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M-AP-001-EN Rev. Q

Figure 14-8 Multiple Compressors Single Circuit Piping Schematic

NOTE

Contact Danfoss LLC for compressor selection and further technical advice.

Motor Cooling

Port

Suction

Port

Economizer

Port

Discharge Port

Motor Cooling

Port

Suction

Port

Economizer

Port

Discharge Port

Motor Cooling

Port

(with integral

strainer)

Suction

Port

Economizer

Port

Discharge Port

Motor Cooling

Port

(with integral

strainer)

Suction

Port

Economizer

Port

Discharge Port

Sight

Glass

Sight

Glass

Filter/

Drier

Filter/

Drier

EXV

Sight

Glass

Staging

Valve

Staging

Valve

Staging

Valve

Staging

Valve

Sight

Glass

Sight

Glass

Check

Valve

Check

Valve

Load

Balance

Valve

Condenser with Subcooler

Evaporator

Filter/

Drier

Filter/

Drier

* *

(optional)

NOTE

*Service valves are optional.

Содержание Turbocor Twin-Turbine TTS Series

Страница 1: ...Danfoss Turbocor Twin Turbine Centrifugal Compressors TTS TGS TTH TGH Compressors Applications and Installation Manual Revision Q http turbocor danfoss com...

Страница 2: ...ev Q List of Changes Revision Date Page Description of Change P 06 12 2019 Redevelopment of manual to include TTH TGH compressors P 1 12 12 2019 Update to include TG490 and Medium Temp Q 04 06 2020 Ma...

Страница 3: ...n Pressure Limits 37 5 5 Standards Compliance 37 Chapter 6 0 Electrical Specifications 39 6 1 Supply Voltage and Frequency 39 6 2 Compressor Current Limit and Operating Range Settings 39 6 3 Disconnec...

Страница 4: ...cations 75 15 1 TTS300 and TTS400 Sound Power Measurements 75 Chapter 16 0 Physical Data 79 16 1 Clearance 79 16 2 Torque Specifications 92 Chapter 17 0 Piping Considerations 93 Chapter 18 0 Environme...

Страница 5: ...ceptable Frequency Range 39 Table 6 3 FLA and LRA Value Range 40 Table 6 4 Main Cable Connector Plate Hole Sizes 44 Table 13 1 Recommended Minimum Copper Tube Size 61 Table 13 2 Low Lift Pump Sizing 6...

Страница 6: ...ation Piping Schematic Using Motor Cooling Pressure Regulating Valve TTH TGH Medium Temperature Compressors Only 70 Figure 14 7 Typical Refrigeration Piping Schematic With Multiple DX Evaporators 71 F...

Страница 7: ...Figure 20 7 Interlock and Motor Speed Connections 104 Figure 20 8 Interlock Circuit Tests 105 Figure 20 9 Typical Electrical Connections 106 Figure 20 10 Ground Post Nuts 106 Figure 20 11 Compressor A...

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Страница 9: ...indirect special incidental or consequential damages arising out of the manufacture use or the inability to manufacture or use information contained in this manual even if advised of the possibility...

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Страница 11: ...to the following sections 1 Overview of the TTS TGS series compressors provides an overview of the Twin Turbo and Total Green TTS and TGS series compressors including an introduction to the compressor...

Страница 12: ...h if not strictly observed could result in serious damage or destruction of equipment WARNING CAUTION Indicates an essential operating or maintenance procedure practice or condition which if not stric...

Страница 13: ...itions Compression Ratio The absolute discharge pressure divided by the absolute suction pressure CSA Canadian Standards Association www csa ca DC Bus High DC voltage simultaneously connected to multi...

Страница 14: ...ent power to sustain safe and normal operation and is typically due to a loss of power Genlanolin A type of grease In certain climates where the dew point falls below the operating temperature of some...

Страница 15: ...ic field and is also a parameter used to evaluate the strength of the permanent magnets of the shaft One practical application is to use this phenomenon to indirectly measure motor speed as well as es...

