Temperature control system using a single ramp rate curve for co

Details Temperature control system using a single ramp rate curve for co Temperature control system using a single ramp rate curve for co

1987-05-07

1987-10-27

Wayner, William E.

Automatic temperature and humidity regulation

With timing element

Timer other than clock

165 29, F25B 2900

Patent

active

047024135

ABSTRACT:
A temperature control system for a multiplant environmental unit such as a heat pump with auxiliary heat is disclosed. The control system utilizes a thermostat having a microprocessor and memory that allows for energy savings through setback functions. The setback functions return the temperature control from a setback temperature to a normal comfort temperature along a ramped rate that is modified from day to day. The purpose of this variable ramp is to minimize the operation of the auxliary heat and maximize shell savings (by starting as late as possible). This is basically accomplished by locking the heat pump on in certain cases.

REFERENCES:
patent: 4172555 (1979-10-01), Levine
patent: 4334576 (1982-06-01), Fuchek
patent: 4387763 (1983-06-01), Benton
patent: 4442972 (1984-04-01), Sahay et al.
patent: 4655279 (1987-04-01), Harmon, Jr.
patent: 4674027 (1987-06-01), Beckey

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