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Danfoss Manuals
Air Compressor
TTH Series
Applications and installation manual
Danfoss TTH Series Applications And Installation Manual
Twin-turbine centrifugal compressors
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Contents
Table of Contents
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Table of Contents
Table of Contents
Chapter 1.0 Introduction
Scope
Organization of this Manual
Document Symbols
Table 1-1 Application Manual Applicability
Table 1-2 Acronyms and Terms
Chapter 2.0 Overview of the TTS/TGS/TTH/TGH Compressor
TTS/TGS/TTH/TGH Compressor Nomenclature
Figure 2-1 Old Type Code to New Type Code Rev. D
Refrigerant Type
Table 2-1 Refrigerant Used with Turbocor Compressors
Figure 2-2 Compressor Nomenclature
Environment
Mains Plate Sealing
Configurations of the TTS/TGS/TTH/TGH Compressor Models
Compressor Module
Figure 2-3 Major Components
Chapter 3.0 Functional Description
Main Fluid Path
Figure 3-1 Compressor Fluid Path TGS230/TTS300
Motor Cooling
Figure 3-2 Compressor Fluid Path (TGS310, TTS350, TGS390, TGS490, TTS400, TGS520, and TTS700)
Figure 3-3 Compressor Cooling Circuit (TGS230 / TTS300)
Figure 3-4 Compressor Cooling Circuit (TTS300 Split-Cooling, TGS310, TTS350, TGS390, TGS490, TTS400, TT700, and TGS520)
Inlet Guide Vanes
Compressor Control Overview
Figure 3-5 Compressor Cooling Circuit (TGH285 / TTH375)
Figure 3-6 Compressor Control System Functional Block Diagram
Magnetic Bearing System
Table 3-1 Backplane Leds
Figure 3-7 Magnetic Bearing Configuration
Figure 3-8 Magnetic Bearing Control System
Chapter 4.0 Control Interface Wiring
Figure 4-1 Typical Control Wiring
Figure 4-2 Modbus Grounding Diagram
Table 4-1 Control Wiring Details
Table 4-2 Jumper Details
Control Wiring Connection Guidelines
Figure 4-3 I/O Wiring Specifications
Interface Cable
Compressor I/O Board Mounting Details
Figure 4-4 Compressor I/O Board
Figure 4-5 Compressor I/O Board Installation
Chapter 5.0 General Specifications
Construction
Maximum Pressure
Table 5-1 Discharge Pressure Alarm and Trip Settings
Maximum Discharge Temperature
Table 5-2 Discharge Temperature Trip Settings
Table 5-3 Maximum Pressure Ratio Limits
Table 5-4 Maximum Allowable Pressure [PS]
Suction Pressure Limits
Standards Compliance
Table 5-5 Suction Pressure Alarm and Trip Settings
Chapter 6.0 Electrical Specifications
Supply Voltage and Frequency
Compressor Current Limit and Operating Range Settings
Table 6-1 Acceptable AC Voltage Range
Table 6-2 Acceptable Frequency Range
Disconnects
Table 6-3 FLA and LRA Value Range
Motor Insulation Class
AC Input Line/Power Electronic Component Protection
Power Line Contactor
CE Compliance and EMI/EMC Filtering
Surge Protection
Line Reactor
Harmonic Current Filtering (IEEE 519)
Grounding (Earth) Connection Guidelines
Equipment Panel
Mains Input Cable Specification
Figure 6-1 Typical Ground Connections
Idle Power Consumption
Table 6-4 Main Cable Connector Plate Hole Sizes
Chapter 7.0 Compressor Performance
Performance Ratings
Tolerance of Performance Ratings
Chapter 8.0 Operating Envelopes
Figure 8-1 Operating Envelope, TTS300 and TGS230
Figure 8-2 Operating Envelope, TTS300 and TGS230 (Medium Temperature Compressor)
Figure 8-3 Operating Envelope, TTS350, TGS310
And TGS490
Figure 8-4 Operating Envelope, TTS400 and TGS390
Figure 8-5 Operating Envelope, TTS700 and TGS520
Figure 8-6 Operating Envelope, TTH375/TGH285
Chapter 9.0 Minimum Unloading Capacity
Chapter 10.0 Control Logic Guidelines for Multiple Compressors
Chapter 11.0 Product Certification
Chapter 12.0 Guide Specifications
General
Refrigerant
Compressor Bearings
Capacity Control
Compressor Motor
Compressor Electronics
Chapter 13.0 System Design Guidelines
General Requirements
Table 13-1 Recommended Minimum Copper Tube Size
Economizer Option
Motor/Electronics Cooling Requirements
Figure 13-1 Discharge Cone to Illustrate the Piping Requirements
Electrical Requirements
Application-Specific Requirements
Table 13-2 Low Lift Pump Sizing
Figure 13-2 Centrifugal Performance Dynamics
Chapter 14.0 Sample Refrigeration Circuits
