Agilent 5110/5100 ICP-OES Service Manual Agilent Restricted 271
10 Installation Guide (5110 ICP-OES)
Water chiller connection
If Nitrogen is required for the polychromator purge, you may need to install the optional Nitrogen
purge block into the Gas Control panel depending on the model. This allows the flexibility of
using nitrogen for the polychromator purge, while keeping argon for the plasma and camera
purge.
If the Nitrogen Purge block option is fitted, there are two gas inlet supply lines coming out from
the instrument. Connect the polychromator purge line to the nitrogen supply, and the other inlet
to the argon supply.
If nitrogen is not required for the polychromator purge, connect argon to the single inlet supply
as follows:
1 Before connecting the instrument to the argon supply, turn on the supply and purge any air or
dirt from the gas lines. If the gas supply lines are very long, allow enough purge time.
2 Connect the teflon argon inlet tubing to quick connect fitting on Gas control module. Connect
the other end to Argon supply using Swagelock fitting.
3 Turn the Argon supply on and set the supply regulator between 500 and 600 kPa, preferably
550 kPa.
4 Leave the Argon turned on to purge the camera and polychromator lines.
5 Do not turn on the water cooler until this purge has been on for at least 20 minutes (to
prevent the Peltier from cooling the camera).
You must ensure that all the air in the camera purge gas lines has been purged with clean, dry
argon before the camera Peltier is turned on.
The camera Peltier is interlocked with the gas pressure sensor and the water flow sensor.
Therefore, to ensure the Peltier does not begin cooling until all the air is purged do not
connect the water cooler until the gas lines have been fully purged with argon.
Do not allow the camera Peltier to turn on and begin cooling the camera until the camera gas
line has been fully purged with clean, dry argon. Failure to do this may cause condensation in
the camera assembly and result in destruction of the camera.
Water chiller connection
The connection of a water cooling system may take considerable time and should be the first
major task accomplished.
Additional information on the specifications, unpacking, and installation of the water cooling
system are covered in the manufacturer’s literature supplied with the water cooler or
recirculator.
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