IBC SL 26-260 G3

Combustion Test Target Ranges
Figure1Gas valve and fan
TheLowFire(Zero-offset)valveadjustmentcaponthegasvalvehasbeenfactoryset.Donottamperwithoradjust
thisscrewinthefield.ContactthefactoryforwritteninstructionsifconsideringfieldadjustmentoftheLowFire(zero
offset)adjustment.
TheHighFire(Gas:Air)ratioadjustmentscrewisaslottedbrassscrewtotheleftofthelongbrassprotrusiononthe
frontofthegasvalve.Itwillhavetobeadjustedtoattainoptimumcombustionresultswheneverfuelconversionis
undertaken;however,nomixtureadjustmentshallbeperformedunlessdonebyaqualifiedtechnicianusingproperly
functioningandcalibratedcombustionanalyzingequipment.
Fuel High Fire Low Fire Co Max PPM
Range Target
Range Target
NaturalGas
9.0–10.0 9.5
8.2–9.2 8.7
<150
Propane
10.3–11.3 10.8
9.3–10.3 9.8
<250
Table 1 Combustion test target ranges - CO
2
/ Maximum CO
Note:LowFireCO
2
shouldbeatleast0.5%lowerthanHighFireCO
2
.
2 |