The pump achieves its ultimate vacuum if switching off
at an atmospheric pressure > 1000 mbar absolute, a
maximum underpressure of 850 mbar (8 LEDs glow) and a
leak‑free apparatus.
BVC professional / G
> Adjust the liquid level sensor if necessary.
> Adjusting the liquid level sensor is described in the instruc‑
tions for use of the device.
3.4 Replacing diaphragms and valves
Inspection and maintenance of the pump heads and replacement
of diaphragms and valves is described in the instructions for use
of the device.
Please ask for replacement in case of missing instructions for
use. Alternatively, you can download instructions for use on our
web page: www.vacuubrand.com.
In case of problems return the device to the factory for
inspection or repair if necessary.
Observe section „Return".
>
Notes concerning repair
13