Daikin EHVH08SU18DA6V7 [11/36] Installation
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Daikin EHVH08SU18DA6V7 [11/36] Installation

Daikin EHVH08SU23DA6V7 [11/36] Installation
4 Installation
Installation manual
11
EHVH04+08SU18+23DA6V7
Daikin Altherma 3 R F
4P619456-1 – 2020.03
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 2
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: Electric 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 Using the accessory brass compression coupler, connect the
accessory pipe (see "2.2.1To remove the accessories from the
domestic hot water tank kit"[44]) to the pipe connection located
at the back of the unit. This pipe starts at the pressure relief
valve of the domestic hot water tank.
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):
≤600 mm
≥300 mm
a
D1
D2
c
b
d
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.
4.4.3 To connect the recirculation piping
Prerequisite: Only required if you need recirculation in your system.
1 Remove the top panel from the unit, see "4.1.1 To open the
indoor unit"[47].
2 Cut out the rubber grommet on top of the unit, and remove the
stop. The recirculation connector is placed below the hole.
3 Route the recirculation piping through the grommet and connect
it to the recirculation connector.
4 Reattach the top panel.

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