Freeze-dryer Alpha 3-4 LSCbasic
5 Set-up and connection
Version 11/2018, Rev. 1.9 of 01/12/2021
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Translation of the original operating manuel
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5.5
Vacuum sensor
Installation
NOTE
Compliance with the installation instructions in the operating manual
provided by the manufacturer of the vacuum sensor is mandatory!
In order to protect the vacuum sensor against transport damage, it comes
supplied in its original packaging. Prior to commissioning the freeze-dryer,
the sensor must be installed.
Pfeiffer CMR 364 (capacitive)
1
Vacuum sensor
2
Connection socket
Fig. 11: Position of the vacuum sensor and the connection socket
• Switch the unit off by actuating the mains power switch.
• Take the vacuum sensor out of its original packaging and fasten it to the
connector with a bow-shaped connecting piece, two clamping rings
(DIN25KF) and two centring rings (included in the scope of supply).
• Plug the connector to the connection socket at the rear side of the
freeze-dryer and hand-tighten the screws on the connector.
NOTE
The vacuum sensor comes supplied in a calibrated state.
After the freeze-dryer has been switched on, the vacuum sensor needs
several minutes until it is ready for operation.