User guide
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8-MENU ITEMS AND OPERATION8-MENU ITEMS AND OPERATION
Technical Dept. - All rights reserved - Reproduction is prohibited
OPERATING MODE
The operating mode for hydro boilers is AUTOMATIC only (manual mode is not envisioned). Flame modulation is managed according to
the “System conguration” of the room probe placed on the rear of the appliance (see drawing), by the external thermostat, by the boiler
water temperature or by the NTC probes.
ELECTRICAL CONNECTION
TERMINAL BLOCK CONTACTS
POS.1-2 EXTERNAL THERMOSTAT/THERMOSTAT PUFFER POS.8 THREE-WAY VALVE NEUTRAL
POS.3-4 PUFFER/BOILER PROBE POS.9 THREE-WAY VALVE NEUTRAL (domestic)
POS.5 EARTHING POS.10 THREE-WAY VALVE NEUTRAL (heating)
POS.6 - 7 ADDITIONAL BOILER