!DEA

Wall hung gas boiler for heating only or for heating and D.H.W. production, natural draught or room sealed version, with electronic ignition

Output range: from 23 to 32 kW

• 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

Options:
- Hydraulic and gas connections cover
- D.H.W. production kit for heating only boilers