33
EN
Quality of water:
In order to avoid damage caused by the corrosi-
ve action of the water, it is recommended that the
following values respect the table and the ones
established by the european directives when as-
sembled.
We would like to remind that even a slight impu-
rity of the water may jeopardize the performance
of the product.
If the aforementioned limits are not respected,
arrange to install a filtration system, a water
softening systems or a power supply system
Make sure the pressure of the water does not
exceed 3 bar. If it does, arrange to install a
pressure reducer.
1.3 - WARRANTY
The warranty is valid as long as the installation
and the powering of the product are executed
by an authorized technician. Damage caused by
the following causes will void the warranty:
Abnormal condition of the installation envi-
ronment:
• Placing of the product in a place subjected to
bad weather or frost.
• Powering the system using rain water, water
from wells or water whose hardness is abnor-
mal or not complying to the current laws.
• During the installation, replacing original com-
ponents with faulty ones.
The warranty cannot be applied in case the
installation is found not complying flawles
-
sly to the current regulations and laws, and
also on the following cases:
• Lack or incorrect assembly of the safety group
(safety valve).
• Assembly of a non-compliant to current laws
safety group or usage of a damaged safety
group.
• Abnormal corrosion of hydraulic components
caused by wrong junctions (steel-brass direct
contact)
Warranty will not apply in case of inadequa
-
te maintenance:
• Abnormal encrustations of heated bodies and
safety organs.
• Frame subjected to external agents.
• Alteration of the original system without the
written authorization of the manufacturer or
usage of non-original components
Damage caused by a faulty installation,
shipping, packaging and positioning subse-
quent to the withdrawal of the manufacturer
will be charged to the installer.
Electric conductivity [µS/cm]
>350 / <800
Ph
> 6.5 / <7.8
Chlorides [mg/L]
<200
Sulfates [mg/L]
<100
Total hardness °F
>5 / <20
Iron [mg/L]
<0.2
Manganese [mg/L]
<0.05
Sulphides [mg/L]
˂5
Chlorine [mg/L]
˂0.5
Carbon dioxide
˂20
Sulfur ions
=0
Ammonia ions
=0