Viessmann Tecto RF WMC3 1450 piggyback refrigeration unit - cooling aggregate for temperatures from

Viessmann Tecto RF WMC3 1450

Viessmann Tecto RF WMC3 1450 Refrigeration Unit

The Viessmann Tecto RF WMC3 1450 (also known under the series designation TectoRefrigo) is a state-of-the-art, plug-and-play, piggyback refrigeration unit for wall mounting in cold storage rooms for standard cooling applications.

Technical Data

• Manufacturer: Viessmann Refrigeration Solutions
• Model Designation: Tecto RF WMC3 1450 (Size 2)
• Equipment Type: Plug-and-play piggyback refrigeration unit (monoblock) for wall mounting
• Integrated Bluetooth connectivity (for control via app and data tracking)
• Automatic leakage detection
• Pre-installed connection cables: 2.5 m for door contact switch and 5 m Modbus-RTU cable (for building automation system / BMS).
• Application area: Standard cooling
• Housing surface: Powder-coated, similar to RAL 9003 (signal white)
• Cooling capacity at L0L32 (0 °C chamber / 32 °C ambient): 1450 watts
• Cooling capacity at L0L43 (0 °C chamber / 43 °C ambient): 1270 watts
• Control range for cold storage room: -5 °C to +10 °C
• For cold storage room volume: Up to approx. 11.1 m³ to 15 m³ (depending on the selected insulation, goods, and set temperature)
• Airflow (evaporator): 1000 m³/h
• Permissible ambient temperature: +5 °C to +43 °C (indoor operation only)
• Refrigerant: R290 (propane) – an environmentally friendly, natural refrigerant with a very low global warming potential (GWP 3)
• Refrigerant charge: < 150 g
• Global Warming Potential (GWP): 3
• CO₂ equivalent: < 0.45 t
• Defrosting: Automatic hot gas defrosting with demand-controlled cycle control
• Condensate: Automatic, integrated condensate evaporation
• Maximum permissible wall thickness: 150 mm (for the mounting cutout)
• Power connection: 230 V / 50 Hz (AC via CEE plug, blue, power consumption approx. 990 W)
• Power consumption (nominal current): 5.4 A
• Sound pressure level: 32.8 dB
• Dimensions: 828 mm x 671 mm x 976 mm (H x W x D)
• Weight: 64 kg (net)

Dimensions for the wall cutout
• Width of the cutout: 575 mm
• Height of the cutout: 395 mm

Key features
• Piggyback design: The monoblock unit is simply hung into the corresponding cutout in the cold storage room wall (“piggyback”). The maximum wall thickness may be 150 mm.
• Hot gas defrosting: The unit has an automatic, demand-controlled hot gas defrosting system with integrated condensate evaporation, so that a separate drain is usually not necessary.
• Smart electronics: Equipped with modern control, Bluetooth connectivity (for app control and data tracking), and automatic leakage detection.
• Components: Thermostatic expansion valve, pressure sensors, and efficient, internally finned heat exchangers.

Important application notes
• Ambient temperature: The device is designed exclusively for operation in closed rooms with an ambient temperature of +5 °C to +43 °C. It does not have a winter control system and is not weatherproof (no outdoor installation).
• Accessories for Viessmann cells: If the WMC3 unit is mounted on a classic Viessmann cold storage room, a special adapter cable and a converter box are usually required to connect the door contact switch and the power supply correctly.
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