53
INSTALLER
USERMAINTENANCE TECHNICIAN
TECHNICAL DATA
Winter +
In this mode the boiler works both for producing domestic hot water and for central heating. e temperature of the DHW is always reg-
ulated via buttons , the central heating temperature is regulated via buttons and the relative temperature is shown on the dis-
play by the indicator . In the central heating mode, if the temperature of the water contained in the system is sucient to heat the radi-
ators, the boiler can only function with the activation of the pump.
From this moment the appliance functions automatically. With no demand for heat (central heating or domestic hot water production)
the boiler goes to “standby” function, equivalent to the appliance being powered without presence of ame.
Each time the burner ignites, the relative ame symbol is displayed.
Operation with Comando Amico Remoto (Remote control)
V2
(CAR
V2
) (optional)
If the CAR
V2
is connected, the symbol will appear on the display. e boiler regulation parameters can be set via the CAR
V2
control
panel and the button remains active on the boiler control panel, along with for switch-o (“o” mode only) and the display
where the functioning state is shown.
If the appliance is put into "o" mode, the “ERR>CM” connection error symbol will appear on the CAR
V2
. e CAR
V2
is howev-
er powered constantly so as not to lose memorised programs.
Solar function
is function is automatically activated if the “t3” is more than 0 seconds.
During a withdrawal, as long as the “Solar ignition delay” function is active, the boiler does not switch on; the D.H.W. withdrawal symbol
ashes on the display along with the ashing solar function symbol .
When the “Solar ignition delay” time has elapsed, the boiler switches on.
Operation with optional external probe
(optiona l).
In the case of a system with external probe, the boiler ow temperature for room central heating is managed by the external probe de-
pending on the external temperature measured (Par. 1.11). e ow temperature can be modied by selecting the functioning curve via
buttons (or from the control panel of CAR
V2
, if it is connected to the boiler), selecting a value from “0 to 9”.
With external probe present, the relative symbol
will appear on the display.
“Stand-by” Mode
Press the “Stand-by” button until the
symbol appears; from this moment the boiler remains o. e antifreeze function, pump an-
ti-block function and three-way and signalling of any anomalies is guaranteed.
OFF mode
By holding the
button down for 8 seconds, only the frame of the symbol remains lit on the display and the boiler is o completely.
e safety functions are not guaranteed in this mode.
In “Stand-by” and “O” mode, the appliance is to be considered still live.
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