Honeywell Searchpoint Optima Plus - 7. Maintenance; 7.1 Introduction; 7.2 Inspection; 7.3 Inspection of a unit fitted with a Flow Housing

MAN0905_Issue 7_07/17 Searchpoint Optima Plus with optional HART
®
output
Operating Instructions
2108M0550
32
7. Maintenance
Read this chapter if the SHC1 Handheld Interrogator or the HART
®
communications
are not being used.
7.1 Introduction
Thischapterexplainshowtoperformcommonmaintenanceoperations.PleaserefertoIEC/EN60079-29-2
or other local or national regulations for guidance on establishing an appropriate maintenance routine.
Inspection
How to check and clean the unit
Inspection of a unit tted with a Flow Housing
How to check and clean a unit tted with a ow housing
Bump Test (Gas Challenge)
How to carry out a gas test using the Gassing Cover
Bump Test (Gas Challenge) with RGC
How to carry out a gas test using the Remote Gassing Cell
7.2 Inspection
Searchpoint Optima Plus should be inspected periodically and cleaned if necessary. The required frequency
of inspection will depend on local site conditions and will need to be established through experience.
Caution: Gas readings may be generated during this procedure. Take appropriate action at the
control and monitoring system to inhibit signals.
1. Inspect the Searchpoint Optima Plus unit, its junction box and cabling for any signs of physical damage.
2. Usinga½inch/13mmA/Fopenendedspanner,unscrewthetworetainingnutsandremovethe
Standard Weather Protection.
3. InspecttheStandardWeatherProtectionfordamageorbuildupofdebris/contaminants.Ifrequired,
clean or replace weather protection.
4. Inspect the Dust Barrier and clean or replace if required.
5. Remove the Dust Barrier and inspect the optics.
6. Clean any dust or contaminants from the optics using mild detergent and a soft cloth or cotton bud.
Do not use solvents or abrasive cleaners.
7. Replace the Dust Barrier and Standard Weather Protection.
8. Cyclethepowertoclearanyfaultsorwarningsthatmayhavebeengeneratedbycleaning.
7.3 Inspection of a unit tted with a Flow Housing
Searchpoint Optima Plus should be inspected periodically and cleaned if necessary. The required frequency
of inspection will depend on local site conditions and will need to be established through experience.
Caution: Gas readings may be generated during this procedure. Take appropriate action at the
control and monitoring system to inhibit signals.
1. Inspect the Searchpoint Optima Plus unit, its junction box and cabling for any signs of physical damage.
2. Disconnectanypipeworkattachedtotheowhousing.