Y-type water filter is a small equipment to remove a small amount of solid particles in the liquid, which can protect the normal operation of the equipment. The Y-type water filter is an indispensable device on the transmission medium pipeline. It is usually installed in the pressure reducing valve, pressure relief valve, constant water level valve or other equipment to eliminate impurities in the medium, so as to protect the normal use of the valve and equipment. When the fluid enters the filter cartridge with standard filter screen, the impurities are blocked, and the clean filtrate is discharged from the outlet of the filter. When cleaning is needed, the detachable filter screen can be taken out, treated and re installed.

Close the chilled water inlet and outlet valve of the fan, open the exhaust valve of the fan to drain water, and the exhaust valve will discharge water from large to small to no water, indicating that the inlet and outlet valves of the chilled water are in good condition, and the exhaust valve can not discharge water, and the exhaust valve may be blocked. Open the chilled water inlet valve and drain the dirt with flushing method; the exhaust valve has continuous water outflow, and it is possible that the valve is not closed tightly, and the inlet and outlet valve is tightened when the chilled water is tightened.

After tightening the chilled water inlet and outlet valve, the water still flows out continuously, indicating that the valve is broken. Cut the insulation layer of the Y-type filter, open the screw cover of the Y-type filter, connect the water with the container, and take out the filter screen. Open the chilled water outlet valve, use the return water pressure to backwash the fouling of the cooling coil until the water is discharged, then close the outlet valve, install the cleaned filter screen and close the screw cover.