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5.2
Draining the solar installation
WARNING
Danger of scalding due to hot solar fluid!
The escaping solar fluid may be very hot.
Place and secure the heat-resistant collecting container in such a way
4. Open the lowest drain valve of the solar installation.
5. To accelerate the draining of the solar circuit, the vent valve possibly
present at the highest point of the solar installation can be opened.
6. Dispose of the solar fluid observing the local regulations.
5.3
Deinstallation
18
that people standing nearby are not endangered during the draining of
the solar installation.
1. Drain the solar installation as described above.
2. Disconnect the pipe connections to the solar system.
3. To remove the solar station from the wall bracket, pull out
the clip springs laterally with a screwdriver.
4. Remove the station by pulling it forward.
997xx3xx-mub-en – V01
1. Switch off the controller and make sure that a
restart is not possible.
2. Open the check valves in the flow and return
ball valve [5.2|1.2] by turning them into position
45° (see page 12).
3. Connect a heat-resistant hose to the lowest
drain valve of the solar installation (possibly
drain valve [3.2]).
Make sure that the solar fluid is collected in a
heat-resistant container.
5 Maintenance [specialist]
2020/08
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