Страница 16: ...st Bearing A bearing that absorbs the axial forces produced in a centrifugal compressor by the refrigerant pressure differential across the impeller Ton The basic unit for measuring the rate of heat t...

Страница 17: ...re of the Type Code to the new structure Additionally the Series indicators not have an additional character in order to differentiate the standard compressors from high lift compressors Unless the co...

Страница 18: ...m Temp KHK Listed Mains Plate Size character 10 1 Mains Plate 2 00 2 Mains Plate 2 48 3 Mains Plate 3 00 4 Mains Plate 3 50 I O Board Option character 11 S I O Board included with 5m cable M No I O Bo...

Страница 19: ...the top side power electronics to ensure there are no signs of oxidation or any other signs of moisture or condensation Ensure all covers are in place and secured The Danfoss Turbocor compressors hav...

Страница 20: ...ics portion manages the refrigerant compression process from the suction to the discharge including the inlet guide vane assembly Motor The motor portion contains a direct drive high efficiency perman...

Страница 21: ...load conditions The first compression element the gas encounters is the first stage impeller The centrifugal force produced by the rotating impeller results in an increase in both gas velocity and pre...

Страница 22: ...over The orifices cause the refrigerant to expand thereby lowering its temperature Both valves open in response to the temperature sensed in the motor and inverter From the outlet of the orifices the...

Страница 23: ...or Cavity Temp Sensor From Motor Winding Temp Sensor Motor Rotor cooling gas and leakage BMCC From Inverter Temp Sensor Inverter SCR ORIFICE ORIFICE Solenoid E Solenoid M Liquid Refrigerant Inlet BMCC...

Страница 24: ...trol Overview Refer to Figure 3 6 Compressor Control System Functional Block Diagram which shows a functional block diagram of the compressor control and monitoring system Refer to Figure 3 8 Magnetic...

Страница 25: ...acitors are charging up The soft start function and the variable speed drive combined limit the inrush current at startup Backplane 2 3A Calibra on Front Radial Bearing Rear Radial Bearing Axial Beari...

Страница 26: ...erall pressure ratio and thereby reduces the lift enabling the compressor to reduce speed unload 3 4 7 Motor Bearing Control The magnetic bearing system physically supports a rotating shaft while enab...

Страница 27: ...ow except for the alarm LED which is green red Table 3 1 Backplane LEDs describe the LEDs functions Table 3 1 Backplane LEDs 3 4 13 High Voltage DC DC Converter DC DC converters supply and electricall...

Страница 28: ...Y and Z axes The rotor position along the Z or axial axis is read by measuring the distance between the sensor and a target sleeve mounted on the rotor The rear sensor ring contains sensors that read...

Страница 29: ...XV Phase 2B EXV 2 Economizer or load balancing valve Level Sensor 15V Sensor Signal 1 5Volts Level Sensor 0V Level Sensor 15V Sensor Signal 1 5Volts Level Sensor 0V Level Sensor 1 Evaporator Level Sen...

Страница 30: ...d REF Shield REF 120 PLC COM NETB NETA MODBUS Retain Termination Jumper in Last Board Remove Termination Jumper in All Intermediate Boards Termination Resistor should only be included if one is not in...

Страница 31: ...rsal analog output manually controlled as a percentage of total voltage written through Modbus This can be configured for 0 5V or 0 10V via on board jumpers Entering Chilled Water Temp Analog input in...

Страница 32: ...must not be grounded as this would create a ground loop Refer to Figure 4 2 Modbus Grounding Diagram on page 30 4 2 Interface Cable The cable that carries the I O communication to the compressor is 5...

Страница 33: ...should be mounted in a dry area free from vibration and electrical noise Figure 4 4 Compressor I O Board 4 3 1 Compressor I O Board Mounting Instructions 1 Tilt the I O Board as shown in Figure 4 5 Co...

