2.2
After the initial visual inspection, carry out the following checks. Beware gas strut
action of the hinged covers.
• Check that the serial number of the 2500 (located inside source end and also
marked on the external rating label) corresponds to the serial number given in
the Manufacturing Data Sheet found at the front of this manual.
• Check that the specification sheet details are in order and agree with the
purchase requirements. Pay particular attention to the Manufacturing Data
Sheet supplied, and any Special Instrument Process Sheets attached.
• Check that the accessories are present and undamaged. Standard 2500
accessories provided are: Fuse kit, Allen key, Plastic plugs (refer to section
2.4.2) and Ferrites (refer to section 3.2).
2.3 Electrical Connections
Where the main electrical supply is not referenced to ground, an isolating transformer
must be fitted and its secondary winding suitably earthed. The following mains power
cable requirements must be met:
• Three core cable with Line/Live (L), Neutral (N), Earth/Ground (E) conductors.
• The cable voltage rating should conform to the supply voltage. The type of
cable used should conform to current local regulations, and be suitable for the
installation environment. For use in areas exposed to weather or mechanical
stress, armoured or sheathed cable is recommended.
• All electrical cables enter the body of the 2500 Analyser via user-supplied cable
glands. These cable glands must be air tight and/or suitably approved if the
units are to be purged and/or mounted in hazardous areas.
• The electrical supply connection terminals are suitable the following cable:
Flexible conductors – 0.5 to 1.5mm
2
(20 to 16 AWG)
Solid conductors – 0.5 to 2.5mm
2
(20 to 14 AWG)
Cables should be suitable for temperatures of at least 75°C.
CAUTION
Specific voltage rating information is given on the label located on the outside of the
2500 Analyser and copied within the enclosure. Ensure that the analyser is correctly
configured for the supply voltage.
The 2500 Analyser has no integral switch for disconnecting the electrical supply.
The installer must include a means of isolating the electrical power by means of a
switch or circuit breaker located close to the 2500 Analyser. It must be marked as
the disconnecting device for the analyser and be easily accessible
The electrical supply to the 2500 Analyser MUST be protected by a suitable fuse or
over current protection device rated at no greater than 6 Amps.
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