oventrop Regumaq X-30-B Mode D'emploi page 29

6.1.1 Filling and bleeding of primary circuit
"Regumaq X-30-B" / "Regumaq XZ-30-B"
Illustr. 14: Filling, bleeding
1. Open check valve in ball valve (2) by turning
the handle to 45° (see 6.1.3 – check valves).
2. Open ball valve (1).
3. Fill primary circuit via the filling and flushing
valve (4).
4. Bleed primary circuit at the highest point.
5. Let the primary circuit pump (3) run for some
time during manual operation (see controller
manual) and bleed system thoroughly.
6. Fill installation slowly until it reaches the required
pressure.
7. After bleeding, close ball valve (4) and set ball
valve (2) to operating position.
6.1.2 Filling and bleeding of secondary circuit
"Regumaq X-30-B"
Illustr. 15: Filling, bleeding "Regumaq X-30-B"
1. Open ball valve (5) of secondary circuit.
2. Open ball valve (4) slowly and fill system.
3. To bleed the heat exchanger, open filling and
flushing valve (3) slowly so that the air may es-
cape.
4. To bleed the pipework, open a draw off point
so that the air may escape.
5. Close ball valve (3) once bleeding is complete.
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