| 摘要 |
<p>The air is supplied in conjunction with a heating and cooling system with outlets controlled by compartment thermostats and overall controls of coach conditions. These controls are for the heating and cooling equipment (2), and two sensors (16, 17) on the roof give overall compartment (11) control. The main air duct (10) coacts with two temperature sensors (18, 19) and boosters (20, 21) which control heating and cooling for an overall condition, including the effects of sun radiation. The sensors also take account of the speed and direction of the wind and are enclosed or exposed in their housing accordingly.</p> |
