Calpeda Circulating Pumps

High efficiency variable speed energy ciculating pumps for domestic hot water. larger Circulators for building services applications also available.

Construction

Only one high efficiency, energy saving variable speed circulating pump drived by a permanent magnet synchronous motor (pm) controlled by one on board inverter suitable for small domestic heating systems. Brass or cast iron unions on request.

Benefits

  • high savings
  • low consumption
  • intelligent pump
  • proportional curve
  • constant curve
  • low noise
  • easy adjustement of right working point
  • compact dimensions
  • self cleaning

Benefits to distribution

  • only one circulating pump to use and install
  • less trasportation and logistic cost
  • less spare parts requirement

Technical data

  • Liquid temperature from +2 °C to +95 °C
  • Ambient temperature from 0 °C to +40 °C
  • Maximum permissible working pressure: 6 bar
  • Storage: -20°C/+70°C max. relative humidity 95% at 40 °C
  • Certifications: in conformity with CE requirements
  • Sound pressure ≤ 43 dB (A).
  • Minimum suction pressure: 0,5 bar at 95 °C
  • Maximum glycol quantity: 40%
  • EMC according to: EN 55014-1, EN 61000-3-2, EN 55014-2
  • Connections: threaded ports ISO 228: G 1 1/2, G 2

Motor

Synchronous motor with permanent magnet.

  • Motor: variable speed
  • Standard voltage: single-phase 230 V (-10%;+6%)
  • Frequency: 50 Hz
  • Protection: IP 44
  • Insulation class: H
  • Class II appliance
  • Overload protection (jammed rotor):
    • Automatic protection with electronic rotor release
    • Overload thermal protector
  • Cable: phases and neutral
  • Constructed in accordance with: EN 60335-1, EN 60335-2-51
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