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12-MENU ENTRIES AND OPERATION
ELECTRICAL CONNECTIONS
TERMINAL BLOCK CONTACTS
POS.1-2 EXTERNAL THERMOSTAT/PUFFER THERMOSTAT
POS.3-4 PUFFER/BOILER PROBE
POS.5 EARTHING
POS.6-7 AUXILIARY BOILER
START-UP
Press key 1 (OFF) for a few seconds to start up the appliance. The display will show ON with the flashing flame symbol. When the flame
stops blinking, the boiler has reached the operating condition for "supplying power".
The default target room temperature is set at 20°C. To change this setting, follow the instructions in the TEMPERATURE SETPOINT
adjustments menu; do the same to set the heating water temperature and the speed of the ventilation fan. To activate an external
thermostat, if present, see the dedicated paragraph.
POWER SUPPLY
When start-up is complete, the panel with show ON with a constant flame at level 3
power is then controlled autonomously on the basis of the temperatures set in the "System configuration."
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POS.8 NEUTRAL THREE-WAY VALVE (*)
POS.9 THREE-WAY VALVE PHASE (sanitary) (*)
POS.10 THREE-WAY VALVE PHASE (heating) (*)
(*) DISCONNECT THE INTERNAL THREE-WAY VALVE AND
FLOW SWITCH (IF PRESENT)
. The modulation of the flame for higher or lower
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