1
3
2
Boiler Protection
P3
DHW
P4
84°C
61°C
1
2
CH
Target = 85°C
Radiator icon
: indicates that a cen-
tral heating call has been received. A
small number 1 or 2 indicates which
CH calls are active
Tap icon
: indicates that a DHW call
has been received.
Circulator icons
: indicate which
circulators are currently powered.
Basic information
. The user can
toggle the items using the
LEFT
and
RIGHT
keys and view target, Supply,
Return, Domestic, Outdoor and System
temperatures.
Status line
: displays the current op-
erating state of the boiler. See “List of
Status Line Messages” on page 63.
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5
System Control - ACVMax: 660Y2800 • C
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APPLIANCE DESCRIPTION AND OPERATION
ACVMAX OPERATING INFORMATION
The ACVMax system control is designed to be flexible yet easy to use. It monitors and controls the
boiler to operate as efficiently as possible. ACVMax monitors the boiler supply, return and flue gas
temperatures and operates the igniter, gas valve and blower. It uses this information to modulate the
boiler’s firing rate to maintain the required setpoint. ACVMax offers many advanced control options,
which may be adjusted for various applications to achieve optimum boiler efficiency and operation.
•
Two central / space heating (CH) call inputs with separate outdoor curves.
•
A Domestic Hot Water (DHW) call input with optional priority.
•
System temperature sensing and control with an optional system temperature sensor.
•
A cascade function. It allows up to four Prestige Solo boilers (2 pumps) to operate together in a single
heating system
.
•
A Modbus interface for integrating with building management systems.
These advanced features are adjustable in the Installer Menu after entering an access code. Refer to
"Installer Code" on page 5 for more details
CONTROL PANEL DESCRIPTION
1.
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 hereafter.
2.
Installer button
- Allows the installer to access the menus of the ACVMax controller to set up the
system.
3.
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 blocking (following the instructions on the 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.
Pump
- indicates a pump is operating.
For more information on how to use the ACVMax control panel, please refer to the appliance
Installation, Operation and Maintenance Instructions provided with the appliance.
HOME PAGE DESCRIPTION
INSTALLER CODE
Through the use of the specific code «54», the installer can access various setup screens, in order to
define a large set of parameters and adapt the operation of the ACVMax to the system configuration.
To navigate on the screen, use the UP, DOWN, LEFT and RIGHT keys,
OK
then the OK key to validate
a selection. To increase/decrease values, use the UP and DOWN
keys. or
LEFT
and
RIGHT
,
according to the situation
General remarks
•
Entering the installer access code allows the installer to make adjustments for 30
minutes. After 30 minutes, the access code will need to be entered again to make any
adjustments.
•
If the end user misuses the installer code to access installer-specific parameters and
makes changes that cause a system failure, any warranty claim will be void.
