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Sand tank filter installation and maintenance


1. Filter installation The installation and maintenance of the sand tank filter is very simple, only need a screwdriver, wrench, PVC glue and sealing tape for sealing plastic joints. 1. The sand tank filter should be placed on horizontal concrete or a solid surface with comparable hardness. In addition, the location where the sand tank filter is installed should be convenient for the connection of pipelines, the operation of the control valve and the maintenance of the sand tank filter. 2. Filling of the filter sand, the filter sand should be filled from the upper opening of the filter.

(1) Loosen the nut and take off the filter control valve (if the control valve has been installed); (2) Cover the mouth of the plastic pipe with a plastic protective cover to prevent filter sand from entering; 3. Install the control valve to On the filter (1) the control valve (with sealing ring) is put in from the upper port of the filter, pay attention to align and insert the central tube in the filter and the hole at the bottom of the switch; (2) tighten the nut with a wrench, Connect the control valve and the filter; (3) Install the pressure gauge (with sealing ring) at the screw hole of the control valve body, do not overtighten. 4. The nozzle marked "PUMP" on the valve body is connected to the water pump, the pipe returning to the swimming pool is connected to the nozzle marked "RETURN" on the control valve, and the nozzle marked "WASTE" on the control valve is connected to the sewage pipe. 5. Connect the water pump separator to the water inlet of the water pump, and install the water pump suction pipe.

6. For the connection of the water pump power system, the water pump should be equipped with a suitable leakage protection switch. 7. Check the firmness and tightness of the pipeline connection, and no leakage is allowed. 2. Use of the filter 1. Check and confirm that the connected objects of the sand tank filter and the power supply of the water pump are safely connected; 2. Press down the handle of the control valve and turn it to the "BACKWASH" ​​position (in order to prevent damage to the sealing ring of the switch, handle must be pressed before turning).

3. Start the water pump (to ensure that the water suction and return pipes are unblocked), and the filter can be filled with water in advance. Once the water flows into the connected sewage, the pump will continue to run for another 4 minutes. 4. Turn off the water pump, turn the control valve handle to the "RINSE flushing" position, start the water pump until the observation bottle becomes clear water and keep it for 1 minute; turn off the water pump, turn the control valve to the "FILTER filter" position, restart the water pump, and now filter The filter is functioning properly, filtering out the dirt from the pool water. 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..

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