SECTOR 1
The regulator has a single setting for transducer 4-20 mA with
range 0-45 bar.
Workbench Bk1 or 2 can be selected via S1 logic input.
The operating mode is set via dip switch 8
Configuration
Bench
Bench 1 (*) if
S1 = OFF
rPr045
Bench 2 if
S1 = ON
(*) Default configuration
In the event of regulator alarm, the word alarm covers the current
function name until the cause of the alarm is removed. Viewable
alarms are:
Message
Internal regulator temperature is > 85
- Check whether the regulator is well-ventilated;
T. board
- Check whether the regulator is under direct
sunlight.
The T.K. contact is open:
Thermal
- Make sure the U.K. contact in the terminal board is
grounded
The transducer input signal is too low:
- Check whether the transducer(s) is correctly
IN under
connected;
-Check whether the transducer(s) operates correctly.
The transducer signal is too high:
- Check whether the transducer(s) is correctly
IN over
connected;
-Check whether the transducer(s) operates correctly.
SECTOR 2
Regulator status indicates the operation run by the regulator at that
time.
Viewable regular status includes :
Message
The input command is out of operating dynamics
STANDBY
but over the Under Range alarm threshold
PWR
The input command is within PB (Pb1 or Pb2)
XX%
STOP
the S2 contact is on (see point 3.2.2)
ALARM
regulator alarm ('Fail' LED on)
REGULATOR SETTINGS
The ESD regulator has a basic set of parameters and 2 memory
benches.
8
Function
Inputs
In1 = pressure
FIX if
transducer
DSw8 = OFF
In2 = pressure
DGT(*) if
transducer
DSw8 = ON
IN3 = NTC probe
If
C
0
If
Basic parameters
Abbreviation
Description
ESD external tem-
ti
perature
i3
Room temperature
i2
Input value no. 2
i1
Input value no. 1
inX
Selected input
SP
Current set point
Common Values
Jh
Jump zone upper limit
JL
Jump zone lower limit
Cosfi
Fan power factor
Db (*)
Scroll filter dead band
Number of scroll filter
SN (*)
samples
Modbus Parameters
MB Add
Device address
MB Speed
Communication speed
Communication
MB Type
settings
Winter Mode
Winter TO
On temperature
Winter VO
Winter Mode speed
Operating tempera-
Winter T1
ture
Winter T2
Downtime
(*) Parameters only available with scroll filter on (DSw8=ON)
Bench 1 parameters (Bk1) (default configurations)
Abbreviation
Description
SP1
Set-Point
Pb1
Proportional band
Hi1
Maximum speed limit
Lo1
Minimum speed limit
De1
Acceleration time
Sh1
Forced to 100%
Ih1
Hysteresis on Sh1
S01
Forced to 0%
i01
Hysteresis on S01
HP1
Heat pump speed
Liebert
HCR - UM - 265224_EN - 13.10.2022
®
Default
Range
U.M.
-
0/90
°C
-
-25/+25
°C
-
0/50
bar
-
0/50
bar
-
0/50
bar
-
0/45
bar
100
0/100
%
100
0/100
%
59
0/99
%
50
2/50
°C
16
6/30
-
247
1/247
-
9600 4800/38400
-
8E1, 8o1,
8E1
-
8N1
3
-5/+5
°C
100
30/100
%
30
0/300
sec
15
1/120
min
Default Range U.M.
23.4
0/45
bar
5.4
1/45
bar
100
0/100
%
25
0/100
%
2
2/60
sec
32.4
0/45
bar
1
0.1/15
bar
19.3
0/45
bar
4.1
0.1/15
bar
100
0/100
%