MAXA HWA1-A 0140, Manual

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HWA1-A
Air/water chillers with axial fans
20
Value Description
21
Signalization of defrosting period
•
The digital output is activated at the beginning of defrosting cycle, once the Pa d06 time period has terminated
•
The digital output is deactivated at the end of defrosting cycle, once the Pa d07 time period is terminated.
24 Signalization of heat pump alarms
31
Signalization of plant season
•
The output is active in cooling mode operation
•
The output is not active when the unit is in heating mode operation
•
The output is not active if the unit is OFF.
During the DHW production and defrosting cycle, the output keeps the settings of the provenance season.
47
The output is activated if one the below alarms is active and the following conditions must be fulfilled:
Alarm Reste condition
E001 Manual
E002 Manual
E005 Manual
E006 Manual
E008 Manual
E018 Automatic
E041 Manual
E101 Automatic
E102 Automatic
Sensor error Automatic
16 HANDBOOK FOR SOME CONFIGURATIONS OF INSTALLATION
For more information about some configurations, you can contact our office and ask for the handbook which collects a series of
some recommended highlighted drawings of plants regarding the installation configurations of our high efficiency heat pumps.
The "Handbook" shows the symbiotic potential with some of our products in the catalogue.
17 TABLES OF ALLOWED CONFIGURATIONS FOR THE USER AND INSTALLER
The parameters can be activated and/or edited by user or when using the installer password to get access in the CB Control menu
which is located on the front panel of the unit.
DESCRIPTION GROUP IDENTIFICATION CODE PARAMETER INDEX VISIBILITY
Configuration CnF H- USER/INSTALLER
Compressor CP C- INSTALLER
Fan motor FAn F- INSTALLER
Alarms ALL A- INSTALLER
17.1 SETPOINT CONFIGURATION PARAMETERS
SETPOINT CONFIGURATION PARAMETERS
Parameter Description Unit Default Range Visibility Allowed configuration Notes
Coo First setpoint in cooling mode °C
11 (mod. 255-272)
12 (mod. 142)
H03÷20.0 USER
17.2 CONFIGURATION PARAMETERS
Parameter Description Unit Default Range Visibility Allowed configurations Notes
H03 Maximum set point in cooling °C 23.0 -50.0÷80.0 INSTALLER
H04 Minimum set point in cooling °C
9 (mod. 255-272)
10 (mod. 142)
-50.0÷80.0 INSTALLER
H47 DI3 configuration / 2 0÷30 INSTALLER
0 = input not assigned
2 = Remote On / Off
Terminal: DI2/ DI2
H80
D02 under voltage digital
output
/ 0 0÷47 INSTALLER
0 = output not assigned
24 = alarm notification
Under voltage output 230Vac,
50Hz, 5A resistive, 1A inductive;
Terminals of exchange contact
NC1, N1, NO1.
H126 Serial address / 1 1÷120 INSTALLER
In case of installing 2 units or more in
cascade configuration, you have to assign
different addresses for each controller.
17.3 CONFIGURATION PARAMETERS OF THE ALARMS
CONFIGURATION PARAMETERS OF THE ALARMS
Parameter Description Unit Default Range Visibility Allowed configurations Notes
A16 Low pressure set in cooling operation Bar
according to
the model
4,0÷80,0 INSTALLER