Daikin EKHWP300B, Installation And Operating Instructions Manual

Page: 16 / 36

Installation and operating instructions
16
Daikin EKHWP/EKHWC/EKHWD
Daikin High-efficiency hot water storage tank
008.1618744 – 03/2017
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).
4.2 Installation
4.2.1 Important information
● 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.
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)
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
.