Wall hung gas boiler for heating only or for heating and D.H.W. production, natural draught or room sealed version, with electronic ignition
Mono thermal or bi-thermal heat exchanger
Just one electrode for ignition and flame detection
Continuous and proportional gas modulation through microprocessor, both in heating and D.H.W. production mode
Anti-frost protection on the heating primary circuit on two levels: activation of internal heating and safety lockout with signalling in case of gas lack
Pump anti-jamming timer in case of long inactivity period
Heating adjustment range 45 - 78 °C
D.H.W. adjustment range 35 - 57 °C
Two NTC sensors for temperature control and D.H.W. priority
Limit thermostat
Circulating pump with built-in automatic air vent
Visualization of burner lockout for lack of gas and faulty diagnostics with alphanumeric indication on wide multifunction, back-lighted LCD display
Completely metallic casing, epoxy-polyester powder painted and insulated with 8 mm thick thermo-reflecting thermo-acoustic material
Easy maintenance via frontward rotating panel and frontal access.
Isolating protection degree IPX5D (IPX4D for AC - natural draught version)
Manometer
Automatic differential bypass
C.H. 6 litres expansion vessel
Safety valve adjusted at 3 bar
Minimum water pressure switch
D.H.W. priority flow switch with filter
Electrical connections for on/off or modulating room thermostat and outer temperature sensor
- Hydraulic and gas connections cover
- D.H.W. production kit for heating only boilers