Daikin ETVH16S18EA9W, User Reference Manual

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5 | Operation
User reference guide
34
ETVH/X16S(U)18+9W + ETBH/9W
Daikin Altherma 3 H HT F+W
4P644740-1 – 2021.02
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.
5.8 Preset values and schedules
5.8.1 Using preset values
About preset values
For some settings in the system, you can define preset values. You only need to set
these values one time, then reuse the values in other screens such as the
scheduling screen. If you later want to change the value, you only have to do it in
one place.
Possible preset values
You can set the following user-defined preset values:
Preset value Where used
Tank temperatures
under [5]
Tank
Restriction: Only
applicable if a
DHW tank is
present.
[5.2]
Comfort
setpoint
You can use these preset values in [5.5]
Schedule (weekly schedule screen for
the DHW tank) if the DHW tank mode is
one of the following:
▪ Schedule only
▪ Sc reheat
[5.3] Eco
setpoint
[5.4] Reheat
setpoint
The software uses this preset value if
the DHW tank mode is
Sc reheat .
Electricity prices
under [7.5]
User
settings >
Electricity
price
Restriction: Only
applicable if
Bivalent is
enabled by the
installer.
[7.5.1] High You can use these preset values in
[7.5.4]
Schedule (weekly schedule
screen for the energy prices).
See "5.8.4 Setting the energy
prices" [
4
42].
[7.5.2] Medium
[7.5.3] Low
Additional to the user-defined preset values, the system also contains some
system-defined preset values that you can use when programming schedules.