Installation Manual - Unical Lattner Condensing Hot Water Boilers

Technical features and dimensions2TECHNICAL FEATURESAND DIMENSIONS2.1 - TECHNICAL FEATURESThe ALKON 50 and ALKON 70 boilers are a thermals gas firedunits with an atmospheric fully pre-mixed burner.They are supplied only in heating version.These boilers have an input head power of:176,000 Btu or 227,500 Btu (51,58 or 66,67 kW), These boilersare designed for use on 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;• Fully premixed burner working at constant CO2;• Electronic ignition;• Safety high limit thermostat;• Flow temperature sensor;• Return temperature sensor;• Automatic air vent;• Drain condensate siphon• Control panel with electrical protection;• eBUS device;• CH temperature selector switch: 86 ÷176 °F (30 ÷ 80°C);• Flame modulation in function of the absorbed power;• Pump overrun function;• Additional functions : diagnostics of operation parametersand troubles, antifreeze, technical functions and digital indicationof failures.• Constant combustion ratio• Self adapting output depending on the length of flue ducts• Pump (only ALKON 70)• Smoke pressure switchOPTIONAL KITS:• Kit of manifold for additional safety devices• Krömschröder controller E8/Expansion modules andmodulating thermostats(case for wall mounting)• Mixing bottle Kit• Chimney for single, battery or cascade mounting• Supporting frames• Kit of blind flanges and hydraulic manifolds• On-Off pump for ALKON 50.2.2 - DIMENSIONS10.5’’(266 mm)24.2’’(615 mm)VIEW FROM ABOVE16.9’’(430mm)4.2’’ 3.1’’(107 mm) (78 mm)4.9’’(125 mm)AS7.0’’(179 mm)10.5’’(266 mm)VIEW FROM BELOW36.6’’(930 mm)7,1’’(180mm)5,3’’(135mm)SVR M GScScf3,1’’(78mm)3,3’’ 4,3’’ 4,3’’ 5,2’’ 3,9’’ 3,1’’(85 mm) (110 mm) (110 mm) (132 mm) (100 mm) (78 mm)RMGScCH system return 1 ¼’’CH flow system 1 ¼’’Gas Inlet Ø ¾’’Outlet condensate drain siphon (from aluminium body)ScfSVASOutlet condensate drain siphon (from the flue pipe)Safety valve outletAir intakeFlue Outlet8