Daikin Altherma 3 R F Installer's Reference Manual page 114

8 | Piping installation
Installer reference guide
114
d Expansion vessel of 18 l – 3/4" Male BSP
e Tundish 15 mm inlet, 22 mm outlet
1 Pre-assemble the adaptor and expansion vessel so that the expansion vessel is
ready for installation.
2 Mount the expansion vessel to the wall.
1
3 Fit the T-piece (part of the kit) to the domestic hot water cold water IN pipe of
the unit.
4 Connect the pressure reducing valve/pressure relief valve combination (part
of the kit) to the T-piece with a length of copper tube Ø22 mm (field supply).
5 Connect the expansion vessel to the T-piece with a length of copper tube
Ø22 mm (field supply).
6 Connect the pressure reducing valve/pressure relief valve combination to the
water mains inlet.
7 Install the tundish (part of the kit) in a vertical position within a maximum of
600 mm away from the pressure reducing valve/pressure relief valve
combination.
WARNING
Install the tundish away from any electrical device. Possible consequence: Electrical
shock or fire.
NOTICE
To ensure a free water flow through the discharge pipe, manually operate the
pressure relief valve by turning its knob left.
8 Use the quick fixture to connect the discharge pipe (see
accessories from the indoor
located at the back of the unit, and fix the pipe to the rear plate with the cable
tie + clip. This pipe starts at the pressure relief valve of the domestic hot water
tank. After connecting the discharge pipe, cover the hole with the antisweat
sticker.
2
4
unit" [ 25]) to the pipe connection in the hole
"4.3.2 To remove the
ERLA11~16DAV3+W1 + EBVH16SU23DJ
Daikin Altherma 3 R F
4P655196-1 – 2021.09