Johnson Controls SABROE Unisab III Control User Manual

Contents
1. Unisab III control
13
1.1. Introduction
13
1.2. Operating Unisab III control
14
1.2.1 Start-up
14
1.2.2 Display
16
1.2.3 Front panel
16
1.2.4 Menu structure
18
1.2.5 Session
26
1.2.6 Changing set values
29
1.2.7 Favourites
31
1.2.8 Manual and auto operation
33
1.2.9 Shutdown and alarm acknowledgement
34
1.2.10 Factory settings
35
2. Alarms and shutdowns
36
2.1. Analog alarms and shutdowns
36
2.1.1 Introduction
36
2.1.2 Measured and calculated pressure levels - screws
37
2.1.3 Measured and calculated temperatures - screws
39
2.1.4 Measured and calculated pressure levels - recips.
40
2.1.5 Measured and calculated temperatures - recips.
41
2.1.6 Measured/calculated pressure levels/temp. - HPO/HPC
42
2.1.7 Notes
43
2.1.8 Oil pressure calculations
46
2.1.9 Suction gas superheat, shutdown
47
2.1.10 User input 1 (4-20 mA)
47
2.1.11 Oil pressure alarm (SABflex and SABCube)
47
2.1.12 Oil pressure shutdown (SABflex and SABCube)
47
2.2. Other alarms and shutdowns
48
2.2.1 High oil differential pressure (SMC Mk4)
48
2.2.2 Oil system error (screw compressors)
48
2.2.3 Capacity error (screw compressors)
48
2.2.4 PMS error
48
2.2.5 No starting permission
49
2.2.6 Compressor motor error
49
2.2.7 Compressor motor overload
49
2.2.8 Discharge pressure overload
49
2.2.9 High motor temperature
49
4/319
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