Star-Z NOVA - Heat pump Wilo - Free user manual and instructions
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| Product Type | High-efficiency circulator pump for heating and heat pump systems |
| Model | Wilo Star-Z NOVA |
| Brand | Wilo |
| Application | Heating circuits, underfloor heating, heat pump systems |
| Power Consumption | 4 – 180 W (depending on setting) |
| Max. Head | Up to 12 m |
| Max. Flow Rate | Up to 8 m³/h |
| Operating Voltage | 230 V ~ 50/60 Hz |
| Protection Class | IP44 |
| Insulation Class | F |
| Ambient Temperature Range | 0 °C to 40 °C |
| Fluid Temperature Range | −10 °C to 110 °C |
| Max. Operating Pressure | 10 bar |
| Pump Casing Material | Gray cast iron (EN-GJL-250) |
| Impeller Material | Polypropylene (PP) with glass fibers |
| Shaft Material | Stainless steel |
| Bearing Material | Carbon |
| Control Type | Stepless differential pressure control (Δp‑v, Δp‑c) |
| Display | LED operating indicator |
| Installation Length | 130 mm or 180 mm (depending on version) |
| Connection Size | G 1½ or G 2 (depending on version) |
| Weight | Approx. 2.5 – 3.5 kg (depending on version) |
| Energy Efficiency Index (EEI) | ≤ 0.20 (ErP compliant) |
| Maintenance | Sealed, maintenance‑free (no shaft seal maintenance) |
| Safety Features | Thermal overload protection, dry‑run protection |
Frequently Asked Questions - Star-Z NOVA Wilo
What is the Wilo Star-Z NOVA used for?
The Wilo Star-Z NOVA is a high‑efficiency circulator pump designed for heating systems, underfloor heating, and heat pump circuits. It ensures optimal flow and energy savings.
Is the Wilo Star-Z NOVA suitable for heat pump systems?
Yes, it is specifically designed for use in heat pump systems, providing efficient circulation of water or water‑glycol mixtures.
How do I set the operating mode on the Star-Z NOVA?
The pump features stepless differential pressure control. You can select between constant pressure (Δp‑c) and variable pressure (Δp‑v) modes via a DIP switch inside the terminal box.
Does the pump require maintenance?
No, the Star-Z NOVA is a sealed, glandless circulator pump. It is maintenance‑free under normal operating conditions.
What is the energy efficiency class of the Wilo Star-Z NOVA?
The pump meets ErP Directive requirements, with an Energy Efficiency Index (EEI) ≤ 0.20, corresponding to the highest efficiency class (A).
Can I install the pump in any orientation?
The pump shaft must be installed horizontally to ensure proper lubrication and cooling. Consult the manual for exact orientation requirements.
What is the maximum fluid temperature the pump can handle?
The Star-Z NOVA can handle fluid temperatures from −10 °C up to 110 °C.
Is the pump noisy?
No, the pump operates very quietly thanks to its glandless motor and hydraulic optimization. Noise levels are typically below 40 dB(A).
What protections does the pump have?
It includes thermal overload protection, dry‑run protection, and is protected against splash water (IP44).
Where can I find spare parts for the Star-Z NOVA?
Spare parts such as the control module or capacitor are available through authorized Wilo service centers or the manufacturer’s online shop.
User questions about Star-Z NOVA Wilo
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USER MANUAL Star-Z NOVA Wilo
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Product information
Brand : Wilo
Model : Star-Z NOVA
Category : Heat pump