10: Take over (reciprocating compressors)
No
Yes
Select Yes if Unisab III is configured as a reciprocating compressor, operates in a combined
plant of reciprocating and screw compressors and the Take over/transfer function in Multisab
is required.
11: COP active
No
Yes
Select Yes if Unisab III is fitted with a function for COP measuring (Coefficient Of Perform-
ance, i.e. cooling efficiency of compressor). COP measuring requires a flow measuring device
as well as a motor efficiency measuring device. See also Unisab III COP Manual. Select No if
Unisab III is not used for COP measuring.
12: Chiller
No
Yes
Select Yes to use the following build-in functions for chiller control. See section 3.6. Compres-
sor control - chiller functions for a detailed description.
Select Yes to enable the measurement and supervision of the process in temperature input.
The process in temperature will then be displayed in Control values/Process Temp/Values. See
subsection 3.6.5. Flow condenser (ChillPAC/PAC - optional).
Always select No if you do not use chiller functions. See section 3.6. Compressor control -
chiller functions for a detailed description.
When chiller operation is set to Yes the following configuration points 11 to 17 will show up.
13: Oil return sep.
No
Yes
Select Yes to use the oil return from separator function. See subsection 3.6.1. Oil return from
oil separator (ChillPAC).
14: Oil return evap.
No
Yes
Select Yes to use the oil return from evaporator function. See subsection 3.6.2. Oil return
from evaporator (ChillPAC/PAC).
15: By-pass start
No
Yes
Select Yes to use the by-pass start function. See subsection 3.6.3. By-pass function (Chill-
PAC). When choosing by-pass start it will not be possible to configure 16: Level control to LP
or HP.
Set-up
Engineering manual - Unisab III 1.10
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