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Installer reference guide
127
EWSAH/X06D
Daikin Altherma 3 WS
4P675764-1 – 2022.04
Energy buffering
System requirements
Description
Domestic hot water tank
On the user interface,
make sure to set
[9.1.3.3]=4 (
Domestic
hot water
=
Integrated
).
The system produces
domestic hot water. The
tank heats up the water
up to the maximum
temperature.
Room (heating)
▪
Allow for buffering in
the
room
on
the
configuration
web
interface.
▪
On the user interface,
make sure to set [2.9]=2
(
Control
=
Room
thermostat
).
The system heats up the
room up to the comfort
setpoint.
Room (cooling)
▪
Allow for buffering in
the
room
on
the
configuration
web
interface.
▪
On the user interface,
make sure to set [2.9]=2
(
Control
=
Room
thermostat
).
The system cools down
the room down to the
comfort setpoint.
INFORMATION
▪
The system will ONLY buffer energy when the indoor unit is in standby mode.
Normal operation (scheduled actions, etc.) has priority over energy buffering.
▪
On the configuration web interface, the buffering is default set to "domestic hot
water tank only".
▪
The maximum temperature during domestic hot water tank buffering is the
maximum tank temperature for the applicable tank type.
▪
The space heating/cooling setpoint during room buffering is the comfort setpoint
for the room.
▪
The system will ONLY buffer energy during space heating if the space heating
setpoint is lower than the heating comfort setpoint. The system will ONLY buffer
energy during space cooling if the space cooling setpoint is higher than the
cooling comfort setpoint.
Power limitation
In the "Recommended ON" operation mode, the power consumption of the heat
pump system is limited either statically or dynamically. In both cases, it is possible
to include the power consumption of the electrical heaters in the calculation
(default NOT the case).
