Daikin Altherma EHVZ04S18DA6V, Installation Manual

Page: 19 / 32

5 Configuration
Installation manual
19
08S18+23DA
Daikin Altherma – Low temperature split
4P495245-1B – 2017.12
# Code Description
[2.9] [C‑07] ▪ 0: Leaving water
▪ 1: External room thermostat
▪ 2: Room thermostat
Setpoint mode
In Fixed mode, the desired leaving water temperature does NOT
depend on the outdoor ambient temperature.
In Weather dependent mode, the desired leaving water temperature
depends on the outdoor ambient temperature.
# Code Description
[2.4] N/A Setpoint mode
▪ 0: Fixed
▪ 2: Weather dependent
When weather dependent operation is active, low outdoor
temperatures will result in warmer water and vice versa. During
weather dependent operation, the user has the possibility to shift the
water temperature up or down by a maximum of 10°C.
Schedule
Indicates if the desired leaving water temperature is according to a
schedule. Influence of the LWT setpoint mode [2.4] is as follows:
▪ In Fixed LWT setpoint mode, the scheduled actions consist of
desired leaving water temperatures, either preset or custom.
▪ In Weather dependent LWT setpoint mode, the scheduled actions
consist of desired shift actions, either preset or custom.
# Code Description
[2.1] N/A ▪ 0: No
▪ 1: Yes
5.2.6 Configuration wizard: Additional zone
The most important settings for the additional leaving water zone
can be set here.
Emitter type
For more info about this functionality, see "5.2.5 Configuration
wizard: Main zone" on page 18 .
# Code Description
[3.7] [2‑0D] ▪ 0: Underfloor heating
▪ 1: Fancoil unit
▪ 2: Radiator
Control
The control type is displayed here, but cannot be adjusted. It is
determined by the control type of the main zone. For more info about
the functionality, see
"5.2.5 Configuration wizard: Main zone" on
page 18 .
# Code Description
[3.9] N/A ▪ 0: Leaving water if the control type of
the main zone is Leaving water.
▪ 1: External room thermostat if the
control type of the main zone is
External room thermostat or Room
thermostat.
Setpoint mode
For more info about this functionality, see "5.2.5 Configuration
wizard: Main zone" on page 18 .
# Code Description
[3.4] N/A ▪ 0: Fixed
▪ 2: Weather dependent
If you choose Weather dependent, the next screen will be the
detailed screen with weather-dependent curves. Also see
"5.2.7 Detailed screen with weather-dependent curve" on page 19 .
Schedule
Indicates if the desired leaving water temperature is according to a
schedule. Also see
"5.2.5 Configuration wizard: Main zone" on
page 18 .
# Code Description
[3.1] N/A ▪ 0: No
▪ 1: Yes
5.2.7 Detailed screen with weather-dependent
curve
When weather dependent operation is active the desired tank
temperature is determined automatically depending on the averaged
outdoor temperature. When the outdoor temperature is lower the
tank temperature will need to be higher as the water pipes will be
colder and vice versa.
The weather-dependent curves are defined by two setpoints:
▪ Setpoint (X1, Y2)
▪ Setpoint (X2, Y1)
Weather-dependent curve:
X1
Y1
Y2
X2
Y
a
X
Possible actions on this screen
Go through the temperatures.
Change the temperature.
Go to the next temperature.
Confirm changes and proceed.
Item Description
a Possible weather dependent zones:
▪ : Main zone or additional zone heating
▪ : Domestic hot water
X, X1, X2 Outdoor ambient temperature
Y, Y1, Y2 Desired tank temperature or leaving water temperature.
The symbol shown here corresponds to the heat emitter
for that zone:
▪ : Underfloor heating
▪ : Fan coil unit
▪ : Radiator
▪ : Domestic hot water tank
5.2.8 Configuration wizard: Tank
Heat up mode
The domestic hot water can be prepared in 3 different ways. They
differ from each other by the way the desired tank temperature is set
and how the unit acts upon it.