Johnson Controls SABROE UniSAB III - Table of Contents

Engineering manual - UniSAB III 1.10.8
6/346
001930 en 2021.06
Contents
1. UniSAB III control ................................................................................ 14
1.1 Introduction ............................................................................... 14
1.2 Operating the UniSAB III control.................................................. 15
1.2.1 Start-up.............................................................................. 15
1.2.2 Display............................................................................... 17
1.2.3 Front panel......................................................................... 18
1.2.4 Menu structure ................................................................... 19
1.2.5 Session.............................................................................. 28
1.2.6 Changing set values ........................................................... 31
1.2.7 Favourites .......................................................................... 33
1.2.8 Manual and auto operation .................................................. 35
1.2.9 Shutdown and alarm acknowledgement ............................... 36
1.2.10 Factory settings .................................................................. 37
2. Alarms and shutdowns........................................................................ 38
2.1 Analogue alarms and shutdowns................................................. 38
2.1.1 Introduction ........................................................................ 38
2.1.2 Measured and calculated pressure levels - screws ................ 39
2.1.3 Measured and calculated temperatures - screws................... 42
2.1.4 Measured and calculated pressure levels - recips.................. 43
2.1.5 Measured and calculated temperatures - recips. ................... 44
2.1.6 Measured/calculated pressure levels/temp. - HPO/HPC/
HPX
................................................................................... 45
2.1.7 Notes................................................................................. 46
2.1.8 Oil pressure calculations ..................................................... 51
2.1.9 Suction gas superheat, shutdown ........................................ 52
2.1.10 User input 1 (4-20 mA) ........................................................ 52
2.1.11 Oil pressure alarm (SABflex and SABCube).......................... 52
2.1.12 Oil pressure shutdown (SABflex and SABCube).................... 52
2.2 Other alarms and shutdowns ...................................................... 52
2.2.1 High oil differential pressure (SMC Mk 4) .............................. 52
2.2.2 Oil system error (screw compressors)................................... 52
2.2.3 Capacity error (screw compressors) ..................................... 53
2.2.4 PMS error .......................................................................... 53
2.2.5 No starting permission......................................................... 53
2.2.6 Compressor motor error ...................................................... 53
2.2.7 Compressor motor overload ................................................ 54
2.2.8 Discharge pressure overload ............................................... 54
2.2.9 High motor temperature ...................................................... 54
2.2.10 Oil pump error (screw compressors)..................................... 54
2.2.11 Oil pump error (SAB 80, S 50, S 70, S 93)............................. 54
2.2.12 Full flow pump error (screw compressors)............................. 54