25 Error correction
2022/07 99E13331xx-mub-en - V08 71
The withdrawal temperature is too low.
Is the DHW nominal
temperature at the controller
set sufficiently high?
no
yes
Is the pressure loss in the primary
circuit of the system too high?
yes
Check the piping in the
primary circuit of the system;
modify piping if necessary.
Increase the setting
value for the DHW
nominal temperature