Honeywell Searchpoint Optima Plus - 3. Mechanical Installation; 3.1 Siting; 3.2 Installation

MAN0905_Issue 7_07/17 Searchpoint Optima Plus with optional HART
®
output
Operating Instructions
2108M0550
18
3. Mechanical Installation
WARNING
Installation must be in accordance with the recognized standards of the appropriate authority in the
country concerned. For Europe see EN60079-14, EN60079-29-2, and EN61241-14. For installations
in North America, the National Electrical Code (NFPA 70) should be strictly observed. Elsewhere the
appropriate local or national regulations should be used.
3.1 Siting
The placement of gas detectors should be determined following the advice of experts having specialist
knowledge of gas dispersion, experts having knowledge of the process plant system and equipment
involved, safety personnel and engineering personnel. The agreement reached on the location of detectors
should be recorded.
Guidance on the positioning of gas detectors to provide the best detection coverage is contained in
IEC/EN60079-29-2andothernationalCodesofPractice.Itisrecommendedthattheinstallationdesigner
consults these Codes of Practice when determining where detectors are to be located.
Inaddition,considerthefollowingpoints:-
1. Searchpoint Optima Plus must be mounted horizontally to reduce the risk of contamination building up
on the optical surfaces.
2. SearchpointOptimaPlusiscertiedandspeciedforoperationinambienttemperaturesfrom-40°C
 to+65°C.Operationoftheunitoutsideofthistemperaturerangeinvalidatesthecerticationandthe
warranty.
3. SearchpointOptimaPlusisspeciedforoperationinenvironmentswheretherateofchangeofunit
 temperatureislessthan3°C/minute.Exceedingthisrateofchangeoftemperaturewillcausetheunit
to report a fault and may cause permanent damage.
4. SearchpointOptimaPlushasbeenvibrationtestedtothelevelsspeciedinEN60079-29-1.Donot
install units in locations where the vibration exceeds this level.
5. Wherepossible,locatedetectorsawayfromsourcesofairbornecontaminantsandsteam/
condensation, which could build up on the optical surfaces.
6. In extreme environmental conditions, consider the use of additional weather protection options
(see Introduction, Weather Protection Accessories).
PleasecontactHoneywellAnalyticsforfurtheradviceifrequired.
3.2 Installation
Note:SearchpointOptimaPlusmustbemountedhorizontallytoreducetheriskofcontaminationbuilding
up on the optical surfaces.
The Standard Installation section describes general mounting and installation. Additional information is
provided for using Searchpoint Optima Plus in a sampling system or a duct, and for the use of the Remote
Gassing Cell.