Johnson Controls SABROE Unisab III Control User Manual

Example:
Sp2 = 90°C. Cooling starts at 90°C and stops at (90-5) = 85°C.
Adjusting range: -20°C-+150°C.
Factory value: 100°C.
The regulator controls the solenoid valve through the liquid injection digital output.
6: Oil rectifier
No
Yes
The oil rectifying function is used on brine plants in marine execution. If selecting this function
also check the timers Oil Rectifying Start, Oil Rectifying Delay and Oil Rectifying Blocked.
7: Sep. Vel. Ref.
0.00-10.00
Separator velocity reference is calculated in the programs CoolWare or COMP 1 when calculat-
ing the unit based on running conditions. Enter the COMP 1 or CoolWare result here. This pa-
rameter is used in connection with the capacity limitation Separator velocity. See section
3.2. Limiting functions.
8: Sep. Vel. CR
Separator velocity compression ratio is calculated in the programs CoolWare or COMP 1 when
calculating the unit based on running conditions. Enter the COMP 1 or CoolWare result here.
This parameter is used in connection with the capacity limitation Separator velocity. See sec-
tion 3.2. Limiting functions.
9: Sep. temp. control
This setting enables Oil separator temperature control and supervision for the following screw
compressor types:
Compressor type Type no. Oil level/flow switch Notes
Gram
. GST 13-*GSB 84 58-98 level switch - used Oil level check enabled
Stal
. SAB80 48 level switch - used Oil level check enabled
. FV/SV 49-52 flow switch - not used
. S50/70/93 53-55 no level switch - jumper Oil level check enabled
Older types
. VMY Mk2 36 flow switch - not used
. VMY 347/447 37-40 flow switch - not used
. Grasso screw 103 flow switch - not used
Frick/Sabroe 1)
. SAB 120S-355X 118-138 level switch - used Oil level check enabled
. SAB 157HR 142 level switch - used Oil level check enabled
. SABflex 159 143 level switch - used Oil level check enabled
Other screw types NOT supported
Frick/Sabroe screw compressor types are as standard equipped with Oil separator tempera-
ture control and Oil level check as start permission. Therefore the Sep. temp. control configu-
ration is enabled as default for Frick/Sabroe screw compressors.
Other screw compressor types listed in the table can now be set up for Oil separator tempera-
ture control. This is an advantage when Unisab III is used for retrofit. For Gram compressors
Set-up
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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