F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
341/27
F25B 29/00 (2006.01) F24D 19/10 (2006.01) G05D 23/19 (2006.01)
Patent
CA 1288146
ABSTRACT OF THE DISCLOSURE 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 auxiliary heat and maximize shell savings (by starting as late as possible). This is basically accomplished by locking the heat pump on in certain cases.
564110
Beckey Thomas J.
Kallas Kerry M.
Uhrich Daniel T.
Honeywell Inc.
Smart & Biggar
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