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Flue Gas Sample Conditioning System
4 Bacharach, Inc. Instruction 24-9415
Operation
When ready to conduct a combustion efciency test, plug in the power
supply of the Flue-Gas Sample Conditioning System. You should hear
the condensate pump start running and see the Peltier cooler’s red LED
turn on and off as the cooler is cycled. Note that the cooler’s operating
time changes according to its temperature.
Set up and congure the combustion analyzer as described in its in-
struction manual. Then insert the probe into the ue stack and begin
testing.
During the combustion test, the condensed water vapor from the ue
gas will accumulate inside the pump’s reservoir. If the water level be-
gins to approach the ends of the tubes inside the reservoir, then stop the
test and empty the reservoir as described in the Maintenance Section of
this manual.
WARNING! The probe tube is hot! In the following step, be
sure to allow the probe tube sufcient time to cool before
handling.
At the conclusion of the combustion test, remove the probe from the
stack; then unplug the Peltier cooler’s power supply.