MENU 5.1.3 - MAX DIFF FLOW LINE TEMP.
max diff compressor
Setting range: 1 – 25 °C
Default value: 10 °C
max diff addition
Setting range: 1 – 24 °C
Default value: 7 °C
Here you set the maximum permitted difference
between the calculated and actual supply temperature
during compressor respectively add. heat mode. Max
diff. additional heat can never exceed max diff. com-
pressor
max diff compressor
If the current supply temperature exceeds the calculated
supply by set value, the degree minute value is set to
+2. The compressor in the heat pump stops if there is
only a heating demand.
max diff addition
If “addition” is selected and activated in menu 4.2 and
the current supply temperature exceeds the calculated
temperature by the set value, the additional heat is
forced to stop.
MENU 5.1.4 - ALARM ACTIONS
Select if you want the indoor module to alert you that
there is an alarm in the display here.
Caution
If no alarm action is selected, it can result in
higher energy consumption in the event of an
alarm.
MENU 5.1.5 - FAN SP. EXHAUST AIR
(ACCESSORY IS REQUIRED)
normal and speed 1-4
Setting range: 0 – 100 %
Factory setting normal: 65 %
Factory setting speed 1: 0 %
Factory setting speed 2: 30 %
Factory setting speed 3: 80 %
Factory setting speed 4: 100 %
Set the speed for the four different selectable modes
for the fan here.
Caution
An incorrectly set ventilation flow can damage
the house and may also increase energy con-
sumption.
MENU 5.1.12 - INTERNAL ELECTRICAL
ADDITION
fuse size
Setting range: 1 - 200 A
Factory setting: 16 A
Here you set the max. electrical output of the internal
electrical addition in VVM 225 and the fuse size for the
installation.
Here you can also check which current sensor is in-
stalled on which incoming phase to the property (this
requires current sensors to be installed, see page 29).
Check by selecting “detect phase order” and pressing
the OK button.
The results of these checks appear just below the menu
selection "detect phase order".
MENU 5.1.13 - MAX INST. EL.PWR (BBR)
max installed el.pwr (only this machine)
Setting range: 0.000 - 30.000 kW
Default values: 15.000 kW
If the above building regulations are not applicable, do
not use this setting.
In order to meet certain building regulations, it is pos-
sible to lock the device's maximum power output. In
this menu, you can set the value corresponding to the
heat pump's maximum power connection for heating,
hot water and cooling, if applicable Note whether there
are also external electrical components that are to be
included. After the value has been locked, a weeks
NIBE VVM 225Chapter 8 | Control – Menus50
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