1
5
2
4
3
Boiler Protection
P3
DHW
P4
84°C
61°C
1
2
CH
Target = 85°C
Radiator icon
: indicates that a
central heating call has been re-
ceived. A small number 1 or 2 in-
dicates which CH calls are active.
Tap icon
: indicates that a DHW call
has been received.
Circulator icons
: indicate which circu-
lators are currently powered.
Status line
: displays the current oper-
ating state of the boiler. See “Status
Messages” on page 7.
Basic information
. The user can
toggle the items using the LEFT
and RIGHT keys and view target,
Supply, Return, Domestic, Out-
door and System temperatures.
The boiler type is indicated at the top of the screen. The type and model
are factory preset*.
The boiler is represented in the centre of the Home Screen. Basic operat-
ing information such as supply and return temperatures are displayed as
well as current burner status.
A flame symbol is displayed when the
unit is fired. The flame size changes
to indicate the current firing rate.
* For boilers manufactured after May 2016.
PRESTIGE 42-50-75-100-120 Solo : A1007856 - 664Y6200 • G
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USER’S GUIDE
CONTROL PANEL AND DISPLAY
Panel Description
1. Pressure gauge
- Indicates the primary circuit pressure (min. 1 bar when cold).
2. ACVMAX LCD Display
- It is the setup interface of the boiler and indicates the parameter
values, the error codes and the set-up status of the parameters. It displays a series of screens,
each showing information and/or icons. The main icons are detailed below.
3. Installer button
- Allows the installer to access the menus of the ACVMAX controller to set up
the system.
4. Arrow keys and OK key
- to browse through the screens of the ACVMAX controller, set up
the boiler, increase and decrease the displayed values and validate the selections and access
the Easy set-up screens. The OK key is also used to reset the boiler after a locking (follow the
instructions on the screen).
5. ON/OFF master switch of the boiler
- To turn the appliance ON and OFF.
Main settings of ACVMAX Display
•
Screen backlight
- it will illuminate when any button is depressed, and remain illuminated for
five minutes.
•
Screen contrast
- it can be adjusted at the Home screen by pressing and holding the OK button,
then pressing and holding the LEFT button along with the OK button. Press the UP and DOWN
button to increase or decrease the contrast while holding the OK and LEFT buttons depressed.
All buttons must be released and the procedure performed again to switch between increasing
and decreasing contrast.
Typical items appearing on the Home screen:
Main Icons of ACVMAX display
Central Heating
- indicates information related to the CH circuit.
DHW
- indicates information related to the Domestic Hot Water circuit.
Home
- to go back to the main menu screen.
Back
- to go back to the previous screen.
Warm weather shutdown
- displays on the home screen when the outdoor temperature
reaches the Warm Weather Shutdown preset temperature.
Reset
- to reset the system to the factory settings.
Parameters
- to access to the setup of controller parameters (language, units, etc.).
Easy setup
- Indicates parameters that can be accessed through the EZ setup.
CH/DHW operation
- To enable/disable the concerned circuit.
Information
- To get information on the boiler.
