Interface circuit for adding solar heat to a building heating an

Details Interface circuit for adding solar heat to a building heating an Interface circuit for adding solar heat to a building heating an

1979-07-05

1980-11-04

Yeung, James C.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

126427, 126428, 126432, 165 29, 236 91D, 236 91F, 237 2B, F24J 302, G05D 2300

Patent

active

042313520

ABSTRACT:
An interface circuit for adding a solar heat system to a building having a building heating and cooling system and having a building thermostat system, the interface circuit being especially wired to be compatibly interposed between the building thermostat system and the building heating and cooling system without rewiring the latter and being also connected to the solar heat system, the interface circuit thereby adding the solar system as a heat source, and the interface circuit automatically substituting the solar source for the building heating system when heat is called for at a level within the capability of the solar system to supply.

REFERENCES:
patent: 3028093 (1962-04-01), Miller
patent: 3977601 (1976-08-01), Bearzi
patent: 4034738 (1977-07-01), Barber
patent: 4034912 (1977-07-01), Hayes
patent: 4052000 (1977-10-01), Honikman
patent: 4179894 (1979-12-01), Hughes
patent: 4190199 (1980-02-01), Cawley

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