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We reserve the right to modify technical specifications without prior notice.
83050800aUK – Translation of the operating manual
© Alpha-InnoTec GmbH
prinCiples of part i and part ii
The occurrence of scaling and corrosion damage in hot
water heating systems is low, if
- proper planning, design and commissioning is carried
out
- the system is closed in corrosion terms
- adequately dimensioned pressurising is integrated
- the guide values for the heating water are complied
with
- and regular servicing and maintenance are carried out.
A system log should be kept, in which the relevant
planning & design data is entered (vdI 2035).
damage that Can oCCur in Case of failure to
Comply With the above
- malfunctions and the failure of components (e.g. pumps,
valves)
- Internal and external leaks (e.g. from heat exchangers)
- cross-section reduction and blocking of components
(e.g. heat exchanger, pipes, pumps)
- material fatigue
- Gas bubbles and gas cushion formation (cavitation)
- negative effect on heat transfer (formation of coatings,
deposits) and associated noises (e.g. boiling noises,
flow noises)
limesCale – the energy killer
Filling with untreated drinking water inevitably leads to
the precipitation of all calcium as scale. The consequence:
limescale deposits form on the heat transfer surfaces of
the heating. The efficiency falls and the energy costs rise.
A rule of thumb is that 1 millimetre of limescale deposit
causes an efficiency loss of 10%. In extreme cases it can
even cause damage to the heat exchangers.
Water softening to vdi 2035 – part i
If the water is softened in accordance with the vdI 2035
guidelines before it is used to fill the heating system, no
scale can form. This effectively and permanently prevents
limescale deposits and the resulting negative effects on
the entire heating system.
flushing and filling the system
Important
The system must be absolutely free from air
before commissioning.
flushing and filling the heating CirCuit
Water quality
of the fill and top-up Water in Water heating
systems aCCording to vdi 2035 part i and ii
Use of modern, energy-efficient heat pump systems
is becoming increasingly widespread. Their ingenious
technology enables these systems to achieve very
good efficiencies. The decreasing space available
for heat generators has led to the development of
compact units with increasingly smaller cross-sections
and high heat transfer capacities. This means that the
complexity of the systems and the material diversity
are also increasing, which plays an important role,
especially in their corrosion behaviour. Alpha InnoTec
ensures continuous technological advances, but all these
technical refinements require the system to be operated
with correctly filled heating water. The heating water
not only affects the efficiency of the system, but also the
life of the heat generator and the heating components of
a system.
The guide values of vdI 2035 part I and part II must
therefore be complied with as minimum requirements
for proper operation of the systems. our practical
experience has shown that the safest, most reliable and
fault-free running is achieved with so-called low-salt
operation.
vdI 2035 part I provides important information and
recommendations regarding scaling and its prevention in
heating and domestic hot water heating systems.
vdI 2035 part II primarily deals with the requirements
for reducing heating water corrosion in hot water
heating systems.
