Owner manual

2 • 35-3001A-01 Combustible Gas Sample-Draw Detector
Description
This section describes the components of the combustible gas sample-draw detector.
Figure 1: Combustible Gas Sample-Draw Detector Component Location
B
O
X
Y
G
E
N
_
Pump
Oxygen
Sensor
Terminal
Strip
Mounting
Foot, 4X
Zero Pot
W
+
S
PWR / SIG
LEL Flow
Block
Test P oints
100-500 mV Range
Fail LED
Sensor Flow
Control Valve
PilotLED
Pump Reset
Switch
Flowmeter
W
Interconnect
Terminal
Strip
+
AMP 1
+
AMP 2
S S R
+
WG
OXY
G
LEL/IR
Hydrophobic
Filter
Flowmeter Circuit
Board Connect or
Span Pot
Pump Connector
Particle
Filter
B
LEL
Sensor
Inlet
Fitting
Exhaust
Fitting
This End
To Inlet
Fitting
Detector
Terminal
Strip
Sensor
Cu r r ent
148mA
3/4" Conduit Hub
Controller
Terminal Strip
W
LEL
G
B
R
LEL Amplifier
Fact ory Set P ots
INLET
EXHAUST
S
AMP 2AMP
+
+
W B
Pressure
Switch
Adjustment
Screw
(behind P CB)
Detector/Amp
Terminal Strip
(Factory
Wired)
LEL/IR
GS R
+
OXY