Zehnder ComfoAir 70 Instructions De Montage page 9

ComfoSpot 50
Take the top cover off the interior
hood and remove the filter caps
and filters.
Remove the PVC cover from the
control board and carefully pull the
ribbon cable out of the UI X9 plug
connection on the control board.
Undo the four nuts used to fasten
the bottom cover of the interior
hood to the EPP housing and
remove the bottom cover including
the electronic equipment cover.
Remove the enthalpy exchanger
from the EPP housing.
Clamp the sensor system module
into the fixation recess of the EPP
housing, bearing in mind the cable
routing.
Remove the blanking plug for
the cable guide in the vicinity of
the control board from the EPP
housing.
Guide the sensor cable, together
with the wire edges, from the inside
to the outside through the EPP
housing and push the sensor cable
into the cable recess.
Connect the sensor cable to the
clamping point for SENSOR X8
on the control board as described
under Electrical connection.
Install all parts in reverse order.
Sensor system
9