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现在社会家庭普遍采用壁挂炉进行采暖，壁挂炉已经成为了人们生活中不可或缺的一部分，通常我们在洗浴时最好是要恒温水，水过热容易烫伤人，过凉人体就容易感冒，那么壁挂炉出现忽冷忽热是怎么回事呢？
1、最好将壁挂炉上的温控旋钮选在合适的温度，然后在混水龙头处尽量不再做过多的混水，这样锅炉便可安稳的进行作业了，热水温度也能够变得安稳。
The boiler thermostat knob on the best options at the right temperature, then place in a mixing faucet try not to do too much mixing with water, so that the boiler can be a stable job, the water temperature can become stable.
2、壁挂炉内部的焚烧电极和火焰感应电极积碳严重。这种情况大多数是由于壁挂炉缺少养护形成的，此刻需求用户联络厂家的售后服务中心对壁挂炉进行专业的整理养护作业。
Internal boiler burning flame sensing electrode and electrode coke serious. Most of this situation is due to the lack of conservation of the formation of the boiler, at the moment the user needs to contact the manufacturer's service center for professional finishing on boiler maintenance work.
3、用户在运用清洗热水时对混水龙头进行调理，混入的凉水过多，当冷水流量过大的时候，壁挂炉会自行调理，情况严重者，就会出现火焰忽大忽小，热水忽冷忽热。也有可能是锅炉智能温控体系出现了疑问。
Users in the use of hot water mixed with cleaning faucet conditioning, too much cold water mixed when excessive flow of cold water when the boiler itself conditioning, the situation is serious, there will be a flame suddenly suddenly small, hot or cold suddenly hot. There may be a smart thermostat boiler system appeared in doubt.
4、当壁挂炉水压过低、系统功率会增大，壁挂炉控制系统带有超温保护功能，壁挂炉就会自动保护停机，当水温降下来时，又会自动启动，频繁的开机、关机。由于壁挂炉水压低，燃烧时会产生一个热过冲，实际温度≥设定温度15℃，系统停止加热，当再次检测到实际温度≤设定温度-1℃时，壁挂炉重新加热，由于重新加热还会有加热延时，所以就会产生忽冷忽热的现象。
When the boiler water pressure is too low, the system will increase the power, boiler control system with over-temperature protection, the protection of the boiler will automatically shut down when the water temperature down, will start automatically, frequent power shutdown. As the boiler water pressure will produce a thermal combustion overshoot the actual temperature set temperature ≥ 15 ℃, the system stops heating when the actual temperature is detected again ≤ set temperature -1 ℃, re-heating boiler, due to re-there will be a delay heating heating, hot and cold so it will produce the phenomenon.
5、如果在壁挂炉安装时，将生活热水出水口和壁挂炉设计的距离较远，比如锅炉放在阳台处，从系统开始工作到恒定温度这段时间较长，关闭机器以后，再重新开机，开始的那一段水是热水，中间会有一段冷水，然后再出热水，这时人的感觉就是忽冷忽热的。
If, when the boiler installation, the distance between the outlet and the domestic hot water boiler design far, such as the boiler on the balcony and start working from the system to a constant temperature longer period of time, turn off the machine after re-boot, that was the beginning of a period of hot water, in the middle there will be a cold, then hot water, then the person is feeling hot and cold.
