RKI Instruments 35-3001-06-01 - Manual (Page 6)

2 • 35-3001-06-01 Combustible Gas/Oxygen Sample-Draw Detector
Description
This section describes the components of the combustible gas/oxygen sample-draw detector.
Figure 1: Combustible Gas/Oxygen 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
B
+
W
Oxygen
Sensor
Oxygen
Sensor
Terminal
Stri p
Pump
B G
IR Combustible
Flow Block
Mounting
Foot, 4X
_
O
X
Y
G
E
N
S
OXY
+ R S
IR Combustible
Sensor
(inside block)
IR Combustible
Sensor PCB
+ +
AMP AMP 2
Sensor Flow
Control Valve
Fai l LED
Pilot LED
Pump Reset
Switch
Flowmeter
Pressure Switch
Adjustment Screw
(behind PCB)
R B G
Interconnect
Terminal
Stri p
S
OXY
G W +
AMP 2
+
AMP 1
+ S
Thi s End To
Inl et Fitting
Flowmeter Circuit
Board Connector
Pump Connector
LEL/ IR
W
Particle Filter
LEL/ IR
W
Oxygen Flow
Block
Exhaust
Fitting
Inl et
Fitting
3/4" Conduit Hub
EXHAUST
INLET
Hydrophobic
Filter
Detector/Amp
Terminal Strip
(Factory Wired)