2.4
WARNING
To retain safety certification cable glands and unused gland holes must be
weatherproof to IP54 or NEMA 4 standards.
The analyser contains intrinsically safe circuits. The installer must ensure that the requirements
of a safety earth (or ground) are met.
2.2. PRE-INSTALLATION CHECKS
Unpack the instrument and inspect the unit for signs of damage during transit. If any damage is
evident, inform Servomex or their Agents immediately.
2.3 POSITIONING
Accurate and secure installation will minimise maintenance and instrument breakdown and will
provide reliable service.
The location should be reasonably vibration free and be subject to minimal fluctuations in ambient
temperature.
The enclosure is protected to IP 54 (NEMA4). If the units of the analyser are installed in an
aggressive environment or outside where they are exposed to the weather then further protection
will be necessary. If there is a possibility of low ambient temperatures then installation in a heated
cabinet may be required.
The sample conditioning system should be positioned below the level of the Transducer unit. This
prevents a possible carry-over of condensate into the measuring cell. Servomex can advise on the
design of suitable systems to remove particulates or condensate.
2.4 MOUNTING DETAILS
2.4.1 Close Coupled Configuration
The close coupled variant of the 1100A is supplied with straps for surface mounting (Refer to
Figure 2.1 for principal dimensions).
2.4.2 Separate Configuration
The Transducer and Interface units are supplied with straps for surface mounting (Figure 2.2).
The arrangement used to mount the control unit depends on which mounting kit was specified.
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