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To switch the water connections from one side to the other proceed as follows:
Disassemble the air outflow panel (1);
Rotate the entire unit (2) 180°;
Replace the air outflow panel (1).
WARNING!!!
For optimum performance it is essential that water inlet-outlet directions always be observed as
indicated by the adhesive label.
The selection and installation of water system components is the responsibility of the installer. The installer
must observe correct working practices and the legislation in force at all times.
In systems filled with anti-freeze the use of water disconnectors is compulsory.
Where the heater is supplied with special or recycled water it must first be treated accordingly. Observe the
reference values in the table.
REFERENCE VALUES
PH
Electrical conductivity
Chlorine ions
Sulphuric acid ions
Total iron
TO CONNECT UP TO THE WATER SUPPLY:
Remove the plastic plugs from the water connection fittings;
Connect the system according to the hydraulic diagram shown in the
dedicated chapter.
To prevent damage to the unit secure the heater water fittings by using the
wrench – counterwrench method.
To seal the threads use hemp and green paste. Using Teflon is inadvisable
where anti-freeze is used.
INVERTING THE WATER CONNECTIONS
WATER CONNECTIONS
6 – 8
less than 200mV/cm
(25°C)
less than 50 ppm
less than 50 ppm
less than 0.3 ppm
Alkalinity M
Total hardness
Sulphur ions
Ammonia ions
Silicon ions
39
less than 50 ppm
less than 50 ppm
none
none
less than 30 ppm
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