Instruction 0024-9396
4
Fyrite Pro Quick Reference Guide
Performing a Combustion Test using
the Model 110/120/125
Important:
The probe must be at room temperature before
performing the following steps.
1. Perform one of the following:
•
Model 110/120
– Before turning ON the analyzer, its probe must
be located in the area containing the burner’s combustion-air
supply. If the burner is using room air, simply place the probe
within the room. In the case of a high-efficiency furnace where
combustion air is drawn in from an outside source, insert the
probe into the combustion-air stream so it can measure its tem-
perature with the burner op er at ing.
•
Model 125
– This analyzer has a second thermocouple channel
that can be used to independently monitor the temperature of the
burner’s combustion-air supply. When using this second thermo-
couple channel, insert the thermocouple into the burner’s com-
bustion-air stream, and position the probe to measure the ambi-
ent room temperature. If the second thermocouple channel is
not
used
, then use the probe’s thermocouple to measure the combus-
tion-air temperature as described above for the Model 110/120.
2. Turn ON the analyzer and allow it to warm-up; after which the
Fuel Screen will be displayed.
3. Use the or button to step through the fuels codes until the
proper fuel is selected. The analyzer defaults to the most re cent ly
se lect ed fuel.
F1 = Natural Gas
F2 = Oil #2
F3 = LPG
F4 = Kerosene
4. Press the
ENTER
button to select the displayed fuel code and enter
the Run Mode.
