Daikin ETVZ16S18EA9W, User Reference Manual

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5 | Operation
User reference guide
33
ET9W
Daikin Altherma 3 H HT F
4P644741-1 – 2021.02
5.7.5 To change the domestic hot water temperature
In Reheat only mode, you can use the tank temperature setpoint screen to read
out and adjust the domestic hot water temperature.
1 Go to [5]:
Tank
.
Tank
5
2 Adjust the domestic hot water temperature.
+
–
50
°C
5
a b
Tank
a Actual domestic hot water temperature
b Desired domestic hot water temperature
In other modes, you can only view the setpoint screen but not modify it. Instead,
you can modify the settings for the
Comfort setpoint [5.2], Eco setpoint
[5.3] and Reheat setpoint [5.4].
When weather-dependent operation is used for the tank, the tank temperature is
determined automatically by the outdoor temperature. For more information, see
"5.9 Weather-dependent curve" [
4
43].
5.7.6 Using DHW powerful operation
About powerful operation
Powerful operation allows the domestic hot water to be heated by the
backup heater. Use this mode on days when there is more hot water usage than
usual.
To check if powerful operation is active
If is displayed on the home screen, powerful operation is active.
Activate or deactivate
Powerful operation
as follows:
1 Go to [5.1]: Tank > Powerful operation
2 Turn powerful operation Off or On .
Usage example: You immediately need more hot water
You are in the following situation:
▪ You already consumed most of your domestic hot water.
▪ You cannot wait for the next scheduled action to heat up the domestic hot water
tank.
Then you can activate powerful operation. The domestic hot water tank will start
heating up the water to the
Comfort temperature.