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Commercial Heating - Ferroli

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Technical specifications<br />

Econcept 51A<br />

Heat input in central heating operation max. kW 49.8<br />

min. kW 11.2<br />

Heat output in central heating max. kW 48.8<br />

operation (80-60°C) min. kW 11.0<br />

Heat output in central heating max. kW 53.0<br />

operation (50-30°C) min. kW 12.0<br />

Operating pressure max. bar 6.0<br />

min. bar 0.8<br />

Height mm 720<br />

Width mm 630<br />

Depth mm 380<br />

All connections Ø 3 / 4 "<br />

Water circuit content l 10<br />

Max outlet temperature °C 95.0<br />

Index of protection IP X5D<br />

Power supply voltage V/Hz 230/50<br />

Power input W 190<br />

Empty weight kg 124.0<br />

Type of appliance<br />

B23<br />

Efficiency<br />

Efficiency (80-60°C) Pmax % 98.0<br />

Pmin % 98.5<br />

Efficiency (50-30°C) Pmax % 106.4<br />

Pmin % 107.5<br />

Efficiency 30% (30°C) % 109.0<br />

NOx class 5<br />

PUMP ACCESSORY KIT (Code 042034X0)<br />

For the advanced management of an external<br />

hot water cylinder the boiler can be fitted with<br />

a special kit which allows the pump for the hot<br />

water cylinder and the return connection to be<br />

housed directly in the boiler. The electronic<br />

board manages priority of the hot water cylinder,<br />

switched by the cylinder’s control stat. When the<br />

cylinder is satisfied the boiler automatically<br />

returns to heating mode.<br />

TREVERSE FLAME CERAMIC BURNERS<br />

The ECONCEPT 51A modules feature premix<br />

ceramic burners with reverse micro-flame, each<br />

made up of six plates fastened via a special<br />

gasket to a metal frame capable of absorbing<br />

thermal expansion. These burners have very low<br />

polluting emissions, both NOx and CO2.<br />

HEAT EXCHANGERS<br />

The heat exchangers design, build and<br />

materials ensure high efficiency, constant<br />

performances reliability.<br />

CASCADING OPERATION<br />

The ECONCEPT 51A series modules have been<br />

developed for connection in series to make up a<br />

single heat generator that, in steps of 50kW, can<br />

have a total output up to 250kW. Each with<br />

electronic programming to ensure the optimum<br />

operation from 11kW to 250kW.<br />

Control board<br />

Each ECONCEPT 51A is fitted with a user friendly<br />

multi-function display panel, which controls all<br />

basic operations. It will control up to five<br />

combustion units and handles the central heating<br />

pump plus a second pump or diverting selector<br />

valve for the hot water storage cylinder.<br />

5

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