Honeywell Searchpoint Optima Plus - 2.3 Termination unit options

MAN0921_Issue 1_05/12 Searchpoint Optima Plus
Safety Manual
13
Use these proof test instructions if Searchpoint Optima Plus is being
used with an XNX Universal Transmitter.
Note: If Searchpoint Optima Plus is being used with the XNX Universal Transmitter, it must be tested as part
of a system with XNX. Therefore in addition to the proof test detailed below, also complete the XNX proof
test described in the XNX Safety Manual. See the XNX Quick Start Guide and the XNX Technical Manual for
further information about the operation of the XNX Universal Transmitter.
4.1 Inspection
4.1.1 Inspection of a unit tted with a Standard Weather Protection
Searchpoint Optima Plus should be inspected and cleaned.
Caution: Gas readings may be generated during this procedure.
1. Select Test Mode, then Inhibit and Set Inhibit On 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. Using a ½ inch / 13 mm A/F open ended spanner, unscrew the two retaining nuts and remove the
Standard Weather Protection.
4. Inspect the Standard Weather Protection for damage or build up of debris / contaminants. If required,
clean or replace weather protection.
5. Inspect the Dust Barrier and clean or replace if required.
6. Remove the Dust Barrier and inspect the optics.
7. 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.
8. Block the optical beam (for example using the cleaning cloth).
Optical Beam
9. Conrm that a fault is generated by viewing the indication on the XNX display.
10. Remove the blockage from the beam.
11. Replace the Dust Barrier and Standard Weather Protection.
12. Select Set Inhibit Off to release the 4-20 mA output signal.
13. Return to the main menu.
14. Select Calibration Mode then Soft Reset to clear any faults or warnings that may have been generated
by cleaning.
4. Proof test for a Searchpoint Optima Plus
being used with an XNX Universal Transmitter