G - Physics – 05 – D
Patent
G - Physics
05
D
G05D 23/19 (2006.01) F24F 11/00 (2006.01) F24F 11/02 (2006.01) F24H 9/20 (2006.01)
Patent
CA 2116663
An interactive electronic thermostat incorporates a safety backup system to automatically activate the HVAC system in the event that normal operation of the thermostat is interrupted and the temperature in the conditioned area falls or rises beyond a predetermined range. The thermostat operates to communicate with an installer through an audible or visual display and keypad to instruct the installer to perform tasks and enter observations to effect proper connections at the thermostat of HVAC system wires even in the absence of labels identifying the functions of those wires. The thermostat requires entry of coded indicia representing operator-observed conditions in the system in response to displayed instructions carried out by the operator.
Berkeley Arnold D.
Bernstein Alec
Carney Daniel C.
Jefferson Donald E.
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