Büchi Labortechnik AG
Installation | 5
Operation Manual Lyovapor™ L-300/L-300 Pro
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5.3
Commissioning the vacuum pump
The vacuum pump evacuates the top-mount drying rack during the freeze-drying
process.
NOTICE
Open gas ballast valve.
A closed gas ballast valve when using solvents can cause damage to the instrument.
u
Open the gas ballast valve.
NOTE
To increase the service life of the vacuum pump, operate the vacuum pump with an
open gas ballast valve.
NOTE
Prepare the vacuum pump according to the manufacturer's instructions. See
relevant documentation.
1
2
Fig. 21: Connections for vacuum pump
1
Vacuum pump power connection
2
Vacuum tube connection,
ISO-KF 25
u
Switch the On/Off master switch to Off.
u
Connect the vacuum pump vacuum tube to the vacuum tube connection (2).
u
Plug the vacuum pump electrical connection into the socket marked Vacuum
Pump.
5.4
Establishing LAN connection
5.4.1
Requirements for local network settings
u
The following port has to be enabled in the firewall settings on the internet
gateway:
TCP (HTTPS) traffics through remote port 443