Engineering manual - UniSAB III 1.10.8
264/346
001930 en 2021.06
Adjust the minimum position on the Vi slide position transmitter. Change
Setpoint 1
to 110% and watch
the Vi position which is now going to rise to the maximum position.
Wait until it does not rise any further and adjust the maximum position on the transmitter. Change
Set-
point 1
to -10% and check minimum. Change
Setpoint 1
to 0.0% for automatic Vi control.
Besides, UniSAB III automatically changes to automatic Vi control after the compressor has been
stopped.
7.5.6
Adjusting turning transmitter
SAB 110-128-163 and SAB 202 (capacity and Vi)
The turning transmitter has two ways of adjustment. The cover must be removed before adjustment.
Fig. 34 illustrates the zero and span adjusting screws of the position transmitter.
Fig. 34: Zero and span adjusting screws of position transmitter
With the capacity or Vi slide in minimum position, adjust zero until the display shows 0%.
With the capacity or Vi slide in maximum position, adjust span until the display shows 100%.
1
3
No. 3
2
0%
2.
2.5
3.
4.5 4.
3.5
SPAN + ZERO
100%
Slide position
Volume ratio
1 = 4-20 mA
2= +24 VDC
3 = GND
Summary of Contents for SABROE Unisab III Control
Page 1: ...UniSAB III control Version 1 10 8 Engineering manual EN...
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