65-2396RKSS 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.
+ 24 VDC
- (DC Ground)
4 - 20 mA In (S)
Amplifier
Controller
Cable Shield
J-Box
White
Red
IR CO2 Detector
Detector W ires
Green
Install conduit seal
within 18 inches
PW
R
/
S
IG
SP
A
N
B
ZE
R
O
R
W
S
G
LE
L
Black
