vacuubrand MD 4C NT + 2 AK, Инструкция по эксплуатации

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page 13 of 75
Due to the high compression ratio, the pump may gen-
erate overpressure at the outlet. Check pressure com-
patibility with system components (e.g., exhaust pipe-
line or exhaust valve) at the outlet.
Do not permit any
uncontrolled pressurizing .
Check the overpressure safety relief device at the ex-
haust waste vapor condenser at appropriate intervals.
Keep the electrical power cord away from heated sur-
faces.
that the system which you are going to evacuate is
Ensure a stable position of the pump without any me-
chanical contact other than the pump feet.
maximum permissible pressures at in-
let and outlet and with maximum permissible pres-
sure differences between inlet and outlet. See section
”Technical data”, pg. 24. Do not operate the pump
with overpressure at the inlet.
bar absolute) in the event that gas or inert gas is con-
nected to the pump, to the gas ballast or to a venting
valve.
Note : Flexible elements will shrink when evacuated.
pump.
to be sure that the power source and the equipment
match in voltage, phase, and frequency.
voltage selection switch is set correctly. Do not change
the setting of the voltage selection switch while the
pump is connected to AC power. Unplug the pump be-