Heating and ventilation equipment for passenger vehicle - is located in housing in roof and has single inlet and twin outlets

摘要

The equipment is in a case placed in the vehicle roof. This has an air entry and two outlets to two channels below the roof. In these, in series, are an evaporator of a cooler for air conditioning, fans and heat exchangers. The case has an entry for air to be climatised or fresh air, adjustable by a flap and with a fan. There is also an output opening with a flap from the heat exchangers. This is closed by differential pressure and an automatic type of control. This heating and ventilating equipment is partic. for passenger coaches.