26
Installation
Water and hydraulic system
Heating water quality
Fill the installation with
drinking water.
In most cases, a central heating
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according to the nationally valid
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water is not necessary.
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these requirements, then it is
recommended to treat the water
correspondingly (see VDI2035).
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does not meet the ATAG requirements
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case of deviations, always get in touch
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any changes are made without an prior
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Installation:
-
The use of groundwater,
demineralized water and distilled
water, is not permitted (an
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found on the next page).
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within the limits of the values in
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with the installation of the
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equipment.
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Residues of corrosion products
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requirements and the type of
contamination. ATAG recommends
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consideration.
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The central heating installation must
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the Chapter “Commissioning”
in this regard.
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If a regular topping up of water
is required (> 5% per year), then
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technician. Regular topping up
with fresh water adds oxygen and
lime to the system, which leads
to deposits.
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If an anti-freeze agent or other
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requirements.
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consultation with ATAG.
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protocolled.
Floor heating
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connected that uses plastic pipes,
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standard DIN 4726-4729. If the system
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If the regulations with regard to
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warranty claims become null and
void (see the warranty conditions).
Parameters
Value
Water type
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Softened water
pH
6.0-8.5
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Max. 2500
Iron (ppm)
Max. 0.2
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Installation volume/performance
ON:
1-12
Installation volume/performance
! ON:
1-7
Oxygen
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pH raising or lowering agents
See the Chapter "System water additives"
Anti-frost additives
See the Chapter "System water additives"
Other chemical additives
See the Chapter "System water additives"
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Not permitted
Residues in the heating water, which are not a component of
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Not permitted
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