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Combustion analysis (continued) – Test Products International 708 User Manual

Page 19

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COMBUSTION ANALYSIS (Continued)

Test all exhaust ports at the
top of the heat exchanger.

Atmospheric Forced Air Furnace

Typical Test Locations

COMBUSTION ANALYSIS (Continued)

5.5 TYPICAL TEST RESULTS

Actual test results vary depending on the equip-
ment under test. TPI recommends you check with
the manufacturer of the equipment being tested to
determine specific acceptable results.

Oxygen

3% to 6%

Carbon Monoxide Less than 100ppm (air free)

Stack Temperature

300

°F

to 500

°F

Draft

-0.15 inH2O

Oxygen

4% to 7%

Carbon Monoxide Less than 100ppm (air free)

Stack Temperature

325

°F

to 625

°F

Draft

-0.15 inH2O

Power Burners (Gas Fired)

Power Burners (Oil Fired)

Oxygen

7% to 9%

Carbon Monoxide Less than 100ppm (air free)

Stack Temperature

325

°F

to 500

°F

Draft

-0.15 inH2O to -0.4 inH2O

Gas Fired Burners (Atmospheric / Fan Assist)

Figure 3