Wilo-CronoTwin-DL-E
Wilo-CronoTwin DL-E
Your 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
Recommended services
CronoTwin-DL-E
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)
- 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)
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)
Installation and operating instructions
Wilo-CronoLine-IL-E (5,5-7,5 kW), Wilo-CronoTwin-DL-E (5,5-7,5 kW)
| Article Number | 2160196 |
| Edition | 2022-08 |
| Number of pages | 260 |
| Language | de, en, fr, nl |
PDF (27 MB)Wilo-CronoLine-IL-E (11-22 kW), Wilo-CronoTwin-DL-E (11-22 kW), Wilo-CronoBloc-BL-E (1,5-22 kW)
| Article Number | 2234256 |
| Edition | 2024-02 |
| Number of pages | 328 |
| Language | de, en, fr, nl |
PDF (21 MB)Wilo-CronoLine-IL-E (11-22 kW), Wilo-CronoTwin-DL-E (11-22 kW), Wilo-CronoBloc-BL-E (1,5-22 kW)
| Article Number | 2234255 |
| Edition | 2024-02 |
| Number of pages | 88 |
| Language | en |
PDF (13 MB)Consulting manual
Glanded pumps, single-stage, single-volute
| Article Number | Wilo515021 |
| Edition | 2021-12 |
| Number of pages | 24 |
| Language | en |
PDF (7 MB)Group Statement
Group Statement REACH
| Edition | 2021-05 |
| Number of pages | 5 |
| Language | language neutral |
PDF (279 KB)Reference sheet
Reference Sheet (English) - Power industry - Power Station Anpara, Anpara, India, 2014
| Number of pages | 2 |
| Language | en |
PDF (2 MB)Reference Sheet (English) - German Department for Urban Development and the Environment (BSU), Hamburg, Germany, 2013
| Number of pages | 2 |
| Language | en |
PDF (4 MB)