Select a change in the heating curve at a certain outdoor temperature here. One
step is usually enough to change the room temperature by one degree, but in
some cases several steps may be required.
The heat curve is affected at ± 5 °C from set outdoor temp. point.
It is important that the correct heating curve is selected so that the room tem-
perature is experienced as even.
TIP
If it is cold in the house, at, for example -2 °C, "outdoor temp. point"
is set to "-2" and "change in curve" is increased until the desired room
temperature is maintained.
Caution
Wait 24 hours before making a new setting, so that the room temper-
ature has time to stabilise.
NIGHT COOLING (ACCESSORY REQUIRED)
night cooling1.9.9
min diff. outdoor-exhaust
start temp. exhaust air
°C
°C
night cooling
start temp. exhaust air
Setting range: 20 – 30 °C
Default value: 25 °C
min diff. outdoor-exhaust
Setting range: 3 – 10 °C
Default value: 6 °C
Menu
1.9.9
Activate night cooling here.
When the temperature in the house is high and the outdoor temperature is lower,
a cooling effect can be obtained by forcing the ventilation.
If the temperature difference between the exhaust air and the outdoor air tem-
perature is greater than the set value ("min diff. outdoor-exhaust") and the exhaust
air temperature is higher than the set value ("start temp. exhaust air") run the
ventilation at speed 4 until one of the conditions is no longer met.
NIBE VVM 320Chapter 3 | VVM 320 – at your service44
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