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Страница 35: ...Trip Limit It is also controlled by a Pressure Ratio alarm limit monitoring the ratio between the Discharge and Suction Pressures Table 5 1 Discharge Pressure Alarm and Trip Settings In the TGS230 TT...

Страница 36: ...00 compressor allows for adjustment of this setting Compressors which are placed in Air Cooled applications can have this value increased up to 4 8 NOTE Pressure ratio must be calculated using absolut...

Страница 37: ...nditions 5 5 Standards Compliance It is the responsibility of the Original Equipment Manufacturer OEM to ensure that proper safety protocols are in place and that the chiller system has been designed...

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Страница 39: ...TS TGS Compressor Nomenclature section of this manual for details on the compressor voltage availability Table 6 2 Acceptable Frequency Range 6 2 Compressor Current Limit and Operating Range Settings...

Страница 40: ...0 400V 40 106 44 117 40 44 TGS230 460V 40 99 44 110 40 44 TGS230 575V 40 79 44 88 40 44 TGS310 380V 50 150 55 165 50 55 TGS310 400V 50 150 55 165 50 55 TGS310 460V 50 135 55 145 50 55 TGS390 380V 50 1...

Страница 41: ...t be done using the FLA of the affected compressor to the next highest amp but in any event should be a minimum of FLA x 1 25 Fast acting fuses must be installed as close as possible and immediately b...

Страница 42: ...ation of the line reactor should be according to Figure 20 9 Typical Electrical Connections on page 106 The rule of selecting the Line Reactor is PReactor_Rated kW FLA A URated V 1 73 0 9 1 25 1000 6...

Страница 43: ...ground in accordance with relevant electrical codes and standards such as NEC Section 250 in the U S or its equivalent for other countries Special filtering and measuring may be required in installati...

Страница 44: ...tion of 45 W Model 380V 400V 460V 575V TTS300 TGS230 2 5 2 5 2 5 2 5 TTS350 TGS310 2 5 2 5 3 N A TTS400 TGS390 2 5 2 5 3 3 TGS490 2 5 2 5 3 N A TTS700 TGS520 2 5 2 5 3 N A TTH375 TGH285 2 5 2 5 3 N A...

Страница 45: ...en operating conditions This tolerance band is valid for the area of the operating map which is in the speed control range only As the compressor reduces speed and mechanical unloading is enabled such...

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Страница 47: ...ating is lower than that shown and is related to the FLA rating of the particular compressor The lower limit is related to minimum pressure ratios required to effect proper motor and power electronics...

Страница 48: ...and TGS230 Medium Temperature Compressor 1 1 The actual obtainable capacity will be dependent on specific operating characteristics of each compressor model Refer to the current authorized compressor...

Страница 49: ...er than that shown and is related to the FLA rating of the particular compressor The lower limit is related to minimum pressure ratios required to effect proper motor and power electronics cooling wit...

Страница 50: ...than that shown and is related to the FLA rating of the particular compressor The lower limit is related to minimum pressure ratios required to effect proper motor and power electronics cooling with s...

Страница 51: ...LA settings The maximum SDT for compressors with an FLA less than that is lower than the upper bound of the operating envelope and depends on the FLA rating 1 The actual obtainable capacity will be de...

Страница 52: ...settings The maximum SDT for compressors with an FLA less than that is lower than the upper bound of the operating envelope and depends on the FLA rating 1 The actual obtainable capacity will be depen...

Страница 53: ...e nature of centrifugal compression the minimum stable load is dependent on the pressure ratio imposed on the compressor by the chiller system All compressor performance including unloading should be...

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Страница 55: ...staging valve must be injected downstream of the main EXV in order to de superheat the gas prior to entering the suction of the compressor CAUTION If the staging valve is used as load balancing valve...

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Страница 57: ...7 of 114 M AP 001 EN Rev Q Chapter 11 0 Product Certification All TTS TGS TTH TGH Series compressors are ETL and CE listed and have been tested in accordance with UL Standard 984 and CSA Standard C22...

