Impeller pump Yonos PICO series

for hot waterwith brushless DC motornormal priming

Product type
Glandless (wet‑rotor) circulator with screwed connection and integrated electronic power control.

Short description
The Yonos PICO series offers a compact, easy‑to‑install circulator for hot‑water heating, air‑conditioning and light industrial circulation systems. Green Button Technology with intuitive pictograms accelerates commissioning for radiator and underfloor heating presets. EC motor technology and precise settings (0.1 m) enable low power consumption with live power and flow display. Compact construction simplifies replacement and maintenance.

Key features

• Green Button Technology for quick, intuitive commissioning and maintenance
• Optimised energy efficiency via blocking‑current proof EC motor and precise 0.1 m settings
• Display of current power consumption and flow for system diagnostics
• Compact, standardised design enabling fast pump replacement
• Automatic and manual restart plus pump venting routine for easier maintenance

Product variations (selection)
Yonos PICO 15/1-4 | G 1 | RP 1/2, DN 15 | ≤ 0.18 | 130 mm | 10 bar | 1~230 V, 50/60 Hz | 1.8 kg | 198 | 4215511
Yonos PICO 15/1-6 | G 1 | RP 1/2, DN 15 | ≤ 0.20 | 130 mm | 10 bar | 1~230 V, 50/60 Hz | 1.8 kg | 198 | 4215512
Yonos PICO 25/1-4 | G 1½ | RP 1, DN 25 | ≤ 0.18 | 180 mm | 10 bar | 1~230 V, 50/60 Hz | 2.1 kg | 198 | 4215513
Yonos PICO 25/1-4-130 | G 1½ | RP 1, DN 25 | ≤ 0.18 | 130 mm | 10 bar | 1~230 V, 50/60 Hz | 1.9 kg | 198 | 4215514
Yonos PICO 30/1-8 | G 2 | RP 1 1/2, DN 30 | ≤ 0.23 | 180 mm | 10 bar | 1~230 V, 50/60 Hz | 2.4 kg | 198 | 4215521

Design / Application / Equipment & functions
Design: wet‑rotor circulator with screwed connection, blocking‑current proof EC motor and integrated electronic power control. Application: hot‑water heating systems, air‑conditioning, industrial circulation systems. Equipment: wrench attachment on pump body, quick electrical connection with Wilo‑Connector, particle filter, manual restart and venting routine.

Operating modes

• Constant differential pressure
• Variable differential pressure
• Constant speed (three control curves)

Manual functions

• Mode selection according to application (radiator / underfloor presets)
• Setting of pump output (delivery head)
• Setting of constant speed
• Pump venting function
• Manual restart

Automatic functions

• Infinitely variable power adjustment according to selected mode
• Automatic restart after fault
• Dry‑run detection

Signal and display functions

• Display of power consumption (W)
• Display of current flow (m³/h)
• Display of delivery head for setting
• Fault indication (error codes)
• Display of manual restart or venting activation

Product features (additional)

• Green Button Technology
• Intuitive interface with standard symbols
• Compact standardized design
• Direct access to Wilo‑Connector and motor screws
• Display of fault messages and diagnostics

Logos / Certifications / Recommended services
Product available with certification marks and recommended services such as system optimisation and energy solutions; see product documentation.

Datasheets & Documentation (high level)
Installation and operating instructions, Quick Guide, Product Flyer and Group Statement REACH are available as downloads.

Technical specifications

• Fluid temperature: -10 °C to +95 °C
• Mains connection: 1~230 V, 50/60 Hz
• IP rating: IPX4D
• Screwed connections: G1, G1½, G2
• Maximum operating pressure: 10 bar
• Pump housing: Grey cast iron (EN‑GJL‑200); impeller: PP (40% GF); shaft: stainless steel; bearing: carbon metal‑impregnated
• Scope of delivery: pump, Wilo‑Connector, gaskets for threaded connection, installation and operating instructions
• Options: short port‑to‑port length versions (...‑130); accessories: screwed connections, adapter fittings, thermal insulation