HVAC control using different access levels

Details HVAC control using different access levels HVAC control using different access levels

2006-02-21

2006-02-21

Picard, Leo (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Mechanical control system

C700S278000, C236S09100C, C236S003000, C236S09100C

Reexamination Certificate

active

07003378

ABSTRACT:
Systems and methods are described for a HVAC control system. A method, includes regulating user access to an interactive user interface of a programmable thermostat, each user identified by a personal identification number associated with a user type such as, for example, building owners, maintenance personnel, building tenants, and manufacturers.

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“ET-4 Installation and Operation Instructions” http://www.enertel.com/manual4.html.

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