Outlook Diagram; Installation Guidelines; Installing The Domestic Hot Water Tank; Connecting The Water Circuits - Daikin EKHWSU150BA3V3 Installation Manual

Outlook diagram

73
105
1 Hot water connection
2 Recirculation hole
3 Flow inlet connection (see also
page 4 regarding pipe size to use)
4 Return outlet connection (see also
on page 4 regarding pipe size to use)
5 Cold water connection
6 Temperature and pressure relief valve connection
7 Thermistor socket
8 Threaded thermistor hole
9 Warning label
EKUHWBB + EKHWSU150~300BA3V3
Domestic hot water tank with option kit for air to water heat pump
system
4P610549-1 – 2020.01
30
45
15
15 mm
595
"Installation guidelines" on

"Installation guidelines"

EKHWSU150BA3V3
EKHWSU200BA3V3
EKHWSU300BA3V3
Installation guidelines
Keep in mind the following guidelines when installing the domestic
hot water tank:
 The installation location is frost-free.
 Make sure to make the piping in size 1" or more (and reduce to
3/4" at the inlet of the tank) as to have sufficient water volume in
the piping between unit and domestic hot water tank.
 Locate the domestic hot water tank in a suitable position to
facilitate easy maintenance; remember access is required to the
electrical box. Refer to the grey zones in the outlook diagram.
 If installing an EKHWSU* domestic hot water tank, installing the
option kit EKUHWBB is obligatory. Refer to the UK Building
Regulation G3.
 Take care that in the event of a leak, water cannot cause any
damage to the installation space and surroundings.

Installing the domestic hot water tank

1 Check if all domestic hot water tank accessories (see
"Accessories" on page
2 Place the domestic hot water tank on a level floor surface. Make
6
1
sure the tank is mounted level.
3 Apply thermal paste to the thermistor and insert the thermistor
as deep as possible in the thermistor socket. Fix using the nut
provided.
2

Connecting the water circuits

Refer to "Typical application examples" described in the installation
manual delivered with the unit for details on connecting the water
circuits and the motorised 3-way valve.
Connecting the 3-way valve
7
3
1 Refer to the figure below before making the connection.
9
8
4
5
77
111
H1 H2 H3
945 mm 520 mm 185 mm 1038 mm 650 mm
1195 mm 675 mm 200 mm 1288 mm 875 mm
1645 mm 675 mm 200 mm 1738 mm 875 mm
1) are enclosed.
13
38 67
H4 H5
Installation manual
4