Temperature control circuit of dual air conditioner draught fans

• Main Author: HUANG WENRONG
• Format: Patent
• Language: Chinese; English
• Published: 24.05.2017
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; HEATING; LIGHTING; MECHANICAL ENGINEERING; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; RANGES; REGULATING; VENTILATING; WEAPONS

The invention provides a temperature control circuit of dual air conditioner draught fans. The temperature control circuit comprises a temperature relay FC1, a temperature relay FC2, an intermediate relay KA1, an intermediate relay KA2, an alternating current contactor KM1, an alternating current contactor KM2, a normally-closed reset button SB1, a normally-closed reset button SB3, a normally-open button SB2, a normally-open button SB4 and a change-over switch QS1; the temperature control circuit has the manual control mode and the automatic control mode, during manual control, the two air conditioner draught fans can be manually controlled according to needs, during automatic control, the two air conditioner draught fans can be controlled to coordinately work according to the environment temperature, when the temperature is lower than 10 DEG C, only one air conditioner draught fan is started for temperature rising, and when the temperature is lower than 5 DEG C, the other air conditioner draught fan is also