This video explains the different positions of a sand filter for swimming pools, including the filtering, drain, closed, backwash, rinse, recirculation, and winterizing positions. It also discusses when to use each position, such as when the water is cloudy or when vacuuming the pool. The video advises turning off the pump before changing positions and cautions against using certain positions for certain chemicals. Practical examples are provided for each position.
1. All sand filters, quartz, zeolite, filter glass, etc., have the same six or seven positions.
2. Filtering position is the main position for filtering water.
3. Water is vacuumed through the filter in the filtering position.
4. Skimmers in filtering position filter dust, bugs, and dirt on the surface.
5. The drain position is used when emptying or vacuuming the pool.
6. Backwash position cleans the filter of dirt.
7. Rinse position is used after backwashing to prevent dirt from returning to the pool.
8. The recirculation position is not frequently used, mainly in winter for protection purposes.
9. The pump must always be turned off before switching positions.