14
5.2 SET BURNER FOR EFFICIENT OPERATION
BURNER SETTING
Use burner settings in the table on page 16 or operating decal as a
guide to set burner, particularly for nozzle changes. Those settings
are only starting points for the adjustments and are not meant as
final settings.
PUMP PRESSURE
Refer to the table on page 16 or operating decal.
AIR SETTING
Use air settings on page 16 as a guide to set air adjustment. Those
settings are only starting points for the adjustments and are not
meant as final settings.
SAMPLING HOLE
A sample hole is required for the burner set-up. Drill 3/8’’ diameter
hole on top of the vent pipe and use the supplied test port plug to seal
after burner setup.
Rear Flue Furnace
illustration
COMBUSTION TEST
:
All your tests must be done with the burner cover on
ANALYZER
Use an electronic gas analyzer for setup and record information on the
furnace setup decal. Failure to do so may void warranty. Always set
flame with proper draft, smoke and CO
2
measurements.
NOTE:
Some electronic gas analyzers do not account for recovery
of latent heat and give low efficiency readings. Use the table below
to determine the AFUE
.
Nozzle Size
CO2 Concentration
Stack Temperature AFUE
Usgph
%
οοοο
F
%
0,50
11.5
98 TO 108
95,4
0,60
12.5
109 TO 115
95,4
See
page 9
for
venting
options.
Sampling Hole