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10 - MENU ITEMS AND FUNCTION
OPERATING MODE
The operating mode for boilers is always AUTOMATIC (there is no manual operating mode available). The modulation of the flame is
controlled according to the "System configuration" by the room temperature probe located at the back of the appliance (see img.), by the
external thermostat, by the temperature of the water in the boiler or by the NTC probes.
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
Technical Dept. - All rights reserved - Reproduction is prohibited
POS.8 NEUTRAL THREE-WAY VALVE
POS.9 THREE-WAY VALVE PHASE (sanitary)
POS.10 THREE-WAY VALVE PHASE (heating)
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