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Existing pump - Circulation Pump curve
Replacement pump - Electronic Exchange sheet
Comment
Product information
DL-E 150/250-15/4
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
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), cold water and water/glycol mixtures without abrasive substances in heating, cold 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)
- Green button and display
- 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
- "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
- Collective fault signal SSM
- Collective run signal SBM
- 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
- Full motor protection with integrated trip electronics
- Access disable
- 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)
- Pump
- Installation and operating instructions
- 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
- Protection class IP 55
- Nominal diameter DN 40 to DN 200
- Max. operating pressure 16 bar up to +120 °C, 13 bar up to +140 °C
- 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
Single-stage, low-pressure twin-head pump in in-line design with:
- Switchover valve
- Mechanical seal
- Flange connection
- Lantern
- Coupling
- Drive with integrated electronic speed control
- Thickness: 2 mm.
- Inner diameter: 168 mm.
- Outer diameter: 225 mm.