Johnson Controls SABROE UniSAB III Engineering Manual page 131

Compressor control and surveillance
Capacity vs speed diagram, SMC/H P C 11 6 S / L V S D wi th CFA140/200 coupling
Minimum speed: 700 rpm
10 0
9 0
8 0
7 0
6 0
5 0
4 0
3 0
2 0
1 0
0
0
0H z
Note: Actual allowed speed range depends on operating conditions and motor selection.
Fig. 20: Capacity vs speed diagram, SMC 116 S-L with CFA 140/200 coupling.
Engineering manual - UniSAB III 1.10.8
001930 en 2021.06
Blue line: both SPEEDand STEP mode
Black line: SPEED mode (optimised for best regulation)
Red line: S T EP mode (optimis e d for best COP)
Dashed lines: transient operation only
Dotted red line: regulation by utilising total
unloading and/or compressor start/stop
16 cyl
12 cyl
8 cyl
4 cyl
6 0 0
20H z
131/346
1 2 0 0 1
40Hz 60H z
Speed (rpm)
8 0 0