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Operation
Teledyne Analytical Instruments 27
Operation
4.1 Placing the System in Operation
1. Plug the power in the AC power inlet in the back of the Analyzer
and the Sample Selector Unit.
2. Allow at least 2 hours warm-up (heat up sensor & sample
system) after making the air adjustment described below. Warm
up time is set by the software at the factory but may be
overridden by pressing the <ENTER> key.
DO NOT attempt to ignite the flame during warm up
countdown. Condensation will occur.
4.2 Activating the Support Gases
4.2.1 Air
1. Set the air tank regulator to 30 psig.
2. Adjust the Analyzer Air regulator until the air pressure gauge
reads the recommended air pressure of 9 psig.
After the air is flowing through the sensor and warm-up time has
been completed, activate the following gases:
4.2.2 Carrier Gas
Set the Carrier gas tank regulator to 50 psig and adjust the Analyzer
Sample regulator until its (sample) pressure gauge reads the
recommended sample pressure of 9.5 psig.
4.2.3 Span Gas
The Span gas containing certified mixture of methane in
air, recommended range 6 to 8 ppm methane in zero grade
air, may be connected to the Span Manifold or the ¼ inch
connection on the back of the Sample Selector Module.