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KON B - Gas Condensing Boilers With Built-in Tank
Wall hung, Low NOx, modulating and condensing gas boiler with totally premixed burner – room sealed type – electronic ignition – with D.H.W. production. through a 60 litres, stainless steel, “superfast” storage tank – Isolation degree IPX4D
Output: 28 kW
- Heat exchanger – Condenser in aluminium / silicon / magnesium
- Totally premixed burner with constant combustion ratio, with electro-pneumatic gas valve and modulating fan
- “Superfast†60 litre storage tank in stainless steel, with diffuser system for the maximum efficiency, inspectable, with magnesium anode
- Integral hydraulic group composed from: – Modulating pump: for heating and DHW priority (storage tank loading) with system anti-jamming, endowed with integral automatic vent – Three way electric diverting valve for priority to the storage tank – Automatic differential bypass
- Modulation ratio 1:6,3
- Electronic panel board that can be translated in vertical to facilitate the electrical connections and the maintenance
- Inlet of on-off / modulating thermostat and external temperature sensor Ignition and ionization though just one electrode
- High efficiency pump, modulating according to the requested output, managed by the electronic
- PCB and conforming to the Erp Directive of 2015
- Safety valve 3 bar
- Safety limit thermostat
- Flow temperature sensor
- Return temperature sensor
- D.H.W. temperature sensor (in the storage tank)
- C.H. expansion vessel of 10 litres
- D.H.W. expansion vessel of 3 litres.
- Management of 2 zones: High / Low temperature with different priority
- Pump anti-jamming
- Post-circulation of the pump
- Anti-legionella disease
- Anti-fast function
- Special services for adjustment and calibration according to the rules in force
- Adjustment of maximum output in heating mode operation
- Visualization of the lockout for lack of flame and diagnostics with alphanumeric signalling of the anomalies through wide, multifunction, back-lighted
- LCD display (power save)
- Heating temperature adjustment: 30 – 85°C
- D.H.W. temperature adjustment: 25 – 65°C
- Antifreeze protection electronic device
- Siphon for condensate evacuation
