Rosemount OCX 8800, Instruction Manual

Page: 43 / 266

Instruction Manual
IM-106-880, Rev 2.1
April 2017
OCX 8800
2-15
Sensor
Housing
3
(
CAL Gas
Flow Meter
7 scfh, 20-30 psig
Recommended
CAL Gas In
Eductor
Air In
Reference
Air In
Dilution 4
Air In
Dilution Air
Flow Meter
0.1 scfh
Electronics
Housing
1
2
Ins
Air
Pressure Regulator/Filter
35 psig - General Purpose
2-Stage
Regulators
Figure 2-10. Pneumatic Installation, OCX with Reference Air Set, Solenoids and Autocalibration,
without COe Zero Function
trument
Supply
Replacement Parts
1 2” Pressure Gage 0-60 psig 275431-03
2 Combination Filter-Reg. 0-60 psig 1A99422H01
3 Flowmeter 1-10 scfh 771B635H01
4 Flowmeter 0.05-0.5 scfh 771B635H08
Reference Air Set and Solenoids Option without COe Zero Function
When the reference air set and test gas solenoids are included with your
OCX 8800, use the following procedure to install the pneumatic system
components.
1. Install the reference air set according to the instructions in Reference Air
Set Option, steps 1 through 3.
2. Refer to Figure 2-10. Connect the O
2
low gas source to the CAL GAS
LO O
2
inlet fitting on the electronics housing. Install a shutoff valve and
pressure regulator with gage in the O
2
low supply line, as shown.
3. Connect the O
2
high gas source to the CAL GAS HI O2 inlet fitting.
Install a shutoff valve and pressure regulator with gage in the O
2
high
supply line.
Inst
ru
m
e
nt
A
ir
O
ut
C
A
L
Ga
s
O
ut
LO
O
2
H
I
O
2
CO
3
7
3
9
0
0
1
2