8
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Piping installation
Installer reference guide
75
EPRA14~W1 + ET9W
Daikin Altherma 3 H HT F
4P644739-1 – 2021.02
8.2.3 To connect the water piping
NOTICE
Do NOT use excessive force when connecting the field piping and make sure the
piping is aligned properly. Deformation of the piping can cause malfunctioning of the
unit.
Outdoor unit
1
Connect the shut-off valve (with integrated filter) to the outdoor unit water
inlet, using thread sealant.
c
a
b
b
d
1
2
a
Water OUT (screw connection, male, 1")
b
Water IN (screw connection, male, 1")
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
NOTICE
Do NOT use excessive force when connecting the piping. Deformation of the piping
can cause malfunctioning of the 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 both zones 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.
Summary of Contents for ETVZ16S18EA6V
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