Spectrex 20/20U (UB) - UV Flame Detector - Manual (Page 50)

Spectrex Inc. - SharpEye™ UV Flame Detector Manual – TM 20/20UB Rev. E, August 2004
42
2. Wiring
Refer to Fig. 10.
1 Disconnect
power.
2 Release the four (4) slotted-head screws (Item 3) that secure the chamber
cover (Item 2). The chamber is now revealed.
3 Remove the protective plug mounted on the detector conduit inlet, pull the
wires through the detector chamber (Item 7). Use M25x1.5 explosion-proof
conduit connection to assemble the conduit to the detector.
4 Connect the wires to the required terminals (Item 4) according to the wiring
diagram. See paragraph 2.1 and figures no. 11 and no. 12.
5 Connect the grounding wire to the ground screw outside the detector cover
(Item 5).
The detector must be well grounded to Earth Ground for proper
operation
.
6 Verify the wiring. Improper wiring may damage the detector.
7 Check the wires for secure mechanical connection and press them neatly
against the terminal to prevent them from interfering while closing the cover
(Item 2).
8 Place and secure the cover chamber (Item 2) using four (4) slotted-head
screws (Item 3).