................................................9
1.2 Organization of this Manual ..............................................................................................................................................................9
1.3 Document Symbols ........................................................................................................................................................................... 10
1.4 Denitions ............................................................................................................................................................................................. 11
2 Overview of the TT/TG Compressor ................................................................................................15
2.1 TT/TG Compressor Nomenclature ................................................................................................................................................ 15
2.2 Refrigerant Type .................................................................................................................................................................................. 15
2.2.1 TG Series ..................................................................................................................................................................................... 15
2.3 Environment ........................................................................................................................................................................................ 16
2.4 Congurations of the TT/TG Compressor Models .................................................................................................................. 16
2.5 Compressor Module .......................................................................................................................................................................... 17
3 Functional Description ....................................................................................................................19
3.1 Main Fluid Path ................................................................................................................................................................................... 19
3.2 Motor Cooling ..................................................................................................................................................................................... 20
3.3 Inlet Guide Vanes ............................................................................................................................................................................... 22
3.4 Compressor Control Overview ..................................................................................................................................................... 22
3.4.1 Motor Drive System ................................................................................................................................................................ 23
3.4.2 Soft-Start Board ....................................................................................................................................................................... 23
3.4.3 Bearing Motor Compressor Controller ............................................................................................................................ 23
3.4.4 Compressor Control ................................................................................................................................................................ 23
3.4.5 Capacity Control ....................................................................................................................................................................... 23
3.4.6 Expansion Valve Control ........................................................................................................................................................ 24
3.4.7 Motor/Bearing Control ........................................................................................................................................................... 24
3.4.8 Monitoring Functions ............................................................................................................................................................. 24
3.4.9 Abnormal Conditions ............................................................................................................................................................ 24
3.4.10 Bearing PWM Amplier ...................................................................................................................................................... 25
3.4.11 Serial Driver ............................................................................................................................................................................. 25
3.4.12 Backplane ................................................................................................................................................................................ 25
3.4.13 High-Voltage DC-DC Converter ....................................................................................................................................... 26
3.5 Magnetic Bearing System ............................................................................................................................................................... 26
3.5.1 Overview .................................................................................................................................................................................... 26
3.5.2 Bearing Control System ........................................................................................................................................................ 26
4 Control Interface Wiring ...................................................................................................................28
4.1 Control Wiring Connection Guidelines ...................................................................................................................................... 29
4.2 Interface Cable ................................................................................................................................................................................... 30
4.3 Compressor I/O Board Mounting Details .................................................................................................................................. 31
4.3.1 Compressor I/O Board - Mounting Instructions ........................................................................................................... 31
5 General Specications ......................................................................................................................33
5.1 Construction ........................................................................................................................................................................................ 33
5.2 Maximum Pressure ............................................................................................................................................................................ 33
5.3 Maximum Discharge Temperature ............................................................................................................................................... 34
5.4 Suction Pressure Limits ................................................................................................................................................................... 35
5.5 Codes and Standards Compliance .............................................................................................................................................. 35
6 Electrical Specications ...................................................................................................................37
6.1 Supply Voltage and Frequency..................................................................................................................................................... 37
6.2 Compressor Current Limit and Operating Range Settings................................................................................................. 37
6.3 Disconnects ......................................................................................................................................................................................... 38
6.4 Motor Insulation Class ..................................................................................................................................................................... 39
6.5 AC Input Line/Power Electronic Component Protection .................................................................................................... 39
6.6 Power Line Contactor....................................................................................................................................................................... 39
6.7 CE Compliance and EMI/EMC Filtering ...................................................................................................................................... 39
6.8 Surge Protection ................................................................................................................................................................................ 40
6.9 Harmonic Filtering (IEEE 519) ........................................................................................................................................................ 40
6.10 Grounding (Earth) Connection Guidelines ............................................................................................................................ 40
6.11 Equipment Panel ............................................................................................................................................................................. 41
6.12 Mains Input Cable Specication ................................................................................................................................................ 42
6.13 Idle Power Consumption .............................................................................................................................................................. 42
7 Compressor Performance ................................................................................................................43
7.1 Performance Ratings ......................................................................................................................................................................... 43
7.2 Tolerance of Performance Ratings ................................................................................................................................................ 43

Danfoss TT400 Series Specifications

General

Brand	Danfoss
Model	TT400 Series
Category	Compressor
Language	English