To Connect The Brine Filling Kit; To Fill The Brine Circuit; To Insulate The Brine Piping; Connecting Water Piping - Daikin Altherma 3 GEO EGSAH06DA9W Installation Manual

7 Reconnect the safety valve.
8 Open the shut-off valve below the vessel.
4.2.3

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.
4.2.4

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
kit" [ 4 11].
2 Connect a field supplied brine filling system to the 3-way valve.
3 Position the 3‑way valve correctly.
a
b
c
a Brine level vessel (accessory)
b Brine filling kit (field supply or option kit KGSFILL2)
c Brine filling system (field supply)
4 Fill the circuit with brine until a pressure of ±2.0 bar (= 200 kPa).
5 Return the 3‑way valve to its original position.
NOTICE
A field supplied filling kit may come without a filter that
protects components in the brine circuit. In this case, it is
the responsibility of the installer to install a filter on the
brine side of the system.
WARNING
Temperature of the fluid running through the evaporator
can become negative. It MUST be protected against
freezing. For more information, see setting [A‑04] in
temperature" [ 4 32].
"6.4.4 Brine freezing
EGSAH/X06+10DA9W(G)
Daikin Altherma 3 GEO
4P569811-1C – 2020.07
"4.2.3 To connect the brine filling
4.2.5

To insulate the brine piping

The piping in the complete brine circuit MUST be insulated to
prevent reduction of the heating capacity.
Consider that the brine circuit piping inside the house can/will
condensate. Foresee adequate insulation for these pipes.
4.3

Connecting water piping

4.3.1

To connect the water piping

NOTICE
Do NOT use excessive force when connecting the field
piping and make sure the piping is aligned properly.
Deformation of the piping can cause malfunctioning of the
unit.
1 Install the shut off-valve with integrated filter (delivered as
accessory) at the space heating/cooling water inlet.
2 Connect the space heating/cooling in pipe to the shut-off valve
and the space heating/cooling out pipe to the unit.
3 Connect the domestic hot water in and out pipes to the indoor
unit.
d
c
b
a
b
a Space heating/cooling water OUT (Ø22 mm)
b Space heating/cooling water IN (Ø22 mm) and shut-off
valve with integrated filter (accessory)
c Domestic hot water: hot water OUT (Ø22 mm)
d Domestic hot water: cold water IN (Ø22 mm)
NOTICE
It is recommended to install shut-off valves to cold water in
and hot water out connections. Shut-off valves are field
supplied.
NOTICE
About the shut-off valve with integrated filter (delivered as
accessory):
▪ The installation of the valve at the water inlet is
mandatory.
▪ Mind the flow direction of the valve.
NOTICE
Expansion vessel. An expansion vessel (field supply)
MUST be installed on the entering piping before the water
pump within 10 m of the unit.
NOTICE
Install air purge valves at all local high points.
NOTICE
A pressure relief valve (field supply) with an opening
pressure of maximum 10 bar (=1 MPa) must be installed
on the domestic cold water inlet connection in accordance
with the applicable legislation.
4 Piping installation
Installation manual
11