Product Overview
TM40/40UFL Rev. (Al), February 2019
41
3.8
Connecting the Detector
This section describes how to connect the electric cabling to the detector (Figure
7).
To connect the detector to the electrical cables:
Disconnect the power.
Remove the back cover of the detector by removing 4 socket head-screws in
the cover bolts. The terminal chamber is now revealed.
Remove the protective plug mounted on the detector conduit/cable entry; pull
the wires through the detector inlet.
Use a ¾
”
–
14 NPT explosion-proof conduit connection or M25x1.5 flameproof
gland to assemble the cable/conduit to the detector.
Figure 7: Detector with Cover Removed
Connect the wires to the required terminals on the terminal board according
to the wiring diagram (Figure 7) and Table 13.
Connect the grounding (earth) wire to the ground (earth) screw outside the
detector (earth terminal). The detector must be well grounded to earth
ground.
Earth Terminal
Terminal
Chamber
Terminals
Internal Earth
Terminal
Detector Holding
Screw
Conduit/Cable
Inlet