HWA1-A
Air/water chillers with axial fans
21
17.4
SETTING PARAMETERS
REGULATION PARAMETERS
Parameter
Description
Unit
Default
Range
Visibility
Allowed configurations
Notes
b01
Band in cooling mode
°C
1.5 (mod. 255-272)
2 (mod. 142)
0÷10,0
INSTALLER
b05
Hysteresis cut-off of the compressor
in Cooling and heating
°C
1
0.0÷25.5
INSTALLER
Recommended values included between 1 and 1.5
Other different values can ensure the proper
operation of the unit.
b09
Max Offset in cooling
°C
3.0
-50.0÷80.0
INSTALLER
b11
Outdoor set temperature in cooling
°C
25
-127÷127
INSTALLER
b12
Outdoor set temperature in heating
°C
15
-127÷127
INSTALLER
b13
Temperature differential in cooling
°C
-10.0
-50.0÷80.0
INSTALLER
b16
Scan time of compressors start-up
sec
1
0÷255
INSTALLER
b20
Enabling of
0-10V/ratiometric input
/
0
0÷1
INSTALLER
0 = 0-10V input
1 = ratiometric input
b25
Compressor regulation delta cut-on
hysteresis in cooling and heating
modes
°C
1
0.0÷25.5
INSTALLER
17.5
CONDENSATION PARAMETERS
CONDENSATION PARAMETERS
Parameter
Description
Unit
Default
Range
Visibility
Allowed configurations
Notes
F08
Set of the pressure at the minimum
fan speed in cooling mode
Bar
23.0
-50.0÷80.0
INSTALLER
F11
Hysteresis cut-off
Bar
5.0
0.0÷25.5
INSTALLER
F14
Setting of the pressure at the
maximum fan speed in cooling mode
Bar
30 (mod. 255-272)
33 (mod. 142)
-50.0÷80.0
INSTALLER
17.6
COMPRESSOR
PARAMETERS’
CONFIGURATION
COMPRESSOR PARAMETERS CONFIGURATION
Parameter
Description
Unit
Default
Range
Visibility
Allowed Configurations
Notes
n01
Output power from PC1
/
100
0÷100
INSTALLER
n02
Output power from PC2
/
according to
the model
0÷100
INSTALLER
n06
Compressors Lock Mode for installer
/
0
0÷1
INSTALLER
0 = Deactivated function
1 = Lockout
18
USER AND INSTALLER ALLOWED CONFIGURATION TABLES
WARNING
All the operations with installer visibility must be carried out by qualified personnel.
Not all the configurations can be simultaneously enabled and/or changed.
Other values different than those of default may ensure the proper operation of the unit, in case of necessity
contact please our office.
The company excludes any contractual and extra contractual liabilities for damages caused to persons,
animals or objects, by incorrect installation, setting and maintenance, improper use of the equipment, and
the partial or superficial reading of the information contained in this manual
The parameters can be activated and/or modified by the user or by entering the installer password in the controller that is located
on the front panel of the unit.
DESCRIPTION
GROUP IDENTIFICATIVE CODE
INDEX OF THE PARAMETER
VISIBILITY
Configuration
CnF
H-
USER/INSTALLER
Compressor
CP
C-
INSTALLER
Fan motor
FAn
F-
INSTALLER
Alarms
ALL
A-
INSTALLER
Regulation
Re
b-
INSTALLER
Pump
PUP
P-
INSTALLER
Electric heaters
Fro
r-
INSTALLER
Defrosting
dFr
d-
INSTALLER
Electronic valve
EEu
U-
INSTALLER
Offset
OFF
o-
INSTALLER
Inverter compressors
nCP
n-
INSTALLER
Summary of Contents for HWA1-A 0140
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