Humidifiers can only be incorporated within the supply sub-loops of air loops so you first need to go to the supply sub-loop of the air loop to which the humidifier is to be added. The Add humidifier tool icon will then appear on the toolbar. To place a humidifier, click on the Add humidifier tool.
Humidifiers can be placed anywhere in the sub-loop but are more commonly incorporated within an air handling unit. To add a humidifier to an air handling unit, after clicking on the Add humidifier tool, move the cursor (with the humidifier attached to it) into the supply section of the air handling unit and click the mouse button to place the humidifier at the required location. Humidifiers may be placed in front of the supply fan for a ‘draw-through’ configuration or after the fan for a ‘blow-through’ configuration:
