Daikin ETSX16E Installer's Reference Manual page 94

8 | Piping installation
Installer reference guide
94
b
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
To avoid damage to the surroundings in case of water leakage, it is recommended to
close the domestic cold water inlet shut‑off 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.
a
d
EPRA14~18D + ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
4P679467-1D – 2023.11