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3098 Technical Manual Introduction
1-1
Chapter 1
Introduction
This chapter
This chapter contains an outline of how the 3098 works, defines some of the terms commonly used in the manual, and
also gives some practical applications for the 3098.
IMPORTANT NOTICE
The 3098 is normally installed in an IP rated enclosure prior to leaving the factory. In some instances however, the
3098 may be supplied without the enclosure, in which case the environmental and thermal performance of the meter
cannot be guaranteed. Warnings are given throughout this manual when the performance of the meter may be
affected by this.
Meters supplied complete have product labels attached to the outside of the enclosure, and none on the main
cylindrical body of the 3098. If the 3098 itself is labelled, this indicates that the product was supplied without the
enclosure.
For technical details, please refer to the system installer.
IMPORTANT NOTICE
The pressure relief valve has been factory set for the unit to conform to the Pressure Equipment Directive.
UNDER NO CIRCUMSTANCES SHOULD THIS SETTING BE CHANGED.
For further information, contact the factory using the details on the back page.