RKI Instruments 65-2422RK-05 - Manual (Page 11)

65-2422RK-05 H
2
S Transmitter • 7
CAUTION: If using shielded cable, leave the drain wire insulated and disconnected at the
transmitter. You will connect the opposite end of the cable’s drain wire at the
controller.
8. Secure the junction box cover to the junction box.
9. Route the cable or wires leading from the H
2
S transmitter through one of the conduit
hubs at the controller housing.
CAUTION: Do not route power and transmitter wiring through the same conduit hub. The
power cable may disrupt the transmission of the transmitter signal to the controller.
10. Connect the wires to the to the applicable controller transmitter terminal strip as
shown in Figure 3.
Figure 4: Wiring the H
2
S Transmitter to a Controller
11. If shielded cable is used, connect the cable’s drain wire to an available chassis (earth)
ground at the controller. RKI controllers typically have a ground stud that can be used
to ground the cable’s drain wire.
24 V 4/ 20
TOXIC
SPAN
B ATT
F B
ZERO
H2S Detector,
Factory Wired
Jumper Block
Installed To Toxic
Select Header
Red Black
Controller or Recording
Device
4 - 20 mA In (FB)
+ 24 VDC
Not Used
Factory Set Pot
Amplifier
G W RD B K
TP
+ +
TP
+
TOXIC
OXY
OXY