

These 20 HVAC zones could be served from one air handling unit. There are 20 zones on this zone map indicated as 4-1 through 4-20. You can see that the floor plan is separated with dashed lines indicating which areas or rooms share the same HVAC zone. Each zone typically has its own controller or thermostat. This drawing shows how the HVAC zones are divided up. Here you will find the HVAC equipment such as Air Conditioners, Air Handlers, Fan Coil Units, Fans, Chillers, Cooling Towers, Pumps, Air Distribution, Expansion Tanks, Boilers, VFD’s (Variable Frequency Drives), Condensers and various other components of the HVAC system. The HVAC equipment is shown on the Mechanical Equipment Schedule drawings. Typical drawings found in the HVAC Mechanical set of drawings could include some or all of the following

Just like the other trades, the mechanical drawings have a specific purpose to their layout, so as to communicate the requirements of the project. The mechanical drawings we will be dealing with are specifically related to the HVAC industry.
