Danfoss TT350 Series User Manual

Page 4 of 108
M-AP-001-EN Rev. N
M-AP-001-EN Rev. N
Content
8 Operating Envelopes ........................................................................................................................45
9 Minimum Unloading Capacity .........................................................................................................51
10 Control Logic Guidelines for Multiple Compressors ....................................................................53
11 Product Certication ......................................................................................................................55
12 Guide Specications .......................................................................................................................57
12.1 General................................................................................................................................................................................................ 57
12.2 Refrigerant ......................................................................................................................................................................................... 57
12.3 Compressor Bearings ..................................................................................................................................................................... 57
12.4 Capacity Control .............................................................................................................................................................................. 57
12.5 Compressor Motor .......................................................................................................................................................................... 57
12.6 Compressor Electronics ................................................................................................................................................................ 57
12.6.1 Ancillary Devices ................................................................................................................................................................... 57
13 System Design Guidelines .............................................................................................................59
13.1 General Requirements .................................................................................................................................................................. 59
13.2 Economizer Option ........................................................................................................................................................................ 60
13.3 Motor/Electronics Cooling Requirements ............................................................................................................................. 60
13.4 Electrical Requirements ................................................................................................................................................................ 61
13.5 Application-Specic Requirements .......................................................................................................................................... 61
13.5.1 Medium Evaporating Temperature Application (TT300) ....................................................................................... 61
13.5.2 Low Lift Application ............................................................................................................................................................. 61
13.5.3 Limited Capacity at Low pressure Ratios ..................................................................................................................... 62
14 Sample Refrigeration Circuits .......................................................................................................63
15 Sound and Power Specications ...................................................................................................71
15.1 TT300 and TT400 Sound Power Measurements ................................................................................................................... 71
15.1.1 Results ....................................................................................................................................................................................... 71
16 Physical Data ...................................................................................................................................75
16.1 Clearance ........................................................................................................................................................................................... 75
16.2 Center of Gravity ............................................................................................................................................................................. 77
16.3 Torque Specications..................................................................................................................................................................... 86
17 Piping Considerations ....................................................................................................................87
18 Environmental Considerations ......................................................................................................89
18.1 Humidity ............................................................................................................................................................................................ 89
18.2 Vibration ............................................................................................................................................................................................. 89
19 Shipping Considerations ...............................................................................................................91
19.1 Vibration ............................................................................................................................................................................................. 91
20 Installation ......................................................................................................................................93
20.1 Unpacking and Inspection .......................................................................................................................................................... 93
20.2 Rigging Requirements .................................................................................................................................................................. 93
20.3 Unit Placement ................................................................................................................................................................................ 93
20.4 Mounting Base ................................................................................................................................................................................. 94
20.5 Piping Connections ........................................................................................................................................................................ 95
20.6 Control Wiring .................................................................................................................................................................................. 96
20.6.1 Control Wiring Connections ............................................................................................................................................. 96
20.6.2 Circuit Grounding ................................................................................................................................................................. 98
20.6.3 Voltage-Free Contacts ......................................................................................................................................................... 99
20.7 Power Wiring...................................................................................................................................................................................100
Appendix A: Power Line Accessories Installation .......................................................................... 103
A.1 Line Reactor Installation Instructions .......................................................................................................................................103
A.1.1 AC Line Cable Connection (From External Disconnect) ..........................................................................................103
A.1.2 AC Line Cable Connection (to Compressor Terminal) ..............................................................................................103
Appendix B: Power Line Accessories Installation .......................................................................... 105
B.1 EMI/EMC Filter Installation Instructions ...................................................................................................................................105
B.1.1 Line Side Connection ............................................................................................................................................................ 105
B.1.2 Load Side Connection ..........................................................................................................................................................105
B.1.3 Harmonic Filter........................................................................................................................................................................105

Danfoss TT350 Series Specifications

General

Brand	Danfoss
Model	TT350 Series
Category	Compressor
Language	English