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6. Connect the return hose from the sand filter to the treatment tank. 7. Release the fresh water makeup float switch from its shipping position, and allow it to hang into the treatment tank. The bottom of the float should be between 12" and 18" from the bottom of the tank when in the correct position. If adjustment is required, release the strain relief securing the float to the tank, and reposition. 8. The low and high level switches are secured for shipping, and have been factory adjusted, but may have moved in transit. Remove the shipping bracket on the outside of each switch, and manually move the switches to ensure that they operate correctly. The distance that the floats move between "clicks" should not be less than 4" when the switches are moved manually. If adjustment is required, refer to the appendix section for details of adjustment procedures. Ensure that the switch floats are secure on the operating rods. 9. Connect the feed pump to the system inlet on the coalesces. Separate instructions are provided with the recommended pump. The high level switch in the treatment tank is for feed pump control. The lead from the control panel provides a controlled I I5 2 amp supply for this purpose. If a higher current supply is required, refer to a qualified electrician for the correct installation. 10. Connect the backwash pipe from the treatment system to the sump/storage tank. This should normally be a minimum of a 2" PVC connection with a maximum of a 100 ft gravity return to the sump/tank. If a greater distance is required, or a vertical run is required, please refer to the factory for further instructions. 11. Ensure that all system valves are closed (handles across the direction of flow) 12. Remove the top of the sand filter(see directions in the appendix) and using a hose, fill the filter with water above the level of the laterals. This is to prevent damage when the sand is added, and also assists in preventing "rat-holing" when filling the filter with sand. 13. Carefully add the required amount (see system specification table) of the correct grade of sand, levelling the sand as the filter is filled. 14. Remove any sand from the seal area of the filter seal, replace the lid, and the lid clamps or bolts. Refer to the directions in the Appendix section. IMPORTANT ENSURE THAT THE DIRECTIONS FOR REPLACING THE LID AND TIGHTENING THE CLAMPS OR BOLT ARE CAREFULLY FOLLOWED TO AVOID PERSONAL INJURY OR DAMAGE TO THE EQUIPMENT. 10