UIC 553:2003-07

Climate control installations' include ventilation, heating and cooling equipment as well as, in some instances, devices to humidify/dehumidify the air. This term is also used in cases where no cooling, humidifying or dehumidifying equipment is provided. This leaflet distinguishes between areas for use by passengers and ancillary areas. Areas for passenger use may be either compartments or open saloons. Ancillary areas include side corridors, entrance vestibules, sanitary facilities, catering facilities, baby changing rooms, staff rooms, telephone boxes, etc. Different comfort standards apply for passenger accommodation and the various ancillary areas. Key terms and definitions in respect of air treatment in railway vehicles are listed in Appendix A or the Glossary.