Johnson Controls SABROE UniSAB III User Manual

Engineering manual - UniSAB III 1.10.8
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001930 en 2021.06
Compressor control and surveillance
Fig. 19: Capacity vs speed diagram, SMC 116 E with CFA 30/90 coupling.
Capacity vs speed diagram , SMC 11 6 E VSD w ith C F A30/90 coupling
Minimum speed: 500 rpm
Speed (rpm)
Capacity %
005100010050
0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 0
Black li n e : S P E E D mo d e (op t i mi sed f o r be st r egula t i on)
Red line: S T EP mode (optimised for best COP)
4 cyl
8 cyl
Blue line: both SPEEDand STEP mode
Dashed lines: transient operation only
Note: Actual allowed speed range depends on operating conditions and motor selection.
12 cyl
16 cyl
Dotted red line: regulation by utilising total
unloading and/or compressor start/stop
Green line: requires a motor able to give fulltorque at 500 rpm
16 cyl
12 cyl

Johnson Controls SABROE UniSAB III Specifications

General

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