RKI Instruments 35-3001A-01-02 - Manual (Page 6)

2 • 35-3001A-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
_ Pum p
O xy gen
Sensor
Terminal
Strip
Mount ing
Foot, 4X
W
+
B
O
X
Y
G
E
N
S
PW R / SIG
Sensor
Curr ent
148mA
IR HC
Sensor PCB
IR HC
Flow Block
W
L EL
G B R
Test P oint s
100-500 m V Range
Detect or
Terminal
Strip
Pilot LED
Fail LED
Sensor F low
Control Valv e
Pum p R eset
Switch
Flowmeter
B G W
Int erconnec t
Terminal
Strip
A MP 2
S + S
A MP 1
+ R + W G
OX Y
Hydrophobi c
Filt er
Span Pot
Pum p C onnect or
Zero Pot
Part icle
Filt er
Flowmeter C ircuit
Board Connect or
Exhaust
Fit ting
This End
To I nlet
Fit ting
L EL / IR
3/4" Conduit Hub
IR HC
Sensor
(inside block ) Controller
Terminal Strip
Inlet
Fit ting
IR Amplif ier
Fact ory Set Pots
INLET
EXHAUST
S
A MP 2 A MP
+ + W B
Pressure
Switch
Adjust ment
Screw
(behind P CB)
Detect or/ Am p
Terminal Strip
(Fact ory
W ired)
L EL / IR
G S R +
OX Y