4 Commissioning [specialist]
20
EN-XXX_CIRCOtransfer-30E-50E_TI-MA-BA-150401-3PAW0501 - 99609x7WAG0x-mub-en - V06
2015/03
4.5
Draining the solar installation
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 [a|b], by turning them to a 45° position
(see page 14).
3.
Connect a heat-resistant hose to the drain
valve [h] of the transfer station.
Make sure that the solar fluid is collected in a
heat-resistant container.
WARNING
Danger of scalding due to hot solar fluid!
The escaping fluid may be very hot.
Place and fix the heat-resistant collecting container so that people
standing nearby are not endangered when the solar installation is
being emptied.
4.
Open the drain valve [h] of the transfer station.
5.
To accelerate draining of the solar circuit, you can open the bleeding device,
if present, at the highest point of the solar thermal system.
6.
Dispose of the solar fluid observing the local regulations.
4.6
Deinstallation
1.
Drain the solar thermal installation as described above.
2.
Disconnect the pipe joints with the solar thermal system.
3.
Disconnect the cable connections between controllers and sensors
(collector/ storage tank).
4.
Loosen the fastening screws of the station and take the station off the wall.
