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Configuration
Installer reference guide
237
ERRA08~12E + ELVH/23E
Daikin Altherma 3 R MT F
4P708474-1 – 2023.05
Smart Grid contact
[9.8.5]
Smart grid operation
mode
1
2
1
0
Recommended on
1
1
Forced on
Free running
:
The Smart Grid function is NOT active.
Forced off
:
▪
The unit forces OFF the compressor and the backup heater.
▪
The protective functions (room frost protection, tank disinfection) and defrost
are NOT overruled (capacity will not be limited for these functions)
246].
Recommended on
:
▪
In case the space heating/cooling request is OFF and the tank temperature
setpoint is reached, the unit can choose to buffer energy from the photovoltaic
panels in the room (only in case of room thermostat control) or in the DHW tank
instead of putting the photovoltaic panel energy on the grid.
In case of room buffering, the room will heat up or cool down to the comfort
setpoint. In case of tank buffering, the tank will heat up to the maximum tank
temperature.
▪
The goal is to buffer the energy from the photovoltaic panels. Therefore, the
capacity of the unit is limited to what the photovoltaic panels are providing:
If Smart Grid pulse meter is…
Then the limit is…
Available
Decided by the unit based on the input
of the Smart Grid pulse meter.
Not available
Decided by [9.8.8]
Limit setting
kW
▪
The protective functions (room frost protection, tank disinfection) and defrost
are NOT overruled (capacity will not be limited for these functions)
246].
Forced on
:
Similar to
Recommended on
, but there is no capacity limitation. The goal is NOT to
use the grid as much as possible.
Emergency mode.
In case emergency mode is active, buffering with electrical
heater is NOT possible in
Forced on
and
Recommended on
operation modes.
Power consumption control
Power consumption control
See
33] for detailed information about this
functionality.
