5 | Operation
User reference guide
30
EHSH/X(B)04+08P30+50EF
Daikin Altherma 3 R ECH₂O
4P678719-1 – 2021.11
2 Adjust the desired leaving water temperature.
a Actual leaving water temperature
b Desired leaving water temperature
If scheduling is on after changing the desired leaving water temperature
▪ The temperature will stay the same as long as there is no scheduled action.
▪ The desired leaving water temperature will return to its scheduled value
whenever a scheduled action occurs.
You can avoid scheduled behaviour by (temporarily) turning off scheduling.
To turn off leaving water temperature scheduling
1 Go to one of the following:
▪ [2.1]: Main zone > Schedule
▪ [3.1]: Additional zone > Schedule
2 Select No.
To enable weather-dependent operation for the leaving water temperature
See "5.9.4Using weather-dependent curves"[445].
5.7 Domestic hot water control
5.7.1 About domestic hot water control
Depending on the DHW tank mode (installer setting), you use a different domestic
hot water control:
▪ Reheat only
▪ Scheduled reheat
INFORMATION
In case of error code AH and no interruption of the disinfection function occurred
due to domestic hot water tapping, following actions are recommended:
▪ It is recommended to program the start-up of the disinfection function at least
4hours later than the last expected large hot water tapping. This start-up can be
set by installer settings (disinfection function).