Orientation Of The Junction Box - Only If Necessary - Ametek OXYvisor Installation, Operation & Maintenance Manual

Section 4
Installation
!
OPTICAL BUSHING / MAIN ENCLOSURE - The optical bushing going into the upper main
enclosure should not be removed nor turned. There is a locking screw (4 mm Hex) to prevent
this.
WARNING
!
OPTICAL BUSHING / JUNCTION BOX - If the installation requires re-orientation of the junction
box, this can be performed in the field. To maintain the safety afforded by this analyzer the
instruction found in Section 4.5.1, Orientation of the Junction Box must be followed closely.
WARNING
!
UNUSED ENTRIES - Unused entries shall be closed with suitable certified Ex db blanking
elements with a minimum IP66 rating.
WARNING

4.5.1 Orientation of the Junction Box - ONLY IF NECESSARY

The Junction Box is fitted and located at the bottom of the analyzer with a front-forward orientation as shown in
Figure 4. The orientation is locked into position via a Jam Nut and the 3/4" NPT threads (mating to Fiber Optic
Bushing) are sealed with a thread-sealant. In most cases it will not be necessary to re-orientate the Junction
Box, however if it is required follow Section 6.4.2.
The Junction Box has been fitted and secured at the factory. These removal and installation
instructions related to the Junction Box are only necessary if the installation required the
Junction Box to be re-orientated (turned).
USEFUL INFORMATION
26
Installation, Operation and Maintenance Manual
OXYvisor Optical Oxygen Analyzer