23
FOR THE USER
Set extra heat curve with shunt
If you have fl oor heating combined with radiators you should set an extra
heat curve with mixing valve. The mixing valve is a valve that lets water
through in different amounts. It prevents the fl oor from becoming too hot
and destroying the fl ooring. The menu is only displayed when there is an
extra fl ow sensor, T4 (GT4), on the heat pump. You set the extra heat curve
using two menus: Mix. valve incr/decr and Mix. valve fi ne-tune.
Increase or decrease the mixing valve
1. Press and hold the Heat button until Access = CUSTOMER2 is
displayed.
2. Press the Heat button.
3. Turn the menu dial clockwise until you reach the menu Mix. valve
incr/decr.
4. Press the Adjust button.
5. Turn the menu dial clockwise to choose a higher heat curve.
Turn the menu dial anti-clockwise to choose a lower heat curve.
6. Save the new value by pressing the Save button.
Note
The initial position of the fl oor heat-
ing circuit is heat curve 2.
The scale covers the range 0 to 10.
Extra heat curve with mixing valve
only works with an extra fl ow sensor
T4 (GT4).
Fine-tune the mixing valve
1. Press and hold the Heat button until Access = CUSTOMER2 is
displayed.
2. Press the Heat button.
3. Turn the menu dial clockwise until you reach the menu Mix. valve
fi ne-tune.
4. Press the Adjust button.
5. Turn the menu dial clockwise to set an upward, parallel offset on the
curve.
Turn the menu dial anti-clockwise to set a downward parallel offset on
the curve.
6. Save the new value by pressing the Save button.
Note
The example describes how to fi ne-
tune the extra heat curve. The scale
covers the range -10ºC to +10ºC.
Extra functions - Customer level 2
Mix. valve incr/decr
0 2,0 10
Return Adjust
Mix. valve fi ne-tune
-10° -0,0° 10°
Return Adjust
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