9300025700: Rev. A
6
of 14
Pre-installation Instructions
Table 5 Additional Bench Space Requirements
Function Space
Allowance
Provide space for air circulation, gas
lines, and electrical connections.
15 to 30 cm (6 to 12 in.) behind the system.
Dissipate room heat and allow for
routine maintenance.
At least 76 cm (30 in.) above the system.
Analytical Systems only:
Provide space for solvent bottles.
At least 30 cm (12 in.) to side of the LC.
Please refer to the Varian LC Systems Pre-installation Instructions, part number 391483100, for
information about LC modules.
Use Table 6 and Table 7 to determine the required width of the bench and the weight the bench
must support for your configuration.
Regardless of configuration, the depth of the bench depends on the clearance between the
bench and the wall to accommodate the vacuum hoses for the foreline pumps.
•
If the distance between the bench and the wall is greater than or equal to 10.2 cm
(4 in.) then the bench must be at least 84 cm (33 in.) deep. The vacuum hoses will have
sufficient room to connect the MS to the foreline pump.
•
If the distance between the bench and the wall is less than 10.2 (4 in.) then the bench
must be at least 94 cm (37 in.) deep. To accommodate the vacuum hoses, two 5.8 cm
(2.3 in.) holes must be drilled into the bench on the left side and to the rear of the MS
location.
Table 6 Bench Width Worksheet
Bench
Width
___-LC
Auto-
sampler
Other
Components
MS CPU
Monitor and
Keyboard
Total
cm ______
______ ______
53.5
18.7
51
___cm
in. ______
______ ______
21
7.5
20
____in.
;
Check the checklist box: Bench space is sufficient.
Table 7 Bench Load Worksheet
Bench
Load
___-LC
Auto-
sampler
Other
Components
MS CPU
Monitor and
Keyboard
Total
kg ______
_______ ______
61
11.5
5.5
____kg
lb ______
______ ______
134
25.3
11.5
____lb
;
Check the checklist box: Bench can support system weight.
320-MS with 460-LC, at least 114 kg (250 lb)
320-MS with HTS PAL, at least 103 kg (231 lb)
Vibration
Ensure that the benches are free from vibrations, especially those caused by equipment in
adjoining locations. Because the foreline pump vibrates during operation, it belongs on the floor
below the LC/MS, not a on the bench with the LC/MS.
;
Check the checklist box: Bench does not vibrate.
