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Water connections
6.3.2 Installing a water filter
The unit can also be seriously damaged by impurities in the water: welding residues, slag, mineral oil, sludge,
dirt, etc.
One option to limit pollutants in the water is to install a filter, which is always necessary.
Various types of filters can be used:
• mesh filter (mandatory on DHW circuit and system side), designed to trap large dirt particles and usually
positioned in the part of the circuit with the highest flow-rate;
• fabric filter, designed to trap the finer particles;
• magnetic dirt separator filter (mandatory on system circuit), designed to trap sludge and ferrous residues.
Before connecting the water to the unit, clean the system thoroughly with specific and eective products to
remove residues or impurities that could aect operation.
6.3.3 Magnetic dirt separator filter
It is highly recommended to install the magnetic dirt separator filter on the system circuit, it is advisable to
use the filter supplied by CLIVET or equivalent.
6.3.4 Installation in new systems
During installation, residues (welding, slag, joint products, etc.) or preservatives (e.g. mineral oil) can build up
in the circuit.
Before start-up, in new installations it is therefore essential to thoroughly flush the entire system.
It is important to empty the water circuit completely when cleaning to prevent corrosive or aggressive
components remaining in the final charge.
The system must then be filled with clean, good quality mains water after checking that the downstream
filters are clean.
If necessary, clean several times until the filters become dirty.
6.3.5 Installation in existing systems
If the unit is to be installed in an existing system, the system must be thoroughly flushed to remove particles,
sludge and slag.
W
CAUTION
Drain the system before the new unit is installed.
Dirt can only be removed with an adequate water flow-rate: so each section must be washed separately.
Particular attention must be paid to “blind spots”, where due to the low flow-rate a lot of dirt can accumulate.
The system must then be filled with clean, good quality mains water.
After rinsing, check the quality of the water in the system: if it is inadequate, further measures must be taken
to avoid problems.
W
CAUTION
The warranty does not cover damage caused by limescale build-up, deposits and impurities deriving from
the water supply and/or failure of the system cleaning process.
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