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Piping installation
Installer reference guide
79
EWSAH/X06D
Daikin Altherma 3 WS
4P675764-1 – 2022.04
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.
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.
8.3.4 To connect the recirculation piping
Prerequisite:
Only required if you need recirculation in your system.
1
Remove the top panel from the unit, see
61].
2
Cut out the rubber grommet on top of the unit, and remove the stop. The
recirculation connector is located below the space heating/cooling water
outlet pipe.
3
Route the recirculation piping through the grommet and connect it to the
recirculation connector.
4
Reattach the top panel.
8.3.5 To fill the space heating circuit
To fill the space heating circuit, use a field supply filling kit. Make sure you comply
with the applicable legislation.
