RXB PLUS ROTARY SCREW COMPRESSOR UNITS
INSTALLATION - OPERATION - MAINTENANCE
070.101-IOM (JAN 13)
Page 2
GENERAL INFORMATION
Preface............................................................................... 3
Design.Limitations.............................................................. 3
Job.Inspection.................................................................... 3
Transit.Damage.Claims...................................................... 3
Compressor/Unit.Identification........................................... 3
INSTALLATION
Foundation.......................................................................... 5
Handling.and.Moving.......................................................... 5
Skid.Removal..................................................................... 6
Motor.Mounting................................................................... 6
Compressor/Motor.Coupling.Installation............................ 6
Coupling.Alignment.Procedure........................................... 7
Hot.Alignment.of.Compressor/Motor.................................. 9
Checking.Motor/Compressor.Rotation............................... 9
Holding.Charge.and.Storage.............................................. 9
Compressor.Oil................................................................... 9
Oil.Charge.......................................................................... 9
Oil.Heater........................................................................... 9
Liquid.Injection.Oil.Cooling............................................... 10
Dual.Dip.Tube.Method...................................................... 10
Level.Control.Method........................................................ 10
Water-Cooled.Oil.Cooling................................................. 10
Thermosyphon.Oil.Cooling............................................... 11
Economizer.-.High.Stage.................................................. 12
Electrical........................................................................... 13
Motor.Starter.Package...................................................... 14
Current.Transformers.(CT).Ratios.................................... 14
Minimum.Burden.Ratings................................................. 14
Battery.Backup................................................................. 14
OPERATION
General.Information.......................................................... 15
Microprocessor.Control.Panel.......................................... 15
Keys.and.Key.Functions................................................... 16
To.Change.The.Adjustable.Setpoints............................... 18
How.To.Determine.Adjustable.Setpoints.......................... 18
Temperature-Pressure.Control.Program.......................... 22
Lead-Lag.(Option)............................................................ 24
Communications.Troubleshooting..................................... 24
How.The.Microprocessor.Works.-.Summary.................... 25
Multiple.Compressor.Sequencing..................................... 26
Microprocessor.Telecommunications................................ 27
Communications.Protocol.Specifications......................... 27
RXB.Compressor.............................................................. 30
Compressor.Lubrication.System...................................... 30
Full-Lube.Oil.System........................................................ 30
Compressor.Oil.Separation.System................................. 30
Compressor.Hydraulic.System......................................... 31
Compressor.Oil.Cooling.Systems..................................... 32
Single-Port.Liquid.Injection............................................... 32
Dual-Port.Liquid.Injection................................................. 33
Liquid.Injection.Adjustment.Procedure............................. 33
TABLE OF CONTENTS
Prestart.Checklist............................................................. 34
Initial.Start-up.Procedure.................................................. 35
Normal.Start-up.Procedure.............................................. 35
Restarting.Unit.After.Power.Failure.................................. 35
MAINTENANCE
Normal.Maintenance.Operations...................................... 36
Compressor.Shutdown.and.Start-up................................ 36
General.Instructions.For.Replacing
. Compressor.Unit.Components...................................... 36
Suction.Check.Valve.Bypass.Valve................................... 36
Oil.Filter,.Single................................................................ 36
Oil.Filter,.Dual................................................................... 37
Strainer,.Oil.Return........................................................... 37
Strainer,.Oil.Pump.(Optional)............................................ 37
Strainer,.Liquid.Injection................................................... 37
Coalescer.Filter.Element.................................................. 38
Changing.Oil..................................................................... 38
Recommended.Maintenance.Program............................. 38
Vibration.Analysis............................................................. 39
Oil.Quality.and.Analysis.................................................... 39
Motor.Bearings................................................................. 39
Operating.Log................................................................... 39
Maintenance.Schedule..................................................... 40
Troubleshooting.Guide...................................................... 41
Abnormal.Operation.Analysis.and.Correction.................. 41
Troubleshooting.The.Microprocessor................................ 42
EPROM.Memory.I/C.Chip.Replacement.......................... 45
SBC.Board.Replacement................................................. 45
Microprocessor.Display.Replacement.............................. 45
Output.Fuse.Replacement................................................ 45
Pressure.Transducers.-.Testing........................................ 45
Pressure.Transducer.Conversion.Data............................. 45
Pressure.Transducers.-.Replacement.............................. 46
Volumizer.Potentiometer.-.Replace/Adjust....................... 47
Temperature/Pressure.Adjustment................................... 47
Bare.Compressor.Mounting.............................................. 47
Troubleshooting.The.RXB.PLUS:
. Compressor.................................................................. 48
. Oil.Separator.System.................................................... 48
. Hydraulic.System.......................................................... 48
. Full-Time.Pump.Systems.............................................. 49
. Liquid.Injection.Oil.Cooling........................................... 49
Thermal.Expansion.Valves............................................... 50
Temperature.Control.Valve............................................... 50
P.and.I.Diagrams.............................................................. 51
Micro.Component.Placement.Diagram............................. 54
Wiring.Diagrams............................................................... 55
PROPER INSTALLATION OF ELECTRONIC
EQUIPMENT
................................................................. 60
OPERATING LOG
............................................................ 65