Grundfos MAGNA3 25-60 (N) Installation And Operating Instructions Manual page 22

System application
If an external controller is installed, the pump is able to change from one constant curve to another, depending
on the value of the external signal.
You can also set the pump to operate according to the maximum or minimum curve, like an uncontrolled pump:
• Use the maximum-curve mode in periods in which a maximum flow is required. This operating mode is for
instance suitable for hot-water priority.
• Use the minimum-curve mode in periods in which a minimum flow is required. This operating mode is for
instance suitable for manual night setback if you do not want automatic night setback.
In systems with pumps connected in parallel.
The multipump function enables the control of two to four single-head pumps connected in parallel and twin-head
pumps without the use of external controllers. See section
system communicate with each other via the wireless GENIair connection.
22
". The pumps in a multipump
8.8.3 "
Select this control
mode
Constant curve
H
Q
" " menu
" "