Daikin Altherma 3 GEO Series - To Connect the Water Piping for Domestic Hot Water

7 | Piping installation
Installer reference guide
73
EGSAH/X06+10UDA9W
Daikin Altherma 3 GEO
4P598592-1A – 2019.12
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
To avoid damage to the surroundings in case of domestic water leakage, it is
recommended to close the cold water inlet stop valves during periods of absence.
NOTICE
Install air purge valves at all local high points.
7.3.4 To connect the water piping for domestic hot water
a
e
e
b
d
c
a Pressure reducing valve/pressure relief valve combination. Water inlet and water
outlet 22mm connection, discharge piping connection 15mm
b Adaptor 22mm×3/4" Female BSP
c T-piece 22mm×22mm×22mm
d Expansion vessel of 18L – 3/4" Male BSP
e Tundish 15mm inlet, 22mm outlet
1 Pre-assemble the adaptor and expansion vessel so that the expansion vessel is
ready for installation.