Instruction Manual

65-2405RK-04 Combustible Gas Transmitter • 7
Figure 3: Wiring the Detector to the Amplifier
10. Reinstall the detector terminal strip into its socket.
11. If shielded cable is used, connect the cable’s drain wire to an available chassis (earth)
ground at the amplifier junction box. The amplifier mounting screw is a convenient
grounding location. Install a lug on the shield drain wire or wrap the shield drain wire
around the mounting screw. Do not connect the shield drain wire at the detector
junction box.
GRB
PWR / SIG
W
LEL
S
Amplifier
Black
Green
White
Red
IR LEL Detector
Cable
Shield
Detector
Terminal
Strip
Black
Green
White
Red
Amplifier
J-Box
Detector J-Box
Calibration Cup/Splash Guard