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.
G
RB
PW
R
/
S
I
G
W
LE
L
S
Amplif ier
Black
Green
Whit e
Red
IR L EL Detector
Cab le
Shield
Det ector
Term inal
Strip
Bla ck
Green
Wh it e
Red
Amp lif ie r
J-Box
Det ector J-Box
Calibration Cup/Splash G uard
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