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Wilo DL-E 100/145-11/2-S1

Wilo DL-E 100/145-11/2-S1 Dry-Runner Twin Pump

Dry-running inline twin pump for pipe installation or foundation mounting, featuring integrated frequency converter for electronic control – including constant or variable differential pressure regulation (Δp-c/Δp-v).

Design
Electronically controlled dry-running twin pump in inline design with flanged connection and automatic output adjustment.

Application
Pumping of heating water (as per VDI 2035), chilled water, and water-glycol mixtures without abrasive substances in heating, cooling, and air conditioning systems.

Features & Functions
Operating Modes
- Δp-c for constant differential pressure
- Δp-v for variable differential pressure
- PID control
- Constant speed operation (n=constant)

Manual Control Interface
- Set differential pressure setpoint
- Adjust speed (manual setting mode)
- Set operating mode
- Pump ON/OFF configuration
- Full parameter configuration
- Fault acknowledgment

External Control Functions
- Control input “Priority OFF”
- Control input “External Pump Changeover” (active in twin pump mode only)
- Analog input 0–10 V, 0–20 mA for manual operation (DDC) and remote setpoint adjustment
- Analog input 2–10 V, 4–20 mA for manual operation (DDC) and remote setpoint adjustment
- Analog input 0–10 V for actual pressure sensor value
- Analog input 2–10 V, 0–20 mA, 4–20 mA for actual value signal from pressure sensor

Reporting & Indication Functions
- General fault output (SSM)
- General operation output (SBM)

Data Communication
- Infrared interface for wireless data exchange via IR monitor/IR stick
- Slot for Wilo IF modules (Modbus, BACnet, CAN, PLR, LON) for building automation integration

Safety Functions
- Full motor protection with integrated trip electronics
- Access lock
- Twin pump management (twin or 2 x single pumps)
- Duty/standby operation (automatic fault switchover)
- Duty/standby operation with pump alternation every 24 hours
- Parallel operation
- Efficiency-optimized load peak management (add-in and cut-out)

Your Benefits
- Energy savings through integrated electronic speed control
- Simple operation via Green Button Technology and display
- Multiple operating modes: duty/standby and parallel mode
- Configurable fault behavior for heating and air conditioning applications
- Integrated full motor protection (KLF) with trigger electronics
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Drive
Power supply:
- 3~380 V, 50/60 Hz
- 3~400 V, 50/60 Hz
- 3~440 V, 50/60 Hz
Motor efficiency class: IE4
Max. absorbed power P1: 13,000 W
Rated motor power P2: 11 kW
Max. current Imax: 21 A
Max. speed nmax: 2970 rpm
EMC emission: EN 61800-3
EMC immunity: EN 61800-3
Insulation class: F
Protection class (motor): IP55
Motor protection: integrated KLF

Dimensions
Installation length L0: 500 mm
Suction side pipe connection DNs: DN 100
Discharge side pipe connection DNd: DN 100

RRP: €29,006.25

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