Calpeda's new NCE EI circulator, designed to deliver significant energy savings, combines new hydraulics and a sophisticated permanent magnet synchronous motor to deliver efficiency above the current Class A standard.

Execution

High energy efficiency variable speed circulator driven by frequency converter permanent magnet synchronous motor to meet the operating demand of small domestic heating systems. Brass or cast iron fittings on request.

Advantages

• Significant energy savings
• Low operating flow
• Smart pump
• Proportional curve
• Constant curve
• Low noise level • Precise duty
point adjustment
• Compact dimensions
• Self-cleaning working chamber

Benefits for the distribution network

• One circulation pump for installation and control
• Savings in transport and storage costs
• Simplification of work with spare parts. parts

Technical data

- liquid temperature from +2°С to +95°С
- maximum air temperature: from +2°С to +40°С
- maximum pressure: 6 bar
- Storage conditions: from -20°С to +70°С, relative humidity 95% at +40°C
- Marking: in accordance with the requirements of the EU marking
- Sound pressure: max. 43 dB(A)
- Minimum suction pressure: 0.5 bar at 95°C
- Maximum amount of glycol: 40%
- Electromagnetic compatibility according to EN 55014-1, EN 61000-3-2, EN 55014-2
- Threaded connections according to ISO 228:G 1 1/2, G 2

Engine

Permanent magnet synchronous motor
- Motor speed: variable speed
- Mains voltage: single phase 230 V (-10%;+6%)
- Frequency: 50 Hz
- Protection class: IP 44
- Insulation class: H
- Class II device
- Overload protection (locked rotor): automatic protection with electronic
unblocking of the rotor 2) protection by means of a thermal protector
- Cable: live and neutral wire
- Execution according to EN 60335-1, EN 60335-2-51.

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Circulation pumps NCE EI - NCES