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Safety
FA ROTEX HPSU monobloc compact • 09/2017
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2.4.3 Site of installation
For safe and fault-free operation, the installation
location of the ROTEX HPSU monobloc compact
must meet certain criteria. Information on this
can be found in chap. 4.2.
Information on the installation site of other com-
ponents can be found in the associated docu-
mentation supplied with them.
2.4.4 Heating system and sanitary
connection
Ɣ
Create a heating system according to the
safety requirements of EN 12828.
Ɣ
With a sanitary connection you must comply
with
– EN 1717 – Protection against pollution of
potable water installations and general
requirements of devices to prevent pollu-
tion by backflow
– EN 806 – Specifications for installations
inside buildings conveying water for human
consumption
– and, in addition, the country-specific legal
regulations.
The connection of a solar installation, an electric
heating rod or an alternative heat generator may
cause the storage temperature to exceed 60 °C.
Ɣ
Scalding protection (e.g. VTA32
15 60 15
+ Screw set 1"
15 60 16
) must therefore
be fitted during installation.
If the ROTEX HPSU monobloc compact is
connected to a heating system with steel pipes,
radiators or non-diffusion-proof floor heating
pipes, sludge and swarf can enter the hot water
storage tank and cause blockages, local
overheating or corrosion damage.
Ɣ
To prevent possible damage, fit a dirt filter or
sludge separator into the heating return flow
of the system.
– SAS 1 (
15 60 21
)
Ɣ
The dirt filter must be cleaned at regular
intervals.
2.4.5 Requirements for the heating water
Observe the relevant regulations of technology
to prevent creation of corrosion products and de-
posits.
Minimum requirements regarding the quality
of filling and supplementary water:
– Water hardness (calcium and magnesium,
calculated as calcium carbonate):
3 mmol/l
– Conductivity:
1500 (ideal:
100)
ȝ
S/cm
– Chloride:
250 mg/l
– Sulphate:
250 mg/l
– pH-values (heating water): 6.5 - 8.5
Using filling water and top-up water which does
not meet the stated quality requirements can
cause a considerably reduced service life of the
equipment. The responsibility for this lies solely
with the operator.
2.4.6 Operation
The ROTEX HPSU monobloc compact:
Ɣ
Do not operate until all installation and
connection work is completed.
Ɣ
Only operate with a completely full storage
tank (Level indicator) and heating circuit.
Ɣ
Operate at a maximum pressure of 3 bar.
Ɣ
Only connect with a pressure reducer on the
external water supply (supply line).
Ɣ
only operate if the protective cover is installed.
The specified servicing intervals should be
adhered to and inspection work must be car-
ried out.
2.4.7 Instruct the owner
Ɣ
Before you hand over the ROTEX HPSU
monobloc compact, explain to the user how to
operate and check the system.
Ɣ
Hand over the technical documentation (this
document and all supporting documents) to
the user and advise him that these documents
must be made available at all times and be
stored in the immediate vicinity of the unit.
Ɣ
Document the handover by filling out the
installation and instruction forms together with
the owner and sign them.