Viessmann VITODENS - Mechanical Ventilation; Starting Mechanical Ventilation; Setting Ventilation Operating Programs; Setting Ventilation Time Programs

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Further information can be found in chapter
"Terminology" in the appendix.
The ventilation unit is started by your heating contrac-
tor during commissioning.
The air flow rates of the ventilation levels have been
preset by your heating contractor. See page 15.
The preset air flow rates of the ventilation levels and
the duration of intensive ventilation and economy
mode can be changed by your heating contractor.
Note
In order to remove naturally occurring moisture from
rooms, the ventilation unit must always be operated
using at least the lowest ventilation level ("Basic
mode").
Setting the operating program
Factory setting: Automatic mode
Tap the following on-screen buttons:
1. "Menu"/" "
2. "Ventilation"
3.
■
Required operating program:
■
"Standby mode"
■
"Basic mode"
■
"Automatic mode"
For the function of the operating programs, see
page 15.
Setting the time program
For general information on the time program, see
page 16.
■
Factory setting: Automatic mode with "Normal" ven-
tilation level from 00:00 to 24:00 h
■
You can select up to 8 time phases per day
■
During the time phases, you can select the following
ventilation levels:
–
"Reduced"
–
"Normal"
–
"Intensive operation"
■
"Basic mode" (ventilation level 1) is active outside
the time phases
Setting time phases
Tap the following on-screen buttons:
1. "Menu"/" "
2. "Ventilation"
3. "Time program, ventilation"
4. "Select the day of the week, e.g. Mo"
5. "Change"/" "
For further time program settings, see page 16.
"Holiday program" energy saving function
Setting the "Holiday program" (HO2B)
Note
The holiday program applies to all heating circuits.
If you want to make changes to this, contact your local
heating contractor.
The holiday program starts at 00:00 h the day after the
departure date. The holiday program ends at 00:00 h
on the return date. This means that the set time pro-
gram is active on the days of departure and return.
While the holiday program is active, "Holiday pro-
gram" is shown in the default display.
Mechanical ventilation
Starting mechanical ventilation
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