5 Maintenance [specialist]
20
996091425-mub-en – V04
2016/05
5
Maintenance [specialist]
Depressurise the installation for service and maintenance work on the SolexMini.
WARNING
Risk of burns and scalding!
The valves, fittings and the solar fluid can heat up to more than 100 °C.
The solar fluid can escape as vapour and cause scalding.
Only carry out maintenance work if the collector temperatures
are below 50 °C.
Wait until the solar fluid has cooled down to maximum 50 °C.
1.
Close the ball valves [a|b] and release the solar fluid
at the fill and drain valve [h].
Make sure that the solar fluid is collected in
a heat-resistant container.
2.
Change the faulty part against the new part.
3.
Fill the solar circuit as described in 4.2 Flushing and
filling the solar circuit (see page 14).