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Wilo CronoTwin-DL-E Recirculating Pump Electronically Controlled Twin-Head Pump For Heating Chilled Water And Cooling System
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.
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)
Pump cycling main/standby operation after 24 hours
Parallel operation
Parallel operation (efficiency-optimised peak-load activation and deactivation)
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
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
Scope of delivery
Pump
Installation and operating instructions
Options
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)
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Distributor/Wholesaler,Agent,Exporter,Trading Company
Year Established:
2019
Total Annual:
$2.5 Million -$5 Million
Employee Number:
20~50
Ecer Certification：
Verified Supplier
. Located in Tianjin, China, Tianjin Shiny-Metals Technologyco., Ltd. is a professional company that specializes in the research and development, design, production, sales, trade, and service of pumps. Our products are exported to more than 40 countries and regions, continuously building our global ... . Located in Tianjin, China, Tianjin Shiny-Metals Technologyco., Ltd. is a professional company that specializes in the research and development, design, production, sales, trade, and service of pumps. Our products are exported to more than 40 countries and regions, continuously building our global ...
Room 405A-8, Building 1, Collaborative Development Center, No. 1 Xihuan North Road, Zhongguancun Science and Technology City, Jingjin, Baodi District, Tianjin
