Product Overview
The Grundfos UPA 15-90 is a compact and efficient home booster pump designed to increase water pressure in domestic applications, particularly for single shower boosting. It operates automatically via a flow switch, ensuring consistent water pressure when needed.
Image: Front view of the Grundfos UPA 15-90 Home Booster Pump, highlighting its compact design and connection points. The pump is black with a distinctive red ring around its central housing and features the Grundfos logo and model number.
Key Features:
- In-line single shower booster, providing approximately 0.5 Bar pressure increase.
- Fully automatic operation controlled by an integrated flow switch.
- Designed for easy "plug and play" installation.
- Compact and space-saving design for convenient placement.
- Engineered for silent operation, minimizing noise disturbance.
Specifications
| Attribute | Detail |
|---|---|
| Brand | Grundfos |
| Model Number | UPA 15-90 |
| Colour | Black |
| Material | Cast Iron |
| Style | Inline |
| Power Source | AC |
| Item Weight | 8 kg (8000 Grams) |
| Maximum Flow Rate | 1.8 Cubic Meters Per Hour |
| Product Dimensions (LxWxH) | 24 x 22 x 24 cm |
| Included Components | Water Booster Pump |
Setup and Installation
The Grundfos UPA 15-90 pump is designed for straightforward installation. It is crucial to follow all local plumbing and electrical codes. Professional installation by a qualified plumber or electrician is recommended to ensure safety and proper operation.
Pre-Installation Checks:
- Ensure the power supply matches the pump's requirements (AC).
- Verify that the installation location is protected from freezing temperatures and direct sunlight.
- Confirm that the pipework is clean and free of debris before connecting the pump.
- Ensure adequate ventilation around the pump for cooling.
Installation Steps:
- Mounting: Securely mount the pump in an accessible location, ensuring it is level and stable. Use appropriate mounting hardware.
- Plumbing Connections: Connect the pump to the water supply line. The pump is designed for in-line installation. Ensure all connections are watertight using appropriate sealants and fittings. The inlet and outlet connections are threaded for standard plumbing.
- Electrical Connection: Connect the pump to a suitable electrical outlet. The "plug and play" design simplifies this step, but ensure the circuit can handle the pump's power requirements (120 W).
- Priming (if necessary): Follow specific instructions in the full manual for priming the pump if it does not self-prime or if air is present in the system.
- Leak Check: After installation, slowly open the water supply and check all connections for leaks.
Note: For detailed diagrams and specific pipework configurations, refer to the comprehensive installation guide provided with the product packaging.
Operating Instructions
The Grundfos UPA 15-90 operates automatically based on water flow. It is designed to activate when water is drawn and deactivate when the flow stops.
Normal Operation:
- Once installed and connected to power, the pump will remain in standby mode.
- When a tap or shower connected to the boosted line is opened, the flow switch detects water movement and automatically starts the pump.
- The pump will boost the water pressure to the connected outlet.
- When the tap or shower is closed, the flow stops, and the pump will automatically shut off after a short delay.
Important Considerations:
- Do not run the pump dry. Ensure there is always water supply to the pump to prevent damage.
- Avoid operating the pump in environments with extreme temperatures.
- If the pump runs continuously without water flow, check for leaks in the system or issues with the flow switch.
Maintenance
Regular maintenance ensures the longevity and efficient operation of your Grundfos UPA 15-90 pump. Minimal maintenance is typically required for this model.
Routine Checks:
- Visual Inspection: Periodically inspect the pump and connections for any signs of leaks, corrosion, or damage.
- Noise Level: Listen for any unusual noises during operation, which could indicate a problem. The pump is designed for silent operation.
- Flow Rate: Ensure the boosted water flow remains consistent. A decrease in flow might indicate a blockage or pump issue.
Cleaning:
- Keep the exterior of the pump clean and free of dust and debris. Use a soft, damp cloth for cleaning.
- Do not use harsh chemicals or abrasive cleaners.
Winterization (if applicable):
- If the pump is installed in an area prone to freezing, ensure it is adequately protected or drained during cold periods to prevent damage from ice expansion.
Troubleshooting
This section provides solutions to common issues you might encounter with your Grundfos UPA 15-90 pump. For more complex problems, contact qualified service personnel.
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not start. | No power supply. Flow switch not activated. Air in the pump. | Check power connection and circuit breaker. Ensure sufficient water flow to activate the switch. Bleed air from the system or re-prime the pump. |
| Pump runs continuously. | Leak in the system. Faulty flow switch. | Check all plumbing for leaks. Contact service for flow switch inspection/replacement. |
| Low water pressure. | Insufficient inlet pressure. Partial blockage. Pump malfunction. | Ensure adequate main water supply pressure. Check for blockages in pipes or pump. Contact service if pump is faulty. |
| Unusual noise from pump. | Air in the system. Debris in pump. Worn bearings. | Bleed air from the system. Inspect for and remove any debris (power off first). Contact service for internal inspection. |
Warning: Always disconnect power to the pump before performing any inspection or maintenance to avoid electrical shock.
Warranty and Support
Grundfos products are manufactured to high standards and come with a manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Grundfos website.
For technical support, service, or spare parts, please contact Grundfos customer service or an authorized Grundfos service center. When contacting support, please have your pump's model number (UPA 15-90) and serial number ready.
You can find more information and support resources on the official Grundfos website: www.grundfos.com
