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Mask index
Display description
Ehb06
Enable pump down
Threshold
Eia01
---
---
--- (display only)
Max limit
Min limit
Calibration
...
...
Eia04
DI
Status
Logic
Function
...
...
Eia06
---
Status (display only)
...
...
Eia08
DO Line relay
Logic:
...
...
Eia15
DI On/Off parall.compr.
Status
Logic
Function (display only)
...
...
Eib01
Enable HPV valve
management
Algorithm selection
Eib02
Min HPV vale opening when
OFF
During ON
Max HPV valve opening
Max delta
Eib03
Pre-positioning
Prepos. time
Eib04
---
Eib05 (Defi nition
P100%
of the points on
Pmax
the graph, see
Pcritic
mask Eib04)
T12
T23
Tmin
Eib06 (Defi nition
T100%
of the points on
Delta
the graph, see
Coeff .1
mask Eib04)
Eib07
P1
I1
PHR
IHR
Eib08
Enable HPV setpoint fi lter
Number of samples
Eib09
Enable mgmt of HPV with HR Enabling of the various management of the HPV valve during heat recovery activation
HR setp.
Post HR Dt
Post HR DP
Eib10
HPV valve safety position
Eib11
Gas cooler temp delta with
probe error
Eib12
Enable HPV safeties from tank
pressure
Eib13
High tank pressure threshold High tank pressure threshold
Max tank pressure
HPV set.incr.
Eib14
Low tank pressure threshold Low tank pressure threshold
Min tank pressure
HPV set.decr.
Eib15
Force close with comp OFF
Delay clos. with comp. OFF
Eib16
Regul. in subcritical zone
Eib17
Enable
Delta
Delay
Eib18
Enable RPRV valve mgmt
Eib19
Min RPRV vale opening
when ON
During OFF
Eib20
Pre-positioning
Prepos. time
Eib21
Max RPRV valve opening
Max delta
Eib22
CO2 rec. pressure setpoint
Gain
Int time
Eib23
RPRV valve safety position
Eib24
Force close with comp OFF
Delay clos. with comp. OFF
Copyright HPL March 2021
Description
Enable pump down with at least one LT compressor active
Pump down threshold
RPRV tank pressure probe position
RPRV tank pressure probe type
RPRV tank pressure probe value
RPRV tank pressure probe maximum value
RPRV tank pressure minimum value
RPRV tank pressure probe calibration
...
HPV alarm digital input position
HPV alarm digital input status
HPV alarm digital input logic
HPV alarm digital input status
...
HPV valve analog output position
HPV valve analog output value
...
DO position and On/Off Status Parallel compressor
Logic Parallel Compressor DO:
...
Digital input on/off parallel compressor
Status parallel compressor DI (display only)
Logic parallel compressor DI
Function Status parallel compressor DI
...
HPV valve management enabled, or transcritical operation mode enabled
Selection of the algorithm-tyep to apply to the calculation of the pressure setpoint
Minimum opening of the HPV valve with the unit OFF
Minimum opening of the HPV valve with the unit ON
Maximum opening of the HPV valve
Maximum variation per second allowed for the HPV valve output
Opening of the HPV valve at start-up during pre-positioning
Pre-positioning duration
Calculation algorithm graph
P
upper pressure limit
100%
P
pressure for defi ning the upper proportional zone
max
P
optimal pressure calculated at the passage temperature between the intermediate zone
critic
and transcritical zone
T
limit temperature between the transcritical zone and intermediate zone
12
T
temperature limit between the intermediate zone and subcritical zone
23
T
temperature for defi ning the lower proportional zone
min
T
temperature for defi ning the complete opening zone of the valve
100%
Subcooling for optimized regulation
Coeffi cient for determining the customized line
Proportional gain for the proportional + integral regulation of the HPV valve
Integral time for the proportional + integral regulation of the HPV valve
Proportional gain for the proportional + integral regulation of the HPV valve with heat
