Yelan sand tank cleaning process and function introduction

1. Check before starting the self-circulation 1. Before starting the circulation, adjust the multi-way valve of the filter sand tank to the filtering state (FILTER); 2. Check whether the corresponding valves on the pipeline are in the correct state; 3. Check the hair collection Check whether the tank (water pump) is blocked, if so, clean it first; check whether there is air in it, and if so, drain the air first; 4. Check whether the lid is tight and airtight, if there is air leakage, then Tighten the lid of the tank to make it tight and airtight; 5. Check whether there is air accumulated in the main return pipe, and if so, it must be removed through the drain valve; After the water pump motor is running normally, turn on the other water pumps in turn, and the standby pump does not need to be turned on; 3. Check after turning on the cycle 1. Record the index of the pressure gauge on the small device to check whether backwashing is necessary; check the operation of the water pump and see if it is running Steady, no noise; go to the pool to visually check whether the water from each water injection port is normal. 2. If the pressure gauge reading on the filter sand tank is higher than 2.5kg/cm2 or above, it is necessary to backwash the filter sand tank immediately; 4. Backwash process 1. Confirm that the relevant water pumps that need to backwash the sand tank have stopped 2. Adjust the multi-way valve on the filter sand tank to the backwash state (BACKWASH); 3. Confirm that the relevant valves on the pipeline are open; 4. First run the water pump; check and observe the clear water mirror on the sand tank until 5. Confirm that the backwashing has been completed; confirm that the water pump is closed; adjust the multi-way valve on the filter sand tank to RINSE; confirm that the relevant valves on the pipeline are in the correct position; Clean the water mirror on the tank until the water is clean; then turn off the water pump; 6. Adjust the multi-way valve on the filter sand tank to the filter state (FILTER), and the sand tank is cleaned. Poolking is the best swimming pool equipment manufacturer and supplier in China. Poolking exists to provide the highest quality swimming pool equipment while offering competitive pricing..