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Страница 59: ...ed by position sensors to provide real time repositioning of the rotor shaft controlled by onboard digital electronics 12 4 Capacity Control The compressor shall have a Variable Frequency Drive VFD fo...

Страница 60: ...e 12 6 1 Ancillary Devices A check valve shall be installed on the discharge port of all compressors to protect against backflow of refrigerant during coast down It is recommended that the valve be lo...

Страница 61: ...larly at low compression ratios 5 Take all necessary precautions to prevent any possibility of liquid floodback to the compressor This means consideration during the ON and OFF cycles particularly in...

Страница 62: ...The circuit must be properly designed to reflect the specified heat exchanger approach with minimized pressure drops across the liquid side and expansion side Piping design including expansion device...

Страница 63: ...t port is fitted with a 5 8 flare adapter NOTE Danfoss LLC highly recommends the insulation of the suction and inter stage pipe as well as the bottom of the compressor for MT applications to prevent i...

Страница 64: ...pressure ratio due to high evaporator load conditions such as hot building start up can limit the maximum capacity of the centrifugal compressor If more capacity is desired it is advisable to raise t...

Страница 65: ...er with Subcooler Evaporator Sight Glass Check Valve Expansion Valve Motor Cooling Port Suction Port Economizer Port Discharge Port Sight Glass Filter Drier Check Valve Refrigerant Pump Pressure Regul...

Страница 66: ...oling Port Suction Port Economizer Port Discharge Port Sight Glass Sight Glass Filter Drier Filter Drier Evaporator Expansion Valve Expansion Valve Staging Valve Staging Valve Load Balancing Valve Loa...

Страница 67: ...Economizer Motor Cooling Port Suction Port Economizer Port Discharge Port Sight Glass Filter Drier Evaporator Expansion Valve Sight Glass Economizer Tank Condenser with Subcooler Filter Drier Expansio...

Страница 68: ...tic With Closed Type Economizer Motor Cooling Port Suction Port Economizer Port Discharge Port Sight Glass Filter Drier Evaporator Sight Glass Expansion Valve Condenser with Subcooler S Solenoid Valve...

Страница 69: ...lating Valve TTS300 TGS230 Medium Temperature Compressors Only Motor Cooling Port Suction Port Economizer Port Discharge Port Sight Glass Filter Drier Expansion Valve Condenser with Subcooler Sight Gl...

Страница 70: ...egulating Valve TTH TGH Medium Temperature Compressors Only Motor Cooling Port Suction Port Economizer Port Discharge Port Sight Glass Filter Drier Condenser with Subcooler Pressure Regulating Valve F...

Страница 71: ...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 Evaporator Ev...

Страница 72: ...t Discharge Port Motor Cooling Port with integral strainer Suction Port Economizer Port Discharge Port Motor Cooling Port with integral strainer Suction Port Economizer Port Discharge Port Sight Glass...

Страница 73: ...amage to the compressor NOTE All TGH TTH compressors MUST include an economizer flash or plate style If an economizer is not provided significant instability should be expected and the operating range...

Страница 74: ...r Port Discharge Port Sight Glass Sight Glass Filter Drier Filter Drier Condenser with Subcooler Filter Drier Filter Drier Filter Drier Expansion Valve Expansion Valve Sight Glass Sight Glass Check Va...

Страница 75: ...TTS400 Compressor presents the results of sound pressure calculations for various distances while the compressor is installed on top of a building Disclaimer The sound data below should be used as a g...

Страница 76: ...315 68 7 62 0 315 69 9 63 4 400 66 9 62 3 400 66 6 62 2 500 71 5 68 6 500 65 7 62 6 630 60 2 58 4 630 71 8 69 8 800 65 1 64 5 800 67 7 67 2 1000 76 5 76 7 1000 70 5 70 6 1250 66 2 66 9 1250 82 3 83 0...

