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Wilo-VeroTwin-DP-E

Design

Electronically controlled glanded double pump in in-line design with flange connection and automatic power adjustment


Application

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


Type key

ExampleDP-E 40/160-4/2-R1
DP-EIn-line double pump with electronic control
40Nominal diameter DN of the pipe connection
160Nominal impeller diameter
4Rated motor power P2 in kW
2Number of poles
R1Version without sensor


Special features/product advantages

  • Motors with higher efficiency as standard; motors with IE2 technology if rated motor power is 0.75 kW or more
  • 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-CronoTwin-DL-E
  • High standard of corrosion protection thanks to cataphoretic coating
  • Condensate drainage holes as standard


Technical data

  • Permissible temperature range -20 °C to +120 °C
  • Mains connection
    • 3~400 V ±10 %, 50 Hz
    • 3~380 V -5 % +10 %, 60 Hz
  • Protection class IP 55
  • Nominal diameter DN 32 to DN 80
  • Max. operating pressure 10 bar (special version: 16 bar)


Description/design

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

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


Materials

  • Pump housing and lantern: EN-GJL-250
  • Impeller: PPO-GF30
  • Shaft: 1.4021
  • Mechanical seal: AQEGG; other mechanical seals on request


Equipment/function

Operating modes
  • Δp-c for constant differential pressure
  • Δp-v for variable differential pressure
  • PID control
  • Manual control mode (n=constant)

Manual operation level
  • Red button and display

Manual functions
  • Differential pressure setpoint setting
  • Speed setting (manual control mode)
  • Operating mode setting
  • Pump ON/OFF setting
  • Configuration of all operating parameters
  • Error acknowledgement

External control functions
  • "Overriding Off" control input
  • "External pump cycling" control input (effective only in double pump operation mode)
  • Analogue input 0–10 V, 0–20 mA for manual control mode (DDC) and remote setpoint adjustment
  • Analogue input 2–10 V, 4–20 mA for manual control mode (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-Module/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 pump)
  • 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)


Scope of delivery

  • Pump
  • Installation and operating instructions


Options

  • Version …-R1 without differential pressure sensor
  • H5 variant with PN16 housing (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)


General notes - ErP (ecological design-) directive

  • The benchmark for most efficient water pumps is MEI ≥ 0.70
  • The efficiency of a pump with a trimmed impeller is usually lower than that of a pump with the full impeller diameter. The trimming of the impeller will adapt the pump to a fixed duty point, leading to reduced energy consumption. The minimum efficiency index (MEI) is based on the full impeller diameter.
  • The operation of this water pump with variable duty points may be more efficient and economic when controlled, for example, by the use of a variable speed drive that matches the pump duty to the system.
  • Information on benchmark efficiency is available at www.europump.org/efficiencycharts


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