Honeywell Searchpoint Optima Plus - 10.3 Inspection of a unit fitted with a Flow Housing

MAN0905_Issue 7_07/17 Searchpoint Optima Plus with optional HART
®
output
Operating Instructions
2108M0550
43
8. ReplacetheDustBarrierandStandardWeatherProtection.
9. Press Escape then Enter to release the 4-20 mA output signal.
10. Press Escape to return to the main menu.
11. Select Diagnose then Soft Reset to clear any faults or warnings that may have been generated by
cleaning.
Note:Ifanycongurationchangeshavebeenmade,wait15secondsbeforedoingasoftresetorcycling
the power.
12. Press Escape to return to the main menu.
10.3 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.
1. Select Calibrate then Display to inhibit the 4-20 mA output signal.
2. Inspect the Searchpoint Optima Plus unit, its junction box and cabling for any signs of physical damage.
3. Disconnectanypipeworkattachedtotheowhousing.
4. Usinga½inch/13mmA/Fopenendedspanner,removethetwoblacknutswhichretaintheow
 housing.KeeptheO-ringsealswhicharebelowtheretainingnuts.
5. SlidetheowhousingofftheSearchpointOptimaPlus.Thismayrequiresomeforceduetothefriction
of the O-ring.
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. EnsurethatthelargesealingO-ringinthebodyoftheowhousing,andthetwosmallO-ringswhichgo
below the retaining nuts, are clean and in good condition. Replace if in doubt.
8. SlidetheowhousingovertheendoftheSearchpointOptimaPlusandpushuntiltheowhousingis
 rmlyseated.
9. Re-ttheo-ringsandretainingnuts.
10. Press Escape then Enter to release the 4-20 mA output signal.
11. Press Escape to return to the main menu.
12. Select Diagnose then Soft Reset to clear any faults or warnings that may have been generated by
cleaning.
Note:Ifanycongurationchangeshavebeenmade,wait15secondsbeforedoingasoftresetorcycling
the power.
13. Press Escape to return to the main menu.
10. Maintenance using
SHC1 Handheld Interrogator