Air quality control
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6 Air quality control
With its built-in and/or external VOC (Volatile Organic Compounds) sensor, the
thermostat measures the room air quality and shows the air quality status symbol
on the local idle screen. In the mobile app, the status is indicated by text.
If no external VOC sensor is connected or if the input value of the external sensor
is invalid, only the built-in sensor is used to provide values for the thermostat. If the
external sensor is connected and can provide valid values with the built-in sensor,
the thermostat displays the higher value of the built-in and external sensors.
Symbol on the
local idle
screen
Text in the
mobile app
Description
VOC level
[% of the output
range]
Good
The room air quality is
good
<50%
Okay
The room air quality is
average
50% ~ 80%
Poor
The room air quality is
poor
>80%
There is a default air quality setpoint for each operating mode in a schedule. It is
adjustable under
Advanced Settings
>
Optimization
. If the actual VOC level is
10% higher than the default setpoint for the current operating mode, the ventilation
function is activated to force air circulation.
To ensure that the room air quality is measured accurately when the room is
closed for a long time, it is recommended to circulate air such as opening a
window.
