Spectrex Quasar 900 Open-Path Gas Detection System Manual de usuario descargar pdf (Pagina 42)

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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).

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Spectrex Quasar 900 Open-Path Gas Detection System Manual de usuario Pagina 42