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| Product design type | Glandless premium high-efficiency pump | Glandless high-efficiency pump |
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| Description | |
| Product description | Stratos PICO-Z 25/0,5-4 | Stratos PICO-Z 25/1-4 PN 10 |
| Article number | 4255433 | 4216472 |
| Series | Wilo-Stratos PICO-Z | - |
| Mains connection | 1~230 V ±10%, 50/60 Hz | 1~230 V ±10%, 50/60 Hz |
| Port-to-port length l0 | 180 mm | 180 mm |
| Pump connection | G 1½ | G 1½ |
| Pump connection (alternative designation) | RP 1 | RP 1 |
| DN 25 | DN 25 |
| Display | Graphic colour display (2 inches) | LCD display |
| Comment | Fits without modifications | - |
| Function | |
| Control mode | Δp-c for constant differential pressure | - |
| T-const. for constant temperature control | T-const. for constant temperature control |
| Constant speed (n-const.) | - |
| - | Δp-v for variable differential pressure |
| Special features of the series | Mode for pressure-independent control valves (PICV) | - |
| Key locking function | - |
| Reset function for electricity meter | - |
| Reset function to factory setting | - |
| Qmin for T const. control mode | - |
| Automatic detection of thermal disinfection | - |
| - | Night set back |
| - | Detection of thermal disinfection |
| Display | Setpoint | Setpoint |
| Actual delivery head | - |
| Actual volume flow | Actual volume flow |
| Actual power consumption | Actual power consumption |
| Energy consumption | Energy consumption |
| Actual speed | - |
| Manually activated restart or pump venting function | - |
| Warning messages in plain text (display status: yellow) | - |
| Error messages in plain text (display: red) | - |
| Control mode | - |
| Active influences (e.g. STOP) | - |
| - | Temperature |
| Pump venting function | Manual | - |
| Dry-running detection | yes | - |
| Equipment | |
| Thermal insulation shell | Yes | Yes |
| Quick electrical connection | Wilo Connector | Wilo Connector |
| Blocking-current proof motor | yes | - |
| Key lock | yes | - |
| Operating elements | Green button and back button | - |
| Connectivity | |
| Analogue signal as standard | 0-10 V (via BMS Connect module accessories) | - |
| Digital output | SSM/SBM (via BMS Connect module accessories) | - |
| Digital input | Ext. OFF/Ext. MIN/ Ext. MAX (via BMS Connect module accessories) | - |
| Access via the Wilo-Assistant app | Via accessory Wilo-Smart Connect Module BT | - |
| wire data exchange and remote operation | Via accessories Wilo-Smart Connect Module BT | - |
| Motor data | |
| Phases | 1 | 1 |
| Mains connection | 1~230 V, 50/60 Hz | 1~230 V, 50/60 Hz |
| Rated power P2 | 15 W | 16 W |
| Min. speed nmin | 700 1/min | 1200 1/min |
| Max. speed nmax | 3400 1/min | 3500 1/min |
| Power consumption P1 min | 3 W | 3 W |
| Power consumption P1 max | 20 W | 25 W |
| Emitted interference | EN 61000-6-3 | EN 61000-6-3 |
| Interference resistance | EN 61000-6-2 | EN 61000-6-2 |
| Electromagnetic compatibility | EN 61800-3 | EN 61800-3 |
| Insulation class | F | F |
| Protection class | IPX4D | IPX4D |
| Materials | |
| Material | 1.4409 | 1.4409 |
| Impeller | PPO-GF30 | PPE-GF30 |
| Shaft | Oxide ceramic | Stainless steel |
| Bearing | Carbon-graphite | Carbon, synthetic resin-impregnated |
| Pipe connection | |
| Inlet connection | G 1½ | G 1½ |
| PN connection on suction side | PN 10 | PN 10 |
| Outlet connection | G 1½ | G 1½ |
| PN connection on discharge side | PN 10 | PN 10 |
| Dimension, weight | |
| Length with packaging | 194 mm | 194 mm |
| Length L | 180 mm | 180 mm |
| Height with packaging | 121 mm | 121 mm |
| Height H | 115 mm | 116 mm |
| Width with packaging | 213 mm | 213 mm |
| Width W | 164 mm | 186 mm |
| Gross weight, approx. m | 2.1 kg | 2.2 kg |
| Net weight, approx. m | 1.8 kg | 1.9 kg |
| Ordering information | |
| Product description | Stratos PICO-Z 25/0,5-4 | Stratos PICO-Z 25/1-4 PN 10 |
| Brand | Wilo | Wilo |
| EAN number | 4062679266077 | 4048482755090 |
| Article number | 4255433 | 4216472 |
DWG (1 MB)