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EPRA14~18DAV3+W1 + ETVH16SU18+23EA6V
Daikin Altherma 3 H HT F
4P644738-1 – 2021.02
9 Connect the 2 tundishes (1 from the pressure relief valve of the domestic hot
water tank, and 1 from the pressure relief valve of the domestic hot water
tank kit) to an appropriate drain according to the applicable legislation. The
following example shows discharge below fixed grating (Building Regulation
G3 section 3.61 gives alternative points of discharge):
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.
b
D2
c
8
Piping installation
|
d
Installer reference guide
95
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