Daikin ETVH16UE6V7 Installer's Reference Manual page 97

EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1D – 2023.10
a
D1
≤600 mm
≥300 mm
a Safety device (pressure and temperature relief valve of domestic hot water tank;
pressure relief valve of domestic hot water tank kit)
b Tundish
c Fixed grating
d Trapped gully
D1 Metal discharge pipe from safety device to tundish
D2 Discharge pipe from tundish, with continuous fall. See Building Regulation G3
section 3.56, Table 03 and worked example.
10 After completing the installation, the installer has to fill out the warning label
on the tank with indelible ink. The warning label can be found on the unit top
plate.
WARNING
The discharge pipes from the pressure relief valves MUST terminate in a safe and
visible position without forming any risk to persons in the vicinity.
WARNING
▪
Discharge piping, tundish, drain valves, etc. MUST be positioned away from any
electrical components.
▪
The discharge pipe away from the tundish MUST terminate in a safe, visible
position without forming any risk to persons in the vicinity.
WARNING
▪
Do NOT install any valves between the domestic hot water tank and relief valves/
expansion vessel.
▪
Do NOT install shut-off valves between the expansion relief valve and the
domestic hot water tank.
b
D2
c
8 Piping installation
|
d
Installer reference guide
97