Unilift AP35 - Water pump Grundfos - Free user manual and instructions
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| Product Type | Water pump |
| Brand | Grundfos |
| Model | Unilift AP35 |
| Category | Drainage pump for clear and dirty water |
| Power supply | 230 V, 50 Hz, single-phase |
| Motor power | 0.35 kW (350 W) |
| Maximum flow rate | Up to 15 m³/h |
| Maximum head | Approximately 7 m |
| Dimensions (L × W × H) | Approximately 200 × 150 × 300 mm |
| Weight | Approximately 5.5 kg |
| Liquid type | Clean or dirty water (up to 10 mm particles) |
| Admissible liquid temperature | Up to 40 °C |
| Protection rating | IP68 (submersible) |
| Cable length | 10 m |
| Operation | Automatic via float or manual |
| Maintenance and cleaning | Clean the strainer regularly and check the float condition |
| Safety | Thermal protection, automatic shutdown in case of overheating |
| Spare parts and repairability | Parts available (seals, motor, float); repairable by an authorized professional |
| General information | User manual available in PDF format on notice-facile.com |
Frequently Asked Questions - Unilift AP35 Grundfos
What type of water can I pump with the Grundfos Unilift AP35?
This pump is designed for clear or dirty water containing particles up to 10 mm in diameter. It can be used for drainage, rainwater evacuation, or basement water suction.
How to install the Unilift AP35 pump?
Install the pump at the bottom of the sump or area to be drained, ensuring it is stable and upright. Connect the discharge hose to the outlet. Plug in the 230 V power supply. Start-up can be automatic with the float or manual.
What is the maximum head?
The maximum head is approximately 7 meters. Beyond that, the flow rate decreases. Refer to the flow-head curve in the manual for exact performance.
Can the pump run dry?
No, the pump must not run dry. This would damage the motor. It is protected by a thermal device that cuts off power in case of overheating, but it is best to install a dry-run protection system.
How to maintain the Unilift AP35 pump?
Regularly clean the suction strainer to avoid blockages. Check the condition of the float and cable. If the pump is used in dirty water, rinse it with clean water after use.
What is the maximum temperature of the pumped water?
The water temperature must not exceed 40 °C. Above that, the motor may overheat.
Can I use the pump continuously?
The pump is designed for intermittent operation. For continuous use, follow the on/off cycles indicated in the manual (usually 10 minutes on, 5 minutes off).
What if the pump does not start?
Check the power supply (fuse, circuit breaker). Make sure the float is free and in the high position. If the problem persists, the motor might be in thermal protection: wait for it to cool down. Refer to the manual for further diagnostics.
Where can I find spare parts for the Unilift AP35?
Spare parts (seals, valve, float, capacitor) are available from authorized Grundfos dealers or on their website. For repairs, call a qualified technician.
Is the pump under warranty?
Yes, the Grundfos Unilift AP35 pump has a 2-year manufacturer's warranty (except special conditions). Keep the purchase invoice and follow the usage conditions.
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USER MANUAL Unilift AP35 Grundfos
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Product information
Brand : Grundfos
Model : Unilift AP35
Category : Water pump