12 • 65-2397SS CO
2
Transmitter
11. Connect the wires to the applicable detector/transmitter terminal strip at the controller as shown in
Figure 5: Wiring the CO
2
Transmitter to a Controller
12. 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.
4 - 20 m A I n (S)
- (DC Ground)
+ 24 VDC
Controller
Cable Shield
Am plifier
Black
SP
A
N
B
LE
L
ZE
R
O
R
G
SI
G
/PW
R
S
W
IR CO2 Detector
J-Box
Detector W ires
Red
W hite
Green
