4 Commissioning [specialist]
2017/05
99609x4x5-mub-en – V05
17
11.
Reduce the pressure on the drain valve [g] to the
operating pressure.
12.
Connect the expansion tank to the solar circuit
and set the operating pressure of the solar
thermal system by means of the flush and fill
station (for the required operating pressure, see
instructions of the expansion tank).
13.
Close the fill and drain valves [d|g].
14.
Put the ball valve [b] into 0° position
(see page 14).
WARNING
Risk to life and limb due to electric shock!
Check if the sensors and the pumps are properly connected to the
controller and if the controller housing is closed.
Only then should the mains plug of the controller be plugged into a socket.
SC5.14
15.
Connect the controller to the mains and set the
solar circuit pump in the manual mode to ON
according to the controller instructions.
16.
Let the solar pump run at maximum rotation speed
for at least 15 minutes.
Meanwhile vent the solar installation several times
at the vent plug [j] of the Airstop until the solar
fluid exits without bubbles (see page 14).
17.
If necessary, increase the system pressure to the
operating pressure.
