1. Okwu mmalite
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, showcasinnhazi ya dị obere na aka agbakwunyere.
2. Ntuziaka nchekwa
Always observe the following safety precautions to prevent injury and damage to the pump.
Nchekwa izugbe
- Gụọ ntuziaka niile tupu ojiji.
- Gbaa mbọ hụ na etinyere mgbapụta ahụ n'elu ebe kwụsiri ike, dị larịị.
- Do not operate the pump without water, as this can cause damage.
- Debe ụmụaka na ndị na-enyeghị ikike ka ha ghara ịnọ ebe a na-arụ ọrụ.
- Wear appropriate personal protective equipment (PPE) if necessary.
Electrical Safety (Battery)
- Only use original Einhell Power X-Change batteries and chargers.
- Ewepụla batrị na mmiri, okpomọkụ, ma ọ bụ ìhè anyanwụ kpọmkwem.
- 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. Ihe mejupụtaraview
Familiarize yourself with the main components of your Einhell AQUINNA 18/28 garden pump:
- Ibu Aka: Maka njem dị mfe.
- Akụkụ batrị: For inserting the Power X-Change battery.
- Gbanyụọ/ Gbanyụọ/Ụdị Mgbanwe: 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.
- Oghere mgbakwasị: For securing the pump in a fixed location.

Ọgụgụ 3: nso nso view of the robust metal threaded connections for suction and pressure hoses on the pump.
4. Nhazi
4.1 Ntinye batrị
- Mepee mkpuchi nke batrị batrị.
- Insert a charged Einhell Power X-Change 18V battery into the compartment until it clicks into place.
- Mechie mkpuchi nke batrị batrị nke ọma.

Figure 4: Demonstrating the correct method for inserting a Power X-Change battery into the pump's battery compartment.
4.2 Njikọta Poses
- Ọkụ mmiri: 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.
- Ọkpụkpọ mkpofu: Connect a discharge hose to the pressure connection (outlet) of the pump. Secure all connections with appropriate clamps ọ bụrụ na ọ dị mkpa.
4.3 Idobe mgbapụta ahụ
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. Ntuziaka ọrụ
5.1 Ịmalite mgbapụta
- Ensure the pump is primed and all hoses are securely connected.
- Fanye batrị chajịrị.
- 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.
Ụdị ike 5.2
- Ọnọdụ ECO: Provides maximum battery life with reduced pump pressure. Ideal for lighter watering tasks or when extended run time is required.
- Ụkpụrụ akwalite: 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 Ịkwụsị mgbapụta ahụ
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. Nlekọta
Regular maintenance ensures the longevity and optimal performance of your pump.
6.1 Nhicha
- After each use, clean the exterior of the pump with a damp akwa .
- 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 Nchekwa oyi
To prevent damage from freezing temperatures, completely drain the pump before storing it for winter or in cold conditions.
- Wepu batrị.
- Kwụpụ ụdọ niile.
- 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 Nchekwa
Store the pump in a dry, frost-free location, out of reach of children. Ensure the battery is removed before storage.
7. Nchọpụta nsogbu
This section addresses common issues you might encounter with your garden pump.
| Nsogbu | Ihe nwere ike ime | Ngwọta |
|---|---|---|
| Mgbapụta anaghị ebido. | Battery not inserted or discharged. | Fanye batrị chajịrị. |
| On/Off switch in "OFF" position. | Move switch to "ECO" or "BOOST". | |
| Pump runs but no water is delivered. | 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. | Ihe nzacha mmiri mechiri. | Hichaa nzacha mmiri. |
| Achaji batrị dị ala. | Fanye ma ọ bụ dochie batrị. | |
| Mgbapụta na-akwụsị na mberede. | Nchekwa oke ibu arụ ọrụ. | Allow pump to cool down. Check for blockages in hoses or pump. |
8. Nka na ụzụ nkọwa
| Njirimara | Nkọwapụta |
|---|---|
| Nlereanya | AQUINNA 18/28 |
| Nọmba akụkụ | 4180440 |
| Voltage | 18 V (Power X-Change) |
| Oke. Ọnụego mgbaba | 2800 Liters per Hour |
| Max. Pump Height (Head) | 25 meters (2.5 bar) |
| Max. Suction Depth | 6 mita |
| Akụkụ ngwaahịa (L x W x H) | 17.52" x 6.1" x 8.27" |
| Ibu Ibu | 2.55 n'arọ (5.61 lbs) |
| Ihe onwunwe | Metal (connections) |
| Ngwa gụnyere | Battery Garden Pump, Key for Water Fill and Drain Screw |
| Batrị & chaja | Not included (Power X-Change system) |
9. Akwụkwọ ikike na nkwado
Ozi akwụkwọ ikike
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.
Nkwado ndị ahịa
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 websaịtị.





