S&P CAD HE 450 H BASIC Manuel D'instructions page 32

Manual bypass:
Pressing the button "manual bypass" the bypass will open for 8 hours. During the
bypass is activated the button is green illuminated. To deactivate (close) within the 8
the bypass you have to push the button again (illumination is off).
bypass activated
Standby function:
Push and hold the button for 3 seconds, the unit will switch into the standby mode.
During the standby mode the button will be red illuminated (see drawing
below). To switch the unit on push the button again.
standby mode
Filter maintenance:
When the button is red illuminated, please check the filter as a maintenance is
necessary. After the filter change press the button during 3 seconds in order to
reset the filter alarm.
filter maintenance
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