Filter and sort
What is a hybrid pool filter and what is it used for?
A hybrid pool filter combines a filtration pump and electronics capable of operating with photovoltaic solar and, when necessary, with 230 V single-phase AC. This ensures the required flow rate/head to keep the pool in optimal condition even with low irradiation. In our catalog, you will find Lorentz PS2 solutions converted to hybrid using PowerPack (PP2000S, PP4000AC, PP600H) and ZIRI XKP “AD” units (e.g., XKP20-19-110-1200-AD), as well as pure solar lines PS2/XKP/FCP and AC options.
Advantages and limitations
- Savings + continuity: prioritizes PV and switches to 230 V single-phase to complete cycles on cloudy days or during periods of higher use.
- Simple integration: MPPT control in PS2 and ZIRI “AD” control with dry run protection and automation.
- Scalable: adapts PV power or operating windows according to the season.
- Limitations: requires correct configuration of switching and sizing of the PV array and DC/AC protections.
Applications
- Residential and community pools seeking to reduce consumption without losing availability.
- Off-grid installations with generator/grid backup at 230 V single-phase.
- Complexes with extended hours (more swimming hours) or variable dirt loads.
How to choose your hybrid pool filter
- Pool volume and turnovers/day: determine the target flow rate (m³/h) based on the solar working hours.
- TDH (m): add circuit losses (filter, valves, pipes) + static head. Select by the model’s flow–head curve with margin.
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Architecture:
- PS2 + PowerPack: PS2 kits (e.g., PS2-600 CS-17-1, PS2-1800 CS-37-1) are hybridized with PowerPack, incorporating 230 V single-phase input.
- ZIRI XKP “AD”: units with “AD” control that accept solar DC and 230 V single-phase backup (e.g., XKP20-19-110-1200-AD, XKP27-19-150-1200-AD).
- Compatibility: pipe diameter, filter connection, and allowable losses; consider pre-filters/strainers.
Indicative specifications
| Typical flow rate | 12–36 m³/h (depending on model and pool size) |
| Total head | 9–27 m (includes filter and pipe losses) |
| Power supply | Priority solar DC + 230 V single-phase backup |
| Control | MPPT (PS2), ZIRI “AD” controller, DC/AC switching management |
| Protections | Dry (probes), thermal, DC/AC surge, non-return |
| Catalog | PS2 hybridizable with PowerPack; ZIRI XKP “AD”. Lorentz PU units are listed in spare parts |
Best practices
- Schedule filtration during the period of highest irradiation and use backup only when necessary.
- Set switching setpoints to 230 V (minimum irradiation/flow) and protections (PV isolator, circuit breaker/RCBO, surge DC/AC).
- Keep skimmers and pre-filter clean to reduce losses; check pressure on the filter manometer.
- Size the PV array and cabling to limit voltage drop and ensure useful hours during the season.
Comparisons and related links
If you always have grid access and seek simplicity, see AC pool filters. If you prioritize minimum consumption and accept operating only during solar hours, choose solar pool filters. To move water outside the pool circuit (transfers/irrigation), see surface pumps. Accessories and protections in Accessories and components in Spare Parts. Return to Pool Filters or Water Pumps.
