Johnson Controls SABROE Unisab III Control User Manual

Regulator type Minimum Maximum
Factory
setting
Unit
temperature
(Hot water)
Sp 2 -60 100 20
°C
Nz 0.0 100 0
°C
Pb 0.1 999.9 50
°C
(T.Int.) Only
when PID=Yes
0.5 999.9 60.0 sec.
(T.Diff.) Only
when PID=Yes
0.0 99.9 0.0 sec.
Ext. cool
Sp 1 -999 999 0
Sp 2 -999 999 0
Nz 0 999.9 0
Pb 0 999.9 100
(T.Int.) Only
when PID=Yes
0.5 999.9 60 sec.
(T.Diff.) Only
when PID=Yes
0.0 99.9 0 sec.
Ext. heat
Sp 1 -999 999 0
Sp 2 -999 999 0
Nz 0 999.9 0
Pb 0 999.9 100
(T.Int.) Only
when PID=Yes
0.5 999.9 60 sec.
(T.Diff.) Only
when PID=Yes
0.0 99.9 0 sec.
Motor current Sp 1 0 2500 2500 Amp
Limiter Sp 2 0 2500 2500 Amp
Table 19: Settings - regulating parameters, screw compressors
Settings regulating parameters, SABCube Start-up limiter
Regulator type
Param-
eter
Minimum Maximum
Factory
setting
Unit
Start-up limiter
High internal suction pres-
sure
Nz 0.0 2.0 0.3 bar
Pb 0.0 100.0 1.0 bar
T.int. 0.0 100.0 60.0 sec.
Run
time
0.2 6.0 0.4 sec.
Start-up limiter
Low oil pressure
Nz 0.0 2.0 0.3 bar
Pb 0.0 100.0 1.0 bar
T.int. 0.0 100.0 60.0 sec.
Table 20: Settings - regulating parameters, SABCube Start-up limiter
Settings - Regulating parameters, chiller level control
Regulator type Minimum Maximum
Factory
setting
Unit
Level control Sp 1 0 100 30 %
Nz 0 10 2 %
Pb 0 200 10 %
Ti 0 999 30 sec.
Td 0 999 0 sec.
Table 21: Settings - regulating parameters, chiller level control
Compressor control and surveillance
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Engineering manual - Unisab III 1.10
001930 en 2014.09

Johnson Controls SABROE Unisab III Control Specifications

General

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