
4 Operation
User reference guide
19
EGSAH/X06+10(U)DA9W(G)
Daikin Altherma 3 GEO
4P569819-1A – 2019.10
t
Tt
60°C
00:00
07:00
50°C
45°C
15°C
14:00
21:00
35°C
1
2
4
5
3
T
t
DHW tank temperature
t
Time
4.7.5
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
4.7.6
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.
INFORMATION
When powerful operation is active, the risk of space
heating/cooling and capacity shortage comfort problems is
significant. In case of frequent domestic hot water
operation, frequent and long space heating/cooling
interruptions will happen.