Spectrex Quasar 900 Open-Path Gas Detection System - Manual (Page 42)

SafEye TM Quasar 900 Gas Detector
30 Detector Wiring
2 Place the Detector, with its conduit/cable inlets pointing downwards on
the Detector holding plate of the Tilt Mount (item 2). Secure the
Detector with M10 x 1.5 screw with No. M10 spring washers (9,10).
Secure the detector to the Tilt Mount use Hex Key No. 7 for M10 x 1.5
screw (item 9).
3 Repeat steps 1 – 2 to install the Source.
5.7 Detector Wiring
➣ To install the Detector wiring:
1 Release the back cover secure bolt (item 15, Figure 5), and open the
detector back cover (item 14, Figure 5). The chamber is now revealed.
2 Remove the protective plug mounted on the Detector conduit/cable
entry inlet; pull the wires through the Detector inlet (item 4, Figure 6).
Use a 3/4” – 14NPT or M25x1.5 explosion-proof conduit connection /
cable gland to assemble the cable / explosion-proof conduit to the
Detector.
3 Connect the wires to the required terminals (item 2, Figure 6) according
to the wiring diagram. See paragraph 5.8 and figures 8, 10, 11, and 12
Appendix A.
4 Connect the grounding wire to the ground screw outside Detector
(item 3. Figure 6). The Detector must be well grounded to Earth
Ground.
5 Place and secure the Detector back cover by screwing the cover and
securing it using the secure bolt (item 15, Figure 5).