USING THE PROGRAM
• AHU Fine Control
In AHU control menu, touch [Detail. ▶] button, and in the displayed detail control window, you 
can control detail items. 
The composition and functions of the detail menu are as follows.
Item Description
Operation
 y [ON] Button: Starts the operation of the device.
 y [OFF] Button: Stops the operation of the device.
Set Click(Touch) [▲]/[▼] to set the temperature.
Mode
 y [COOL] Button: Operates with Cooling Mode.
 y [HEAT] Button: Operates with Heating Mode.
 y [FAN] Button: Purifies the air.
 y [DRY] Button: Dehumidifies the air during the rainy season or when 
humidity is high.
 y [Drift] Button: Reduces energy consumption by operating in the 
most efficient method possible.
AutoVent
 y [Set] Button: If the CO₂ concentration level increases during cooling 
or heating, increase the outdoor air volume to reduce the CO₂ 
concentration level.
 y [Clear] Button: Disables AutoVent.
CO2(ppm)
Use [▲]/[▼] to set the desired carbon dioxide emission level from 500 
ppm to 1,500 ppm in intervals of 100 ppm (CO₂ is not settable in some 
models.).
Humidify
 y [Set] Button: Enables the humidifier function.
 y [Clear] Button: Disables the humidifier function.