Sealed gas heater with forced draft and regulation by microproce

Details Sealed gas heater with forced draft and regulation by microproce Sealed gas heater with forced draft and regulation by microproce

1982-08-13

1985-05-28

Bennett, Henry

Heating systems

Automatic control

Combined radiator and boiler

431 12, 236 15BD, 236 14, 364505, F24H 306

Patent

active

045195404

ABSTRACT:
The invention concerns a control device for gas boilers. The overall functions involving control and safety are ensured by a control box (26) with microprocessor which centralizes data collected from the ambient thermostat (27), the temperature sensor (28) on the duct (21) for heating water return, the air output sensor (19), the drawing contact (31), the extraction fan (6) speed sensor (30), and the lighter (24), and it converts them into digital signals that are made to operate the lighter, the circulation pump (19), the gas inlet electrovalve (12) and the extraction fan according to the control data that the microprocessor has memorized. Application for forced draft steamtight gas boilers.

REFERENCES:
patent: 4375950 (1983-03-01), Durley, III

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