Small Twin Head Wilo Recirculating Pump For Heating Chilled Water And Cooling System
Brand Name:Wilo
Model Number:Wilo-CronoTwin-DL-E
Minimum Order Quantity:1
Delivery Time:5-8 weeks
Payment Terms:L/C,D/A,D/P,T/T,Western Union,MoneyGram
Price:discussible
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Location:
Tianjin Tianjin China
Address:
Room 405A-8, Building 1, Collaborative Development Center, No. 1 Xihuan North Road, Zhongguancun Science and Technology City, Jingjin, Baodi District, Tianjin
Supplier`s last login times:
within 21 hours
Product Details
Company Profile
Product Details
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)
- 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)
Small Twin Head Wilo Recirculating Pump For Heating Chilled Water And Cooling System
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