This manual contains important information about the installation, operation and safe use of this product. This information should be given to the owner/operator of this equipment.
This document provides operating instructions for the Pentair SMBW 4000 Series filter system. It details how to operate the unit under pressure, including safety warnings regarding high-pressure systems that can cause severe injury if air enters the circulating system during service.
The manual covers installation requirements such as mounting on a level concrete slab and maintaining proper clearance for maintenance access. It also explains the function of diatomaceous earth (D.E.) in filtering water and provides specific precoat instructions, including a table listing D.E. weight requirements by filter model number.
The table indicates that 2.4 pounds of D.E. are required by weight for the filter model number 4024.
You should clean your filter when the pressure gauge reads between 8-10 psi higher than the original starting pressure.
The maximum operating pressure of the tank is 50 psi; never operate the unit above this pressure.