Smart Grid Application - Daikin Altherma 3 GEO Series Installer's Reference Manual

9 | LAN adapter

9.5 Smart Grid application

Installer reference guide
120
INFORMATION
The LAN adapter only checks the configuration of the DIP switch after a power reset.
To configure the DIP switch, therefore make sure the power to the adapter is OFF.
INFORMATION
"Power" is both the power supplied by the indoor unit AND the 230 V AC detection
voltage supplied to X1A.
INFORMATION
To use the LAN adapter for the Smart Grid application, it is required that DIP switch 1
is set to "OFF" (default the case). Alternatively, to disable the possibility of using the
LAN adapter for the Smart Grid application, it is possible to set DIP switch 1 to "ON".
NOTICE
Use appropriate tooling to set the DIP switches to another position. Beware of
electrostatic discharge.
The LAN adapter allows for the connection of the heat pump system to a solar
inverter/energy management system, and enables it to run in various Smart Grid
operation modes. In this way, all system components work together to limit the
injection of (self-generated) power into the grid, instead converting this power into
thermal energy by making use of the thermal storage capacity of the heat pump.
This is called "energy buffering".
The system can buffer energy in the following ways:
▪ Heat up the domestic hot water tank
▪ Heat up the room
▪ Cool down the room
The Smart Grid application is controlled by the solar inverter/energy management
system, that monitors the grid, and sends commands to the LAN adapter. The
adapter is connected to the solar inverter/energy management system (digital
outputs) by way of connector X1A (digital inputs).
Solar inverter/energy management
system
(digital outputs)
Digital output 1
Digital output 2
The solar inverter/energy management system controls the state of the digital
inputs of the LAN adapter. Depending on the state of the inputs (open or closed),
the heat pump system can run in the following Smart Grid operation modes:
X1A
(digital inputs)
SG0
(X1A/1+2)
SG1
(X1A/3+4)
EGSAH/X06+10UDA9W
Daikin Altherma 3 GEO
4P598592-1A – 2019.12