Johnson Controls SABROE UniSAB III User Manual

Engineering manual - UniSAB III 1.10.8
001930 en 2021.06
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Compressor control and surveillance
Fig. 18: Capacity vs speed diagram, SMC 116 S/L with CFA 30/90 coupling.
Capacity vs speed diagram, SMC 116 S/L VSDwith CFA30/90 coupling
Minimum speed: 500 rpm
Speed (rpm)
Capacity %
008100210060
0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 0
Black line: SPEED mode (optimisedfor best regulation)
Red line: S T EP mode (optimised for best COP)
8 cyl
16 cyl
Blue line: both SPEEDand STEP mode
Dashed lines: transient operation only
Note: Actual allowed speed range depends on operating conditions and motorselection.
16 cyl
Green line: requires a motor able to give fulltorque at 500 rpm
20H z
60H z 40Hz
0H z
Dotted red line: regulation by utilising total
unloading and/or compressor start/stop
4 cyl
12 cyl
12 cyl

Johnson Controls SABROE UniSAB III Specifications

General

Brand	Johnson Controls
Model	SABROE UniSAB III
Category	Control Systems
Language	English