1. Úvod
The Einhell AQUINNA 18/28 Power X-Change garden pump is a cordless, battery-powered device designed for pumping water in various garden applications. It is part of the Einhell Power X-Change system, allowing for flexible use of compatible batteries and chargers (sold separately). This manual provides essential information for the safe and efficient operation, setup, and maintenance of your garden pump.
Please read these instructions carefully before using the pump for the first time and keep them for future reference.

Figure 1: The Einhell AQUINNA 18/28 Power X-Change garden pump, showcasindíky kompaktnímu designu a integrované rukojeti.
2. Bezpečnostní pokyny
Always observe the following safety precautions to prevent injury and damage to the pump.
Obecná bezpečnost
- Před použitím si přečtěte všechny pokyny.
- Ujistěte se, že je čerpadlo umístěno na stabilním, rovném povrchu.
- Do not operate the pump without water, as this can cause damage.
- Udržujte děti a neoprávněné osoby mimo provozní prostor.
- V případě potřeby používejte vhodné osobní ochranné prostředky (OOP).
Electrical Safety (Battery)
- Only use original Einhell Power X-Change batteries and chargers.
- Nevystavujte baterie vodě, teplu ani přímému slunečnímu záření.
- Store batteries in a dry place at room temperature.
- Remove the battery from the pump before any cleaning, maintenance, or storage.

Figure 2: Illustration indicating that the battery and charger are not included with the pump and must be purchased separately.
3. Komponenty přesview
Familiarize yourself with the main components of your Einhell AQUINNA 18/28 garden pump:
- Rukojeť pro přenášení: Pro snadnou přepravu.
- Přihrádka na baterie: For inserting the Power X-Change battery.
- Přepínač zapnutí/vypnutí/režimu: To control pump operation and select power modes.
- Plnicí šroub vody: For filling the pump housing with water before operation.
- Sací připojení (vstup): Threaded connection for the suction hose.
- Tlaková přípojka (výstup): Threaded connection for the discharge hose.
- Water Drain Screw: For emptying the pump, especially for frost protection.
- Montážní otvory: For securing the pump in a fixed location.

Obrázek 3: Detail view of the robust metal threaded connections for suction and pressure hoses on the pump.
4. Nastavení
4.1 Instalace baterie
- Otevřete kryt bateriového prostoru.
- Insert a charged Einhell Power X-Change 18V battery into the compartment until it clicks into place.
- Bezpečně zavřete kryt bateriového prostoru.

Figure 4: Demonstrating the correct method for inserting a Power X-Change battery into the pump's battery compartment.
4.2 Připojení hadic
- Sací hadice: Connect a suitable suction hose (minimum 1 inch diameter recommended) to the suction connection (inlet) of the pump. Ensure all connections are airtight to prevent air intake, which can reduce pump performance. The maximum suction depth is 6 meters.
- Vypouštěcí hadice: Connect a discharge hose to the pressure connection (outlet) of the pump. Secure all connections with appropriate clamps v případě potřeby.
4.3 Naplnění čerpadla
Before initial operation, the pump housing must be filled with water to ensure proper function and prevent damage.
- Remove the battery from the pump.
- Unscrew the water filling screw located on the top of the pump.
- Carefully fill the pump housing with clean water until it overflows.
- Replace and tighten the water filling screw securely.

Figure 5: Close-up of the red water filling screw, used to prime the pump with water before operation.
5. Návod k obsluze
5.1 Spuštění čerpadla
- Ensure the pump is primed and all hoses are securely connected.
- Vložte nabitou baterii.
- Move the On/Off/Mode switch to the desired operating mode.

Figure 6: Detail of the On/Off/Mode switch, allowing selection between ECO and BOOST modes.
5.2 Režimy napájení
- Režim ECO: Provides maximum battery life with reduced pump pressure. Ideal for lighter watering tasks or when extended run time is required.
- Režim BOOST: Delivers maximum pump power and pressure (up to 2.5 bar, 25m head). Suitable for demanding applications or when higher flow rates are needed.
5.3 Zastavení čerpadla
To stop the pump, move the On/Off/Mode switch to the "OFF" position. For extended breaks or when finished, remove the battery.

Figure 7: The Einhell AQUINNA 18/28 pump in use, demonstrating its application for garden irrigation from a water source.
6. Údržba
Pravidelná údržba zajišťuje dlouhou životnost a optimální výkon vašeho čerpadla.
6.1 Čištění
- After each use, clean the exterior of the pump with a damp tkanina.
- Periodically check the suction filter (if installed) for debris and clean as necessary.
- Ensure no foreign objects enter the pump's inlet or outlet.
6.2 Ochrana proti mrazu
To prevent damage from freezing temperatures, completely drain the pump before storing it for winter or in cold conditions.
- Vyjměte baterii.
- Odpojte všechny hadice.
- Unscrew the water drain screw located at the bottom of the pump.
- Allow all water to drain completely. Tilt the pump if necessary.
- Replace and tighten the water drain screw.

Figure 8: Close-up of the water drain screw, essential for emptying the pump to prevent frost damage during cold weather.
6.3 Skladování
Store the pump in a dry, frost-free location, out of reach of children. Ensure the battery is removed before storage.
7. Řešení problémů
This section addresses common issues you might encounter with your garden pump.
| Problém | Možná příčina | Řešení |
|---|---|---|
| Čerpadlo se nespustí. | Baterie není vložena nebo je vybitá. | Vložte nabitou baterii. |
| On/Off switch in "OFF" position. | Move switch to "ECO" or "BOOST". | |
| Čerpadlo běží, ale voda se nedodává. | Pump not primed (air in housing). | Prime the pump by filling with water (Section 4.3). |
| Suction hose not airtight or too long. | Check all suction connections for leaks. Shorten hose if excessively long. | |
| Suction height too great (over 6m). | Reduce suction height or move pump closer to water source. | |
| Reduced pump performance. | Ucpaný sací filtr. | Vyčistěte sací filtr. |
| Nízká úroveň nabití baterie. | Nabijte nebo vyměňte baterii. | |
| Čerpadlo se neočekávaně zastaví. | Aktivována ochrana proti přetížení. | Allow pump to cool down. Check for blockages in hoses or pump. |
8. Technické specifikace
| Funkce | Specifikace |
|---|---|
| Model | AQUINNA 18/28 |
| Číslo dílu | 4180440 |
| svtage | 18 V (Power X-Change) |
| Max. Průtok | 2800 litrů za hodinu |
| Max. výška čerpadla (doprava) | 25 metrů (2.5 barů) |
| Max. hloubka sání | 6 metrů |
| Rozměry produktu (D x Š x V) | 17.52 cm x 6.1 cm x 8.27 cm |
| Hmotnost položky | 2.55 kg (5.61 lb) |
| Materiál | Metal (connections) |
| Zahrnuté komponenty | Battery Garden Pump, Key for Water Fill and Drain Screw |
| Baterie a nabíječka | Not included (Power X-Change system) |
9. Záruka a podpora
Informace o záruce
Einhell products are manufactured to high-quality standards and undergo strict quality controls. The warranty period for this product is typically 2 years from the date of purchase, as per EU regulations for spare part availability. Please retain your proof of purchase for any warranty claims.
The warranty does not cover damage caused by improper use, normal wear and tear, or failure to follow the instructions in this manual.
Zákaznická podpora
For technical assistance, spare parts, or warranty inquiries, please contact your local Einhell service center or visit the official Einhell website. Contact details can usually be found in the packaging or on the Einhell corporate webmísto.





