5 Maintenance [specialist]
20
99609x4x5-mub-en – V05
2017/05
5
Maintenance [specialist]
Make sure that the system is not under pressure during service and maintenance works at the
station.
WARNING
Risk of burns and scalding!
The valves, fittings and solar fluid can reach temperatures of more than 100 °C.
The solar fluid can escape as vapor and cause scalding.
Only carry out maintenance work when the collector temperatures are
below 50 °C.
Wait until the solar fluid has cooled down to max. 50 °C.
Example: SolexMidi
1.
Close the ball valves [a|b] and exit the solar fluid at
the fill and drain valve [g]. 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 4.3 Flushing and
filling the solar circuit (see page 14).
