To Connect The Water Piping For Domestic Hot Water - Daikin Altherma 3 WS EWSAH06UD 9W Series Installer's Reference Manual

8.3.4 To connect the water piping for domestic hot water

EWSAH/X06UD
Daikin Altherma 3 WS
4P675765-1 – 2022.04
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.
a
e
e
8‒1 Connect water piping for DHW
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 or 8 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.
d
b
c
8 Piping installation
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Installer reference guide
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