Installation (qualified contractors)
u Check that the rolling ring seal is positioned correctly on the
bypass closure. The rolling ring seal must be seated in the
inner guide groove of the bypass closure.
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u Insert the bypass closure on the opposite side of the appli-
ance.
ð When pushing the bypass closure in, the rolling ring
seal moves into the outer guide groove.
u Ensure that the rolling ring seal is not crooked.
If the outer guide groove is still visible, the bypass closure has
not been inserted deep enough.
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u Slide the sliding bearing into the opening provided for it in
the EPS body.
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u Fit the bypass damper.
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u Position a kingpin front and back in the recess of the bypass
damper and click the kingpin into place by sliding it side-
ways.
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u Connect the cable to the bypass motor.
u Slide the bypass motor into the opening provided for it in
the EPS body.
u Press the cable into the cable duct in the EPS body.
6.5
Fitting the programming unit from the
appliance to the wall (optional)
If the air quality in specific zones or rooms is intended to affect
the operation of the ventilation unit, install the programming
unit in these rooms and activate the environment sensor.
The length of the bus cable between the programming unit and
ventilation unit must not exceed 20 m.
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