Owner's manual
Sample Draw Combustible Gas Detector • 9
5. Route the cable or wires in conduit leading from the sample draw detector to the
recording or monitoring device and power.
6. Connect the cable shield to an available chassis ground at the device end.
Figure 4: Wiring the Sample Draw Combustible Gas Detector
4/20 (Feedback)
Gr ound
+
WHT GR N
BLK
GN D 2 4V +
_
LEL/O2 AMP P- AM P
4/20
GREEN
BLACK
WHITE
RED
PUMP ASSY
INTERNALLY
WIRED
24VDC
GN D
24V
4/20
RD
PUM P P S W
TP +
TP
ZEROSPAN
GND
24V
4-20
RED
WHT
GRN
BLK
POWER/SIG
SENSOR
P/N 57-1050RK
REV. 0
NOT
USED
ON THIS
VE RS ION
HN
115VAC
CG N D
PRES SURE SWITCH
INTERNALLY WIRED.
LEL Sampl e Draw Housing
LEL DETECTOR IN
SAMPLE CHAMBER
(INT ERNALLY WIRED)
PCB IN SINGLE POINT
SAMPLE DRAWING
DETECTOR ASSY
Transmitter, Interna lly Wired










