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5 Piping installation
1
6 Cut open the top cover.
If the space heating/cooling or the domestic hot water pipes are
directed upwards, the top cover must be cut along the perforation
with a suitable tool.
7 Support the water piping.
For rearward facing connections: Support hydraulic lines suitably
according to the spatial conditions. This is valid for all water pipes.
Installation manual
12
2
b
a
c
a
Space heating/cooling water OUT (screw connection, 1")
b
Space heating/cooling water IN (screw connection, 1")
c
Domestic hot water OUT (screw connection, 1")
d
Domestic cold water IN (cold water supply)(screw
connection, 1")
NOTICE
▪ It is recommended to install shut-off valves on the
space heating/cooling water in and out connections, as
well as on the domestic cold water in and domestic hot
water out connections. These shut-off valves are field
supplied.
▪ However, make sure there is no valve between the
pressure relief valve (field supply) and the DHW
tank.
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.
d
ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
4P679468-1B – 2022.09
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