Wilo-CronoLine-dL-E

Electronically controlled glanded twin-head pump in in-line design with flange connection and automatic power adjustment.

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  • Description

    Electronically controlled glanded twin-head pump in in-line design with flange connection and automatic power adjustment.

  • Advantages
    • Energy savings due to integrated electronic power adjustment
    • Simple operation with Green Button Technology and display
    • Various operating modes: main/standby operation and parallel operation
    • Configurable fault response tailored to HVAC applications
    • Integrated full motor protection (PTC thermistor sensor) with trip electronics
  • Technical Features

    Design

    Electronically controlled glanded twin-head pump in in-line design with flange connection and automatic power adjustment.

     

    Application
    • Pumping of heating water (acc. to VDI 2035), chilled water and water/glycol mixtures without abrasive substances in heating, chilled water and cooling systems.

     

    Typekey

    Example DL-E 50/170-7.5/2-R1
    DL-E In-line double pump with electronic control
    50 Nominal diameter DN of the pipe connection
    170 Nominal impeller diameter
    7.5 Rated motor power P2 in kW
    2 Number of poles
    R1 Version without pressure sensor

     

    Technical data

    • Permissible temperature range of -20 °C to +140 °C
    • Mains connection
      • 3~440 V ±10 %, 50/60 Hz
      • 3~400 V ±10 %, 50/60 Hz
      • 3~380 V -5 % +10 %, 50/60 Hz
    • Compliance with electromagnetic compatibility without additional measures:
      • Interference emission for residential environment according to EN 61800-3:2018
      • Interference immunity for industrial environments according to EN 61800-3:2018
    • Protection class IP55
    • Nominal diameter DN 40 to DN 200
    • Max. operating pressure 16 bar up to +120 °C, 13 bar up to +140 °C

     

    Equipment/function

    Operating modes

    • Δp-c for constant differential pressure
    • Δp-v for variable differential pressure
    • PID control
    • Constant speed (n=constant)

    Manual operation level

    • Green button and display

    Manual functions

    • Differential pressure setpoint setting
    • Setting the speed (manual control mode)
    • Setting the operating mode
    • Setting the pump ON/OFF
    • Configuration of all operating parameters
    • Fault acknowledgement

    External control functions

    • “Overriding Off” control input
    • “External pump cycling” control input (effective only in dual pump operation)
    • Analogue input 0 – 10 V, 0 – 20 mA for constant speed (DDC) and remote setpoint adjustment
    • Analogue input 2 – 10 V, 4 – 20 mA for constant speed (DDC) and remote setpoint adjustment
    • Analogue input 0 – 10 V for actual value signal from pressure sensor
    • Analogue input 2 – 10 V, 0 – 20 mA, 4 – 20 mA for actual value signal from pressure sensor

    Signal and display functions

    • Collective fault signal SSM
    • Collective run signal SBM

    Data exchange

    • Infrared interface for wireless data exchange with IR-Monitor/IR-Stick
    • Plug-in position for Wilo IF-Modules (Modbus, BACnet, CAN, PLR, LON) for connection to building automation

    Safety functions

    • Full motor protection with integrated trip electronics
    • Access disable

    Dual pump management (double pump or 2 x single pumps)

    • Main/standby operation (automatic fault-actuated switchover)
    • Pump cycling main/standby operation after 24 hours
    • Parallel operation
    • Parallel operation (efficiency-optimised peak-load activation and deactivation)

     

    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

     

    Construction

    Single-stage, low-pressure double pump in in-line design with

    • Switchover valve
    • Mechanical seal
    • Flange connection
    • Lantern
    • Coupling
    • Drive with integrated electronic speed control

     

    Option

    • Variant …-R1 without differential pressure sensor
    • …-L1 variant with bronze impeller (at additional charge)

     

    Accessories

    • 3 Mounting brackets with fixation material for installation on a base
    • Blind flanges for double pump housing
    • IR-Monitor, Wilo-IR-Stick
    • IF-Module PLR for connecting to PLR/interface converter
    • IF-Module LON for connection to the LONWORKS network
    • IF-Module BACnet
    • IF-Module Modbus
    • CAN IF-Module
    • VR-HVAC control system
    • Control system CCe-HVAC
    • Control system SCe-HVAC
    • Differential pressure sensor (DDG)
  • Downloads

Why Wilo Pumps…

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Self-Priming

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Convenient

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Highly-Efficient

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Noise-Free

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Diversity

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Optimised Design

What Trebles Customers Think

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Top workmanship and a professional attitude from a supportive team

Excellent customer service again! You genuinely make my life so much easier

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Engineers were very professional with an excellent knowledge of their trade

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Job delivered and commissioned at the height of the pandemic with no changes to the excellent service we always receive.

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