Wilo YONOS PICO 30/1-4 Circulator Instruction Manual

1. Introduction

This instruction manual provides essential information for the safe and efficient installation, operation, and maintenance of the Wilo YONOS PICO 30/1-4 glandless circulator pump. Please read this manual thoroughly before installation and operation to ensure proper function and to prevent potential hazards.

The Wilo YONOS PICO 30/1-4 is designed for heating systems and similar applications, featuring a blocking-current proof EC motor and integrated electronic power control for optimized energy efficiency and maximum operating comfort.

2. Safety Information

General Safety Instructions:

Installation and maintenance must be performed by qualified personnel only.
Disconnect the power supply before any installation, maintenance, or repair work.
Ensure the electrical connection complies with local regulations and standards.
Do not operate the pump if it is damaged or if the power cable is frayed.
Protect the pump from freezing temperatures.
Always follow the instructions provided in this manual to prevent injury or damage to the equipment.

3. Setup and Installation

The Wilo YONOS PICO 30/1-4 is designed for quick and easy installation and fluid exchange due to its optimized construction.

3.1 Mechanical Installation

The circulator features a screwed connection. Ensure proper alignment and secure fastening to the piping system. Refer to the dimension diagram for precise measurements and installation planning.

Wilo YONOS PICO 30/1-4 Circulator Dimensions Diagram — **Figure 1:** Wilo YONOS PICO 30/1-4 Circulator Dimensions. This diagram illustrates the physical dimensions of the pump, including connection sizes (G 2) and overall height (180 mm), width (93.5 mm), and depth, crucial for proper mechanical installation and space planning.

3.2 Electrical Connection

The pump operates on 240 Volts AC. Connect the pump to the electrical supply according to the wiring diagram provided. Ensure correct polarity (L for Live, N for Neutral) and proper grounding (PE for Protective Earth). The pump includes a connection plug for ease of wiring.

Wilo YONOS PICO 30/1-4 Circulator Wiring Diagram — **Figure 2:** Electrical Wiring Diagram for Wilo YONOS PICO. This diagram shows the connections for Live (L), Neutral (N), and Protective Earth (PE), indicating a single-phase motor (2 poles - single-phase 230 V, 50 Hz) with self-protection.

4. Operating Instructions

The Wilo YONOS PICO 30/1-4 offers maximum operating comfort through its Green Button technology, intuitive user interface, and intelligent settings.

4.1 Initial Start-up and Settings

Upon initial power-up, the pump will perform a self-check. Use the Green Button and the intuitive interface to select desired operating modes and settings. The pump allows for settings with a precision of 0.1 meters and displays current power consumption, enabling optimized energy efficiency.

Wilo YONOS PICO 30/1-4 Circulator with Control Panel — **Figure 3:** Wilo YONOS PICO 30/1-4 Circulator. This image displays the main unit with its integrated control panel, featuring the "Green Button" and digital display for operational feedback and settings adjustment.

4.2 Operating Modes

The pump offers various operating modes to suit different system requirements. Consult the on-screen interface for available options and their descriptions. The integrated electronic power control automatically adjusts performance to maintain optimal system efficiency.

4.3 Performance Curves

The following graphs illustrate the performance characteristics of the Wilo YONOS PICO 30/1-4 under various operating conditions.

Wilo YONOS PICO 30/1-4 Head-Flow Curve — **Figure 4:** Head-Flow Curve (Heuteur de refoulement). This graph shows the relationship between the pump's head (H/m) and flow rate (Q/m³/h), indicating the pump's capacity to move fluid against resistance.

Wilo YONOS PICO 30/1-4 Efficiency Curve — **Figure 5:** Overall Efficiency Curve (Rendement global). This graph illustrates the pump's total efficiency (η tot / %) across different flow rates (Q/m³/h), highlighting its energy performance.

Wilo YONOS PICO 30/1-4 Power Consumption Curve — **Figure 6:** Absorbed Power Curve (Puissance absorbée P1). This graph displays the electrical power consumed by the pump (P1/kW) at various flow rates (Q/m³/h), providing insight into its energy usage.

5. Maintenance

The Wilo YONOS PICO 30/1-4 is designed for easy maintenance and high operational reliability.

Automatic Restart: The pump features an automatic restart function to recover from temporary interruptions.
Manual Pump Ventilation: In case of air in the system, use the manual pump ventilation function to release trapped air and ensure smooth operation. Refer to the pump's interface or specific instructions for activating this function.
Cleaning: Keep the exterior of the pump clean and free from dust and debris to ensure proper heat dissipation.
Inspections: Periodically check for any leaks, unusual noises, or vibrations. Address any issues promptly.

6. Troubleshooting

This section provides general guidance for common issues. For complex problems, contact qualified service personnel.

Pump not starting:
- Check power supply and electrical connections.
- Ensure the pump is not air-locked; use the manual ventilation function.
- Verify that the operating mode is correctly selected.
Reduced flow or pressure:
- Check for blockages in the piping system or pump impeller.
- Ensure system pressure is adequate.
- Perform manual pump ventilation to remove air.
Unusual noises:
- Check for air in the system (vent the pump).
- Inspect for foreign objects in the pump.
- Ensure the pump is securely mounted.

7. Specifications

Key technical specifications for the Wilo YONOS PICO 30/1-4 circulator pump:

Feature	Specification
Brand	Wilo
Model Number	4215519
Product Dimensions (L x W x H)	13.16 x 10.18 x 18 cm
Weight	2 Kilograms
Color	Green
Material	Metal
Power Type	AC
Voltage	240 Volts
Amperage	125 A
Maximum Pressure	10 Bars
Included Components	Connection plug
International Article Code (EAN)	04048482758510

Wilo YONOS PICO 30/1-4 Energy Label — **Figure 7:** Energy Efficiency Label. This label indicates the energy efficiency class of the Wilo YONOS PICO, typically showing a high rating (e.g., A) for optimized energy consumption.

8. Warranty and Support

For warranty information, please refer to the documentation provided with your purchase or contact Wilo customer service. Ensure you retain your proof of purchase for any warranty claims.

For technical support, spare parts, or service inquiries, please contact your local Wilo representative or authorized service center. You can find contact information on the official Wilo website.