CronoTwin-DL-E is an electronically controlled, glanded double pump of in-line design with a flange connection and automatic power adjustment.

It is used for pumping heating water (in accordance with VDI 2035), water-glycol mixtures and cooling and cold water without abrasive substances in heating, cold water and cooling water systems.

Key features / benefits

  • Motors with IE2 technology for higher efficiency fitted as standard
  • Energy savings due to integrated electronic control
  • Simple operation with red-button technology and display
  • Various operating modes: main/standby operation and parallel operation
  • Configurable signal relays for run and fault signals
  • Configurable fault response tailored to HVAC applications
  • Access disable on the pump
  • Integrated full motor protection (PTC thermistor sensor) with trip electronics
  • Functions and operation identical to Wilo-VeroTwin-DP-E
  • High standard of corrosion protection thanks to cataphoretic coating
  • Condensate drainage holes as standard

Technical data

  • Permissible temperature range of -20 to +140°C
  • Mains connection
  • 3~440V ±10%, 50/60Hz
  • 3~400V ±10%, 50/60Hz
  • 3~380V -5% +10 %, 50/60Hz
  • Protection class IP 55
  • Nominal diameter DN 40 to DN 200
  • Max. operating pressure 16 bar

Materials

  • Pump housing and lantern: EN-GJL-250
  • Impeller:
    - Standard version: EN-GJL-200
    - Special version: Bronze CuSn 10
  • Shaft: 1.4122
  • Mechanical seal: AQEGG; other mechanical seals on request