Agilent Technologies 1290 Infinity User Manual page 44

3
Installing the Module
Installing the Valve Heads
Installing the Valve Head and Connecting Capillaries
For bio-inert modules use bio-inert parts only!
The valve actuator contains sensitive optical parts, which need to be protected from
C A U T I O N
dust and other pollutions. Pollution of these parts can impair the accurate selection of
valve ports and therefore bias measurement results.
➔
Column Damage or Bias Measurement Results
C A U T I O N
Switching the valve to a wrong position can damage the column or bias measurement
results.
➔
Valve Damage
C A U T I O N
Using a low pressure valve on the high pressure side can damage the valve.
➔
Sample degradation and contamination of the instrument
C A U T I O N
Metal parts in the flow path can interact with the bio-molecules in the sample leading
to sample degradation and contamination.
➔
➔
44
Always install a valve head for operation and storage. For protecting the actuator, a
dummy valve head (part of Transportation Lock Kit (p/n G1316-67001)) can be used
instead of a functional valve. Do not touch parts inside the actuator.
Fit the lobe to the groove to make sure the valve is switched to the correct position.
When using multiple column compartments as part of a method development
solution, make sure that the high pressure valve head is connected to the
autosampler and the low pressure valve head is connected to the detector.
For bio-inert applications, always use dedicated bio-inert parts, which can be
identified by the bio-inert symbol or other markers described in this manual.
Do not mix bio-inert and non-inert modules or parts in a bio-inert system.
Agilent 1290 Infinity Valve Drive and Valve Heads