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Wilo-CronoTwin-DL-E
Installation and Operating Instructions  »

Electronically controlled glanded twin-head pump, inline design with flange connection and automatic output adaption

For pumping cold and hot water (according to VDI 2035) without abrasive substances in heating water, cold water and cooling water systems
Special features/Product advantages
  • Control mode Δp-c for constant differential pressure and Δp-v for variable differential pressure at the pump
  • Remote speed control (0–10 V/0–20 mA)
  • Red button technology for very easy operation
  • Three-phase current connection 3~400 V/50 Hz and 3~380 V/60 Hz
  • Integrated full motor protection (PTC thermistor detector) with trip electronics
  • Infrared interface (IR monitoring)
  • Optional interfaces via retrofittable IF module for LON or PLR bus communication
Wilo-CronoTwin-DL-E
Technical data

  • Permitted temperature range -20 °C to +140 °C
  • Mains connection 3~400 V, 50 Hz
  • Protection class IP 54
  • Nominal width DN 40 to DN 80
  • Max. operating pressure 16 bar
Description/Design
Single-stage low pressure twin-head pump, inline design with
  • change-over damper
  • Mechanical seal
  • Flange connection
  • Lantern
  • Coupling
  • Motor with integrated electronic speed control
Materials
  • Pump housing and lantern: EN-GJL-250
  • Impeller: Standard version: EN-GJL-200; Special version: G-CuSn 10
  • Shaft: 1.4122
  • Mechanical seal: AQ1EGG; other mechanical seals on request
Scope of delivery
  • Pump
  • Installation and operating instructions
Wilo-CronoTwin-DL-E
Dynamic name Name Nominal size 1-phase / 3-phase Rated power 
DL-E 80/5-22 R1 DN 80  PN 16 3~ 400 V 7,5 kW 
DL-E 80/5-22 PLR DN 80  PN 16 3~ 400 V 7,5 kW 
DL-E 80/5-22 LON DN 80  PN 16 3~ 400 V 7,5 kW 
DL-E 65/6-24 R1 DN 65  PN 16 3~ 400 V 5,5 kW 
DL-E 65/6-24 PLR DN 65  PN 16 3~ 400 V 5,5 kW 
DL-E 65/6-24 LON DN 65  PN 16 3~ 400 V 5,5 kW 
DL-E 50/10-36 R1 DN 50  PN 16 3~ 400 V 7,5 kW 
DL-E 50/10-36 PLR DN 50  PN 16 3~ 400 V 7,5 kW 
DL-E 50/10-36 LON DN 50  PN 16 3~ 400 V 7,5 kW 
DL-E 40/9-39 R1 DN 40  PN 16 3~ 400 V 5,5 kW 
DL-E 40/9-39 PLR DN 40  PN 16 3~ 400 V 5,5 kW 
DL-E 40/9-39 LON DN 40  PN 16 3~ 400 V 5,5 kW