Mounted to the inside of the vehicle hull, this HVAC system supplies 12kW cooling to ensure a cabin temperature of 25 to 29°C max in a 48°C ambient with the vehicle thermally insulated. Condenser coils are mounted above the radiator coil of the vehicle, thus eliminating the need for a separate condenser fan. A pressure regulating valve is used to regulate condensing capacity according to the ambient condition. The system also provides 10kW of heating by utilizing the engine water of the vehicle.

The system can provide 170m³/h of fresh clean air under CBRN conditions with 300Pa to 600Pa overpressure within the vehicle. The system provides up to 250m³/h of fresh air under normal operating conditions. The aircon is a single evaporator design with a single 330cc compressor belt driven by the vehicle’s engine. The ACU system does not restrict the standard operational features of the vehicle in terms of firing and mobility. The HVAC/NBC unit is qualified for shock and vibration according to MIL-STD-810G, and for EMC compliance according to MIL-STD-461F.

This includes all electrical connections, looms, the electronic control panel and electrical control gear. The custom designed SME controller also has a Bluetooth login interface for remote monitoring via a smartphone app and/or laptop. Built in units are “packaged” to fit the client’s vehicle specific geometry and requirements.

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