Honeywell Searchpoint Optima Plus - 6. Commissioning; 6.1 First Time Switch On

MAN0905_Issue 7_07/17 Searchpoint Optima Plus with optional HART
®
output
Operating Instructions
2108M0550
31
6. Commissioning
Read this chapter if the SHC1 Handheld Interrogator or the HART
®
communications
are not being used.
6.1 First Time Switch On
Note:SearchpointOptimaPlusissuppliedcalibratedandreadyforuse.Itdoesnotrequirecalibration
during commissioning.
Note:Duringcommissioningthe4-20mAoutputcanbemonitoredeitheratthecontrolroomorlocally
with a multimeter. When connecting or disconnecting a multimeter, power off the Searchpoint Optima Plus,
otherwise the unit will indicate a latched warning that the 4-20 mA loop was broken. If this occurs it can be
cleared by re-cycling the power.
1. Beforeapplyingpowertotheunit,ensurethattheeldwiringiscorrectandallelectricalconnections
are in accordance with Section 4.
2. Applypower.CheckthatthesupplyvoltagetotheSearchpointOptimaPlusisbetween18and32V.
3. Monitorthe4-20mAoutputduringthestartupsequence,whichshouldbeasfollows:-
Current output Duration
< 1 mA < 5 s
2 ± 0.2 mA < 60 s
4 ± 0.2 mA ongoing
Note:Ifgasispresent,theunitwillindicateagasreading.
Note:Iftheoutputrevertsto3mAor<1mA,anactiveorlatchedWarningorFaultmaybepresent.Ifthis
happens re-cycle the power. If the Warning or Fault persists, please refer to Chapter 14 Troubleshooting.
Searchpoint Optima Plus is factory calibrated and it is not necessary to calibrate or gas test it during
commissioning.Howeveriflocalregulationsorsitepracticesrequirethatagastestisdonetocheckthat
the unit is functioning, please see Chapter 7 Maintenance, Bump Test for instructions.