Daikin Altherma 3 GEO Series - Precautions When Connecting the Water Piping; To Connect the Water Piping

7 | Piping installation
Installer reference guide
72
EGSAH/X06+10UDA9W
Daikin Altherma 3 GEO
4P598592-1A – 2019.12
Typical workflow
Connecting the water piping typically consists of the following stages:
1 Connecting the water piping to the indoor unit.
2 Connecting the drain hose to the drain.
3 Connecting the recirculation piping.
4 Filling the space heating circuit.
5 Filling the domestic hot water tank.
6 Insulating the water piping.
7.3.2 Precautions when connecting the water piping
INFORMATION
Also read the precautions and requirements in the following chapters:
▪ "1General safety precautions"[46]
▪ "7.1Preparing piping"[463]
7.3.3 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.
1 Install the shut off-valve with integrated filter (delivered as accessory) at the
space heating/cooling water inlet.
2 Connect the space heating/cooling in pipe to the shut-off valve and the space
heating/cooling out pipe to the unit.
3 Connect the domestic hot water in and out pipes to the indoor unit. It is
obligatory to use the accessory G3 kit EKUHWG3D to comply with UK
legislation. See "7.3.4 To connect the water piping for domestic hot
water"[473].
a
b
c
d
b
a Space heating/cooling water OUT (Ø22mm)
b Space heating/cooling water IN (Ø22mm) and shut-off valve with integrated filter
(accessory)
c Domestic hot water: hot water OUT (Ø22mm)
d Domestic hot water: cold water IN (Ø22mm)
NOTICE
It is recommended to install shut-off valves to cold water in and hot water out
connections. Shut-off valves are field supplied.