Operation - KNF LAB LABOPORT SH820G Manual Del Usuario

Operation

36
8 Operation
8.1 Information on switching the vacuum
system on and off
Switch on vacuum system
The vacuum system must not start up against positive
pressure when switched on. This also applies during op-
eration after a brief power interruption. If a vacuum sys-
tem runs against pressure, the pump can block, where-
upon the blocking protection (drive) is triggered and the
vacuum system switches off.
à
Ensure that no pressure is present in the lines when
switching on.
à
Switch on the vacuum system with the power switch (see
Fig. 7).
à
Start the pumping operation of the vacuum system by
pressing the rotary/push button (see Fig. 8).
Translation of Originial Operating Instruction, KNF 325562-325564 06/21
Vacuum system SH820G / SR820G SH840G / SR840G