Vacuum Pumps N 920 APE-W and N 920 APDC-B
Installation and connection
Translation of original Operating and Installation Instructions, english, KNF 121690-121708 09/19
15
Fig. 7: Mounting dimensions pump series N 920 APDC-B (All dimensional
tolerances conform to DIN ISO 2768-1, Tolerance Class V)
WARNING
Danger of burns from hot surfaces
Hot surfaces may be caused by overheating of the
pump.
➔
Install the pump so that the motor fan can intake
sufficient cooling air.
➔
Make sure that the installation location is dry and the pump is
protected against rain, splash, hose and drip water as well as
other pollutions.
➔
Make sure, that the installation location is accessible for
maintenance and service.
The IP protection class of the pump motor is indicated on the
type plate.
➔
Install the pump at the highest point in the system to prevent
condensate from collecting in the pump head.
➔
Protect the pump from dust.
➔
Protect the pump from vibrations and jolts.
WARNING
Personal injury and/or damage to property because
of vibration
In conjunction with adjacent components, vibration of
the pump may result in crushing and/or damage to
these components.
➔
Make sure that vibrations of the pump do not re-
sult in hazards associated with adjacent compo-
nents.
Cooling air supply
Installation location
