Introduces the installation, operation and maintenance of Star regenerative diatomaceous earth filters
This document is the official installation, operation, and service manual for the Pentair Star DE diatomaceous earth (DE) filter. It provides critical safety information, explains the working principles of the filter, and details the setup process including mounting and piping requirements. The guide specifies operational data for different models (ST-35, ST-50, ST-80) and outlines the correct amount of DE charge required for each unit.
| DE Charge for ST-35 | 2.3 lbs |
|---|---|
| DE Charge for ST-50 | 3.4 lbs |
| DE Charge for ST-80 | 4.5 lbs |
The amount of DE should be between 3 and 4 pounds for each 10 square feet of filter area, with specific amounts listed for each model.
No, you must not operate the filter without a DE charge for more than two minutes.