12
•
Installation
11. Connect the wires to the applicable detector/transmitter terminal strip at the controller as
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.
Red
Amplifier (Transmitter)
Cable S hield
- (DC G round)
+ 24 VDC
4 - 20 mA In (S)
Controller or
Recording Device
MPS LEL Detector
Detector W ires
Green
W hite
J-Box
B
R
W
G
LE
L
PW
R
/
SI
G
Black
S
Figure 4: Wiring the Combustible Gas Transmitter to a Controller