Manual

2 • 35-3001-01-02 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
External Components
This section describes the sample-draw detector’s external components.
Housing
The sample-draw detector’s fiberglass housing is weather- and corrosion-resistant. It is suitable for
_
O
X
Y
G
E
N
B
+
W
Oxygen
Sensor
Terminal
Strip
Pump
S
IR HC
Flow Block
IR HC
Sensor PCB
BG
Detector/Amp
Terminal Strip
(Factory Wired)
Mounting
Foot, 4X
+
AMP
AMP 2
S
OX Y
+
R
+
Sensor Flow
Control Valve
Fail LED
Pilot LED
Pump Reset
Switch
Flowmeter
Pressure Switch
Adjustment Screw
(behind PCB)
R BG
Interconnect
Terminal
Strip
S
OX Y
GW
+
AMP 2
+
AMP 1
+
S
This End To
Inlet Fitting
Flowmeter Circuit
Board Connector
Pump Connector
LEL/ IR
W
Particle Filter
LEL/ IR
W
IR HC
Sensor
(inside block)
Exhaust
Fitting
Inlet
Fitting
3/4" Conduit Hub
EXHAUST
INLET
Hydrophobic
Filter