Daikin Altherma 3 GEO Series - To Connect the Brine Filling Kit; To Fill the Brine Circuit

7 | Piping installation
Installer reference guide
70
EGSAH/X06+10UDA9W
Daikin Altherma 3 GEO
4P598592-1A – 2019.12
NOTICE
If it is not possible to install the brine level vessel as the highest point in the circuit,
install an expansion vessel (field supply) and install the safety valve in front of the
expansion vessel. Failure to observe this instruction may result in malfunctioning of
the unit.
b
a
a Brine level vessel (accessory)
b Expansion vessel (field supply, in case brine level vessel cannot be installed as the
highest point)
If the level of brine in the vessel is lower than 1/3, fill the vessel with brine:
4 Close the shut-off valve below the vessel.
5 Remove the safety valve on top of the vessel.
6 Top up the vessel with brine until it is approximately 2/3 filled.
7 Reconnect the safety valve.
8 Open the shut-off valve below the vessel.
7.2.5 To connect the brine filling kit
A brine filling kit (field supply or option kit KGSFILL2) can be used to flush, fill and
drain the brine circuit of the system.
For installation instructions, see the installation manual of the brine filling kit.
7.2.6 To fill the brine circuit
WARNING
Before, during and after filling carefully check the brine circuit for leakage.
INFORMATION
The materials used in the brine circuit of the unit are chemically resistant to the
following anti-freeze fluids:
▪ 40 mass% propylene glycol
▪ 29 mass% ethanol
1 Install the brine filling kit. See "7.2.5To connect the brine filling kit"[470].