Fieldpiece HG2 - HVAC Guide System Analyzer - Manual (Page 15)

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4.1
Combustion
Combustion Test helps you determine the eff ective-
ness of the combustion by analysis of combustion prod-
ucts and temperature.
Th e Combustion Test will only tell you about com-
bustion and does not take into account any losses from
poor insulation, or cycling and standby losses. It does
not measure any losses in the distribution system such
as uninsulated hydronic piping, air duct leakage or in-
sulation levels.
Properly tuned gas combustion equipment will
produce little or no carbon monoxide, no soot, and will
consume less fuel.
Figure 17. CO measurement of fl ue gas for the Combustion Test using an
ACM3 Carbon Monoxide Head and the pump that’s included with the AOX2
Combustion Check Head.
Supply Supply
Plenum
Plenum
Flue Flue