24

Pump Disassembly (Continued)

9.To unscrew the impeller from the shaft, twist the impeller counterclockwise.

10.Remove the rotating portion of the mechanical seal from the impeller.

11.Remove the four bolts from the seal plate to the motor, using a 9/16 inch wrench.

12.Place the seal plate face down on a flat surface and tap out the carbon spring seat.

13.Clean the seal plate, seal housing, and the motor shaft.

GASKET

MOTOR

BOLT (4x)

SEAL

O-RING

SET SCREW

MOTOR

BOLT (2x)

IMPELLER

SEAL PLATE

LOCK SCREW

LOCK SCREW SEAL

Pump Reassembly/Seal Replacement

1.When installing the replacement shaft seal, use silicone sealant on the metal portion before pressing into the seal plate as shown.

2.Before installing the rotating portion of the seal into the impeller, be sure the impeller is clean. Use a light density soap and water to lubricate the inside of the seal. Press the seal into the impeller with your thumbs and wipe off the ceramic and carbon faces with a clean cloth.

3.Remount the seal plate to the motor.

4.Grease the motor shaft thread and screw impeller onto the motor shaft.

5.Screw in the impeller lock screw (counterclockwise to tighten).

6.Remount the diffuser onto the seal plate. Make sure the plastic pins and holding screw inserts are aligned.

7.Grease the diffuser o-ring and seal plate gasket prior to reassembly.

8.Grease the bolt threads, assemble the motor subassembly to the strainer pot-pump body by using the two (2) through bolts for proper alignment. Do not tighten the through bolts until all six (6) bolts are in place and finger tightened.

9.Reconnect the RS-485 communication cable to the pump.

10.Fill the pump with water.

11.Reinstall the pump lid and plastic clamp. See “Pump Strainer Basket Service” on page 15 for details.

12.Prime the pump, see page 7.

Shaft Seal Replacement

The Shaft Seal consists primarily of two parts, a rotating member and a ceramic seal. The pump requires little or no service other than reasonable care, however, a shaft seal may occasionally become damaged and must be replaced.

Note: The polished and lapped faces of the seal could be damaged if not handled with care.

IntelliFlo VS-3050 Installation and User’s Guide

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Pentair VS-3050 important safety instructions Pump Disassembly, Pump Reassembly/Seal Replacement, Shaft Seal Replacement
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VS-3050 specifications

The Pentair VS-3050 is a highly efficient variable speed pool pump designed for residential swimming pools. With its advanced technology and user-friendly features, it provides an innovative solution for pool owners looking to optimize energy use and maintain crystal-clear water. Its capabilities not only reduce operational costs but also enhance the overall pool experience.

One of the standout features of the VS-3050 is its variable speed motor, which allows users to adjust the pump's speed according to their specific needs. This flexibility enables significant energy savings as the pump operates efficiently at lower speeds for routine tasks such as filtration, while higher speeds can be utilized for heavy-duty tasks like vacuuming or water feature operation. Compared to traditional single-speed pumps, the VS-3050 can reduce energy consumption by up to 90%, leading to lower electricity bills and a smaller carbon footprint.

The VS-3050 also boasts a user-friendly digital control interface, making it easy for pool owners to set schedules and adjust speed settings. The intuitive display guides users through programming, allowing them to create customized operation schedules that align with their habits and pool maintenance needs. Additionally, its ability to integrate with automation systems means users can control pump settings remotely, further enhancing convenience.

Durability is another key characteristic of the Pentair VS-3050. Built with robust materials, the pump is designed to withstand the rigors of outdoor conditions while providing reliable performance year after year. The pump features a quiet operation mode, making it a welcome addition to any backyard setting without disturbing the tranquility of outdoor relaxation.

Moreover, the VS-3050 is designed for ease of installation and maintenance. With a compact footprint and lightweight construction, it can easily fit into most existing setups without requiring extensive modifications. Maintenance tasks are simplified, encouraging pool owners to keep their systems running smoothly.

In summary, the Pentair VS-3050 is an exemplary variable speed pool pump that combines advanced technology, efficiency, and user convenience. Its energy-saving capabilities, easy-to-use control interface, durable construction, and low maintenance make it a top choice for pool owners seeking to enhance their pool experience. Embracing the VS-3050 means investing in a sustainable future for backyard leisure while ensuring the water remains clean, clear, and inviting.
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