Daikin Altherma 3 GEO Series Installer's Reference Manual page 123

Power limitation
EGSAH/X06+10UDA9W
Daikin Altherma 3 GEO
4P598592-1A – 2019.12
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.
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).
IF
Static power limitation
(Static power limitation)
Dynamic power limitation
(Pulse meter setting)
INFORMATION
▪
In the "Forced ON" operation mode, energy buffering happens WITHOUT power
limitation.
▪
To get the most out of the energy buffering it is recommended to make use of
dynamic power limitation by way of an electricity meter.
▪
The electrical heaters will ONLY operate when the power limitation is higher than
the power rating of the heaters.
9
THEN
The power consumption of the indoor
unit is limited statically based on a fixed
value (default 1.5 kW) that is set in the
configuration web interface. During
energy buffering, the power
consumption of the indoor unit will NOT
exceed this limit.
The value for this setting is only used if
the system does not include an
electricity meter (on the configuration
web interface: Pulse meter setting: "No
meter"). Otherwise, make use of
dynamic power limitation.
The power limitation is auto-adaptive,
and dynamically performed based on
the power injection into the grid,
measured by the electricity meter. To
minimise the power injection into the
grid, the indoor unit operates as much
as possible.
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