Bacharach PCA 2 24-9448 User Manual
Page 40

Instruction 24-9448
4-6
Operation
4. You can now begn burner-servce procedures. The analyzer readngs
wll change quckly to show changes n burner performance.
CAUTION: Position the Water Trap with its gas-flow arrow
pointing upward. Do not let water condensate go above the tip
of the riser tube. The sensors could be damaged if water would
enter the analyzer. Empty the Water Trap after every combus-
tion test (refer to Section 4.9)
5. Pressng the RUN/HOLD button freezes all readngs, stops the pump and
dsplays the Combuston-Test HOLD screen. Press the ENT button to vew
all test values at the moment the RUN/HOLD button was pressed. Press-
ng RUN/HOLD agan restarts the pump and resumes testng.
TABLE 4-1 . LIST OF COMBUSTION TEST DATA
Display
Name
Description of Measurement or Calculation
O
2
% Oxygen
CO
Carbon Monoxde
(1)
EFF
% Combuston Effcency
CO
2
% Carbon Doxde
T-STK
Stack Temperature
T-AIR
Prmary / Ambent Ar Temperature as measured ether n-
ternally or by an optonal external thermocouple plugged nto
the analyzer’s T-AIR connector
EA
% Excess Ar
CO(n)
Carbon Monoxde ppm level referenced to a % of oxygen
(2)
NO
Ntrc Oxde
(1)
NO
2
Ntrogen Doxde
(1)
NOx
Oxdes of Ntrogen (combnaton of NO and NO
2
)
(1)
SO
2
Sulfur Doxde
(1)
NO(n)
Ntrc Oxde ppm level referenced to a % of oxygen
(2)
NO
2
(n)
Ntrogen Doxde ppm level referenced to a % of oxygen
(2)
NOx(n)
Oxdes of Ntrogen ppm level referenced to a % of oxygen
(2)
SO
2
(n)
Sulfur Doxde ppm level referenced to a % of oxygen
(2)
NO Temp Ntrc Oxde Sensor Temperature (3)
(1) Pollution unit of measure selected per Section 3.8
(2) The letter “n” represents the oxygen reference level of between 0 and 15% as
selected per section 3.11
(3) Shown only on prntout, not on LCD dsplay.