Tsurumi Pump 8PN Submersible Pond & Waterfall Pump User Manual

1. Introduction

Welcome to the user manual for your Tsurumi Pump 8PN Submersible Pond & Waterfall Pump. This manual provides essential information for the safe and efficient operation, installation, and maintenance of your pump. Please read it thoroughly before use to ensure proper handling and longevity of your product.

2. Product Overview

The Tsurumi Pump 8PN is a high-performance submersible pump engineered for reliability and durability in various water feature applications, including ponds and waterfalls. Its robust design ensures long-lasting operation.

• Corrosion Resistance: Features a stainless-steel housing and fiberglass reinforced plastic impeller, volute, and top cover for maximum corrosion resistance and durability.
• Eco-Friendly Design: The oil chamber utilizes white mineral oil, creating a safe environment for a thriving and safe garden pond ecosystem.
• High Performance: Rated for up to 5580 gallons per hour (GPH) and capable of handling solids up to 0.4 inch in diameter. It has a maximum head of 56 feet.
• Durable Sealing: Equipped with a dual inside mechanical seal with silicon carbide faces that prevent leakage and extend the life of the submersible pond pump.
• Convenient Cord Length: Comes standard with a 20ft power cord.

Figure 2.1: Tsurumi Pump 8PN Submersible Pond & Waterfall Pump. This image shows the Tsurumi Pump 8PN, highlighting its stainless steel body and robust construction, designed for submersible use in ponds and waterfalls.

Figure 2.2: Performance Curve. A graph illustrating the performance characteristics of the 8PN pump, showing the relationship between total head (feet) and capacity (gallons per hour) at 60Hz and 1 HP.

Figure 2.3: Key Features. An infographic highlighting key features of the 8PN pump: corrosion resistance due to stainless steel, eco-friendliness with food-grade mineral oil, and durable resin molded parts for longevity.

Figure 2.4: Typical Applications. This composite image displays three common water feature applications: a fountain, a natural-looking waterfall, and a serene pond, all suitable environments for the Tsurumi 8PN pump.

Figure 2.5: Pump in Operation. The Tsurumi 8PN pump submerged and operating in a flowing waterfall, demonstrating its intended use in water features.

3. Setup

3.1 Unpacking

Carefully remove the pump and all accompanying accessories from the packaging. Inspect all components for any signs of damage that may have occurred during transit. If any damage is found, do not proceed with installation and contact customer support.

3.2 Placement

Position the pump on a stable, flat surface within the pond or water feature. It is crucial to ensure the pump is fully submerged during operation and not resting directly on soft sediment, which could lead to clogging or instability. Avoid placing the pump where it can draw in excessive debris.

3.3 Electrical Connection

Connect the pump to a grounded 115V power outlet. Ensure the power cord is not kinked, pinched, or damaged in any way. For safety, always use a GFCI (Ground Fault Circuit Interrupter) protected outlet. Do not use extension cords unless specifically rated for outdoor, wet conditions and appropriate for the pump's power requirements.

3.4 Discharge Connection

Attach the appropriate discharge hose or piping to the pump's 2-inch discharge outlet. Secure all connections tightly using clamps or other suitable fasteners to prevent leaks and ensure efficient water flow.

4. Operating Instructions

4.1 Initial Start-up

Once the pump is properly installed, submerged, and all connections are secure, plug it into the GFCI-protected power outlet. The pump should start operating immediately. Observe the water flow to ensure it is functioning as expected.

4.2 Continuous Operation

The Tsurumi 8PN pump is designed for continuous operation. It is critical to ensure the water level in your pond or water feature remains sufficient to keep the pump fully submerged at all times. Running the pump dry can lead to overheating and severe damage.

4.3 Shutting Down

To turn off the pump, simply unplug it from the power source. For extended periods of non-use, such as during winter months, follow the detailed maintenance and storage guidelines provided in Section 5.

5. Maintenance

Regular and proper maintenance is crucial for ensuring optimal performance, efficiency, and extending the lifespan of your Tsurumi 8PN pump.

5.1 Cleaning the Impeller and Volute

Periodically remove the pump from the water and inspect the impeller and volute for any accumulated debris such as leaves, algae, or small stones that may obstruct water flow. Clean as necessary using a brush and clean water. Ensure the pump is unplugged before performing any cleaning.

5.2 Oil Chamber Check

The pump utilizes white mineral oil in its oil chamber for lubrication and cooling. While designed for long-term reliability, it is recommended to refer to the full technical manual or consult a qualified service technician for details on checking and refilling the oil, typically required during professional servicing or if performance issues arise.

5.3 Winterization

In regions where water temperatures drop below freezing, it is essential to remove the pump from the water before the onset of freezing conditions. Thoroughly clean the pump, drain any remaining water from the unit, and store it in a dry, frost-free location to prevent damage from ice expansion.

6. Troubleshooting

This section provides solutions to common issues you might encounter with your Tsurumi 8PN pump. For problems not listed here or if solutions do not resolve the issue, please contact Tsurumi customer support.

7. Specifications

Detailed technical specifications for the Tsurumi Pump 8PN (50PN2.75S) model:

8. Warranty & Support

Your Tsurumi Pump 8PN (50PN2.75S) is backed by a 2-YEAR WARRANTY, ensuring peace of mind regarding its quality and performance. This warranty covers defects in materials and workmanship under normal use.

For technical assistance, parts inquiries, or to initiate a warranty claim, please contact Tsurumi (America), Inc. directly. Their dedicated team is available to provide expert support and guidance.

For additional product information, resources, and to explore other Tsurumi Pump products, please visit the official Tsurumi Pump store:

Tsurumi Pump Official Store