Wstęp
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Karcher Electronic Pressure Switch 6.997-357.0. This device is designed to automatically control the operation of a pump, providing dry-run protection to prevent damage.
The electronic pressure switch automatically switches the pump on and off based on water demand, making it ideal for converting a standard garden pump into an electronic booster pump. Its integrated dry-run protection feature safeguards the pump by automatically shutting it off if no water is detected on the suction side.
Instrukcje bezpieczeństwa
Please read and understand all safety instructions before installing or operating the device. Failure to follow these instructions may result in electric shock, fire, serious injury, or property damage.
- Bezpieczeństwo elektryczne: Always disconnect power before performing any installation, maintenance, or repair work. Ensure all electrical connections are made by a qualified electrician and comply with local regulations.
- Ciśnienie wody: Ensure the system's water pressure does not exceed the maximum operating pressure of the device or connected pump.
- Środowisko instalacji: Install the device in a location protected from freezing temperatures, direct sunlight, and excessive moisture.
- Przeznaczenie: Use this device only for its intended purpose as an electronic pressure switch with dry-run protection for pumps. Do not modify the device.
- Dzieci i osoby nieupoważnione: Podczas pracy urządzenia należy trzymać dzieci i osoby nieupoważnione z dala od niego.
Zawartość opakowania
Przed rozpakowaniem sprawdź, czy wszystkie elementy są obecne i nieuszkodzone.
- Karcher Electronic Pressure Switch with Dry Run Protection (Model 6.997-357.0)
- Instrukcja obsługi (ten dokument)
Konfiguracja i instalacja
Proper installation is crucial for the correct function and longevity of the electronic pressure switch.
1. Montaż urządzenia
The pressure switch should be installed vertically, with the water inlet at the bottom and the outlet at the top, to ensure proper air bleeding and sensor function. Securely mount the device to a stable surface using appropriate fasteners (not included).
2. Połączenia wodne
Connect the pump's discharge outlet to the inlet of the pressure switch. Connect the water supply line to the outlet of the pressure switch. Ensure all connections are watertight using thread sealant tape or appropriate gaskets. Avoid overtightening connections.

Obraz 1: Strona view of the Karcher Electronic Pressure Switch, showing the pressure gauge and threaded inlet/outlet connections. The gauge displays pressure in bar and psi.
3. Połączenia elektryczne
Connect the power supply to the pressure switch and the pressure switch to the pump's power input. Refer to the wiring diagram provided with your pump and the pressure switch for specific connections. Ensure all electrical connections are secure and protected from moisture.
Ważny: This device operates on 12 Volts (DC). Verify compatibility with your pump and power supply before connecting.
Instrukcja obsługi
The Karcher Electronic Pressure Switch is designed for automatic operation.
Automatyczna obsługa
Once installed and powered, the device will automatically switch the connected pump on when water demand is detected (e.g., opening a tap) and switch it off when water flow stops. The integrated pressure gauge provides a visual indication of the system pressure.
Ochrona przed suchobiegiem
If the pump runs without water on the suction side, the dry-run protection feature will automatically shut off the pump to prevent damage. This is indicated by a specific light on the control panel.

Obraz 2: Przód view of the Karcher Electronic Pressure Switch, showing the power indicator, fault indicator, and the 'RESET' button.
Resetowanie urządzenia
If the dry-run protection activates, the pump will stop, and a fault indicator light will illuminate. To reset the device and restart the pump, ensure there is water available on the suction side, then press the NASTAWIĆ button located on the front panel (refer to Image 2).
Konserwacja
Regular maintenance ensures optimal performance and extends the lifespan of your pressure switch.
- Czyszczenie: Periodically clean the exterior of the device with a damp płótno. Nie używaj ostrych środków chemicznych ani ściernych środków czyszczących.
- Kontrola połączenia: Regularly inspect all water and electrical connections for leaks or corrosion. Tighten connections as necessary.
- Zimowanie: In areas prone to freezing temperatures, disconnect and drain the device and connected pump to prevent damage from ice expansion. Store in a dry, frost-free location.
Rozwiązywanie problemów
Aby zapoznać się z typowymi problemami i ich rozwiązaniami, zapoznaj się z poniższą tabelą.
| Problem | Możliwa przyczyna | Rozwiązanie |
|---|---|---|
| Pompa nie uruchamia się. | Brak zasilania. Dry-run protection activated. Awaria pompy. | Sprawdź podłączenie zasilania. Ensure water supply, then press NASTAWIĆ. Inspect pump for issues. |
| Pompa pracuje nieprzerwanie. | Wyciek w systemie. Constant water demand. | Check all connections and pipes for leaks. Ensure all taps are closed. |
| Dry-run protection activates frequently. | Niewystarczające zaopatrzenie w wodę. Air in the suction line. | Verify water source and supply. Bleed air from the pump and suction line. |
| Wyciek wody z przyłączy. | Luźne połączenia. Damaged seals/thread tape. | Tighten connections. Apply new thread sealant tape or replace gaskets. |
If the problem persists after attempting these solutions, please contact Karcher customer support.
Specyfikacje
| Marka | Karcher |
| Numer modelu | 6.997-357.0 |
| Tomtage | 12 V (prąd stały) |
| Waga przedmiotu | 0.96 kilogramów (2.11 funty) |
| Tworzywo | One or more values from [Metal, Steel, Rubber, Ethylene Propylene Diene Monomer, Acrylonitrile Butadiene Styrene, Brass, Iron, Plastic, Copper, Bronze, Polyvinyl Chloride, Polyoxymethylene] |
| Wymiary produktu | 53.15"L x 39.37"W x 74.8"H (Note: These dimensions appear to be for a larger product, possibly a pressure washer, not the switch itself. Please refer to product packaging for accurate switch dimensions.) |
| Zawarte komponenty | Kärcher Electronic pressure switch with dry run protection |
| GTIN | 04039784223240 |
Uwaga: Specyfikacje mogą ulec zmianie bez powiadomienia.
Gwarancja i wsparcie
For warranty information, technical support, or to purchase replacement parts, please contact Karcher customer service. Refer to your product packaging or the official Karcher website for the most up-to-date contact details and warranty terms applicable to your region.
Zasoby internetowe: www.karcher.com





