RXB PLUS ROTARY SCREW COMPRESSOR UNITSS70-101 IOM
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INSTALLATION - OPERATION - MAINTENANCE
GENERAL INFORMATION
Preface..............................................................................3
Design Limitations ............................................................3
Job Inspection...................................................................3
Transit Damage Claims .....................................................3
Compressor/Unit Identification..........................................3
INSTALLATION
Foundation ........................................................................ 4
Handling and Moving ........................................................4
Skid Removal ....................................................................5
Motor Mounting .................................................................5
Compressor/Motor Coupling Installation ..........................5
Coupling Alignment Procedure ......................................... 6
Hot Alignment of Compressor/Motor ................................8
Checking Motor/Compressor Rotation..............................8
Holding Charge and Storage ............................................8
Compressor Oil .................................................................8
Oil Charge .........................................................................8
Oil Heater ..........................................................................8
Liquid Injection Oil Cooling ............................................... 9
Dual Dip Tube Method....................................................... 9
Level Control Method ........................................................9
Water-Cooled Oil Cooling ...............................................10
Thermosyphon Oil Cooling .............................................10
Economizer - High Stage ................................................12
Electrical .........................................................................13
Motor Starter Package ....................................................13
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
Prestart Checklist............................................................34
TABLE OF CONTENTS
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.............................................. 51
Wiring Diagrams ............................................................. 52
P and I Diagrams ............................................................58
PROPER INSTALLATION OF ELECTRONIC
EQUIPMENT ............................................................... 61
SPARE PARTS LIST....................................................... 64
OPERATING LOG ..........................................................65
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