The smart, intuitive controller offers you extensive control over your chilled water units and real-time information about your system.
Wall-mounted unit WLT 90-2 EC
WLT EC SERIES Wall-mounted units in 2-pipe design with multifunctional control technology
- Chilled water systems
- Cooling capacity: 2.81 - 9.31 kW
- For offices and living spaces
Wide power range, precise control, particularly quiet operation, and energy-saving
The WLT EC series is equipped with modern, energy-efficient EC fans that provide high efficiency, especially in partial load operation. The stepless adjustment of the speed-controlled fans minimizes temperature fluctuations, ensuring consistent climate comfort.
Thanks to the integrated silent function, the noise level can be significantly reduced when needed, making the units ideal for applications where the climate control should remain nearly inaudible – such as in residential or office spaces.
Due to the already integrated fan assembly in the unit, no additional installation effort is required. Depending on the pump type used in the chilled water piping system, a choice between standard 3-way or 2-way valves is available.
With 6 sizes, the series covers the entire power range up to 9.3 kW, ensuring that the right unit is available for every requirement.
- Low-noise unit operation ("Silent" mode)
- Simple installation above doors or at the top of walls
- Removable and easy to clean air filter
- Air outlet with swing function
- Integrated 3-way or 2-way valve subassembly
- Wide power range
- Programmable 24-hour timer function
- Potential-free fault and enabling contacts
- 5 adjustable fan speeds
- Infinitely adjustable power adaptation in automatic operation
- Modbus interface RS485 in the standard version
Smart-Control Touch SC-20 The smart control for your chilled water air conditioning system
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Technical data
| Variant | WLT 30 EC | WLT 40 EC | WLT 50 EC | WLT 60 EC | WLT 80 EC | WLT 90 EC |
|---|---|---|---|---|---|---|
| Cooling capacity | 2.8 (0.8-2.8) kW | 3.7 (0.8-3.7) kW | 4.8 (0.8-4.8) kW | 6.1 (0.9-6.1) kW | 7.4 (1.9-7.4) kW | 9.3 (2.0-9.3) kW |
| Heating capacity | 4.2 (1.2-4.2) kW | 4.8 (1.2-4.8) kW | 6.4 (1.2-6.4) kW | 7.8 (1.3-7.8) kW | 9.4 (2.3-9.4) kW | 11.3 (2.4-11.3) kW |
| Air flow rate min.-max. | 150-560 m³/h | 150-625 m³/h | 150-950 m³/h | 150-1120 m³/h | 320-1650 m³/h | 320-1790 m³/h |
| Sound pressure level min.-max. | 18-45 dB(A) | 19-45 dB(A) | 18-47 dB(A) | 18-47 dB(A) | 19-50 dB(A) | 20-51 dB(A) |
| Power supply | 230/1~/50 | 230/1~/50 | 230/1~/50 | 230/1~/50 | 230/1~/50 | 230/1~/50 |
Support
Accessories
Here you will find an overview of suitable accessories for the selected product series.
Spare parts
The spare parts search offers all associated spare parts directly for purchase according to the serial number of your device.
Downloads
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