Daikin ETVZ16S18EA9W, User Reference Manual

Page: 57 / 68

8 | Troubleshooting
User reference guide
57
ET9W
Daikin Altherma 3 H HT F
4P644741-1 – 2021.02
8.3 Symptom: You are feeling too cold (hot) in your living room
Possible cause Corrective action
The desired room temperature is too
low (high). Increase (decrease) the desired room
temperature. See
"5.6.4 To change the
desired room temperature" [
4
28].
If the problem recurs daily, do one of
the following:
▪ Increase (decrease) the room
temperature preset value. See
"5.8.1 Using preset values" [
4
34].
▪ Adjust the room temperature
schedule. See "5.8.2 Using and
programming schedules" [
4
34] and
"5.8.3 Schedule screen:
Example" [
4
37].
The desired room temperature cannot
be reached. Increase the desired leaving water
temperature in accordance with the
heat emitter type. See
"5.6.5 To change
the desired leaving water
temperature"
[
4
29].
The weather-dependent curve is set
incorrectly. Adjust the weather-dependent curve.
See
"5.9 Weather-dependent
curve" [
4
43].
8.4 Symptom: The water at the tap is too cold
Possible cause Corrective action
You ran out of domestic hot water
because of unusual high consumption. If you immediately need domestic hot
water, activate the DHW tank
Powerful operation . However, this
consumes extra energy. See
"5.7.6 Using DHW powerful
operation"
[
4
33].
If the problems recurs daily, do one of
the following:
▪ Increase the DHW tank temperature
preset value. See
"5.8.1 Using preset
values" [
4
34].
▪ Adjust the DHW tank temperature
schedule.
Example: Program to
additionally heat up the DHW tank to
a preset value (
Eco setpoint =
lower tank temperature) during the
day.
See "5.8.2 Using and
programming schedules" [
4
34] and
"5.8.3 Schedule screen:
Example" [
4
37].
The desired DHW tank temperature is
too low.