13
OPERATION
The unit has integrated control panel, but can also be operated from one or more remote panels, type CD.
Menu selector
(chose function and move in menus)
Confirm
(button to confirm choice)
Back
(button to go back in menu level)
Display
(information for operation settings, changes etc.)
For normal, daily use, there is no need to change settings.
Airflow and supply air temperature can be adjusted if necessary.
Symbol:
Choose airflow (fan speed):
Display shows:
Min. Norm. Max.
Turn the menu selector until fan symbol is marked. Confirm
Turn the menu selector
to required airflow. Confirm
Minimum ventilation (Min.)
Can be used when leaving the building for a longer period.
Normal ventilation (Norm.)
Will give required air change. Airflow and air balance is automatically
maintained.
Forced ventilation (Max.)
To increase the airflow when necessary
Symbol:
Choose supply air temperature:
Display shows:
Min. Norm. Max.
The ventilation system will supply good air quality to the building, but only in
a very little degree contribute to heating or cooling of the room temperature.
Still it could be required to adjust the supply air temperature.
Turn the menu selector until supply air temperature is marked.
Confirm
.
Turn the menu selector
and adjust up/down as required. The
temperature can be set in 5 steps (12-22°C, in 2.5°C steps with heater
activated and 15-19°C in 1°C steps with the heater deactivated). Empty
symbol indicates “Summer operation”. (See
Automatic ”Summer
operation”
below). Confirm
.
Highest energy- and ventilation efficiency is obtained at low supply air
temperature.
Manual
summer
operation
Automatic ”Summer operation”
Supply air temp. is higher than settings: Heat recovery is cut out
Extract air temp. is lower than outdoor temp.: Supply air is being chilled in the
exchanger block
At low outdoor temperatures, reduced room temperature can be obtained by
choosing ”manual summer operation” and forced ventilation.
Manual ”summer operation”:
Turn the menu selector until supply air temperature is marked.
Confirm
.
Turn the menu selector
to
"Man. summer operation". Confirm
.
Back
Forced ventilation:
Airflow
Airflow
Additional heat
on
Airflow
Heat exchanger
off
Supply air
temperature
Summary of Contents for Villavent VR 400 DCV/B
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