PAW SolexMega-Kaskade HZ, Инструкции по установке и вводу в эксплуатацию

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7 Maintenance [specialist]
2016/05 996098460-mub-en – V02 35
7.1 Draining the solar installation
1. Switch off the controller and make sure
that a restart is not possible.
2. Open the check valves [C1|C2] and
[J1|J2] by turning them into position 180°
(see page 26).
3. Connect a heat-resistant hose to the
drain valves [G1|G2] of the transfer
stations.
Make sure that the solar fluid is
collected in a heat-resistant container.
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
that people standing nearby are not endangered during the draining of
the solar installation.
4. Open the drain valves [G1|G2] of the transfer stations.
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.
7.2 Deinstallation
1. Drain the solar installation as described above.
2. Disconnect the pipe connections to the solar system.
3. Disconnect the cable connections between the controller
and the sensors (collector/storage tank).