NOTE: In accordance with BS7967 and EN50379 the value of the CO/
CO
2
RATIO is shown to 4 decimal places.
R 0.0008
→
NOTE: 0.0008 is less than 0.004.
R 0.0040
→
Many manufacture’s instructions show
this as 0.004.
AUX display
COn 021
→
The AUX (auxillary) can be customised
via MENU AUX.
O
2
% 05.0
The parameters are displayed in 2
pages of 2 lines and can be set by the
user.
They remain the AUX parameters until
changed by the user.
Press the SEND/PRINT button for 1 second to print the full combustion
test.
Press and hold the SEND/PRINT button for approximately 2 seconds to
store the combustion test in the memory.
Press the BACKLIGHT key for one second to “freeze” the readings
before printing.
O2/EFF display
O
2
% 05.0
→
Oxygen (%) left after combustion.
Should be 20.9% +0.1% in fresh air
EFC 98.2
→
‘Net’, ‘Gross’, or ‘Condensing’
combustion efficiency (%) can be
selected via “Menu”
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