Perkenalan
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.
Petunjuk Keselamatan
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.
- Keamanan Listrik: 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.
- Tekanan Air: Ensure the system's water pressure does not exceed the maximum operating pressure of the device or connected pump.
- Lingkungan Instalasi: Install the device in a location protected from freezing temperatures, direct sunlight, and excessive moisture.
- Tujuan Penggunaan: Use this device only for its intended purpose as an electronic pressure switch with dry-run protection for pumps. Do not modify the device.
- Anak-anak dan Personel yang Tidak Berwenang: Jauhkan anak-anak dan personel yang tidak berwenang dari perangkat selama pengoperasian.
Isi Paket
Verifikasi bahwa semua komponen ada dan tidak rusak saat dibuka kemasannya.
- Karcher Electronic Pressure Switch with Dry Run Protection (Model 6.997-357.0)
- User Manual (dokumen ini)
Pengaturan dan Instalasi
Proper installation is crucial for the correct function and longevity of the electronic pressure switch.
1. Memasang Perangkat
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. Sambungan Air
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.

Gambar 1: Samping 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. Sambungan Listrik
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.
Penting: This device operates on 12 Volts (DC). Verify compatibility with your pump and power supply before connecting.
Petunjuk Pengoperasian
The Karcher Electronic Pressure Switch is designed for automatic operation.
Operasi Otomatis
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.
Perlindungan Jalan Kering
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.

Gambar 2: Depan view of the Karcher Electronic Pressure Switch, showing the power indicator, fault indicator, and the 'RESET' button.
Mengatur Ulang Perangkat
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 MENGATUR ULANG button located on the front panel (refer to Image 2).
Pemeliharaan
Regular maintenance ensures optimal performance and extends the lifespan of your pressure switch.
- Pembersihan: Periodically clean the exterior of the device with a damp kain. Jangan gunakan bahan kimia keras atau pembersih abrasif.
- Pemeriksaan Koneksi: Regularly inspect all water and electrical connections for leaks or corrosion. Tighten connections as necessary.
- Musim dingin: 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.
Penyelesaian Masalah
Lihat tabel berikut untuk masalah umum dan solusinya.
| Masalah | Kemungkinan Penyebab | Larutan |
|---|---|---|
| Pompa tidak menyala. | Tidak ada catu daya. Dry-run protection activated. Kerusakan pompa. | Periksa sambungan listrik. Ensure water supply, then press MENGATUR ULANG. Inspect pump for issues. |
| Pompa bekerja terus menerus. | Kebocoran dalam sistem. Constant water demand. | Check all connections and pipes for leaks. Ensure all taps are closed. |
| Dry-run protection activates frequently. | Pasokan air tidak mencukupi. Air in the suction line. | Verify water source and supply. Bleed air from the pump and suction line. |
| Kebocoran air dari sambungan. | Koneksi longgar. 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.
Spesifikasi
| Merek | Karcher |
| Nomor Model | Nomor telepon 6.997-357.0 |
| Jil.tage | 12 Volt (DC) |
| Berat Barang | 0.96 Kilogram (2.11 pon) |
| Bahan | One or more values from [Metal, Steel, Rubber, Ethylene Propylene Diene Monomer, Acrylonitrile Butadiene Styrene, Brass, Iron, Plastic, Copper, Bronze, Polyvinyl Chloride, Polyoxymethylene] |
| Dimensi Produk | 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.) |
| Komponen yang Termasuk | Kärcher Electronic pressure switch with dry run protection |
| GTIN | 04039784223240 |
Catatan: Spesifikasi dapat berubah tanpa pemberitahuan.
Garansi dan Dukungan
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.
Sumber Daya Daring: www.karcher.com





