PARAMETER
NAME
outdoor temperature for adiabatic
PE11
panels enabling
Outdoor temp. differential for wet
PE13
resources (AP/spray) enabling
Fan speed with active adiabatic
PF35
panels
Adiabatic panel adjustment type
0: double loop (Primary + neutral
zone)
PR31
1: Primary with saturation in flow
rate (proportional)
2: Primary with saturation in flow
rate (neutral zone)
Set-point of water flow rate to
PR32
adiabatic panels
Neutral zone/ adjustment band in
PR33
adiabatic panel flow rate
adjustment
Change in modulation in neutral
PR34
zone adiabatic panel adjustment
Neutral zone modulation time in
PR35
adiabatic panels adjustment
Minimum request for adiabatic
PR36
panels activation
Minimum opening value of
PR37
adiabatic panel modulating valve
Maximum opening value of
PR38
adiabatic panel modulating valve
AP water valve activation delay
PR39
from AP solenoid valves
MODBUS Registers
MODBUS
MODBUS
Parameter Name and
Register
Register
Description
Base 0
Base 1
PE11
outdoor temperature for
0x07DA
2011
adiabatic panels enabling
PE13
Outdoor temp. differential
for wet resources
0x07DC
2013
(AP/spray) enabling
PF35
Fan speed with active
0x07C4
1989
adiabatic panels
LU1W - User Manual
DESCRIPTION
Data Type and Notes
[unit of measure as set by
PH02, default °C]
- unsigned short int
[unit of measure as set by
PH02,
- unsigned short int
[%]
- unsigned short int
DEFAULT
MIN
VALUE
VALUE
27.0
0.0
0.5
00
100.00
0.00
Saturation
2 loop
2 loop
2000
1
30
1
2.0
0.0
5
1
20.0
0.0
0.0
0.0
100.0
PR37
0
0
Default
value
27.0
default
°C]
0.5
100.00
44
MAX
UM
VALUE
80.0
°C
USER → OPTIMIZAT.
°C
10.0
%
USER → OPTIMIZAT.
PF20
-
ZN
30000
L/H
L/H
1000
%
100.0
sec
9999
%
100.0
%
PR38
%
100.0
9999
sec
Decimal
Min
Max
positions
0.0
176.0
0.0
18.0
0.00
PF20
REV.1.1 – 07/11/2017 - ENG
MENU
ADVANCED →
T. OUTDOOR
ADVANCED →
REGULATION
ADVANCED →
REGULATION
ADVANCED →
REGULATION
ADVANCED →
REGULATION
ADVANCED →
REGULATION
ADVANCED →
REGULATION
ADVANCED →
REGULATION
ADVANCED →
REGULATION
ADVANCED →
REGULATION
MODBUS
Register
Type
0.0
holding
0.0
holding
0.00
holding