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空调内机蒸发器管温传感器的作用

来源:http://www.jnslshwx.com 日期:2016-11-16 发布人:admin
(1)当CPU检测到蒸发器管道温度低于O℃时(有的机器为-5℃,一般压缩机运转10min左右检测),保护动作。引起该故障的原因常见为蒸发器结霜或温度传感器断路,室内机安装位置通风不畅以及过滤网太脏等。
(1) when the CPU test evaporator pipeline temperature below O degrees Celsius (some machines for -5, the general compressor running around 10min detection), protective action. The cause of the failure of the common evaporator frosting or temperature sensor circuit, the installation position of poor ventilation and dirty filter indoor machine.
(2)制热时防冷风保护。在空调制热状态下,为了防止室内机吹出冷风,开机后CPU就开始检测蒸发器的温度,在温度低于22℃时,室内风扇电机不会工作;当温度大于或等于22"C时,室内风扇吹微风,当管温大于或等于40℃时或压缩机运行2min后,室内风机按设定风速运行。
(2) the protection of cold air during heating. In the air conditioning heating state, in order to prevent the indoor machine to blow cold air, the boot after the CPU began to test the temperature of the evaporator, at a temperature below 22 DEG C, the indoor fan motor will not work; when the temperature is greater than or equal to 22 C, the indoor fan blowing in the breeze, when the temperature is greater than or equal to 40 DEG C or 2min operation after the compressor, the indoor fan and set the speed to run by.
(3)制热运行防过负荷保护。当CPU连续4s检测到蒸发器管温大于等于56℃时,室外风机停止运转,当检测到管温小于等于52℃时,室外风机恢复运行。
(3) heat protection and overload protection. When the CPU continuous 4S detects the evaporator tube temperature is greater than or equal to 56, the outdoor air blower stops running, when the temperature of the pipe is less than or equal to 52.
(4)制冷剂不足检测。当压缩机连续运行10min后,检测管温与室内环境温差小于等于4℃时,判断为制冷剂不足,显示故障代码并进入永久停机保护,要解除保护状态需要断电然后重新启动。
(4) lack of refrigerant detection. When the compressor after 10min of continuous operation, test tube temperature and indoor environment temperature is less than or equal to 4 DEG C, judge for the lack of refrigerant, the fault code and enter the permanent shutdown protection, protection of state power to lift and then restart.

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