KON x

Extra-thin wall hung, room sealed, Low NOx, condensing gas boiler, with DHW production, for indoor / outdoor installation (IPX5D), with total premix burner and continuous modulation with electronic ignition
Output range: from 24 to 35 kW

• Outer casing completely in stainless steel AISI 304
• Exchanger / Condenser in aluminum / silicon / magnesium
• Ignition and flame electronic control through single electrode
• Modulation ratio 1:8
• Total premix burner with constant combustion ratio, completely electronic (both gas valve and modulating fan)
• Outer casing completely in stainless steel AISI 304
• Automatic Feed-back of the combustion through the electrode (that monitors constantly the quality of the combustion)
• Adjustment of output according to heating request
• HWS “Hot Water Speed”: commutation from heating to DHW mode without stopping the pump
• DHW heat exchanger in antiscaling stainless steel, with 12 plates (x 24 kW) and 14 plates (x 35 kW), with “thermal length” optimized for the condensation
• Management of 2 zones: high / low temperature, with differentiated priority
• Clever hydraulic filling of the C.H. system (able to indicate possible leakages)
• Electronic antifreeze function from 5°C
• Pump over-run function
• Safety limit thermostat
• Flow temperature sensor
• Return temperature sensor
• DHW temperature sensor
• High efficiency pump, complying with the Erp Directive 2015, modulating according to the output request, managed by the on board electronics
• Two expansion vessels (10 liters total)
• Automatic airvent
• Minimum pressure switch against the lack of water
• Pressure safety valve set at 3 bar
• Remote OT+ panel board with external and room temperature sensors
• Connection for diagnostics and programming through computer or portable programmer
• Inspection system of the burner and heat exchanger cleaning through quick release clampings
• Paper template for the predisposition of hydraulic connections
• Screw anchors for fixing
• Siphon for condensate drain