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2
Vol. 1.2 © 2020 Hanbell Precise Machinery Co., Ltd.
All rights reserved
Contents
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Contents...................................................................................................................................................................2
Chapter 1. Introduction............................................................................................................................................4
Features ...............................................................................................................................................................4
Ambience.............................................................................................................................................................4
Chapter 2. Basic design...........................................................................................................................................5
2.1 Compressor nomenclature.............................................................................................................................5
2.2 Application limits..........................................................................................................................................5
2.3 Compressor specifications.............................................................................................................................6
2.4 Compressor outline........................................................................................................................................7
2.5 Connections...................................................................................................................................................8
2.5.1 Suction/discharge/economizer flange size..............................................................................................8
2.5.2 Butterfly valve ......................................................................................................................................10
2.5.3 Check valve ..........................................................................................................................................11
3. Suction Structure...............................................................................................................................................12
3.1 Inlet Guide Vanes........................................................................................................................................12
3.1.1 Control of inlet guide vanes..................................................................................................................12
3.2 Vane actuator control ..................................................................................................................................13
3.2.1 Actuator data.........................................................................................................................................13
3.2.2 Electrical connections...........................................................................................................................14
3.2.3 Wiring...................................................................................................................................................14
3.2.4 Control info...........................................................................................................................................15
3.2.5 Troubleshooting....................................................................................................................................17
3.3 Capacity adjustment ....................................................................................................................................18
3.4
Equation of safety margin line...................................................................................................................18
3.5 Hot gas bypass (HGBP)...............................................................................................................................19
3.6 Middle pressure stop valve..........................................................................................................................20
4.1 Motor cooling..............................................................................................................................................21
4.1.1 Heater....................................................................................................................................................21
4.1.2 Pt100 Thermostat..................................................................................................................................21
4.2 Liquid returned from motor and bearings....................................................................................................22
4.3 Motor Temperature Control.........................................................................................................................23
4.4 Motor connection.........................................................................................................................................23
4.4.1 Voltage & Frequency............................................................................................................................23
4.4.2 Components of inverter ........................................................................................................................23
