6 Configuration
Installation manual
31
EWSAH/X06UDA9W
Daikin Altherma 3 WS
4P675760-1 – 2021.10
Control
In this control...
Leaving water
Unit operation is decided based on the leaving
water temperature regardless the actual room
temperature and/or heating or cooling demand
of the room.
External room
thermostat
Unit operation is decided by the external
thermostat or equivalent (e.g. heat pump
convector).
Room thermostat
Unit operation is decided based on the ambient
temperature of the dedicated Human Comfort
Interface (BRC1HHDA used as room
thermostat).
#
Code
Description
[2.9]
[C‑07]
▪ 0:
Leaving water
▪ 1:
External room thermostat
▪ 2:
Room thermostat
Setpoint mode
Define the setpoint mode:
▪
Fixed
: the desired leaving water temperature does not depend on
the outdoor ambient temperature.
▪ In
WD heating, fixed cooling
mode, the desired leaving water
temperature:
▪ depends on the outdoor ambient temperature for heating
▪ does NOT depend on the outdoor ambient temperature for
cooling
▪ In
Weather
dependent
mode, the desired leaving water
temperature depends on the outdoor ambient temperature.
#
Code
Description
[2.4]
N/A
Setpoint mode
:
▪
Fixed
▪
WD heating, fixed cooling
▪
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 can 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
6.2.6
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
#
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
"6.2.5 Configuration wizard: Main zone"
30].
#
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
.
Schedule
Indicates if the desired leaving water temperature is according to a
schedule. Also see
"6.2.5 Configuration wizard: Main zone"
30].
#
Code
Description
[3.1]
N/A
▪ 0:
No
▪ 1:
Yes
6.2.7
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.
#
Code
Description
[5.6]
[6-0D]
Heat up mode
:
▪ 0:
Reheat
only
: Only reheat
operation is allowed.
▪ 1:
Sc reheat
: The domestic
hot water tank is heated according to a
schedule and between the scheduled
heat up cycles, reheat operation is
allowed.
▪ 2:
Schedule only
: The domestic hot
water tank can ONLY be heated
according to a schedule.
See the operation manual for more details.
Settings for Reheat only mode
During Reheat only mode, the tank setpoint can be set on the user
interface. The maximum allowed temperature is determined by the
following setting:
#
Code
Description
[5.8]
[6-0E]
Maximum
:
The maximum temperature that users
can select for the domestic hot water.
You can use this setting to limit the
temperature at the hot water taps.
The maximum temperature is NOT
applicable during disinfection function.
See disinfection function.
To set the heat pump ON hysteresis:
#
Code
Description
[5.9]
[6-00]
Heat pump ON hysteresis
▪ 2°C~40°C