Страница 77: ...A weighted dBA Third octave band Hz Linear scale dB A weighted dBA 160 51 65 160 55 70 200 49 61 200 50 62 250 60 70 250 61 70 315 60 68 315 62 69 400 64 71 400 65 75 500 63 65 500 62 66 630 78 79 63...

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Страница 79: ...1 02 788mm 20 4 518mm 19 17 487mm 318 lbs 144 kg 135 6 kg 299 lbs 133 4 kg 294 lbs TTH375 TGH285 36 7 932mm 23 2 590mm 19 17 487mm 400 lbs 181 kg 166 kg 366 lbs 163 7 kg 361 lbs 16 1 Clearance Adequat...

Страница 80: ...nt view Scale 1 2 MOTOR COOLING FITTING SIZE 1 2 SWEAT CONNECTION Discharge Port 229 7 9 04 TT300 TG230 220 2 8 67 TT350 TT400 TT500 TT700 TG310 TG520 O RING GROOVE OD 88 9 3 49 WIDTH 4 1 0 16 ID 80 7...

Страница 81: ...TH TGH Suction Side View Figure 16 5 TTH TGH Service Side View Front view Scale 1 2 79 996 3 15 8 5 0 9 6 3 3 5 705 5 27 78 4 8 7 2 3 1 9 1 8 484 35 19 07 560 55 22 07 272 49 10 73 2 0 3 1 8 3 1 7 5 1...

Страница 82: ...ischarge Side View Front view Scale 1 1 150 5 9 300 11 81 360 14 17 3 1 6 1 1 2 4 4 4 8 7 2 3 1 9 1 8 220 8 66 589 56 23 21 O RING GROOVE OD 88 9 3 499 WIDTH 4 1 0 1614 ID 80 7 3 177 O RING GROOVE OD...

Страница 83: ...TTH TGH Compressors Figure 16 9 Center of Gravity Top View Excluding TTH TGH Compressors 150 66 5 93 8 7 3 4 3 4 4 2 9 0 4 4 1 1 4 3 220 2 8 67 3 8 1 1 5 Z L 2 2 7 1 8 9 4 167 6 57 787 30 98 Rear view...

Страница 84: ...or Side View Figure 16 11 TTH TGH Center of Gravity Top View Left view Scale 1 2 2 8 9 7 5 1 1 4 1 705 7 27 78 2 4 1 0 5 9 4 9 Z L Center of Gravity view Scale 1 2 182 3 7 18 484 35 19 07 1 5 0 5 9 1...

Страница 85: ...ection Guide for further details Figure 16 12 Discharge Port Detail TTS300 and TGS230 Description Parameter TTS300 TGS230 TGS490 TTS350 TGS310 TTS400 TGS390 TTS700 TGS520 TTH375 TGH285 CG LINE Length...

Страница 86: ...86 of 114 M AP 001 EN Rev Q Figure 16 13 Discharge Port Detail TTS350 and TGS310 Figure 16 14 Discharge Port Detail TTS400 and TGS390 Gas Flow Gas Flow...

Страница 87: ...87 of 114 M AP 001 EN Rev Q Figure 16 15 Discharge Port Detail TTS700 TGS490 and TGS520 Figure 16 16 Discharge Port Detail TTH375 and TGH285 Gas Flow 72 075 2 84 36 1 41 2 65 1 90...

Страница 88: ...88 of 114 M AP 001 EN Rev Q Figure 16 17 Suction Port All Models...

Страница 89: ...89 of 114 M AP 001 EN Rev Q Figure 16 18 Suction Port Detail DD All Models Excluding TTS700 and TGS520 Figure 16 19 Suction Port Detail DD TTS700 TGS490 and TGS520 Gas Flow Gas Flow...

Страница 90: ...90 of 114 M AP 001 EN Rev Q Figure 16 20 TTS300 and TGS230 Flange Footprint Details Figure 16 21 TTS350 TGS310 TTS400 TGS390 TTH375 and TGH285 Flange Footprint Details...

