5 Installation
5.1 Installing the vacuum pump
Procedure
► Place the vacuum pump on a flat, horizontal surface.
► For stationary installation, screw the vacuum pump direct to the mounting surface.
– Dismantle the base plate for this.
► When installing the pump in a closed housing, ensure adequate air circulation.
► Keep the specifications on the motor rating plate visible and freely accessible.
5.2 Connecting the vacuum side
NOTICE
Property damage from contaminated gases
Pumping gases that contain contamination damages the vacuum pump.
► Use suitable filters or separators from the Pfeiffer Vacuum range of accessories, to protect the
vacuum pump.
Installation and operation of accessories
Pfeiffer Vacuum offers a series of special, compatible accessories for its diaphragm pumps.
● Information and ordering options for approved
● Described accessories are not included in the shipment.
Preventing throttling losses
Using the shortest possible vacuum connection lines with large nominal diameter prevents
pressure losses.
Condensate separator
Pfeiffer Vacuum recommends the installation of a condensate separator in case vapors are
formed from moisture during evacuation.
Procedure
1. Remove the blind plug from the vacuum connection.
2. Establish the shortest possible connection between vacuum pump and vacuum chamber.
3. Choose a minimum vacuum line diameter equal to the nominal diameter of the vacuum connec-
tion.
4. Depending on the pump type, use PVC or metallic hoses with flange connections from the
5. Connect the vacuum pump to the vacuum system using the vacuum connection.
5.3 Connecting the exhaust side
WARNING
Danger to life from poisoning where toxic process gases leak with no exhaust line
During normal operation, the vacuum pump expels exhaust gases and vapors freely into the air. In
processes involving toxic media, there is a risk of injury and danger to life due to poisoning.
► Observe the relevant regulations for handling toxic substances.
► Safely purge toxic process gases via an exhaust line.
Installation
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