Engineering manual - UniSAB III 1.10.8
001930 en 2021.06
131/346
Compressor control and surveillance
Fig. 20: Capacity vs speed diagram,
SMC 116 S-L with CFA 140/200
coupling.
Capacity vs speed diagram, SMC/H
P C 11 6 S / L V S D wi th CFA140/200 coupling
Minimum speed: 700 rpm
Speed
(rpm)
Capacity
%
0
0
8
1
0
0
2
1
0
0
6
0
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 (optimised for
best regulation)
Red line: S
T EP mode (optimis e d 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 motor selection.
20H
z
60H
z
40Hz
0H
z
Dotted red line: regulation by utilising total
unloading and/or compressor
start/stop
4
cyl
12
cyl
Summary of Contents for SABROE Unisab III Control
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