105
INSTALLER
USERMAINTENANCE TECHNICIAN
TECHNICAL DATA
List of A family parameters.
To enter in the parameters of the family A, press "MODE" with A on the display. "A." will appear.
Press "INFO" to scroll the submenus of the A family.
Id
Parameter
Parameter Description Range Default
Value
customized
A.0
DHW hydraulic
selection
0: Instantaneous
1: Instantaneous with ow rate regulator
2: Storage tank
3: Instantaneous with Aquaceleris
0-3 2
A.1 Not used - - -
A.2
Maximum
pump speed
Denes the maximum operating speed of the pump during
central heating requests (If A1 = A2 pump operating at set
speed)
A.3-9 9
A.3
Minimum
pump speed
Denes the minimum pump operating speed during central
heating requests. It is recommended not to enter values
lower than 6
1-A.2 6
A.4
Circulating
pump mode
Denes the pump operating mode during central heating
requests:
-ΔT=0: proportional head (Parag. 1.32);
-ΔT=5÷25K: ΔT constant (Parag. 1.32).
0-25 15
A.5
DHW ow oset
(storage tank
only)
e temperature value that the board adds to the DHW set
point to determine the cylinder coil ow temperature
0-25 25
A.6
DHW hysteresis
(storage tank
only)
e temperature dierence compared to the set DHW
set-point which determines the activation of the DHW
priority function
0-15 10
A.7 Not used - - -
A.8
System
automatic vent
Enables the automatic vent function.
is function is activated every time the appliance is
powered again
0: disabled
1: enabled
0-1 1
A.9
Pressure sensor /
pressure switch
selection
Selects the system pressure detection mode:
0: Pressure sensor
1: Not used
0-1 0
A.10
System pressure
minimum value
Value below which fault "E10" (insucient system pressure)
is detected, in bar
0.0..1.2 0.4
A.11
Maximum
system pressure
value
Value above which the fault "E146" (System pressure too
high) is detected, in bar
1.5..3.5 3