Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent
1979-05-07
1981-06-09
Davis, Albert W.
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
Remotely controlled inspection means
165 26, 165 27, 62176E, 62186, 236 44C, 236DIG9, F25B 2900
Patent
active
042718988
ABSTRACT:
A control circuit for a typical home heating and cooling system, including means to control relative humidity, is shown. The control circuit includes a standard 24 volt transformer in conjunction with a thermostat selector switch and a fan selector switch. As is common in many heating and cooling systems, a multiple speed blower is included with the higher speed being used during the cooling cycle. In addition to the standard relay for normal operation of the multiple speed blower motor in the typical home heating and cooling system, the control circuit includes an economizer control relay which activates when the thermostat selector switch is in the cool position and the fan selector switch is ON to cause the blower motor to run at a high speed while the compressor is running and at a low speed while the compressor is not running. The relative humidity control means makes the central air conditioning control system responsive to relative humidity (RH) as well as temperature, thereby maintaining an acceptable nighttime "Comfort Index" while reducing energy usage by the air conditioning system as much as thirty-five percent.
REFERENCES:
patent: 3070972 (1963-01-01), Atchison
patent: 3454078 (1969-07-01), Elwart
patent: 3785433 (1974-01-01), Ballard
patent: 3877243 (1975-04-01), Kramer
patent: 3989097 (1976-11-01), Schildknecht
patent: 4210278 (1980-07-01), Obler
Davis Albert W.
Focarino Margaret A.
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