75
INSTALLER
USERMAINTENANCE TECHNICIAN
TECHNICAL DATA
Operation with optional external probe (optiona l).
In the case of a system with an external probe, the boiler ow temperature for central heating is managed by the external probe depending
on the external temperature measured (Par. 1.11). e ow temperature can be modied by selecting the functioning curve via the but-
tons
(or on the CAR
V2
control panel, if connected to the boiler) selecting a value from “0 to 9”.
With external probe present, the relative symbol
will appear on the display. (12, Fig. 52).
“Stand-by” Mode
Press button “
” repeatedly until the symbol ( ) appears. e boiler remains o from this moment, though the antifreeze, pump
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-o 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. In “O” mode, a lit
“dot” is displayed in the centre of the display.
Display operation
e display lights up while the control panel is being used; aer a set inactivity period, the brightness decreases. e lighting mode can be
varied via parameter "t8" in the P.C.B. programming menu.
To Next Page
Loading...
