Manual

8 • Sample-Draw Hydrogen Sulfide Gas Detection
5. Route the cable or wires in conduit leading from the sample-draw detector to the
monitoring device and power.
6. Connect the cable shield to an available chassis ground at the device end.
Figure 4: Wiring the Sample-Draw Hydrogen Sulfide Gas Detector
-
24VDC
RDHN
115VAC
CGND
ZERO
BATT 4/2 0
PUMP
PSW
OXY
TOXIC
OXY
SPAN
TOXIC
WBKRD G
24V
_
LEL/ O2 AMPP-AMP
FB
+
4/20 +GND 24VWHT GRN BLK
4/20 (Feedback)
NOT USED
ON THIS
VERSION
PCB IN SINGLE
POINT SAMPLE
DRAWING
DETECTOR ASSY
PRESSURE SWITCH
INTERNALLY
WIRED.
PUMP ASSY
INTERNALLY
WIRED.
H2S Sensor,
Internally Connected
H2S Sample Draw Housing
Not
Used
Transmitter,
Internally
wired