oventrop Regusol Installation And Operating Instructions For The Specialised Installer page 10

Filling and flushing via the filling and flushing device
Illustr. 6.10 Filling via the filling and flushing device
1. Connect the filling and flushing device to the solar
station on the one side and to the flushing and
filling station on the other side (illustr. 6.10). The
flow direction of the circulation pump must be
strictly observed
2. Close the straight ball valve (5) in the centre of the
filling and flushing device (illustr. 6.11).
3. Open the filling (3) and draining cock (4) of the
filling and flushing device (illustr. 6.11).
Illustr. 6.11 Filling and flushing device
4. Check position of the ball valves of the solar
station. They have to be positioned as shown in
illustr. 6.12 (angular position of the thermometer
handles in the supply and return: 0°).
Illustr. 6.12 Position of ball valves
5. Open the check valve of the solar station (in the
return of the solar station above the pump) by turning
the adjustment screw into vertical position (position
B in illustr. 6.13). The check valve is inactive now.
22
5
3
! !
Illustr. 6.13 Check valve (return ball valve)
6. Switch on the flushing and filling station and let it
run for at least 15 minutes.
7. Close the filling (3) and draining cock (4) and open
the straight ball valve (5) of the filling and flushing
device.
8. Switch off the flushing and filling station.
Filling via the safety group and flow measuring and
regulating device
Illustr. 6.14 Filling via the safety group and flow
measuring and regulating device
1. Connect the flushing and filling station to the solar
plant (illustr. 6.14). The flow direction of the
circulation pump must be strictly observed
2. Position the ball valves of the solar station as
shown in illustr. 6.15 (angular position of the ther-
mometer handles in the supply: 0°, return: 90°)