1 Getting started with the Alliance e2695 Separations Module
40 July 29, 2013, 715003794 Rev. B
Column heater
The column heater maintains the column at temperatures from 5 °C above
ambient (minimum of 20 °C) to 60 °C. An alarm warns you when the
temperature varies outside the range that you specify. The Waters Alliance
Series Column Heater and Column Heater/Cooler Operator’s Guide presents
the procedures for installing, operating, maintaining, and basic
troubleshooting of the Alliance
®
column heaters and column heater/coolers.
Column heater/cooler
The column heater/cooler expands the heating range over the column heater,
while offering column cooling capabilities. The column heater/cooler
maintains the column at temperatures from 4 °C to 65 °C, with a set point
temperature range that is ambient minus 15 °C or 4 °C (whichever is greater)
to 65 °C, in 1 °C increments. The Waters Alliance Series Column Heater and
Column Heater/Cooler Operator’s Guide presents the procedures for
installing, operating, maintaining, and basic troubleshooting of the Alliance
®
column heaters and column heater/coolers.
Sample heater/cooler
To optimize sample stability and/or solubility, the sample heater/cooler
maintains the sample compartment at temperatures from 4 °C to 40 °C, with
a set point temperature range that is ambient minus 25 °C or 4 °C (whichever
is greater) to 40 °C, in 1 °C increments. This option is installed on the
separations module at the factory or is available as an option installed on site
by Waters personnel. The heater/cooler mounts through the rear panel of the
separations module. It uses four Peltier devices for temperature control.
Syringes
You can install a 25-µL, 250-µL, or 2500-µL sample syringe in the separations
module. The 250-µL syringe is standard. (See “Replace the syringe” on page
205 for the procedure to replace the syringe.)
Sample loops
You can install an additional 100-µL sample loop or you can install a larger
one to inject sample volumes greater than 100 µL. (See “Install an optional
sample loop” on page 78 for the procedure to install an optional sample loop.)
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