Johnson Controls SABROE UniSAB III Engineering Manual page 9

Engineering manual - UniSAB III 1.10.8
001930 en 2021.06
3.3.17 SAB 120 and 151 without oil pump
3.3.18 SAB 193, 233, 283 and 355 with oil pump ........................... 114
3.3.19 SAB 193, 233, 283 and 355 without oil pump ...................... 115
3.3.20 SABCube 109, 133 and 159 .............................................. 116
3.3.21 SAB 157 HR ..................................................................... 118
3.3.22 SAB 193 H, 233 H, 283 H and 355 H .................................. 119
3.3.23 SAB 273 S ....................................................................... 120
3.3.24 SABflex ............................................................................ 122
3.3.25 Oil charging, manually (screw compressors) ....................... 123
3.3.26 Rotatune (VSD) ................................................................ 124
3.3.27 Oil heating ........................................................................ 125
3.4 Compressor control - reciprocating compressors ........................ 126
3.4.1 Start sequence ................................................................. 126
3.4.2 Oil return .......................................................................... 126
3.4.3 Start unloading system for TCMO 28 compressor ................ 126
3.4.4 Additional steps on SMC compressors ............................... 126
3.4.5 Oil heating ........................................................................ 127
3.4.6 Rota (VSD) ....................................................................... 127
3.5 Compressor control - user functions .......................................... 137
3.5.1 External starting permission - immediate stop ..................... 137
3.5.2 External starting permission - normal stop .......................... 137
3.5.3 Capacity down blocked ..................................................... 137
3.5.4 Power management system (PMS) .................................... 137
3.5.5 Cold store function ............................................................ 137
3.5.6 Aux. output ....................................................................... 138
3.5.7 User input ........................................................................ 141
3.5.8 Motor current measuring ................................................... 141
3.5.9 Motor power measuring ..................................................... 142
3.5.10 Thermistor connection ....................................................... 143
3.5.11 COP set-up ...................................................................... 143
3.5.12 HP on two-stage ............................................................... 143
3.5.13 Refrigerant R000 .............................................................. 144
3.6 Compressor control - chiller functions ........................................ 145
3.6.1 Process out temp. ............................................................. 145
3.6.2 Process in temp. ............................................................... 145
3.6.3 Oil return from oil separator (ChillPAC) ............................... 146
3.6.4 Oil return from evaporator (ChillPAC/PAC) .......................... 146
3.6.5 By-pass function (ChillPAC) ............................................... 146
3.6.6 Flow evaporator (ChillPAC/PAC) ........................................ 146
3.6.7 Flow condenser (ChillPAC/PAC - optional) .......................... 146
3.6.8 Liquid level limiter (ChillPAC) ............................................. 146
3.6.9 Level control ..................................................................... 147
3.6.10 DX control ........................................................................ 147
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