Set Extra Heat Curve With Mixing Valve - Bosch EHP 6-11 LW User And Installation Manual

Set extra heat curve with mixing valve

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 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.
Mix. valve incr/decr
0 2,0 10
Return adjust
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.
Fine-tune the mixing valve
1. Press 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.
Fine tune mix. valve
-10° -0,0° 10°
Return adjust
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.
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).
The example describes how to fi ne-
tune the extra heat curve. The scale
covers the range -10ºC to +10ºC.
23
Extra functions - Customer level 2
Note
Note