Type C thermal unit (hermetically sealed condensation heat generator) with: - STAINLESS steel primary EXCHANGER with INCREASED WATER DUCTS; -forced air burner with total premixing with very low NOx and CO emissions; - "BRUSHELESS" low absorption electric fan.
S.A.E.C. (Smart Adaptive Efficiency Control) system that optimises combustion and increases efficiency in any condition.
GAS ADAPTIVE function that allows operation with different types of gas without the need to change nozzles.
Modulation: 1:10.
RANGE RATED certified.
Class 5 NOx according to UNI EN 483.
Protection rating IPX5D.
Cover with internal soundproofing ensuring a very high ACOUSTIC COMFORT in the environment. "SMART" user interface: - 6 specific function buttons for a quick temperature SET setting; - 5-DIGIT and 9-SYMBOL LCD with BACKLIGHT system; - Backlit display through the white "BACKLIGHT"; - OPERATION and LOCKOUT status display; - Alarm reset with DEDICATED BUTTON.
Advanced electronics with 16-bit Microcontroller and 128kB Flash memory.
Serial connection for Opentherm or Ambient Thermostat (AT) function.
Connection for second ambient thermostat (AT2) for multi-zone systems with different temperature.
Connection for 2-relay multi-function board: - management of external solenoid valve for system filling; - management of ON/OFF (AT) area valve; - management of external booster circulation pump; - boiler operation remote signalling; - failure remote signalling.
Accessory compatibility (remote / system management).
Serial connection to acquire data in diagnostics or to reprogramme the microprocessor (SERVICE).
Scrolling temperature operation (with climate probe inserted).
The built-in hydraulic unit includes: three-way bypass valve with electric servomotor for heating/domestic water switching and built-in bypass;
STAINLESS steel compact exchanger with brazed plates for DHW production.
Modulating electronic high efficiency circulation pump controlled through PWM signal and equipped with air separation chamber and automatic air bleed valve.