Name: Johnson Controls SABROE Unisab III Control
Brand: Johnson Controls
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3: Low suct Pressure

Yes

Select Yes to activate alarm relay at low suction pressure alarm. Select No not to activate

alarm relay at low suction pressure alarm. It can be an advantage for SCADA systems not to

receive a low suction pressure alarm as Unisab III resets this automatically.

4: Capacity signal

Cap.Pos.

Freq.

Select Cap.Pos. if the terminal input for capacity is connected to a capacity slide transmitter

or is configured as an SAB 128/163 HR compressor with analog speed control in the frequency

converter.

Select Freq. if the terminal input for capacity is connected to a frequency converter so that

changes in the motor frequency (rpm) are shown as changes in the capacity.

6.4.8 External (User 1) input

See section 3.5. Compressor control - user functions.

6.4.9 Aux. output

See section 3.5. Compressor control - user functions.

Set-up

Engineering manual - Unisab III 1.10

001930 en 2014.09

203/319

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Johnson Controls SABROE Unisab III Control Specifications

General