1. Introduktion
This manual provides essential information for the safe and efficient operation of your Wilo Varios PICO-STG 15/1-8 high-efficiency pump. This pump is specifically designed for use in heating, cooling, industrial, solar, and geothermal installations, offering reliable performance and energy efficiency.
2. Sikkerhedsinstruktioner
Please read and understand all safety instructions before installing, operating, or maintaining the pump. Failure to follow these instructions may result in personal injury, property damage, or pump malfunction.
- Elektrisk sikkerhed: Always disconnect the power supply before performing any installation, maintenance, or repair work on the pump. Ensure all electrical connections are made by a qualified electrician and comply with local regulations.
- Kvalificeret personale: Installation and complex maintenance should only be performed by qualified and authorized personnel.
- Varme overflader: The pump and connected pipes may become hot during operation. Allow them to cool before handling.
- Systemtryk: Ensure the system pressure is released before opening any connections or performing maintenance.
- Tiltænkt brug: Use the pump only for its intended purpose as described in this manual.
3. Komponenter overview
The Wilo Varios PICO-STG 15/1-8 pump features a robust design with user-friendly controls and advanced technology.
Figur 3.1: Front view of the Wilo Varios PICO-STG 15/1-8 pump, showing the control panel with LED indicators and push buttons, and the green pump housing.
Nøglekomponenter og funktioner inkluderer:
- Pumpehus: Constructed from grey cast iron with KTL coating for durability.
- Kontrolpanel: Features 'Green button technology' with push buttons for regulation and setting, and an LED display for operational status and error codes.
- Motor: Blockage-resistant synchronous motor utilizing ECM technology for high efficiency.
- Forbindelser: Double electrical connector (Molex and Wilo type) and an iPWM connector for external control.
- Integrated Electronic Power Control: For continuous differential pressure control.
4. Opsætning og installation
The Wilo Varios PICO-STG 15/1-8 pump is designed for easy integration into various systems. Ensure proper planning and adherence to technical specifications during installation.
Figur 4.1: Technical drawing of the Wilo Varios PICO-STG 15/1-8 pump, illustrating its dimensions including length (130mm) and connection sizes (G).
4.1 Mekanisk installation
- Monteringsposition: Install the pump in a suitable location, ensuring adequate space for ventilation and future maintenance. The pump can be installed horizontally or vertically.
- Rørforbindelser: The pump features DN 25 (1") external threads. Ensure clean and secure connections to the system piping. The pump has a length of 130 mm.
- Systempåfyldning: After installation, fill the system with the appropriate medium and purge any air. The pump has a built-in purge function.
4.2 Elektrisk tilslutning
- Strømforsyning: Connect the pump to a 230 V, 50/60 Hz power supply. Use the provided 3-pin pump plug and Wilo connector.
- PWM-signal: The pump can operate with or without an external PWM signal. If using PWM control, connect the iPWM connector accordingly.
- Jording: Ensure the pump is properly grounded to prevent electrical hazards.
5. Betjeningsvejledning
The Wilo Varios PICO-STG 15/1-8 pump is designed for intuitive operation using its 'Green button technology' and LED display.
- Tænd/sluk: Once connected to the power supply, the pump will initiate its startup sequence.
- Regulation Control: Use the push button for control regulation to select the desired operating mode (e.g., constant differential pressure, variable differential pressure).
- Indstillingsjustering: Use the push button for setting to adjust specific parameters within the selected operating mode.
- LED display: The LED display provides visual feedback on the pump's current status, selected operating mode, and any error codes.
- Manual Programming Mode: The pump includes a synchronization function for manual programming, allowing for precise control over its operation.
- Ekstern kontrol: The pump supports various external control types via its iPWM connection.
- Udrensningsfunktion: Activate the purge function to automatically vent air from the pump and system, ensuring optimal performance.
- Manuel nulstilling: In case of a malfunction or error, a manual reset function is available to restart the pump.
6. Vedligeholdelse
The Wilo Varios PICO-STG 15/1-8 is designed as a maintenance-free circulation pump. However, regular checks can help ensure its longevity and optimal performance.
- Visuel inspektion: Efterse regelmæssigt pumpen og forbindelserne for tegn på lækager, korrosion eller skader.
- Particle Filter: The pump is equipped with a particle filter. While generally maintenance-free, in systems with high particulate matter, occasional inspection and cleaning of the filter may be beneficial to prevent blockages and maintain efficiency.
- System Medium: Ensure the system medium is clean and free of debris that could affect pump operation.
- Elektriske forbindelser: Verify that all electrical connections remain secure and free from corrosion.
For any complex maintenance or repairs, always consult a qualified service technician.
7. Fejlfinding
This section provides guidance on common issues you might encounter with your Wilo Varios PICO-STG 15/1-8 pump. The LED display will often show error codes to assist in diagnosis.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Pumpen starter ikke | No power supply; Incorrect wiring; Motor blockage. | Check power connection and circuit breaker; Verify wiring according to diagram; Perform manual reset; Check for blockages. |
| Reduced flow/pressure | Air in system; Clogged particle filter; Incorrect settings. | Activate purge function; Inspect and clean particle filter; Adjust pump settings via control panel. |
| Usædvanlig støj/vibration | Air in pump; Foreign objects in pump; Improper mounting. | Activate purge function; Disconnect power and inspect pump for foreign objects (if safe to do so); Ensure pump is securely mounted. |
| Fejlkode vises | Specific malfunction detected by the pump's internal diagnostics. | Refer to the pump's LED display for the specific error code. Consult the Wilo technical documentation or contact customer support with the error code for detailed troubleshooting steps. Try a manual reset. |
If the problem persists after attempting these solutions, or if you encounter an issue not listed here, please contact Wilo customer support or a qualified service technician.
8. Specifikationer
Technical data for the Wilo Varios PICO-STG 15/1-8 high-efficiency pump:
| Attribut | Værdi |
|---|---|
| Fabrikant | Wilo |
| Modelnummer | 4232742 |
| Produktmål (L x B x H) | 14 x 14 x 9.4 cm |
| Vægt | 2 kilo |
| Varemængde | 1 |
| Batterier påkrævet | Ingen |
| Media Temperature (Heating/Geothermal) | -20 °C til +95 °C |
| Media Temperature (Solar) | -10 °C til +110 °C |
| Operation Voltage | 230 V, 50 / 60 Hz |
| Energieffektivitetsindeks (EEI) | <0.20 |
| Strømforbrug | 1-75 W |
| Beskyttelsesvurdering | IPX4D |
| Pumpelegemets materiale | Grey cast iron (KTL coating) |
| Længde | 130 mm |
| Ekstern tråd | DN 25 (1") |
| Type | 15/1-8 |
| Nominelle dimensioner | DN 15 (1/2") |
9. Garanti og support
For detailed warranty information, technical support, and service inquiries regarding your Wilo Varios PICO-STG 15/1-8 pump, please refer to the official Wilo website or contact Wilo customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.
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