30
V. 3.1-300317
brookvent.co.uk
7.4.2 Humidity Sensor Replacement
Step 1.
Isolate the unit from the mains and ensure all supply circuits are disconnected.
Step 2.
Remove the front door panel via its 4 screws.
Step 3.
Remove both filters.
Step 4.
Remove the heat exchanger from the unit by pulling the plastic strip running
across the front of the heat exchanger.
Step 5.
Unplug the sensor and unscrew it from the casing.
Step 6.
Plug the new sensor in place and screw it to the case (care should be taken
when handling the new sensor, to avoid Electro static discharge damaging the sensor,
ensure you are earthed when handling).
Step 7.
Carefully reinsert the heat exchange core into the unit.
Step 8.
Reinsert both filters (change if necessary) and replace the front door ensuring all
four screws are securely fastened. Also ensure the filter tabs on the front of the unit are
securely fitted.
Step 8.
Power the unit on at the isolator and ensure any supply circuits are
reconnected.
Humidity Sensor
(Located on the “Extract
from inside” side of the unit
monitoring the humidity of
the extract air from the wet
rooms in the dwelling)
