Installation
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300554859_002_C0 - 11/2016 - © Leybold
3.6 Connecting the Exhaust Line
We urgently recommend to connect the exhaust of the backing pump to an
exhaust line to prevent process gases or oil mists from being distributed with-
in the room. This applies in particular when no exhaust filter has been con-
nected. When not connecting an exhaust line, we recommend fitting of an
exhaust filter in the case of oil-sealed vacuum pumps.
The cross-section of the exhaust line must at least match the inside diameter
of the connections.
Smaller cross sections may cause an undesirable overpressure within the
system. Do not start up the system with a constricted or blocked exhaust.
Ensure that any valves or blocking devices in the exhaust line are open.
Clogged exhaust lines will reduce the available pumping speed, increase
temperature and cause overloading of the pump motors or a dangerous
overpressure within the system. There is the risk of bursting.
The exhaust lines should be laid so that they drop down and away thereby
preventing condensate from flowing back into the pumps.
If within the system toxic substances or gases are being used, then the
operator will be responsible for ensuring that the corresponding safety pre-
cautions are introduced!
3.7 Connect the Cooling
The backing pump is air-cooled; the TURBOVAC pump is convection, air or
water cooled depending on the specific order.
Cooling of the pump depends on the required pumping power and the ambi-
ent temperature. When the pump is insufficiently cooled it will shut down.
High gas throughputs, cyclic operation or high ambient temperatures will
necessitate air or water cooling.
The air cooler is connected to the accessories connection X205 (Fan).
Air Cooling
When installing air cooled pumps within a system ensure that sufficient quan-
tities of fresh air are freely available.
The accessory connection is so pre-configured that the air cooler will always
be running when the pump is running. To change this setting: Menu →
Accessory → Fan.
CAUTION
DANGER
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