65-2396RK CO
2
Transmitter • 11
Figure 3: 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
Cable Shield
Red
W hite
Green
Detector W ires
IR CO2 Detector
Controller
Am plifier
J-Box
Install conduit seal
within 18 inches
LE
L
G
W
R
B
S
Black
P
W
R
/ S
IG
