Johnson Controls SABROE UniSAB III Engineering Manual page 8

2.3 Shutdowns and alarms list with id nos.
2.3.1 Shutdowns and alarms for screw compressors ...................... 64
2.3.2 Shutdowns and alarms for reciprocating compressors ........... 67
3. Compressor control and surveillance ................................................. 69
3.1 Compressor regulation set-up ..................................................... 69
3.1.1 Control mode set-up ........................................................... 69
3.1.2 Regulator set-up ................................................................. 70
3.1.3 Regulation of screw compressors ......................................... 70
3.1.4 Capacity PID regulation (outer loop) ..................................... 71
3.1.5 Capacity P regulation (inner loop) ........................................ 72
3.1.6 Vi slide regulation ............................................................... 72
3.1.7 Regulator settings ............................................................... 72
3.1.8 Regulation of reciprocating compressors .............................. 76
3.1.9 Set points for regulators ...................................................... 77
3.1.10 User input regulator (Ext. input) ............................................ 82
3.1.11 Set point control with user input 1 ......................................... 83
3.1.12 Capacity control with user input 1 ......................................... 85
3.1.13 Climate compensation ......................................................... 86
3.2 Limiting functions ....................................................................... 90
3.2.1 Introduction ........................................................................ 90
3.2.2 Standard limiters ................................................................. 91
3.2.3 Special limiters ................................................................... 93
3.2.4 Display indications (screw compressors) ............................ 100
3.2.5 Display indications (reciprocating compressors) .................. 101
3.3 Compressor control - screw compressors .................................. 102
3.3.1 Start sequence ................................................................. 102
3.3.2 SAB 163 Mk 1 with oil pump .............................................. 102
3.3.3 SAB 110/128/163 Mk 2 without oil pump ............................. 102
3.3.4 SAB 128/163 Mk 2 Booster with oil pump ............................ 103
3.3.5 SAB 202, SAB 163 H/128 H Mk 3 with oil pump and VMY
Mk 3 with full flow pump ..................................................... 103
3.3.6 SAB 128HR and 163HR with oil pump ................................ 104
3.3.7 SAB 80 with fitted (mechanical) oil pump ............................ 105
3.3.8 VMY Mk 2 and 2.5 with built-in oil pump .............................. 105
3.3.9 VMY Mk 3 without full flow pump ........................................ 105
3.3.10 FV 19 with oil pump ........................................................... 106
3.3.11 FV 24/26 with oil pump ...................................................... 107
3.3.12 SV 24/26 with oil pump ...................................................... 107
3.3.13 GSV/RWF with oil pump .................................................... 108
3.3.14 GST with oil pump ............................................................. 109
3.3.15 SAB 283 Mk 1, SAB 330 and SAB 355 Mk 1 with oil
pump ............................................................................... 110
3.3.16 SAB 120 and 151 with oil pump ...........................................111
......................................... 64
Engineering manual - UniSAB III 1.10.8
8/346 001930 en 2021.06