Valeo will display a number of heating and cooling systems in Brussels on 18-23 October

Valeo will exhibit its latest innovations for buses and coaches around the world at the Busworld exhibition taking place in Brussels on 18-23 October 2019 (Stand 222, Hall 2).

Valeo technologies are designed to maintain the cabin interior at optimal temperature regardless of the size of the vehicle (from minibuses to double-deckers), its powertrain type (internal combustion, hybrid or electric) or the nature (whether urban, peri-urban or long-haul) and duration of its journey.

Valeo will unveil the REVO-E HP R744 heating and air conditioning system, featuring all-electric and completely environmentally neutral technology.

The REVO-E HP R744 system is an all-electric rooftop a/c unit, equipped with a heat pump function, for hybrid and electric buses. The environmentally neutral, zero-emissions HVAC system operates with R744, a natural coolant, at outside temperatures of -20°C to 44°C.

The fully automatic, energy efficient system selects the appropriate operating mode, switching from air conditioning to the heat pump or de-icing function. The de-icing function is automatically activated when outside temperatures drop below 5°C, preventing it from icing up, which can happen with traditional heat pumps.

Hot and cold

Also on display will be the Valeo Thermo HV. For the first time, Valeo developers have been working on a high-voltage heater for electric buses that features fully adjustable heat output. The Valeo Thermo HV high-voltage heater for electrobuses is infinitely variable and guarantees a constantly high heat output of 12 kW.

For electric vehicles, Valeo will display its Valeo E-Cooler BTM, an affordable battery cooling and heating unit. Batteries for hybrid and electric vehicles are costly and sensitive to changes in temperature. To ensure longevity and performance, Valeo developed a battery cooler designed to maintain the battery cells at the right temperature.

In addition to the field-proven 5-kW version, Valeo has introduced a more powerful 7-10-kW concept solution suitable for high temperatures. At temperatures of 15°C or less, the Valeo E-Cooler BTM system uses ambient air for an energy-saving passive cooling mode. At high outside temperatures, the E-Cooler automatically switches to an active cooling circuit.

Finally, the Valeo SPump electric circulation pump family will welcome a new version at the event. Valeo has supplemented its latest generation of SPump circulation pumps with a 120-W version that is particularly suitable for smaller water circuits. It provides the high performance required for e-bus applications with a flow rate of 3,800l/h at 0.37 bar.

The 120-W model has 40% fewer individual parts than a traditional electric water pump, making it the lightest weight and most compact system of its kind within the product family. It also features a smart diagnostic function that provides alerts to limit consumption. This is a major advantage for all hybrid, plug-in hybrid and all-electric commercial vehicles, which are dependent on efficient energy management.

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