1. Uvod
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, showcasing svojim kompaktnim dizajnom i integriranom ručkom.
2. Sigurnosne upute
Always observe the following safety precautions to prevent injury and damage to the pump.
Opća sigurnost
- Pročitajte sve upute prije uporabe.
- Provjerite je li pumpa postavljena na stabilnu, ravnu površinu.
- Do not operate the pump without water, as this can cause damage.
- Držite djecu i neovlaštene osobe podalje od radnog područja.
- Po potrebi nosite odgovarajuću osobnu zaštitnu opremu (OZO).
Electrical Safety (Battery)
- Only use original Einhell Power X-Change batteries and chargers.
- Do not expose batteries to water, heat, or direct sunlight.
- Baterije čuvajte na suhom mjestu na sobnoj temperaturi.
- 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. Komponente prekoview
Familiarize yourself with the main components of your Einhell AQUINNA 18/28 garden pump:
- Ručka za nošenje: Za jednostavan transport.
- Odjeljak za baterije: For inserting the Power X-Change battery.
- Prekidač za uključivanje/isključivanje/način rada: To control pump operation and select power modes.
- Water Filling Screw: For filling the pump housing with water before operation.
- Suction Connection (Inlet): Threaded connection for the suction hose.
- Pressure Connection (Outlet): Threaded connection for the discharge hose.
- Water Drain Screw: For emptying the pump, especially for frost protection.
- Montažne rupe: For securing the pump in a fixed location.

Slika 3: Krupni plan view of the robust metal threaded connections for suction and pressure hoses on the pump.
4. Postavljanje
4.1 Ugradnja baterije
- Otvorite poklopac odjeljka za baterije.
- Insert a charged Einhell Power X-Change 18V battery into the compartment until it clicks into place.
- Čvrsto zatvorite poklopac odjeljka za baterije.

Figure 4: Demonstrating the correct method for inserting a Power X-Change battery into the pump's battery compartment.
4.2 Spajanje crijeva
- Usisno crijevo: 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.
- Ispusno crijevo: Connect a discharge hose to the pressure connection (outlet) of the pump. Secure all connections with appropriate clamps ako je potrebno.
4.3 Punjenje pumpe
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. Upute za rad
5.1 Pokretanje pumpe
- Ensure the pump is primed and all hoses are securely connected.
- Umetnite napunjenu bateriju.
- 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 Načini napajanja
- ECO način rada: Provides maximum battery life with reduced pump pressure. Ideal for lighter watering tasks or when extended run time is required.
- BOOST način rada: 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 Zaustavljanje pumpe
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. Održavanje
Redovito održavanje osigurava dugotrajnost i optimalne performanse vaše pumpe.
6.1 Čišćenje
- 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 Zaštita od smrzavanja
To prevent damage from freezing temperatures, completely drain the pump before storing it for winter or in cold conditions.
- Izvadite bateriju.
- Odvojite sva crijeva.
- 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 Skladištenje
Store the pump in a dry, frost-free location, out of reach of children. Ensure the battery is removed before storage.
7. Rješavanje problema
This section addresses common issues you might encounter with your garden pump.
| Problem | Mogući uzrok | Otopina |
|---|---|---|
| Pumpa se ne pokreće. | Battery not inserted or discharged. | Umetnite napunjenu bateriju. |
| On/Off switch in "OFF" position. | Move switch to "ECO" or "BOOST". | |
| Pumpa radi, ali voda se ne dovodi. | 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. | Usisni filter je začepljen. | Očistite usisni filtar. |
| Baterija je niska. | Napunite ili zamijenite bateriju. | |
| Pumpa se neočekivano zaustavlja. | Aktivirana zaštita od preopterećenja. | Allow pump to cool down. Check for blockages in hoses or pump. |
8. Tehničke specifikacije
| Značajka | Specifikacija |
|---|---|
| Model | AKVINSKA 18/28 |
| Broj dijela | 4180440 |
| Voltage | 18 V (Power X-Change) |
| Maks. Protok | 2800 litara na sat |
| Maks. visina pumpe (glava) | 25 metara (2.5 bara) |
| Maks. dubina usisavanja | 6 metara |
| Dimenzije proizvoda (D x Š x V) | 17.52 cm x 6.1 cm x 8.27 cm |
| Težina artikla | 2.55 kg (5.61 lbs) |
| Materijal | Metal (connections) |
| Uključene komponente | Battery Garden Pump, Key for Water Fill and Drain Screw |
| Baterija i punjač | Not included (Power X-Change system) |
9. Jamstvo i podrška
Informacije o jamstvu
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.
Korisnička podrška
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 webmjesto.





