Heating System And Sanitary Connection; Operation - Daikin Altherma EHSX04P30D Instructions D'installation Et De Maintenance

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Measures for desalination, softening or hardness stabilisation are
necessary if the filling and top-up water have a high total hardness
(>3 mmol/l - total of the calcium and magnesium concentrations, cal-
culated as calcium carbonate). We recommend the use of Fernox
KSK limescale and corrosion protector. For other properties deviat-
ing from the minimum requirements, suitable conditioning measures
are necessary to maintain the required water quality.
Using filling water and top-up water which does not meet the stated
quality requirements can cause a considerably reduced service life
of the device. The responsibility for this lies solely with the operator.
1.2.6

Heating system and sanitary connection

▪ Create a heating system according to the safety requirements of
EN 12828.
▪ The plumbing connection must comply with the requirements of
EN 12897. The requirements of the following must also be ob-
served:
▪ EN 1717 – Schutz des Trinkwassers vor Verunreinigungen in
Trinkwasser-Installationen und allgemeine Anforderungen an
Sicherheitseinrichtungen zur Verhütung von Trinkwasserverun-
reinigungen durch Rückfließen. Protection against pollution of
potable water installations and general requirements of devices
to prevent pollution by backflow. Protection contre la pollution
de l'eau potable dans les réseaux intérieurs et exigences
générales des dispositifs de protection contre la pollution par
retour
▪ EN 61770 – Elektrische Geräte zum Anschluss an die
Wasserversorgungsanlage – Vermeidung von Rücksaugung
und des Versagens von Schlauchsätzen. Electric appliances
connected to the water mains – Avoidance of backsiphonage
and failure of hose-sets. Appareils électriques raccordés au
réseau d'alimentation en eau – Exigences pour éviter le retour
d'eau par siphonnage et la défaillance des ensembles de rac-
cordement
▪ EN 806 – Technische Regeln für Trinkwasserinstallationen
(TRWI). Specifications for installations inside buildings convey-
ing water for human consumption. Spécifications techniques re-
latives aux installations pour l'eau destinée à la consummation
humaine à l'intérieur des bâtiments
▪ and, in addition, the country-specific legislation.
During operation of the Daikin Altherma EHS(X/H) with additional
heat source, the storage tank temperature may exceed 65 °C, above
all when solar energy is used.
▪ For this reason, some form of scalding protection needs to be in-
cluded when you install the system (hot water mixing device, e.g.
VTA32).
If the Daikin Altherma EHS(X/H) is connected to a heating system
with steel pipes, radiators or non-diffusion-proof floor heating pipes,
sludge and chips can enter the hot water storage tank and cause
blockages, local overheating or corrosion damage.
▪ To prevent possible damage, install a dirt filter or sludge separator
into the heating return flow of the system (SAS 1 or SAS 2).
▪ The dirt filter must be cleaned at regular intervals.
1.2.7

Operation

The Daikin Altherma EHS(X/H):
▪ Do not operate until all installation and connection work is com-
pleted.
▪ Only operate with a completely full storage tank (Level indicator)
and heating circuit.
▪ Operate at a maximum pressure of 3 bar.
▪ Only connect with a pressure reducer on the external water supply
(supply line).
▪ Only operate the with the specified quantity of coolant and the
type of coolant specified.
Daikin Altherma EHS(X/H)
Daikin Altherma integrated solar unit
008.1444099_00 – 07/2018 – EN
1
General safety precautions
▪ only operate if the protective cover is installed.
The specified servicing intervals should be adhered to and inspec-
tion work must be carried out.
Installation and maintenance instructions
5

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