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ROTARY DIAL POSITIONS
Displays the battery level and the number of days until
STATUS
calibration is due
AUX
Displays up to two pages of two lines that toggle for custom
setting
Displays calculated Oxygen values and the calculated
O
/ Eff
2
efficiency when O
EFFn, EFFg or EFFc as selected by the user.
Displays Carbon Dioxide in % and Carbon Monoxide in ppm
CO
&CO
2
Displays the CO/CO2 ratio and the selected fuel type
RATIO
Displays the flue (Tf) and inlet (Ti) temperatures in
TEMP
If the flue probe's temperature sensor is broken or open circuit
Tf displays
SET FUEL, select the boiler/furnace fuel using UP/DOWN and
FUEL
ENTER keys. Preprogrammed fuels: NAT GAS, Light Oil,
PELLETS(wood), BUTANE, L.P.G., Heavy Oil, User
Displays the date and time
DATE /
TIME
values are less than 18%
2
o
-OC-
C
o
o
F or
C .
Page 13
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