Страница 91: ...ead Spec Thread Depth mm Recommended Torque Nm Suction M16 34 5 75 Discharge M10 20 32 Economizer M10 20 32 WARNING Refer to the manufacturer fastener specifications and torque as required but do not...

Страница 92: ...r and Sensor Feedthroughs 5 4 44 Cavity Sensor E Housing and Later 13 10 115 SCR Mounting Screws 7 5 62 A C Bus Bars 6 4 53 DC Capacitors and Bleed Resistor 2 1 18 IGBT Mounting Screws 6 4 53 Shraeder...

Страница 93: ...n of a sight glass and full flow liquid dryer in the motor cooling line NOTE Some applications may require alternative arrangements Contact Danfoss LLC for further assistance if required CAUTION The d...

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Страница 95: ...nsate Insulation should be installed on the suction valve piping and the end cap as this is where condensation is most likely to form It is recommended to fit an End Cap insulator in a humid environme...

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Страница 97: ...ue to the flexibility of the compressor s isolation mounts compressor vibration during transit can fracture the motor cooling line s rigid piping Danfoss LLC suggests the temporary installation of an...

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Страница 99: ...compressor to protect it from damage Two eyebolts one at each end are provided for compressor rigging A spreader bar should be used to safely position the compressor into its final location refer to...

Страница 100: ...ng base points the overall height of the compressor will change Be sure to measure accordingly based on the insulator used 1 If isolation pads are used install four 4 pads in accordance with the footp...

Страница 101: ...anking plates Isolation and recovery of the refrigerant must be performed by a qualified technician Always wear proper safety equipment when handling refrigerants Refer to Figure 20 5 Motor Cooling Co...

Страница 102: ...trol Wiring Details on page 31 provides details for the module terminal connections CAUTION Incorrect wiring of the terminals can severely damage the module and other components The interface cable co...

Страница 103: ...103 of 114 M AP 001 EN Rev Q Figure 20 6 Compressor I O Board Connections Interface Cable Compressor I O Board...

Страница 104: ...shield terminal on the compressor I O board refer to Figure 20 7 Interlock and Motor Speed Connections If the measured voltage is not zero 0 determine the source of the voltage The most likely cause o...

Страница 105: ...l Connections on page 106 20 7 Power Wiring This section describes the connection of the power wiring to the compressor Figure 20 9 Typical Electrical Connections on page 106 shows a typical schematic...

Страница 106: ...minals on page 107 Continue to Step 8 for TT300 TG230 compressors For all other TTS TGS compressors continue to Step 9 Figure 20 10 Ground Post Nuts 8 The three 3 compression lugs on the TTS300 TGS230...

Страница 107: ...ssor 12 Replace the mains input cover and secure it the fasteners Seal Bracket Opening TTS300 TGS230 Compressors All TTS TGS TTH TGH Models Prior to Revision H Except TTS300 TGS230 Upper Nut Jam Nut M...

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Страница 109: ...panel using approved methods e g cable gland A 1 2 AC Line Cable Connection to Compressor Terminal 1 Feed the AC line cable through the opening in the side of the main supply panel 2 Attach the AC lin...

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Страница 111: ...de Connection 1 Insert the load wires instead of the line side of the line reactor into the terminals labeled L1 L2 and L3 on the Load side of the filter Tighten the terminal screws 2 Attach the groun...

Страница 112: ...112of114 M AP 001 EN Rev Q Figure B 2 Grounding Diagram Grounding Diagram Filter Ground Lug Short Heavy Braided Cable Main Ground Bus...

Страница 113: ...from a list of symptoms in the app that match the problems exhibited by the compressor being serviced The app will then list potential causes solutions to the problem and service literature to referen...

Страница 114: ...as distinct variable speed technology specialists Today we operate from engineering and manufacturing facilities spanning across three continents Danfoss Inverter Scrolls Danfoss Turbocor Compressors...

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