11066 Searchpoint Optima Plus v2.indd - Merkantile

MAN0551.P65 Issue 06 - 03/042108M05013. INSTALLATION2. Searchpoint Optima Plus is specified for operation inenvironments where the rate of change of unittemperature is less than 3°C / minute. Exceedingthis rate of change of temperature will cause the unitto report a fault and may cause permanent damage.If the conditions experienced by the unit are likely tocause it to exceed this rate of change it isrecommended that additional preventative measuresare taken. The use of sampling systems is highlyeffective; whilst shielding the unit from the prevailingair flow can also be of benefit.3. Searchpoint Optima Plus is specified for operation inenvironments where the vibration levels from 2 to60Hz are below 1mm peak to peak (testing inaccordance with BS5445). If the vibration levels onthe installation exceed this, the unit's reliability andintegrity of operation will be degraded. Do not installunits in locations where the vibration exceeds thislevel.4. All optical gas detectors are eventually affected bythe build up of contaminants / condensation upontheir optical surfaces, normally resulting in faults orwarnings. In order to minimise the faults andwarnings caused by this it is recommended thatdetectors are located as far away as is possible fromsources of airborne contaminants and steam /condensation. Alternatively, the fitting of shields orthe Storm Baffle (2108D0280) should be considered.Sources of contamination / condensation that havecaused particular problems where appropriatemeasures were not taken include generator / turbineexhausts, steam lines / vents, drilling operation (oilmistand mud spray) and unfiltered HVACinstallations.21