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Piping installation
Installer reference guide
81
EPRA14~W1 + ETVH/9W(G)
Daikin Altherma 3 H HT F
4P587502-1 – 2019.07
c
Shut-off valve with integrated filter (delivered as accessory)(2× screw connection,
female, 1")
d
Thread sealant
2
Connect the field piping to the shut-off valve.
3
Connect the field piping to the outdoor unit water outlet.
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
Install air purge valves at all local high points.
Indoor unit
1
Connect the O-rings and shut-off valves to the outdoor unit water connection
pipes of the indoor unit.
2
Connect the outdoor unit field piping to the shut-off valves.
3
Connect the O-rings and shut-off valves to the space heating/cooling water
pipes of the indoor unit.
4
Connect the space heating/cooling field piping of both zones to the shut-off
valves.
5
Connect the domestic hot water in and out pipes to the indoor unit.
d
c
b
a
e
f
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, 3/4")
d Domestic cold water IN (cold water supply)(screw connection, 3/4")
e Outdoor unit water OUT (screw connection, 1")
f Outdoor unit water IN (screw connection, 1")
NOTICE
It is recommended to install shut-off valves to domestic cold water in and domestic
hot water out connections. These shut-off valves are field supplied.