=+11-23.

Select round ceiling diffusers for the room shown in Fig. 11-14. The room has a cooling load of 112.000 Btu/hr (32.8 kW) and a design air supply rate of 2600 cfm (1225 L/s). Locate the diffusers on the floor plan. A maximum total pressure of 0.12 in. wg (30 Pa) is allowed.