Daikin Altherma EPGA011-016DV, Руководство по установке для специалистов, Страница: 32 / 104

7 Installation
Installer reference guide
32
EPGA11~ EABH/9W
Daikin Altherma – Low temperature split
4P556069-1 – 2018.10
7.5.3 To connect the water piping
Outdoor unit
c
b
a
a
d
c
a Water inlet
b Water outlet
c Shut-off valve
d O-ring
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
1 Connect the O-rings and shut-off valve to the outdoor unit water
inlet.
2 Connect the field piping to the shut-off valve.
3 Connect the field piping to the outdoor unit water outlet.
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.
4 Connect the O-rings and shut-off valves to the indoor unit water
connections.
5 Connect the outdoor unit field piping on the water IN connection
(a) of the indoor unit.
6 Connect the space heating/cooling field piping on the space
heating water OUT connection (b) of the indoor unit.
a b
b a
a Water IN connection
b Space heating water OUT connection
NOTICE
Overpressure bypass valve (delivered as accessory). We
recommend to install the overpressure bypass valve in the
space heating water circuit.
▪ Mind the minimum water volume when choosing the
installation location of the overpressure bypass valve
(at the indoor unit, or at the collector). See
"6.3.3 To
check the water volume and flow rate" on page 24 .
▪ Mind the minimum flow rate when adjusting the
overpressure bypass valve setting. See "6.3.3 To
check the water volume and flow rate" on page 24 and
"9.4.1 To check the minimum flow rate" on page 71 .
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 must be installed on the
domestic cold water inlet connection in accordance with
the applicable legislation.
7.5.4 To connect the recirculation piping
7.5.5 To fill the water circuit
To fill the water circuit, use a field supply filling kit. Make sure you
comply with the applicable legislation.
INFORMATION
Make sure both air purge valves (one on the magnetic filter
and one on the backup heater) are open.