HAVC control system and method

HAVC control system and method

A system and method is provided for activating and deactivating heating or cooling stages of an HVAC unit, which includes determining a need for heating or cooling a space to be heated or cooled and activating a heating or cooling stage of the HVAC unit based on the determined need. A monitored temp...

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Hauptverfasser: SMITH SAMUEL, CAMPBELL TIMOTHY D, WALLACE JOHN, MORROW DENNIS R
Format: Patent
Sprache:eng
Schlagworte:
AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
RANGES
VENTILATING
WEAPONS
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creator SMITH SAMUEL
CAMPBELL TIMOTHY D
WALLACE JOHN
MORROW DENNIS R
description A system and method is provided for activating and deactivating heating or cooling stages of an HVAC unit, which includes determining a need for heating or cooling a space to be heated or cooled and activating a heating or cooling stage of the HVAC unit based on the determined need. A monitored temperature is compared with a first temperature setpoint and a monitored on-time of the heating or cooling stage is compared with a first time period setpoint. The heating or cooling stage is deactivated based on the comparison of the monitored temperature with the first temperature setpoint, when the monitored on-time is greater than the first time period setpoint. The monitored temperature is then compared with a second temperature setpoint. The heating or cooling stage is reactivated based on a comparison of the monitored temperature with the second temperature setpoint, when a monitored off-time is greater than the second time period setpoint.
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subjects AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
RANGES
VENTILATING
WEAPONS
title HAVC control system and method
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