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| Product design type | Glandless premium smart twin-head pump | Glandless standard high-efficiency pump | Existing pump |
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| Description | |
| Product description | Stratos MAXO-D 50/0,5-9 PN 6/10 | Yonos MAXO-D 50/0,5-9 PN 6/10 | NZBZ 50-2 S |
| Article number | 2164654 | 2120667 | - |
| Series | Wilo-Stratos MAXO-D | Wilo-Yonos MAXO-D | - |
| Mains connection | 1~230 V ±10%, 50/60 Hz | 1~230 V ±10%, 50/60 Hz | - |
| Port-to-port length | 280 mm | 280 mm | 270 mm |
| Pump connection | DN 50 | DN 50 | - |
| Display | Graphic colour display (4.3 inches) | LED segment display | - |
| Comment | Change piping
Check electrical connection | Change piping
Check electrical connection | - |
| Function | |
| Control mode | Δp-v for variable differential pressure | Δp-v for variable differential pressure | - |
| Δp-c for constant differential pressure | Δp-c for constant differential pressure | - |
| Q limit for limiting the maximum volume flow | - | - |
| Dynamic Adapt plus | - | - |
| ΔT-const. for constant differential temperature control | - | - |
| T-const. for constant temperature control | - | - |
| Constant Q for constant volume flow control | - | - |
| Multi Flow Adaptation | - | - |
| Δ T-const. for constant differential temperature control | - | - |
| User-defined PID control | - | - |
| Constant speed (n-const.) | - | - |
| - | Constant speed (3 speed stages) | - |
| Special features of the series | Heating/Cooling switching | - | - |
| Night set back | - | - |
| Heat quantity measurement | - | - |
| Cooling quantity measurement | - | - |
| Key locking function | - | - |
| No-Flow Stop | - | - |
| Reset function to factory setting | - | - |
| Adjustable volume flow limiter | - | - |
| Ability to save and restore configured pump settings (3 restoration points) | - | - |
| Fault message and warning message in plain text including suggested remedy | - | - |
| Multi pump operation | Main/Standby | Main/Standby | - |
| Parallel operation | - | - |
| Measurement value logging | Heat and cooling capacity measurement | - | - |
| Display | Setpoint | Setpoint | - |
| Actual delivery head | - | - |
| Actual volume flow | - | - |
| Actual power consumption | - | - |
| Energy consumption | - | - |
| Temperature (version “-R7”: current fluid temperature possible with Stratos MAXO temperature sensor) | - | - |
| Warning messages in plain text (display status: yellow) | - | - |
| Error messages in plain text (display: red) | - | - |
| Pump venting (display status: blue) | - | - |
| Control mode | - | - |
| Active influences (e.g. STOP) | - | - |
| Display (can also be selected) | Speed | - | - |
| Heating quantity | - | - |
| Cooling quantity | - | - |
| Operating hours | - | - |
| Mains voltage | - | - |
| Warning message | - | - |
| Error message | - | - |
| Pump venting function | Yes | - | - |
| Dry-running detection | yes | - | - |
| Equipment | |
| Thermal insulation shell | No | - | - |
| Cold water insulation shell | No | - | - |
| Quick electrical connection | Wilo Connector | Wilo plug | - |
| Blocking-current proof motor | yes | - | - |
| Particle filter | yes | - | - |
| Key lock | yes | - | - |
| Fluid temperature sensor | Integrated | - | - |
| Connectivity | |
| Analogue signal as standard | 0-10 V | - | - |
| 2-10 V | - | - |
| 4-20 mA | - | - |
| 0-20 mA | - | - |
| PT1000 | - | - |
| Digital output | SSM | - | - |
| SBM | - | - |
| - | SSM/SBM (via accessories Connect module Yonos MAXO) | - |
| Digital input | Ext. OFF | - | - |
| Ext. MIN | - | - |
| Ext. MAX | - | - |
| MANUAL (BMS-OFF) | - | - |
| Key lock | - | - |
| Switchover between heating/cooling mode | - | - |
| - | Ext. OFF (via accessories Wilo-Connect module Yonos MAXO) | - |
| Bus communication via additional accessories | BACnet MS/TP | - | - |
| LON | - | - |
| Modbus RTU | - | - |
| CANopen | - | - |
| PLR | - | - |
| BACnet IP | - | - |
| Modbus TCP | - | - |
| Access via the Wilo-Assistant app | Yes | - | - |
| Connection for Wilo-Smart Cloud | Via Wilo-Smart Gateway | - | - |
| wire data exchange and remote operation | Bluetooth | - | - |
| Motor data | |
| Phases | 1 | 1 | 3 |
| Mains connection | 1~230 V, 50/60 Hz | 1~230 V, 50/60 Hz | 3~400 V, 50 Hz |
| Energy efficiency index (EEI) %%fn=footnote%% | ≤0.17 | ≤0.23 | - |
| Min current | 0.2 A | 0.17 A | - |
| Max current | 2.4 A | 2.15 A | - |
| Rated power | 456 W | 400 W | - |
| Min. speed | 650 1/min | 950 1/min | - |
| Max. speed | 3050 1/min | 4100 1/min | - |
| Power consumption | 10 W | 15 W | - |
| Power consumption | 550 W | 490 W | - |
| Emitted interference | EN 61800-3;2004+A1;2012 /residential area (C1) | EN 61800-3;2004+A1;2012 /residential area (C1) | - |
| Interference resistance | EN 61800-3;2004+A1;2012 /industrial environment (C2) | EN 61800-3;2004+A1;2012 /industrial environment (C2) | - |
| Insulation class | F | F | - |
| Protection class | IPX4D | IPX4D | - |
| Materials | |
| Bearing | Carbon, antimony-impregnated | Carbon, metal-impregnated | - |
| Pipe connection | |
| Inlet connection | DN 50 | DN 50 | DN 50 |
| PN connection on suction side | PN 6/10 | PN 6/10 | PN 6/10 |
| Outlet connection | DN 50 | DN 50 | DN 50 |
| PN connection on discharge side | PN 6/10 | PN 6/10 | PN 6/10 |
| Dimension, weight | |
| Length with packaging | 800 mm | 525 mm | - |
| Length | 280 mm | 280 mm | - |
| Height with packaging | 394 mm | 375 mm | - |
| Height | 404 mm | 413 mm | - |
| Width with packaging | 600 mm | 385 mm | - |
| Width | 490 mm | 310 mm | - |
| Gross weight, approx. | 41.1 kg | 28.9 kg | - |
| Net weight, approx. | 36.6 kg | 26.4 kg | - |
| Ordering information | |
| Product description | Stratos MAXO-D 50/0,5-9 PN 6/10 | Yonos MAXO-D 50/0,5-9 PN 6/10 | NZBZ 50-2 S |
| Brand | Wilo | Wilo | Biral |
| EAN number | 4048482699967 | 4048482274911 | - |
| Article number | 2164654 | 2120667 | - |
| Price (excl. VAT) | EUR 6,780.- | EUR 5,790.- | - |
