Samsung IAB Series Install Manual page 84

Dehumidification mode guide –
 When the product surface is cooled too cold for ambient air
temperature, or when hot and humid air meets the product surface
while the surface is cooled, condensation can occur.
(cf: The principle of water forming on the surface of a glass with ice)
 Condensation can cause product failure if the product is condensed.
In this case, you can't get our service guarantee.
Condensation due to overcooling
This content should be recognized by the customer who runs the screen
Please print it out by the installer and deliver it to the customer (user)
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LED R&D Lab(VD)