CronoTwin-DL-E in-line glanded double pump

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