Figure 14-1 Typical Refrigeration Piping Schematic
Figure 14-2 Typical Refrigeration Piping Schematic with Staging and Load Balancing Valve
Figure 14-3 Typical Refrigeration Piping Schematic with Flash Tank Economizer
Figure 14-4 Typical Refrigeration Piping Schematic with Closed Type Economizer
Figure 14-5 Typical Refrigeration Piping Schematic Using Motor-Cooling Pressure Regulating Valve (TTS300/TGS230 Medium Temperature Compressors Only)
Figure 14-6 Typical Refrigeration Piping Schematic Using Motor-Cooling Pressure Regulating Valve (TTH/TGH Medium Temperature Compressors Only)
Figure 14-7 Typical Refrigeration Piping Schematic with Multiple DX Evaporators
Figure 14-8 Multiple Compressors Single Circuit Piping Schematic
Figure 14-9 TTH/TGH Piping Schematic with Required Economizer (Closed Type) and Vapor Line Solenoid
Figure 14-10 TTH/TGH Piping Schematic with Required Economizer (Flash Tank) and Vapor Line Solenoid
Chapter 15.0 Sound and Power Specifications
TTS300 and TTS400 Sound Power Measurements
Table 15-1 Sound Power Measurements for TTS300
Table 15-2 Sound Pressure Calculation for TTS300
Table 15-3 Sound Power at Third Octave Band, TTS300 Compressor
Table 15-4 Sound Power Measurements, TTS400 Compressor
Table 15-5 Sound Pressure Calculation, TTS400 Compressor
Table 15-6 Sound Power at Third Octave Band of TTS400 Compressor
Chapter 16.0 Physical Data
Clearance
Table 16-1 Physical Dimensions
Figure 16-1 Suction View All Models (Excluding TTH/TGH Compressors)
Figure 16-2 Service Side View (Excluding TTH/TGH Compressors)
Figure 16-3 Discharge Side View (Excluding TTH/TGH Compressors)
Figure 16-4 TTH/TGH Suction Side View
Figure 16-5 TTH/TGH Service Side View
Figure 16-6 TTH/TGH Second Stage Housing View
Figure 16-7 TTH/TGH Discharge Side View
Figure 16-8 Center of Gravity Capacitor Side View (Excluding TTH/TGH Compressors)
Figure 16-9 Center of Gravity Top View (Excluding TTH/TGH Compressors)
Figure 16-10 TTH/TGH Center of Gravity Capacitor Side View
Figure 16-11 TTH/TGH Center of Gravity Top View
Table 16-2 Center of Gravity X-Y Coordinates
Figure 16-12 Discharge Port Detail (TTS300 and TGS230)
Figure 16-13 Discharge Port Detail (TTS350 and TGS310)
Figure 16-14 Discharge Port Detail (TTS400 and TGS390)
Figure 16-15 Discharge Port Detail (TTS700, TGS490, and TGS520)
Figure 16-16 Discharge Port Detail (TTH375 and TGH285)
Figure 16-17 Suction Port (All Models)
Figure 16-18 Suction Port Detail DD (All Models Excluding TTS700 and TGS520)
Figure 16-19 Suction Port Detail DD (TTS700, TGS490, and TGS520)
Figure 16-20 TTS300 and TGS230 Flange Footprint Details
Figure 16-21 TTS350,TGS310,TTS400,TGS390, TTH375, and TGH285 Flange Footprint Details
Table 16-3 Screw Hole Specifications
Figure 16-22 TTS700, TGS490, and TGS520 Flange Footprint Details
Torque Specifications
Table 16-4 Torque Specifications
Figure 16-23 Motor Cooling Fitting
Chapter 17.0 Piping Considerations
Chapter 18.0 Environmental Considerations
Humidity
Vibration
Chapter 19.0 Shipping Considerations
Vibration
Figure 19-1 Anti-Vibration Bracket
Chapter 20.0 Installation
Unpacking and Inspection
Rigging Requirements
Unit Placement
Figure 20-1 Rigging Set-Up
Mounting Base
Figure 20-2 Mounting Base (TTS/TGS/TTH/TGH Series)
Figure 20-3 Incorrect Compressor Mounting Pad Installation
Piping Connections
Table 16-5 Mounting Base Screw Hole Specifications
Figure 20-4 Correct Compressor Mounting Pad Installation
Control Wiring
Figure 20-5 Motor-Cooling Connection and Access Port
Figure 20-6 Compressor I/O Board Connections
Figure 20-7 Interlock and Motor Speed Connections
Power Wiring
Figure 20-8 Interlock Circuit Tests
Figure 20-9 Typical Electrical Connections
Figure 20-10 Ground Post Nuts
Figure 20-11 Compressor AC Input Terminals
Figure A-1 Line Reactor Connections
Figure B-1 Interconnection Layout
Figure B-2 Grounding Diagram
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Applications and Installation Manual - Revision Q
Danfoss Turbocor® Twin-Turbine
Centrifugal Compressors
TTS/TGS/TTH/TGH Compressors
®
http://turbocor.danfoss.com
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