recovery
Integral time for the proportional + integral regulation of the HPV valve with heat recovery 60
Enabling of the fi lter action on the HPV valve setpoint
Number of samples
Setpoint regulation of the HPV valve during heat recovery
Time scale for the setpoint reset procedure after heat recovery
Pressure scale for the setpoint reset procedure after heat recovery
HPV valve safety position
Off set to be applied to the external temperature in the event of gas cooler pressure probe
error
HPV valve safety procedure enabling
Maximum tank pressure allowed
Maximum off set to add to the HPV setpoint when the tank pressure exceeds the high
pressure threshold
Minimum tank pressure allowed
Maximum off set to subtract from the HPV setpoint when the tank pressure goes below the
low pressure threshold
Enable HPV valve closure when all compressors on line 1 are off
HPV valve closure delay when all compressors on line 1 are off
Enabling the regulation of the gas cooler in the subcritical zone
Enable warning function when the gas cooler pressure is too far from the setpoint for the
set time
Diff erence between the gas cooler pressure and the setpoint which generates the warning 30.0 barg
Delay time before generating the warning
Enable RPRV valve mgmt
Minimum opening of the RPRV valve with the unit ON
Minimum opening of the RPRV valve with the unit OFF
Opening of the RPRV valve at start-up during pre-positioning
Pre-positioning duration
Maximum opening of the RPRV valve
Maximum variation allowed for the HPV valve output
Regulation setpoint for the pressure for the CO2 receiver
Proportional gain for the proportional + integral regulation of the RPRV valve
Integral time for the proportional + integral regulation of the RPRV valve
RPRV valve safety position
Enable RPRV valve closure when all compressors on line 1 are off
RPRV valve closure delay when all compressors on line 1 are off
69
Page 118 of 169
Def.
U. of M.
Values
NO
---
NO | YES
1.5 barg
...
... (**)
---
---
---, U1...U10 (****)
4...20 mA
---
... (**)
---
...
... (**)
60.0 barg
...
... (**)
0.0 barg
...
... (**)
0.0 barg
...
... (**)
...
...
...
---
---
---, 01...18, U1...
U10 (****)
---
---
closed | open
NC
---
NC | NO
---
---
not active | active
...
...
...
0
---
---, 01...06 (****)
0
%
0.0...100.0
...
...
...
...
...
---, 01...18 (****)
NA
...
NC | NA
...
...
...
...
...
---, 01...18, U1...
U10 (****)
...
...
Open | Closed
NA
...
NC | NA
...
...
Not active | Active
...
...
...
NO
---
NO | YES
optimiz.
---
optimiz. | custom
0
%
0.0...100.0
0
%
0.0...100.0
0
%
0.0...100.0
0
%
0.0...100.0
0
%
0.0...100.0
0
s
0...9999
---
---
---
109.0 barg ...
... (**)
104.0 barg ...
... (**)
76.8 barg
...
... (**)
31.0 °C
...
... (**)
20.0 °C
...
... (**)
6.0 °C
...
... (**)
-10.0 °C
...
... (**)
3.0 °C
...
... (**)
2.5
...
-999.9...999.9
5 %/ barg
%/barg
0...100
60
s
0...9999
5 %/ barg
%/barg
0...100
s
0...9999
NO
---
NO | YES
5
---
0...99
NO
---
NO | YES
90.0 barg
...
... (**)
0.1
s
0...999
1.0 barg
...
... (**)
50.0
%
0.0...100.0
0.0 °C
...
... (**)
NO
---
NO | YES
40.0 barg
...
... (**)
45.0 barg
...
... (**)
10.0 barg
...
... (**)
32.0 barg
...
... (**)
27.0 barg
...
... (**)
10.0 barg
...
... (**)
NO
---
NO | YES
10
s
0...999
NO
---
NO | YES
NO
---
NO | YES
...
... (**)
30
s
0...999
NO
---
NO | YES
10.0
%
0.0...100.0
10.0
%
0.0...100.0
50.0
%
0.0...100.0
5
s
0...9999
100.0
%
0.0...100.0
10.0
%
0.0...100.0
35.0 barg
...
... (**)
20 %/barg %/barg
0...100
60
s
0...9999
50.0
%
0.0...100.0
NO
---
NO | YES
10
s
0...999
P4367 Rev 01
pRack PR300T +0300018EN rel. 1.5 - 02.05.2017
ENG
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