MAXA i-MAX 0475 - Setting Parameters

i-MAX Industrial inverter air/water heat pump with axial fans
28
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
11.1 SETPOINT CONFIGURATION PARAMETERS
Parameter
Description
Unit
Default
Range
Visibility
Allowed configurations
Notes
Coo
First setpoint in cooling
°C
7.0
H03÷Co2
USER
Hea
First setpoint in heating
°C
45.0
He2÷H01
USER
San
DHW (sanitary) setpoint
°C
48.0
H02÷H01
USER
Co2
Second setpoint in cooling
°C
18.0
Coo÷H03
USER
He2
second setpoint in heating
°C
35.0
H02÷Hea
USER
11.2 CONFIGURATION PARAMETERS
Parameter
Description
Unit
Default
Range
Visibility
Allowed configurations
Notes
H01
Maximum set point in heating
°C
63.0
-50.0÷80.0
INSTALLER
H02
Minimum set point in heating
°C
25.0
-50.0÷80.0
INSTALLER
H03
Maximum set point in cooling
°C
25.0
-50.0÷80.0
INSTALLER
H04
Minimum set point in cooling
°C
5.0
-50.0÷80.0
INSTALLER
H47 Configuration of digital input ID3 / 2 0÷30 INSTALLER
0 = input not assigned
21=On/Off
ID3, ID3 terminals
H126 Serial address / 1 1÷200 INSTALLER
In case of several units installed in cascade
configuration, you have to assign different
addresses for each controller.
11.3 ALARM CONFIGURATION PARAMETERS
Parameter
Description
Unit
Default
Range
Visibility
Allowed configurations
Note
A08
Antifreeze alarm activation setting
°C
2
-127÷127
INSTALLER
A09
Antifreeze alarm hysteresis
°C
3.0
0.0÷25.5
INSTALLER
A16
Low pressure set in cooling operation
Bar
Based on the model
4,0÷80,0
INSTALLER
A27
Low pressure set in heating operation
/
1.3
0.0÷25.5
INSTALLER
11.4 SETTING PARAMETERS
Parameter
Description
Unit
Default
Range
Visibility
Allowed configurations
Note
b01
Band in cooling mode
°C
2,0
0÷10,0
INSTALLER
b02
Band in heating mode
°C
2,0
0÷10,0
INSTALLER
b03
Differential in DHW mode
°C
4,0
0÷10,0
INSTALLER
b04
Radiant panels valve communication time
sec
30
0÷600
INSTALLER
b05
Hysteresis cut-off of the compressor in cooling and
heating operation
°C 0.5 0.0÷25.5 INSTALLER
Recommended values included
between 1 and 1.5
Other different values can ensure
the proper operation of the unit
b06
DHW transitory output in heating
sec
45
0÷255
INSTALLER
b07 PI regulator integral time sec
Based on
the model
0÷255 INSTALLER
It is recommended to set 60 sec for
systems with limited water flow, and
180 sec for systems with high water
flow. Other values can ensure the
optimal operation of unit.
b08
Enabling dynamic set
/
0
0÷1
INSTALLER
b09
Max Offset in cooling dynamic set
°C
3.0
-50.0÷80.0
INSTALLER
b10
Max Offset in heating dynamic set
°C
-3.0
-50.0÷80.0
INSTALLER
b11
Outdoor set temperature in cooling dynamic set
°C
25
-127÷127
INSTALLER
b12
Outdoor set temperature in heating dynamic set
°C
15
-127÷127
INSTALLER
b13
ΔT in cooling
°C
-10.0
-50.0÷80.0
INSTALLER
b14
ΔT in heating
°C
10.0
-50.0÷80.0
INSTALLER
b15
Setpoint regulation band from 0-10V analog input
°C
5.0
0.0÷10.0
INSTALLER
b16
Scan time of compressors start-up
sec
60
0÷255
INSTALLER
b19
Minimum duration of the modulating compressor
capacity for grade increase
sec
Based on
the model
0÷255 INSTALLER
b20 Enabling of 0-10V/ratiometric input / 0 0÷1 INSTALLER
0 = 0-10V input
1 = ratiometric input
b22
Thermoregulation Hysteresis cut-off plant sensor
°C
1,5
0.0÷25.5
INSTALLER