3 Product description
10
9945x1051x-mub-en – V03
2018/11
IV) Set the setpoint influence
1.
You are in the menu
Settings
.
2.
Select
Nominal value adjustment
and confirm by pressing OK.
3.
Select
External nominal value function
and confirm by pressing OK.
4.
Select
Linear to MIN
and confirm by pressing OK.
5.
Press the Home button to return to the main menu.
NOTICE
(only Grundfos Magna 3)
A stop of the pump via the controller MCom is not possible, it must be carried out via the
heating controller or the building control system.
3.5
Check valve
The HeatBloC is equipped with a check valve (D-2) in the return line. The check valve can be
opened.
Check valve (Normal flow direction in the figure: downwards)
Position 0°
Check valve is operating,
flow only in direction of flow.
Position 180°
Check valve is not operating,
flow in both directions.