Boost; Ventilation - Zehnder ComfoSense C55 Manuel

Turn off the child lock
From the main screen press
times in a row. The text CHILD LOCK
disappears from the main screen. All
buttons are unlocked.

3.4 Boost

The ventilation airflow can be set to a
maximum (Boost) for a specific duration.
This can be useful when additional
ventilation is needed for a short time.
■ TIMER: the unit will set the
maximum airflow for the set
duration;
■ OFF: the unit will return to the
normal airflow.
Turn on the Boost
1. Press . The display shows
BOOST.
2. Press . The display shows
TIMER.
3. Press . The duration indicator
is blinking.
4. Press to choose the duration
of the boost.
5. Press to confirm. The display
shows SAVED. The remaining time
is visible if it is within 2 hours from
end, on the main screen.
Turn off the Boost
The Boost will automatically turn off after
the set time.
To directly turn off the Boost from the
main screen:
4
boost
1. Press or
shows OK TO STOP TIMER.
2. Press . The display shows
TIMER ENDED.
Or
1. Press . The display shows
BOOST.
2. Press . The display shows OFF.
3. Press to confirm. The display
shows SAVED.

3.5 Ventilation

The supply (IN) or extract
fan of the ventilation unit can be turned
off manually, to control the air circulation.
For example to keep out unpleasant
odors from outside. Bear in mind that
switching off a fan will temporarily
immobilise your dwelling's balanced
ventilation system.
■ BOTH: the unit will start both
supply and extract fan; (default
setting)
■ IN: the unit will stop the extract
fan for the set duration;
■ OUT: the unit will stop the supply
fan for the set duration
(if available).
Turn off the supply or exhaust fan
1. Press . The display shows
BOOST.
2. Press or
3. Press .
4. Press or
or IN.
. The display
vent
(OUT)
to choose VENT.
to choose OUT
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