2.4
If the 2500 has been supplied with a Servomex 485 Purge Unit with the associated
Servomex 486 Relay Unit, installation information is provided in a separate manual
part no. 00485001C, supplied with the analyser system.
If a gas sample conditioning system is to be connected it must be designed to provide
a filtered, clean, non-condensing sample for the analyser with no risk of a possible
carry- over of condensate into the sample cell.
If a liquid sample conditioning system is to be connected it must be designed to provide
a filtered, single-phase sample for the analyser.
2.4.2 Mounting Details
The following paragraphs provide mounting information for the 2500 Analyser. Use the
yellow lifting handles to manoeuvre the 2500 into position, using two people where
necessary.
The analyser may be mounted vertically or horizontally, ideally at chest height for best
visibility and ease of access, but with some restrictions (refer to Fig 2.1).
WARNING
EU1 Zone 1 versions must be used with either the Servomex 485 Purge
Control Unit with the associated Servomex 486 Relay Unit, or a third-party
purge controller, which meets the necessary pressurisation and certification
requirements as detailed in the Safety Certificate Manual.
CAUTION
• For Liquids the analyser should be mounted horizontally with the cell
inlet port at the bottom.
• For Gases the analyser should be mounted horizontally with the cell
inlet port on top, especially if there is risk of particulates or
condensates in the sample.
• The 2500 may be mounted vertically for gas samples, provided the cell
outlet is at the bottom. This is only suitable if there is no risk of
particulates or condensates in the gas sample.
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