User guide
35-3001-04  Carbon Monoxide Sample-Draw Detector • 11
8. Connect the wires to the applicable detector/transmitter terminal strip at the controller as 
shown in Figure 6. Refer to the controller operator’s manual and the controller detector head 
specification sheet for the 35-3001-04 for detector/terminal strip connections specific to the 
controller. 
Figure 6: Wiring the Sample-Draw Detector to a Controller
9. 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.
Not Used in 
This Version
Blue (S)
Red (+)
OXY LEL/IRAMP 2
PATS201PATS201
AMP 1
+24 VDC
OXY
Controller or 
Recording
Device
- (DC Ground)
4/20 Signal
LEL/ IRAMP 2AMP 1
PATS101PATS101










