Unical AG ALKON 70 C

Class A aluminium condensation boiler

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Unical AG

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Class A aluminium condensation boiler



Wall hung, condensing gas boiler, for heating and instantaneous DHW production, Low NOx class 5, also for installation in battery
• Maximum working pressure: 6 bar
• Modulation ratio 1:5 for model 50 kW and 1:7 for model 70 kW
• Total premix burner with constant CO2
• Primary heat exchanger in Al / Si / Mg alloy, entirely irrigated, ultrathin (< 12 cm)
• Electronic ignition
• Safety limit thermostat
• Flow and return temperature sensors
• Automatic airvent
• Siphon on the condensates drain
• Panel board with electric protection IP X4D
• eBUS connection
• Heating temperature adjustment between 30 and 85°C
• Water content 3,9 liters
• Flame modulation according to the absorbed power
• Over-run function
• Additional functions: diagnosis of operational parameters and errors, antifreeze, technical services and digital errors indication
• Minimum water pressure switch with setting at 0,5 bar
• Constant combustion ratio
• Self adapting output according to the flue length
• High efficiency modulating pump (standard supplied only for ALKON 70 C)
• Suitable for installation in battery (max. 2 series of 4 units)
- Kit manifold for additional safety devices
- Kit of additional safety devices
- Kromschröder controller E8 / expansion modules and modulating thermostats (wall mounted boxes)
- Kit of high efficiency modulating pump (optional for ALKON 50 C)
- Kit hydraulic separator (mixing header)
- Single flue ducts or for battery installations
- Supporting frames
- Kit of DHW priority
- Kit of hydraulic manifolds and blind flanges
- Kit of harness for an external DHW tank
- Kit for instantaneous DHW production
- Acidic condensate neutralizers

Further info from manufacturer on ALKON 70 C

Aluminium Light Commercial Boilers Collection by Unical AG
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