Dantherm Air Handling HCV 3 Bedienungsanleitung Seite 32

Description of the control panel,
Part/function,
con-
tinued
30
Part
Fan steps
Automatic Demand Mode
Acoustic filter alarm
continued
Function
Shows the current fan step the unit is operating at.
By activating Automatic Demand Mode the unit is
controlled according to the humidity level of the ex-
tract air from the house.
Automatic Demand Mode always operates on Fan
Step 1, 2 or 3.
When an error occurs on the unit, the control panel
bleeps once every hour (also bleeps when a filter
change is needed).