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MAN0530 Issue 10 - 11/09
2104M0506
Ensure that you read and understand these instructions BEFORE operating the equipment.
Please pay particular attention to the Safety Warnings.
1. The Searchline Excel gas detector is certified for and intended for use in potentially
hazardous areas. Install and use the Searchline Excel gas detector in accordance
with the latest regulations.
2.
For installations in the UK, the Code of Practice SELECTION, INSTALLATION
AND MAINTENANCE OF ELECTRICAL APPARATUS FOR USE IN
POTENTIALLY EXPLOSIVE ATMOSPHERES should be strictly observed. General
recommendations are given in BS EN 60079-14:2008 & IEC 60079-14:2007. Refer
to BS EN 60079-29-2:2007 & IEC 60079-29-2:2007 in the UK or the appropriate
local or national regulations.
3.
For installations in North America, the national Electrical Code (NFPA 70 - 1990) or
later issues should be strictly observed.
4.
Elsewhere, the appropriate local or national regulations should be used.
5.
The Searchline Excel gas detector must be properly earthed to protect against
electrical shock and minimise electrical interference. For electrical installation design
considerations refer to Section 3.
6.
Operators must be fully aware of the action to be taken if the gas concentration
exceeds an alarm level.
7.
Dismantling or repair of equipment should be carried out in the safe area only.
8.
Test gases may be toxic and/or combustible. Refer to Material Safety Sheets for
appropriate warnings.
9.
Do not drill holes in any housing as this will invalidate the explosion protection.
10. In order to maintain electrical safety, the unit must not be operated in atmospheres
with more than 21% oxygen.
11. Ensure that the bolts which secure flameproof enclosures are fully tightened. The
securing bolts used are made from a special certified grade of steel. Only bolts
supplied by Honeywell Analytics should be fitted for this purpose.
12. Do not open the enclosure in the presence of an explosive atmosphere.
13. The transmitter unit contains high voltages when operational. These are discharged
when the unit is removed from its enclosure.
14. The conduit and cable glands fitted to Searchline Excel should not be modified. If,
however, it becomes necessary to make modifications they must comply with the
relevant national Codes of Practice.
15.
The energy emitted by the Searchline Excel is less than 20mW/mm
SAFETY
WARNINGS
2
Searchline Excel
2
.
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