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Operation with optional external probe
In the case of a system with an external probe, the boiler flow temperature for central heating is managed by the external probe depending
on the external temperature measured (Par. 1.11). The flow temperature can be modified by selecting the functioning curve via the but-
tons (or on the CAR
control panel, if connected to the boiler) selecting a value from "0 to 9".
V2
With external probe present, the relative symbol
"Stand-by" Mode
Press button "
" repeatedly until the symbol (
anti-block and 3-way function and signalling of any anomalies are guaranteed.
OFF mode
By holding the
button down for 8 seconds, the display switches-off and the boiler is off completely.
The safety functions are not guaranteed in this mode.
In "Stand-by" and "Off" mode, the appliance is to be considered still live. In "Off" mode, a lit
"dot" is displayed in the centre of the display.
Display operation
The display lights up while the control panel is being used; after a set inactivity period, the brightness decreases. The lighting mode can be
varied via parameter "t8" in the P.C.B. programming menu.
(optional).
will appear on the display. (12, Fig. 52).
) appears. The boiler remains off from this moment, though the antifreeze, pump
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