Working principle of wall-hung boiler solenoid valve, wall-hung boiler solenoid valve failure symptoms (broken symptoms) and treatment methods

The working principle of the solenoid valve of the wall-mounted boiler is that the solenoid valve forms an arc through discharge to ignite the gas. When the boiler is in standby mode, when the boiler senses a need for heating, the fan starts and starts a 30-second "pre-purge" to form a negative pressure in the combustion chamber and air enters the combustion chamber;the wind pressure difference switch starts, opens the gas solenoid valve, and the gas It enters the combustion chamber and is premixed with air;the circulating water pump starts to work;at the same time, the ignition electrode begins to discharge to form an arc to ignite the gas. After the gas is burned, the flame heats the boiler water in the main heat exchanger for heat exchange, and the circulating water pump sends the hot water out to the Secondary system heat exchange is used for heating or heating. When the wall-mounted boiler is started for heating and the pressure of the heating system is normal, the water pump starts to promote the flow of heating water, turns on the heating water flow switch or the heating system water flow sensor, and outputs the water flow signal (switch signal or pulse signal) to the circuit board, which is connected to After the water flow signal, start the fan for front cleaning (3s~10s). Wall-hung boiler solenoid valve failure symptoms (broken symptoms) and treatment methods will cause the wall-hung boiler to be unable to heat and cause the equipment to make noise during operation. If the solenoid valve is broken and needs to be replaced with a new one, you can contact after-sales service for installation. Do not disassemble the equipment and install it without permission. If you have no maintenance experience, it will cause further damage to the equipment. Precautions for using the equipment: 1. When installing the wall-mounted boiler, there must be a certain distance from the wall to prevent the water pipe of the equipment from being unable to be installed. 2. The wall-mounted boiler cannot heat. It may be that the water inlet pipe is damaged, causing the equipment to have no water, so it cannot be heated and needs to be repaired before it can be used. 3. The socket of the wall-mounted boiler should be equipped with a leakage protection device to avoid accidents. 4. The gas wall-mounted boiler cannot heat. It may be that the ignition device is out of power and the battery needs to be replaced. You need to use AA alkaline batteries. Do not mix old and new batteries. Do not mix batteries of different brands to avoid affecting the use experience. Data expansion: When the ignition switch of the wall-mounted boiler enters the working state, the fan starts first to form a negative pressure difference in the combustion chamber. The air pressure switch sends the command to the water pump. After the water pump starts, the water flow switch sends the command to the high-voltage discharger. After it is started, The command is sent to the gas proportional valve, and the gas proportional valve starts to start. Question: Can the solenoid valve of the wall-mounted boiler still be used if it is broken? Answer: No. If the solenoid valve of the wall-mounted boiler fails, then the domestic hot water and heating functions cannot be switched normally during the heating state. Therefore, it is recommended to find a professional after-sales service to inspect and repair the valve, replace the solenoid valve or perform other treatments. The main function of the solenoid valve is to switch between the domestic hot water and heating work of the wall-mounted boiler in the heating mode. The solenoid valve is generally located at the connection between the heat exchanger and the heating water pipe inside the wall-mounted boiler. When in heating mode, if domestic hot water is used, the electromagnetic three-way valve of the wall-mounted boiler will automatically switch, and domestic hot water can be used normally. Reasons why the wall-hung boiler does not ignite: 1. The gas valve is not opened. If the gas valve is not opened or the gas self-closing valve is closed, the wall-hung boiler cannot supply gas normally, and naturally it cannot ignite, and the gas pressure value is too low. Can't light a fire either. Solution to the reason why the wall-hung boiler does not ignite: Open the gas valve and the gas self-closing valve to allow gas to pass from the pipe to the igniter. If the gas pressure is low and cannot be solved personally, you need to contact the gas supplier to solve the pipe pressure problem. Reasons why the wall-hung boiler does not ignite: 2. The gas proportional valve is faulty. The gas proportional valve is a part that mixes gas and air in proportion. Its function is to adjust the power of the Yima wall-hung boiler according to the amount of heat required. If this is damaged It will also result in failure to ignite. Solution to the reason why the wall-hung boiler does not ignite: Just purchase a gas proportional valve of the same specifications and replace it. The above is the working principle of the solenoid valve of the wall-mounted boiler, the failure symptoms of the solenoid valve of the wall-mounted boiler (broken symptoms) and the treatment methods. If you want to know more relevant information, please log in to www.diancifa.cc to view the information.