Instruction Manual

1. Introduction

Thank you for choosing the MEDAS MW750-INOX Electric Portable Stainless Steel Submersible Sump Pump. This pump is designed for efficient and reliable water drainage in various domestic and industrial applications, including gardens, ponds, and basements. Its robust stainless steel construction and energy-efficient motor ensure long-lasting performance. This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your pump.

2. Safety Information

⚠ CAUTION: Please read all safety warnings and instructions carefully before operating the pump. Failure to follow these instructions may result in electric shock, fire, or serious injury.

• Always disconnect the pump from the power supply before performing any maintenance, cleaning, or when the pump is not in use.
• Ensure the power outlet is properly grounded and protected by a Ground Fault Circuit Interrupter (GFCI).
• Do not operate the pump if the power cord or plug is damaged. Contact qualified personnel for repair.
• Do not use the pump for flammable or explosive liquids, or in environments with explosive gases.
• The operating temperature range for this pump is +23°F to +104°F (-5°C to +40°C). Do not operate outside this range.
• Keep children and unauthorized persons away from the operating pump.
• Ensure the pump is fully submerged during operation to prevent overheating.
• This pump is designed for dirty water, capable of handling solids up to 35mm. However, avoid pumping excessively large debris or abrasive materials.

3. Product Overview

The MEDAS MW750-INOX pump features a robust design for reliable performance. Key components and features include:

• 1 HP / 750W Motor: Provides powerful and efficient water removal.
• Stainless Steel Body: Offers high anti-corrosion and wear-resisting strength for durability.
• Float Switch: Automatically controls the pump's on/off operation based on water level.
• Multi-Hose Fitting: Includes adapters for 1", 1-1/4", and 1-1/2" hoses to suit various needs.
• Thermal Protection: Built-in overload protection for safe operation and extended motor life.
• Special Impeller Technology: Designed for efficient handling of dirty water.

Front view of the MEDAS MW750-INOX Submersible Sump Pump, showcasing its stainless steel housing and float switch.

Image highlighting the "Inox Submersible Pump" with "Special impeller technology" for dirty water use.

Diagram illustrating key features: the float switch for automatic control, the durable stainless steel shell, and the multi-size outlet adapters (1", 1-1/4", 1-1/2").

Detailed view of internal components, including the mechanical seal for sealing effect, the stainless steel rotor shaft for durability, and the high-performance motor for efficiency.

4. Setup Instructions

1. Unpacking: Carefully remove the pump and all accessories from the packaging. Verify that all components listed in the package content are present.
2. Hose Connection: Attach a suitable discharge hose to the pump's outlet. The pump comes with multi-hose fittings (1", 1-1/4", 1-1/2") to accommodate different hose sizes. Ensure a secure, leak-free connection.
3. Placement: Place the pump on a stable, flat surface in the area to be drained. Ensure the pump is fully submerged in water for proper operation and cooling. The pump base is designed to allow solids up to 35mm to pass through.
4. Float Switch Adjustment: The float switch automatically turns the pump on and off. Ensure the float switch has enough clearance to move freely and activate at the desired water levels. Adjust its position if necessary to prevent it from getting stuck.
5. Power Connection: Connect the pump's power cord to a grounded 110-120V/60Hz electrical outlet protected by a GFCI.

Illustration showing the pump base designed to allow "35" mm solids to pass through, suitable for dirty water applications.

5. Operating Instructions

1. Initial Start-up: Once the pump is set up and connected to power, it will activate automatically when the water level rises and lifts the float switch.
2. Automatic Operation: The float switch will turn the pump on when the water reaches a certain level and turn it off when the water level drops below the minimum required for operation.
3. Manual Override (if applicable): While primarily automatic, ensure the float switch is free to move. If the pump does not start automatically, check the float switch position.
4. Monitoring: Periodically check the pump's operation and the discharge flow to ensure it is working effectively.
5. Shutting Down: The pump will shut off automatically. If manual shutdown is required, disconnect the pump from the power supply.

Visual representation of the pump's applications, including draining flooded basements (e.g., from washing machine overflow) and general water transfer.

6. Maintenance

Regular maintenance ensures the longevity and optimal performance of your MEDAS sump pump.

• Cleaning: Periodically clean the pump's intake screen and impeller area to remove any debris that may obstruct flow. Disconnect power before cleaning.
• Float Switch Check: Ensure the float switch is clean and moves freely without obstruction.
• Cable Inspection: Regularly inspect the power cable for any signs of damage, cuts, or fraying. Do not use the pump if the cable is damaged.
• Storage: If storing the pump for an extended period, clean it thoroughly, drain all water, and store it in a dry, frost-free location.
• Winterization: In cold climates, ensure the pump is removed from water and stored indoors to prevent freezing damage.

7. Troubleshooting

If you encounter issues not listed here or if solutions do not resolve the problem, please contact customer support.

8. Specifications

Infographic displaying key specifications: 2640 GPH Max Flow, 26 Ft Max Lift, IPX8 Safety Protection, 16.4 Ft Power Cord, 6.5 KG weight, 6 inch width, 14 inch height.

9. Warranty and Support

MEDAS stands by the quality of its products. For warranty information, please refer to the specific warranty card included with your purchase or visit the official MEDAS website. If you have any issues or require assistance, please contact MEDAS customer service. We are committed to ensuring your satisfaction.

Note: All pumps are delivered after full inspection and strict testing. Some residual water may be present inside, which does not affect usage. If transportation causes damage, please contact Amazon customer service for return or replacement.