High speed sand filter cylinder

Note: When turning the handle of the cylinder head control valve, the control valve handle must be pressed down to prevent damage to the seal of the control valve!
When turning the control valve, the water pump must be turned off!
Avoid allowing the working pressure of the sand filter tank to be higher than kilopascals!
Clean the hair collector regularly
To prevent water leakage, make sure all pipe connections are firm and reliable!
Folding
Filtering function
Inspection before starting
Before starting, the multi-directional valve of the sand filter tank should be adjusted to the filtering state
Check whether the corresponding valves on the pipeline are All are in correct condition
Check whether the hair collector is blocked. If so, it must be cleaned first. Check whether there is air inside. If so, the air must be drained out first
Check whether the tank lid is tight. Air leakage. If there is air leakage, the tank lid must be tightened to make it tight and air-proof< br//r/~_ Schematic diagram of swimming pool filtration system_ />
Schematic diagram of swimming pool filtration system
Check each dosage Check whether the system liquid pipe is normal and unblocked, whether there is still liquid in the medicine barrel, and whether the valve on the mouth of the medicine dispenser has been opened to ensure that the medicine dosing system is in a ready state
Check whether there is air accumulated in the main return line , if any, it must be eliminated through the drain valve
Start-up sequence
Turn on the water pump motor first
After the water pump motor runs normally, then turn on the water pumps in sequence
The backup pump does not need to be turned on< br/> Inspection after startup
Record the index of the pressure gauge on the filter, check whether backwashing is necessary, check the operation of the water pump, whether it is running smoothly and without noise, check whether each dosing system is operating normally, go to the swimming pool and visually inspect each Whether the water from the water injection port is normal.
Folding
Backwash function