Troubleshooting Guide

1. Short Cycle between backwashes:

NOTICE: Time between backwashes will vary with each installation and be- tween different areas of the country. The following causes and remedies are for cycle times shorter than normal for your area.

A. Chlorine residual too low; maintain proper residual (consult pool pro- fessional for recommendation).

B. Flow rate too high; restrict flow to rated capacity of filter (see instruc- tion plate on filter or specifications on Page 6).

C. Filter too small; install larger filter or additional filter.

D. Improper/insufficient precoat; see precoat instructions (Page 7).

E.Filter elements plugged; thoroughly clean filter (see No. 4, "Plugged Grid Cloth", below, and "Manual Filter Cleaning Procedure", Page 10).

F.Insufficient cleaning during backwash or annual cleaning; review cleaning instructions, Pages 9-11.

G.Too much DE; check for bridging between filter elements.

H.Water is chemically out of balance; consult pool professional.

2.Low Flow/High Pressure:

A.Elements plugged; clean filter thoroughly (see Pages 9-11).

B.Pipe blocked downstream from filter; remove obstruction.

C.Piping too small; use larger pipe (consult dealer for sizing).

D.Filter area too small; install larger filter or auxiliary filter (consult dealer for recommendation)

3.Low Flow/Low Pressure:

A.Pump too small; consult dealer for recommendations.

B.Plugged pump or plugged hair and lint trap; clean thoroughly.

4.Plugged Grid Cloth:

A.Insufficient precoat; see precoat instructions (Page 7).

B.Insufficient cleaning; follow cleaning instructions closely and clean thoroughly (see Pages 9-11).

C.Water is chemically out of balance; consult pool service man.

D.Excessive air in filter; non-precoated areas may plug. Vent air from tank and check for pump suction pipe leaks. Clean air bleed filter in grid as- sembly.

5.Pool Water Not Clean:

A.Chlorine dosage too low; maintain adequate chlorine residual (consult pool service man for recommendation).

B.Broken filter elements passing DE into pool; replace defective grids.

C.Insufficient or improper precoat; follow precoating instructions and use recommended amount of DE (see Page 7).

D.Inadequate turnover rate; consult dealer to verify that equipment is properly sized for your pool.

S7D75, S8D110 specifications

Pentair has made a significant mark in the world of pool and spa equipment with its impressive range of products, including the S8D110 and S7D75 models of filter systems. These two models are designed to provide superior filtration performance and are suited for both residential and commercial applications, ensuring clean and clear water for pool enthusiasts.

The Pentair S8D110 is a robust and high-capacity filter that features a durable construction, making it suitable for larger pools. One standout characteristic of the S8D110 is its efficient filtration mechanism. It utilizes a high-efficiency, radial flow design that enhances water flow while reducing pressure drop, leading to improved energy efficiency and lower operational costs. The model boasts a large filter area, which translates to less frequent cleaning and maintenance. This feature is especially beneficial for pool owners who desire a low-maintenance solution without compromising on the quality of water.

On the other hand, the Pentair S7D75 provides a more compact option for smaller pools while still accommodating effective filtration needs. This model features a streamlined design, making it easier to install and requiring less space. Like the S8D110, the S7D75 employs advanced filtration technology that ensures enhanced water clarity and purity. It incorporates innovative media options that improve dirt-holding capacity, allowing for extended periods between cleanings.

Both the S8D110 and S7D75 models benefit from Pentair's commitment to delivering sustainable solutions. They are designed with features that promote eco-friendliness, including energy-efficient pumps that minimize energy consumption during operation. Moreover, their construction involves materials that are resistant to corrosion, enhancing the longevity and reliability of the systems.

In terms of operational ease, both models present user-friendly attributes such as easy-to-access filter elements and clear labeling for straightforward maintenance. Their compatibility with various pool setups also makes them versatile choices for pool professionals and homeowners alike.

In summary, the Pentair S8D110 and S7D75 are exemplary filter systems that combine advanced technology, durable construction, and user convenience. These models illustrate Pentair's dedication to innovation while providing effective solutions for maintaining pristine pool environments, catering to diverse pool sizes and owner preferences. Whether for residential or commercial use, these filters ensure that clear, clean water remains a priority for all users.