The user-accessible components of the column compartment are located directly behind the front doors.

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Figure: Column compartment interior components

No.

Description

1

Keypad

2

Left column switching valve (if installed; here: Vanquish valve)

3

Column ID ports

4

Fan

5

Temperature sensor

6

Capillary guides

7

Right column switching valve (if installed; here: Vanquish valve)

8

Type label, indicating the module name, serial number, part number, and revision number

9

Mounting positions for the passive pre-heater

10

Column brackets