2. (solenoid valve)The solenoid valve shall ensure normal operation within the fluctuation range of 15% - 10% of the rated voltage;
3. (solenoid valve)After the solenoid valve is installed, there shall be no reverse differential pressure in the pipeline. It needs to be powered on for several times to make it suitable for temperature before it can be officially put into use;
4. The pipeline shall be thoroughly cleaned before the installation of solenoid valve. The medium introduced shall be free of impurities. Filter installed in front of the valve;
5. When the solenoid valve fails or is cleaned, a bypass device shall be installed to ensure the continuous operation of the system.