Air conditioning control system with local and remote control ca

Details Air conditioning control system with local and remote control ca Air conditioning control system with local and remote control ca

1980-08-21

1981-09-08

Wayner, William E.

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

Remotely controlled inspection means

236 51, 236 94, 307155, 340147CN, G05D 2300, H04Q 902

Patent

active

042879396

ABSTRACT:
A versatile yet low cost mode selection control system for an air conditioning unit such as a combination heating and cooling unit having a plurality of operational modes, and which control system is capable of responding both to a relatively local mode selection unit and a relatively remote mode selection unit. Both the relatively local mode selection unit and the relatively remote mode selection unit can exercise independent control over the mode selection, not necessarily limited to mere on/off control, and either may override a selection made at the other at any time. Electronic momentary push button and holding circuitry is employed electronically provide a function similar to that of the prior art mechanical push button configuration wherein only one push button can be actuated at a time, with actuation of any one push button deactuating all others.

REFERENCES:
patent: 3306348 (1967-02-01), Tucker
patent: 3441809 (1969-02-01), Newland
patent: 3466505 (1969-09-01), Anderson
patent: 3469151 (1969-09-01), Newland
patent: 3585595 (1971-06-01), Slavin et al.
patent: 3629614 (1971-12-01), Matthews
patent: 3931481 (1976-01-01), Jackson
patent: 4077566 (1978-03-01), Bradford
patent: 4121204 (1978-10-01), Welch et al.
patent: 4137463 (1979-01-01), Scott et al.

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