Installation Manual - Unical Lattner Condensing Hot Water Boilers

Technical features and dimensions2TECHNICAL FEATURESAND DIMENSIONS2.1 - TECHNICAL FEATURESThe ALKON 90 boiler is a low water content thermal elementabout 2,64 gal (10 l), with a built-in premix gas burner, forheating only.It is mainly used as element for the modular boilers in cascade(max 4 boilers).PECULIAR CHARACTERISTICS:1) modular structure to tall integration.2) mainly for outdoor installation3) prearranged for quick installation ‘’ Plug and Play ‘’ alsoin cascade of up to 4 modules.4) modulation ratio of the single module5) control for every single module, with display anddiagnosticThese boilers have an input head power of:341,000 Btu (99,94 kW), These boilers are designed for useon gas category IV.The ALKON boiler is supplied complete with all the safetyand control devices in accordance with all the currentregulations and its technical and functional features complywith the regulations prescribed by:ANSI Z21.13 / CSA 4.9 - Gas-fired low pressuresteam and hot water boilersDESCRIPTION OF COMPONENTS AND FEATURES• Aluminium heat exchanger/condenser;• Premixed combustion group working at constant air-gasratio• Electronic ignition;• Safety limit thermostat;• Safety high limit thermostat;• Flow temperature sensor;• Return temperature sensor;• Automatic air vent;• Control panel with electrical protection• Flame modulation in function of the absorbed power;• Pump overrun function;• Pump• eBUS connection• E8 regulator (optional)• BCM (optional)• ON/OFF switch• Temperature adjustment in heating mode between86 ÷176 °F (30 and 80°C)• Smoke pressure switchOPTIONAL KITS:• Kit of manifold for additional safety devices• Krömschröder controller E8/Expansion modules andmodulating thermostats• Mixing bottle Kit• Chimney for single, battery or cascade mounting• Kit of blind flanges and hydraulic manifolds.Warningfor Outdoor installation is necessary• Electrical resistor kit for condensatesiphon• Electrical resistor kit on Flow and Returnmanifolds• Kit esternal top.8