Johnson Controls SABROE Unisab III Control User Manual

3. Compressor control and surveillance
3.1. Compressor regulation set-up
3.1.1 Control mode set-up
The compressor can be adjusted for different modes of operation. These are found in the pic-
ture Setup/Compr.Control.
When selecting this picture, the cursor will be positioned in the top line. Press to move the
cursor to the second line.
Press (enter password if prompted) and select the desired mode of operation with and
. There are the following possibilities:
• Stopped
• Manual
• Auto
• Remote
Stopped means that the compressor is blocked and cannot start.
Manual means that the compressor only operates manually, i.e. it is not possible to switch to
a different mode by means of the Manual Mode switch in the Favourites/Default picture.
The compressor can, however, be started with
and stopped with . Capacity is in-
creased/decreased with
F2
/CAP. UP and
F3
/CAP. DOWN in the Favourites/Default picture.
Auto means that the compressor runs in local automatic operation according to the form of
regulation chosen (suction pressure, process temperature etc). It is possible to change to
Manual with the Manual Mode switch in the Favourites/Default picture.
Compressor control and surveillance
Engineering manual - Unisab III 1.10
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Johnson Controls SABROE Unisab III Control Specifications

General

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