Daikin EKHWET-BV3, Installer'S Reference Manual, Page: 42 / 120

8 | Piping installation
Installer reference guide
42
E120B
R32 Split series – Domestic hot water tank
4P680077-1A – 2022.11
▪ Recirculation pump. In accordance with the applicable legislation, it may be
required to connect a recirculation pump in between the hot water end point
and the cold water connection of the domestic hot water tank.
c
d
a b
e
a Cold water connection
b Hot water connection
c Shower
d Recirculation pump
e Non-return valve
8.4 Connecting water piping
8.4.1 About connecting the water piping
Before connecting the water piping
Make sure the outdoor and indoor unit are mounted.
Typical workflow
Connecting the water piping typically consists of the following stages:
1 Connecting the water piping to the indoor unit.
2 Filling the domestic hot water tank.
3 Insulating the water piping.
8.4.2 Precautions when connecting the water piping
INFORMATION
Also read the precautions and requirements in the following chapters:
▪
"2 General safety precautions" [ 4 9]
▪
"8.3 Preparing water piping" [ 4 40]
8.4.3 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 Connect the domestic hot water in and out pipes to the indoor unit.