Honeywell XNX - 4.8.1 Connecting a Searchpoint Optima Plus or Searchline Excel

XNX Universal Transmitter
Section 2 - Installation and Operation
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2.1 Mounting and Location of Sensors
Caution: Locatetransmittersandsensorsinaccordancewith
relevantlocalandnationallegiislation,standards,andcodesof
practice.
Theplacementofsensorsshouldbedeterminedfollowingthe
adviceofexpertshavingspecialistknowledgeofgasdispersion,
expertshavingknowledgeoftheprocessplantsystemand
equipmentinvolved,andsafetyandengineeringpersonnel�The
agreementreachedonthelocationofsensorsshouldbe
recorded�Considerthesefactorswhenlocatinggassensors:
• possibledamagecausedbynaturaleventssuchasrainor
ooding
• easeofaccessforfunctionaltestingandservicing
• howescapinggasmaybehaveduetonaturalorforcedair
currents�
2.1.1 Mounting the XNX
®
Universal Transmitter
Thetransmittercanbemountedinanumberofwaysusingthe
integralmountingtabs�Thetransmittercanbeattachedtoat
wallsurfacesortoUnistrut
®
�

WiththeoptionalPipeMountkit,
theunitcanbemountedtopipeofdiameter2”to6”(50to
150mm)�Aceilingmountbracketkit(1226A0358)isalso
available�
Note:AgencycertificationsrequirethatECandmVsensorsface
down.Optimasensorsmustbemountedhorizontally.
1.67"
42.41 mm
5.6"
124.24 mm
6.00"
15.4 mm
7.75"
196.85 mm
4.48"
113.8 mm
0.625"
15.88mm
2.054"
52.18mm
0.945"
24mm
1.2"
31.75mm
1.768"
44.90 mm
3.176"
80.67 mm
1.768"
44.90 mm
0.55"
14.35 mm
6.138"
158.75mm
Figure 24. XNX Universal Transmitter mounting dimensions and clearances