Thermocold MEX EXR 25-29 R454C 20-29kW
High Temperature R454C

MEX EXR 25-29 R454C are robust, high temperature air-to-water heat pumps for commercial projects. These monobloc units deliver heating, cooling, and domestic hot water, with outlet temperatures up to 65°C. They use latest-generation R454C refrigerant, combining strong efficiency and a very low GWP of 146. With heating outputs from 20 to 29 kW, this range is a smart fit for mid-scale installations needing reliability, performance, and sustainability year-round. Engineers and consultants will find the MEX EXR offers proven seasonal efficiency, even at partial loads. 


Features:

  • Two scroll compressors, single circuit per unit for steady, efficient operation
  • Axial fans on external rotor motors (option: EC Inverter fans for quiet, efficient modulation at part load)
  • AISI 316 stainless steel plate heat exchangers, antifreeze protection and pressure switches
  • Cu/Al condenser coils with hydrophilic treatment (option: pre-coated fins)
  • Electronic expansion valve
  • Microprocessor controls with Modbus RTU (RS485), weather compensation, remote setpoint, DHW/hybrid management, and pump energy saving
  • Optional compressor sound enclosure (-2dB(A))

Options/accessories:

  • Soft starter
  • Power factor correction capacitors
  • Antifreeze heaters (tank, pipes, pumps)
  • Remote control, 3-way DHW diverter, coil guards, anti-vibration mounts

MEX EXR 25-29 R454C: efficient, future-ready heat pumps for high temperature demands and reliable year-round operation. Please see accessories below. Units are built to your spec—contact us for a tailored quotation.


Downloads

MEX EXR R454C Datasheet
MEX EXR R454C Presentation



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