New pool owner, inherited Polaris 280 from previous home owner but no manuel. I think I have the thing figured out but in reading the instructions on-line they mention a Restrictor Disk (I don't have any) and they mention a booster pump. I can hook it up but don't know if I am supposed to run filter and booster pump. Can I run it without the restrictor disk? 15,000 gal rectangle pool, cement.