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717 CINQUECENTO Low NOx [kW 670 ÷ 7.500]

717 CINQUECENTO Low NOx [kW 670 ÷ 7.500]
3Pages

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717 CINQUECENTO Low NOx [kW 670 ÷ 7.500] - 1

The new K type CINQUECENTO series Low NOx burners Class 3 (< 80 mg/kWh)), made in aluminum housing with a backward curved centrifugal impeller is studied and developed to get high performance and efficiency combined with low emissions. In this manner these series can burn the two flues separately. This is possible because these burners are equipped with an independent electric motor for the activation of the oil pump. As a consequence during gas firing, the oil pump motor does not operate and remains off. These burners are equipped with a high performance combustion head, designed to achieve an high irradiating flame when they run on natural gas. Instead, when they run on light oil, they are equipped with a by-pass nozzle which, using a pressure regulator, can reach a modulating ratio of 1:3. Therefore, the burners are provided with an UV photocell to control the flame during the operation. Back-pressure in combustion chamber (mbar)

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717 CINQUECENTO Low NOx [kW 670 ÷ 7.500] - 2

TECHNICAL DETAILS Type Gas connections Noise level Auxiliary electrical Motor electrical Fan motor Pump motor power supply power supply max. kW dBA kW 5.900 230 V 1N AC 50 Hz 400 V 3 AC 50 Hz 15,0 1,5 DN65 - DN80 - DN100 - DN125 < 85 15,0 2,2 DN65 - DN80 - DN100 - DN125 < 85 7.500 230 V 1N AC 50 Hz 400 V 3 AC 50 Hz For the configuration of the gas train, see pages 116-117. Suggested boiler drilling Approximate values Burner flange Approximate values

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717 CINQUECENTO Low NOx [kW 670 ÷ 7.500] - 3

Back-pressure in combustion chamber (mbar) Back-pressure in combustion chamber (mbar) Minimum inlet gas pressure (mbar) Minimum inlet gas pressure (mbar) Attention: the graph shows the value of the gas output (kW) against the corresponding pressure without the combustion chamber back pressure. To know the minimum gas pressure at gas train, in order to get the gas output, it is necessary to add the boiler back pressure to the value read on the curve.

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717 CINQUECENTO Low NOx [kW 670 ÷ 7.500] 3Pages

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717 CINQUECENTO Low NOx [kW 670 ÷ 7.500]
3Pages