Installation; Important Information - Daikin EKHWP300B Installation And Operating Instructions Manual

4 x Set-up and installation
● Transport the hot water storage tank carefully to the site of
erection, using the carrier loops provided.
● Install the domestic hot water storage tank at the installation
site. Recommended distance to the wall (s1): ≥200 mm
(fig. 4-2).
For installation of an optional electrical immersion
heater (see chap. 3.4) you will need a minimum dis-
tance "X" of ≥1200 mm to the ceiling.
When setting up the unit in a cabinet, behind panels or
in other restricted conditions, sufficient ventilation 
(e.g., using ventilation gratings) must be ensured.
Fig. 4-2 Install hot water storage tank (shown on the EKHWP)
Installation and operating instructions
16

4.2 Installation

4.2.1 Important information

WARNING!
There is a danger of scalding at water tempera-
tures >60 °C. This can arise with solar energy
utilisation, if the Legionella protection is acti-
vated or if the target temperature is set to
>60 °C.
● Fit scalding protection (see chapter 3.4.4
"Scalding protection").
CAUTION!
If the hot water storage tank is connected to a
heating system with steel pipes, radiators or
non-diffusion-proof underfloor heating pipes,
sludge and swarf could enter the hot water
storage tank and cause blockages, local over-
heating or corrosion.
● Flush the feed pipes before filling the heat
exchanger.
● Rinse out the heat distribution network (in the
existing heating system).
● Fit a dirt filter or sludge catcher in the heating
return pipe (see chap. 3.4.3).
CAUTION!
If the heat exchanger has an external heating
unit (e.g. pressurised solar system, wood-
burning boiler) connected for charging the pres-
surised solar system (fig. 3-4 / fig. 3-2,
item 22+23), too high a flow temperature can
cause damage to or destroy the Daikin
EKHWP / EKHWC / EKHWD.
● The feed flow temperature of the external
heater should be limited to max. 95 °C.
● For domestic water pipes observe the stipulations of
EN 806 and EN 1717.
● The position and dimensions of the connections can be taken
from fig. 3-1 to fig. 3-4.
● Check the cold water connection pressure (maximum 6 bar).
– If a higher pressure is present in the domestic water pipe,
a pressure reducer will need to be installed.
● Connect the pressure relief line to the safety pressure relief
valve (customer supply) and connect the diaphragm
expansion tank as per EN 12828.
Daikin EKHWP/EKHWC/EKHWD
Daikin High-efficiency hot water storage tank
008.1618744 – 03/2017