65-2322RK Oxygen Transmitter • 9
Junction Box
Use the junction box to install the transmitter at a mounting site that is remote from the
controller. The junction box protects the amplifier and wiring connections made to the
amplifier. Use the top 3/4 NPT conduit hub to connect wiring from the amplifier to the
controller. Use the cover on the front of the junction box to access the interior of the junction
box. The detector and amplifier are factory installed in the junction box. Three spacers
installed on the back of the junction box control the distance of the junction box from a
mounting surface and ensure that there is enough room to install a calibration cup on the
detector during calibration.
Installation
This section describes procedures to mount the oxygen transmitter in the monitoring
environment and wire the transmitter to a controller.
Mounting the Oxygen Transmitter
1. Select a mounting site that is representative of the monitoring environment. Consider the
following when you select the mounting site.
•
Select a site where the transmitter is not likely to be bumped or disturbed. Make sure
there is sufficient room to perform start-up, maintenance, and calibration procedures.
•
Select a site that is at normal breathing level.
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