Operation
23GA01601_002_C1 - 03/2018 - © Leybold
Use matching accessories only
Before starting the pump ensure that the pump and the fitted accessories
meet the requirements of your application and that safe operation can be
guaranteed.
Start up the pump only after it has been fully installed
Never operate the pump with an open intake port. Vacuum connections as
well as oil feed and discharge openings must not be opened while the
pump is operating. Avoid exposing any part of the human body to the
vacuum. There is the risk of suffering injury.
Observe Safety Informations 0.1.
4.3 Operation
The TRIVAC D 2,5 E-LD pump is capable of pumping gases and vapours.
For pumping vapours it is required that the gas ballast valve be open (5/7)
and that the pump has attained its operating temperature.
If exhaust gases must be collected or contained, do not allow the exhaust
line to become pressurised.The pressure in the oil box must not exceed
0.5 bar relative to the atmospheric pressure. An exhaust line which is too
small in diameter or which is blocked can result in the formation of over-
pressures within the pump. Possible consequences can be a damaged or
even burst open pump. Thus the exhaust line must be checked from time
to time to ensure that there are no obstructions.
4.3.1 Pumping of Non-Condensable Gases and Vapours
If the process contains mainly permanent gases, the TRIVAC may be
operated without gas ballast, provided that the saturation vapour pressure at
operating temperature is not exceeded during compression.
If the composition of the gases to be pumped is not known and if
conden sa tion in the pump cannot be ruled out, run the pump with the gas
ballast valve open in accordance with Section 4.3.2.
4.3.2 Pumping of Condensable Gases and Vapours
With the gas ballast valve open and at operating temperature, TRIVAC
pumps can pump pure water vapour up to the water vapour tolerance
specified by the technical data. If the vapour pressure increases above the
permissible level, the water vapour will condense in the oil of the pump.
When pumping vapours ensure that the gas ballast valve is open and that the
pump has been warmed up for approximately 30 minutes with the intake line
closed.
WARNING
WARNING
CAUTION
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