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4.5.7
Water treatment
Introduction
Treat the water in the installation to limit corrosion, calcium and
limescale deposits, sludge, microbiological contamination, etc.
Warning:
An uncleaned installation or an installation using water of unsuitable
quality may bring about the cancellation of the warranty.
Degree of acidity (pH)
Conductivity to 25 °C
Chlorides
Other components
Hardness of the water of the installation for a capacity
of water < 6 l/kW
Hardness of the water of the installation for a capacity
of water > 6 l/kW
Recommendations
Reduce the quantity of oxygen in the heating circuit to the
minimum
Limit the annual quantity of water added to the circuit to 5% of
the total water volume in the installation.
New installation:
- Completely clean the installation of all residues (plastic waste,
installation parts, oils, etc.)
- Use an inhibitor in combination with a softener
Existing installation:
If the water quality in the installation is insufficient, several options
are possible
- Install one or more filters
Manufacturer
Fernox
GE-Water / Betzdearborn
Other manufacturers propose similar products.
24
µS/cm
mg/l
mg/l
°f
°dH
mmol/l
°f
°dH
mmol/l
The products
Restorer
Protector
Alphi 11
Sentinel X100
Sentinel X200
Sentinel X300
Sentinel X400
Sentinel X500
For an optimum functioning of the boiler, the water of the installation
must comply with following characteristics:
Output ≤ 70 kW
Heating body
Cast iron / steel
8,5 - 10
≤ 800
≤ 150
< 1
1 - 20
0,5 - 11,2
0,1 - 2
1 - 15
0,5 - 8,4
0,1 - 1,5
- Completely clean the installation to evacuate any impurities and
deposits in the heating circuit. To do this, a considerable and
controlled flow rate is required
- Clean the boiler (dirt, deposits, calcium, etc.)
De Dietrich Thermique S.A.S. recommends the following
products:
Warning
In all cases:
Check the compatibility of the product with the materials
used in the installation.
Respect the manufacturer's instructions (use, dose, etc.)
to obviate any hazards (corporal, material, environmental).
.
Function
Universal cleaner for existing installations
protective product
protective product and antifreeze agent
protective product
Limescale remover
protective product for new installations
Inhibitor for existing installations
protective product and antifreeze agent
GTU C 330
Output >70 kW
or Installation working in
constant temperature
Heating body
Cast iron / steel
8,5 - 10
≤ 800
≤ 150
< 1
1 - 5
0,5 - 2,8
0,1 - 0,5
1 - 5
0,5 - 2,8
0,1 - 0,5
07/04/2009 - 300016152-001-C
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