Bedienung
25GA01601_002_C1 - 03/2018 - © Leybold
4.4 Shutdown
Under normal circumstances, all that you need do is to electrically switch off
the TRIVAC D 2,5 E-LD.
No further actions will be required.
When pumping condensable media let the pump continue to operate with
the gas ballast valve open and the intake line closed before switching off (see
Section 4.3.2).
When pumping aggressive or corrosive media, let the pump continue to ope-
rate even during long non-working intervals (e.g. overnight) with the intake
line closed and the gas ballast valve open. This avoids corrosion during idle
periods.
If the TRIVAC D 2,5 E-LD is to be shutdown for an extended period after
pumping aggressive or corrosive media or if the pump has to be stored, pro-
ceed as follows:
Pump and operating agents may be contaminated
If hazardous substances have been pumped, then these substances can
escape from the pump and from the oil. Introduce adequate safety precau-
tions; use gloves, face protection or a respirator, for example. Observe
Safety Informations 0.4.
Seal the connection ports. Special conservation or anticorrosion oils aren’t
necessary.
Please also take note of the information given in Section 2 Transport and
Storing.
4.4.1 Shutdown through Monitoring Components
When the pump has been switched off due to overheating sensed by the
motor coil protector, the pump must only be started manually after the
pump has cooled down to the ambient temperature and after having remo-
ved the cause first.
4.4.2 Controller/Mains Power Failure
In order to prevent the pump from running up unexpectedly after a mains
power failure, the pump must be integrated in the control system in such a
way that the pump can only be switched on again manually. This applies
equally to emergency cut-out arrangements.
WARNING
DANGER
CAUTION
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