User Manual

Selector aNd diSplay parameterS oN uei SmartBell pluS
“ZeRO”–Analyzerisperformingtheinitialzerosetting
CO(CarbonMonoxide)–Directreadingofthecarbondioxidesensordisplayed
inpartspermillion(ppm)
CO2(CarbonDioxide)–Directreadingofthecarbonmonoxidesensordisplayed
inpercentage(%)
O2 (Oxygen)–O2iscalculatedforeachfueltypefromtheCO2measurement.It
assumes that the combustion process is running fuel lean. It is important to make other
measurements to confirm that this assumption is always correct.
X-Air (ExcessAir)–ExcessAiriscalculatedforeachfueltypefromtheCO2measure-
ment. It assumes that the combustion process is running fuel lean. It is important to
make other measurements to confirm that this assumption is always correct.
TFlue (FlueTemperature)–TFlueisadirectmeasurementofthetemperatureatthetip
of the flue probe. This measurement is used to determine the net temperature for use in
calculation of combustion efficiency.
Eff(Efficiciency)–Calculatedcombustion(notappliance)efficiencybasedonmeasurements
ofCO2,FlueTemperatureandfuelselected.TheSmartBellcalculatesgrosscombustion
efficiency and automatically determines if the combustion is in the condensing mode to make
appropriate corrections.
BAT symbol-DisplaystheBatterypoweravailable.
HIGH Displaysatstandby/poweroffifCOlevelsaregreaterthan20ppm.
NOTE: If turning unit off countdown will resume once CO levels are lesser
than 20ppm.
Fuels Available
GLOSSARY
11
Selector Position Display Type
L Oil LOIL Light Oil
Propane PrOP Propane
Nat Gas n6AS Natural Gas
H Oil HOIL Heavy Oil
Wood vOOd Wood