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Analyzer Installation
Consult plant safety personnel for appropriate exhaust venting guidelines for specific
!
sample gas type.
WARNING
Refer to the "Special Warnings and Information" section in the beginning of this
!
manual for information on sample gas compatibility.
CAUTION
RS-232 and RS-485 Connections (item 4 in figure 3-4) -Do Not Connect or Discon-
!
nect when energized.
WARNING
User-Supplied Items
Interconnect Wiring
The user must supply all wiring for serial communication, analog
output, and alarm relays. Recommended wire is 22 gauge, twisted/
shielded pair. Refer to the "Special Warnings and Information" section
in the beginning of this manual.
External Sample Tubing
Sample input tubing length should be as short as possible.
•
-
For optimum performance, sample tubing should be thermally-controlled to
maintain a constant sample input temperature. Optimal results are obtained
with the sample line maintained at 60 °C.
-
Recommended sample gas input tubing is 1/4 inch OD, electropolished 316L
VAR stainless steel (AMETEK #257707002 or equivalent).
Exhaust pressure must be atmospheric.
•
-
Tubing should not present a back pressure on the sensor.
Input and exhaust tubing must be fitted with female 1/4" VCR® con-
•
nectors.
Installation & Start-Up
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3-5
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