Sequencing Status Info - Johnson Controls SABROE UniSAB III Engineering Manual

6.2.3

Sequencing status info

The Multisab functions are found in the menu Setup/Sequencing.
Compr. No, Start no and System no can be adjusted in the range 1-14 in the picture Setup/Configura-
tion/Plant. Multisab Master can be set to Start# or Compr# in the picture Setup/Compr. Control. This pic-
ture shows Multisab information for all compressors in the communication network - and can be seen on
all UniSAB III units.
Cmp
Compressor no. 1 - 14
Str
Start number for this compressor no.
Sys
System number for this compressor no.
Reg
The compressor no. working as system regulator for this compressor no.
Cap
Compressor capacity for this compressor no.
Mode
Compressor control mode can be one of the following: Stopped, Manual, Auto or Remote.
Status
Compressor operating status for this compressor no. Compr. Status can be one of these:
State
0 No unit
Ready
1
Running
2
Starting
3
4 Shutdown
5 Pause
Prelub.
6
Cap. slide down
7
Runs at overl.
8
Discharge lim.
9
10 Suction lim.
11 Stopped
Table 41: Compressor states of compressor no. 01
If communication is missing to one of the UniSAB III units, the status field in row 6 will be replaced by a
No unit.
Explanation
No unit connected.
UniSAB III is ready to start.
Compressor in operation.
Compressor motor start-up.
In a state of shutdown.
Waiting for a timer to expire/compressor stopped and in limitation
mode.
Working on the prelubrication sequence.
Runs the slide down after stop.
Motor current/power too high.
Discharge pressure too high.
Suction pressure too low.
Compressor cannot start.
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Engineering manual - UniSAB III 1.10.8
001930 en 2021.06
Set-up