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Automatic bypass:
The CAD HE 325/450/575 works with a pre-programmed automatic bypass.
The following conditions have to be fulfilled to open/close the bypass.
T
= indoor temperature
int
T
= outdoor temperature
ext
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).
Standby function:
Push and hold the button
(see drawing below). To switch the unit on push the button again.
Standby mode
Maitenance and replacement of the filter:
When the button
necessary. After the filter change press the
the filter alarm.
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Bypass activated
for 3 seconds, the unit will switch into the standby mode.
is red illuminated, please check the filter as a maintenance is
button during 3 seconds in order to reset
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