Owner manual

65-2394RK-CH4-4 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.
Wiring the Amplifier to a Controller
1. Turn off the controller.
2. Turn off or unplug power to the controller.
Detector
Terminal
Strip
Cable
Shield
Red
White
Green
Black
LEL
Amplifier
W
PWR / SIG
S
BR G
Red
White
Green
Black
Amplifier
J-Box
Calibration Cup/Splash Guard
IR LEL Detector
Detector J-Box