Pedrollo DG PED 3 - Compact Silent Variable Speed Booster Pump User Manual

1. Introduction

The Pedrollo DG PED 3 is an advanced, compact, and silent variable speed booster pump designed to provide constant water pressure in domestic installations. This all-in-one device effectively addresses issues of weak water pressure and inconsistent flow, enhancing overall comfort in your home.

Key features include:

• Compact, all-in-one design.
• Energy-saving operation due to variable speed technology.
• Ultra-silent performance.
• Automatic operation to maintain constant pressure and prevent drops.
• Easy to adjust, use, and quick to install.
• Suitable for various water sources including distribution networks, tanks, or shallow wells (up to 8 meters).

Figure 1.1: Front-side view of the Pedrollo DG PED 3 booster pump, showcasing its compact design and control panel.

2. Safety Instructions

Please read and understand all safety instructions before installing, operating, or performing maintenance on the DG PED 3 pump. Failure to follow these instructions could result in electric shock, fire, serious injury, or property damage.

• Always disconnect power before servicing the pump.
• Installation must be performed by a qualified professional in accordance with local electrical and plumbing codes.
• Ensure the pump is properly grounded.
• Do not operate the pump with damaged cords or plugs.
• Protect the pump from freezing temperatures.
• Do not use the pump for flammable or corrosive liquids.
• Keep children and unauthorized persons away from the pump during operation.

3. Components and Controls

Familiarize yourself with the main components and controls of your DG PED 3 pump.

Figure 3.1: Front view highlighting the control panel and various ports.

• Control Panel: Digital display and buttons for setting parameters and monitoring status.
• Power Switch: Main on/off switch for the unit.
• Inlet (IN): Connection point for water entering the pump.
• Outlet (OUT): Connection point for pressurized water leaving the pump.
• Pressure Sensor: Monitors system pressure to adjust pump speed.
• Flow Sensor: Detects water flow to activate/deactivate the pump.

Figure 3.2: Side view showing the clearly labeled IN (Inlet) and OUT (Outlet) connections, along with the "INVERTER HOME PUMP" designation.

Figure 3.3: Top view providing another perspective of the IN and OUT connections, essential for plumbing setup.

4. Setup and Installation

The DG PED 3 is designed for straightforward integration into new or existing pressurization systems. Professional installation is recommended.

4.1. Placement

• Install the pump in a dry, well-ventilated area, protected from direct sunlight and freezing temperatures.
• Ensure sufficient space around the unit for ventilation and maintenance access.
• Mount the pump on a stable, level surface to minimize vibration and noise.

4.2. Plumbing Connections

• Connect the water supply line to the "IN" (Inlet) port.
• Connect the household distribution line to the "OUT" (Outlet) port.
• Use appropriate fittings and sealants to ensure watertight connections.
• Consider installing isolation valves on both inlet and outlet for easier maintenance.

Figure 4.1: Example of the DG PED 3 pump connected with external piping, illustrating typical installation.

4.3. Electrical Connection

• Ensure the power supply matches the pump's voltage requirements (220V AC).
• Connect the pump to a dedicated, properly grounded electrical circuit.
• Avoid using extension cords.

4.4. Initial Priming (if applicable)

Follow the specific instructions in the full product manual for initial priming of the pump to ensure it is filled with water before first use.

5. Operating Instructions

The DG PED 3 operates automatically to maintain constant water pressure.

5.1. Powering On

• Once installed and primed, switch the main power switch to the "ON" position.
• The pump will perform a self-check and then enter standby mode.

5.2. Automatic Operation

• The pump will automatically start when water demand is detected (e.g., opening a faucet).
• It will adjust its speed to maintain the desired constant pressure, even with multiple outlets open.
• The pump will automatically stop when water demand ceases.

5.3. Setting Pressure (if adjustable)

Refer to the control panel and the full product manual for instructions on how to adjust the desired pressure set point. The DG PED 3 typically has a default set point of 3 bar, with an operating range of 1 to 5.5 bar.

Figure 5.1: Performance curve for DG PED 3, showing Head (H in meters) vs. Flow (Q in liters/minute). The shaded area indicates the operating range, with a typical set point at 3 bar.

6. Maintenance

Regular maintenance ensures optimal performance and extends the lifespan of your DG PED 3 pump. Always disconnect power before performing any maintenance.

• Regular Inspection: Periodically check for any visible leaks, unusual noises, or vibrations.
• Cleanliness: Keep the exterior of the pump clean and free from dust and debris to ensure proper ventilation.
• Filter Check (if applicable): If your system includes an inlet filter, inspect and clean it regularly to prevent clogging and maintain flow.
• Winterization: If the pump is installed in an area subject to freezing temperatures, ensure it is properly drained and protected during winter months to prevent damage.

7. Troubleshooting

This section provides solutions to common issues. For more complex problems, contact qualified service personnel.

8. Specifications

9. Warranty and Support

The Pedrollo DG PED 3 pump comes with a 2-year warranty from the date of purchase, covering manufacturing defects. Please retain your proof of purchase for warranty claims.

For technical support, spare parts, or warranty service, please contact your authorized Pedrollo dealer or visit the official Pedrollo website for contact information.

Important: Any unauthorized repairs or modifications to the pump will void the warranty.