Overheating Protection; Freezing Protection - Orkli OKSOL Manual Del Usuario

EN
*do not connect any hoses to this upper outlet, as a suction effect may occur
when the water starts to overflow.
5- Close the filling valve and remove the hose.
6- Screw the black plastic cap on the upper outlet of the OKSOL unit.
*do not use any other plug than the one supplied with the equipment.
DETAIL OF BLACK CAP

8.5 Overheating protection

OKSOL integrates Drain Back technology (self-draining) in its primary circuit in order to protect the
system against potential over-temperature situations.
In case of long absence in the months with less DHW demands (summer,...) the storage tank must
not be emtied.
The system can be covered with an opaque and safe canvas that's prevents the collector from the
solar radiation.

8.6 Freezing protection

8.6.1 Primary solar circuit
In the same way that Drain Back technology (self-draining) protects the primary circuit against
overheating, it is also protected against situations of potential freezing, since when the pump is not
running all the heat transfer fluid is emptied by gravity, and is collected and protected in an inner
storage tank.
The heat transfer fluid of this primary circuit also contains a percentage of propylene glycol of 25%.
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UPPER OUTLET (OVERFLOW)
DETAIL OF FILLING VALVE
FILLING VALVE