Whole course cold air preventing control method for variable frequency air conditioner

• Main Authors: YAN JINGXU, YING BIYE
• Format: Patent
• Language: Chinese; English
• Published: 15.09.2017
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

The invention discloses a whole course cold air preventing control method for a variable frequency air conditioner. The whole course cold air preventing control method for the variable frequency air conditioner is characterized by comprising the following steps: (1) starting in a heating mode, entering a starting cold air preventing function, controlling air speed and when to quit the starting cold air preventing function of an indoor fan through an indoor machine mainboard in an indoor unit electric control box; (2) after the starting cold air preventing function is quitted, controlling the indoor fan to operate at a set air speed of a remote controller by the indoor machine mainboard, and controlling whether the cold air preventing function in the heating operation of the variable frequency air conditioner is effective or not and the air speed of the indoor fan according an indoor ambient temperature TA, a coil pipe temperature TE and a remote controller set temperature TS; when the cold air preventing func