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BTHC 1000
2
Setup and installation instructions
2.1 General
The cylinder must be mounted and installed by an author-
ised specialist company!
The set-up must take place in a frost-protected room, the
cable paths must be kept as short as possible.
The installation location of the cylinder must be chosen so
that the lines can be routed sensibly.
Unevenness at the installation location must be evened
out, as the cylinder must stand level due to the risk of tip-
ping.
The cylinder is fixed on the transport pallet with screws.
The cylinder can be transported to the installation location
by loosening the screws (below the removable thermal in-
sulation of the cylinder).
All connecting sleeves which are not required should be
sealed with vent plugs.
The maximum permissible operating overpressure indi-
cated on the type plate must not be exceeded. It may be
necessary to mount a pressure reducer.
Electric heating elements (immersion heaters) must only
be connected by authorised electricians according to the
corresponding circuit diagram. All relevant requirements of
the utility company, the Association of German Engineers
(VDE) and DIN 4751-2 must be observed.
NOTE
Damage to the thermal insulation, in particular during
installation, must be avoided. Even minor damage can result in
condensate fallout. This means that the insulation protection
of the buffer tank during cooling operation is no longer
effective.
NOTE
All connections lead out from the cylinder and are flush to the
cylinder casing of the (removable) thermal insulation. The
connecting stubs are fitted with a 25 mm thermal insulation to
the thread to prevent condensate. All connecting stubs not
required for the installation (flow and return, immersion
sleeves and sleeves for electric heating elements) must be
closed with a sealing plug and sealed with thermal insulation
with a thickness of at least 25 mm.
All outgoing pipes must also be fitted with thermal insulation.
To achieve optimal protection from condensate fallout, pipe
and cylinder thermal insulation should overlap on the interface.
2.2 Safety valve
If the buffer tank is fitted with one or more immersion heaters,
it must additionally be equipped with a type-tested diaphragm
safety valve which cannot be shut off.
2.3 Commissioning
Ensure that the water supply is turned on and the buffer tank is
filled before commissioning.
The first filling and commissioning must be performed by an
authorised specialist company.
If a connecting stub is not in use, it should be sealed using a cap
or sealing plug.
NOTE
The subsequent installation of the cylinder must take place
with the thermal insulation/panelling fitted.
NOTE
If the thermal insulation of the cylinder is removed in the cold
months, it must be stored at room temperature before
installation in order to avoid damage to the insulation and
fastening mechanism.
NOTE
A means of draining the cylinder should be provided on the
lower stub (base of the cylinder).
NOTE
After the cylinder has been installed and the insulation fitted,
affix the supplied type plate and connection diagram so that
they are visible on the cylinder casing.
The connection diameter must have a nominal width (NW) of at
least 20. The air outlet pipe must not allow any pressure in-
crease to take place.
The operational reliability of the safety valve must be checked
at regular intervals.
The entire system, including all installed components, should
be inspected to ensure that everything is working properly and
that there is no leakage.
452115.66.85 · FD 0301
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