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i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan
TO ALLOW ICE FORMATION UNDER THE UNIT WITHOUT DAMAGING IT BY FREEZING.
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When it is required to top up the circuit or to adapt the glycol level, please use the service valve. Unscrew
and remove the cap from the service valve (A) and connect a 14 or 12 mm pipe (inside diameter - check the
valve model installed on your unit), connected to the water mains, to the hose connector and then drain the
circuit by unscrewing the specic ring nut (B). Aer the end of the operaon, reghten the ring nut (B) and
screw the cap back on (A).In any case it is recommended to use an external valve to ll the system wich can
be set up by the installer.
B
A
If the unit must be completely drained,rst close the manual inlet and outlet shuers (not supplied) and then disconnect the pipes on the water
inlet and outlet so that the liquid in the unit can drain (to make this operaon easier, it is advisable to install two external drain cocks between
the unit and the manual shuers on the water inlet and outlet).
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