1. Introduktion
The Grundfos SCALA1 3-45 is a self-priming, multistage pump designed for pressure boosting applications. It integrates all necessary components into a compact unit, providing a reliable water supply for various residential uses, including city water, well water, groundwater intake, and rainwater harvesting. This manual provides essential information for the safe and efficient installation, operation, and maintenance of your SCALA1 3-45 booster pump.
Figure 1: Grundfos SCALA1 3-45 Booster Pump
2. Säkerhetsinformation
Always adhere to local codes and regulations during installation and operation. Read all instructions carefully before installing or operating the pump. Failure to follow safety instructions can result in serious injury or property damage.
- Se till att strömförsörjningen är frånkopplad innan du utför installations-, underhålls- eller reparationsarbete.
- Pumpen måste vara ordentligt jordad för att förhindra elektriska stötar.
- Do not operate the pump with damaged electrical cords or plugs.
- Skydda pumpen mot frysningstemperaturer.
- Håll barn och obehörig personal borta från pumpen under drift.
- Do not exceed the maximum inlet pressure of 43 PSI.
3. Produkt överview
The SCALA1 3-45 is a compact, all-in-one pressure boosting unit. Its self-priming design allows it to pump water from a level below the pump, capable of lifting water from a depth of 26 feet in less than 5 minutes when filled with water. Key features include:
- Integrerade skyddsfunktioner:
- Torrkörningsskydd: Automatically stops the pump if water shortage inträffar.
- Cycling Protection: Prevents frequent pump starts due to minor leakages in the installation.
- Max Runtime Protection: Stops the pump after a set period of continuous operation to prevent damage from pipe breakages.
- Motorskydd: Built-in protection against excessive temperature, seizure, or overload to prevent motor burnout.
- Bluetooth-anslutning: Allows communication with the Grundfos GO app for detailed pump monitoring and customization.
- Twin Booster System Capability: Can be set up as a duty/standby or duty/assist system via the Grundfos GO app.
Figure 2: Internal components of the SCALA1 3-45
This image illustrates the internal design of the SCALA1 3-45, showcasing its multistage impeller system and integrated motor, which contribute to its efficient and reliable operation.
4. Installation och installation
Proper installation is crucial for the optimal performance and longevity of your SCALA1 3-45 pump. Refer to the detailed installation guide provided with the product for comprehensive instructions.
4.1. Placering
- Install the pump on a stable, level surface.
- Ensure adequate ventilation around the pump.
- Protect the pump from direct sunlight, rain, and freezing temperatures.
4.2. VVS-anslutningar
Connect the suction and discharge pipes to the pump. Ensure all connections are watertight to prevent leaks and maintain pump efficiency.
Bild 3: Bak view showing plumbing connections
This image displays the rear of the SCALA1 3-45, highlighting the inlet and outlet ports for plumbing connections. Proper sealing is essential for preventing air leaks and ensuring efficient operation.
Bild 4: Överst view av anslutningar
Toppen view provides a clear perspective of the connection points, aiding in correct pipe alignment and installation.
- For city water or well water applications, use a PRLV-30 Pressure Reducing Limit Valve on the suction side of the pump. Set it to 30 PSI to prevent inbound water from exceeding the 43 PSI maximum inlet pressure.
- A small, 2-4 gallon pressure tank is recommended in installations with a water heater to accommodate thermal expansion and prevent frequent pump cycling due to minor leaks.
4.3. Elektrisk koppling
- Connect the pump to a grounded 115 Volt (AC) power supply.
- Ensure the electrical connection complies with all local electrical codes.
4.4. Flödning av pumpen
As a self-priming pump, the SCALA1 3-45 will automatically prime itself once filled with water. Ensure the pump casing is filled with water before initial startup.
5. Bruksanvisning
Once installed and primed, the SCALA1 3-45 operates automatically, maintaining desired water pressure. The pump starts when water demand is detected and stops when demand ceases.
5.1. Grundfos GO App
The SCALA1 can communicate with the Grundfos GO app via built-in Bluetooth. This app allows for:
- Detailed pump monitoring.
- High customization options for pump settings.
- Setup of Twin booster systems (duty/standby or duty/assist).
- Access to diagnostic information and error codes.
Download the Grundfos GO app from your device's app store and follow the in-app instructions to connect to your SCALA1 pump.
5.2. Protection Features in Operation
The pump incorporates advanced protection features to ensure reliable and safe operation:
- Torrkörningsskydd: If the water supply runs out, the pump will automatically stop to prevent damage. It will attempt to restart periodically.
- Cycling Protection: In case of small leaks in the system, the pump will detect frequent starts and adjust its operation to prevent excessive cycling, extending its lifespan.
- Max Runtime Protection: If the pump runs continuously for an extended period (e.g., due to a burst pipe), it will shut down to prevent flooding and damage.
- Motorskydd: The pump's motor is protected against overheating caused by high ambient temperatures, seizure, or electrical overload.
6. Underhåll
Regular maintenance ensures the long-term performance and reliability of your Grundfos SCALA1 3-45 pump. Always disconnect power before performing any maintenance.
- Regelbunden inspektion: Kontrollera regelbundet pumpen och anslutningarna för tecken på läckage, korrosion eller skador.
- Håll området fritt: Ensure the area around the pump is clean and free from debris to allow for proper ventilation.
- Vinterisering: If the pump is installed in an area subject to freezing temperatures, drain the pump completely or protect it from frost to prevent damage.
- Filterrengöring (om tillämpligt): If an external pre-filter is installed, clean it regularly according to its manufacturer's instructions.
Bild 5: Exploderad view of SCALA1 3-45 components
Det här exploderade view illustrates the various components of the SCALA1 3-45, which can be useful for identifying parts during maintenance or repair, though internal servicing should generally be performed by qualified personnel.
7. Felsökning
Innan du kontaktar supporten, återberättaview the following common issues and their solutions. For more detailed diagnostics, use the Grundfos GO app.
| Problem | Möjlig orsak | Lösning |
|---|---|---|
| Pump does not start or hums loudly. |
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| Pump starts and stops frequently (cycling). |
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| Pumpen går men inget vatten levereras. |
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| Pump overheats and shuts down. |
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8. Specifikationer
Technical specifications for the Grundfos SCALA1 3-45 Booster Pump:
| Attribut | Värde |
|---|---|
| Stämpla | Grundfos |
| Modellnummer | 99631742 |
| Material | Rostfritt stål |
| Produktmått (L x B x H) | 15.9 x 7.6 x 11.9 cm |
| Strömkälla | Elektrisk |
| Objektets vikt | 26.5 pund |
| Maximal flödeshastighet | 15.8 liter per minut |
| Maximal lyfthöjd | 26 fot |
| Voltage | 115 volt (AC) |
| Hästkraft | 1 hästkrafter |
| Wattage | 200 watt |
| Specifika användningsområden | Plumbing: Pressure Boosting; Residential groundwater intake; Residential water pressure boosting; Residential rainwater harvesting |
Figure 6: SCALA1 3-45 Dimensions
This image provides the key dimensions of the SCALA1 3-45 pump, essential for planning installation space.
9. Garanti och support
The Grundfos SCALA1 3-45 Booster Pump comes with a manufacturer's warranty. The warranty period is 24 months from startup or 30 months from the date code, beroende på vad som kommer först.
For technical support, warranty claims, or further assistance, please contact Grundfos customer service or your authorized Grundfos dealer. You can also utilize the Grundfos GO app for diagnostics and access to support resources.