1.
BEFORE USING ANALYSER CHECK THE FOLLOWING:
Particle filter is not dirty inside
Water trap and flue probe hose are empty of water
Water trap and red screw plug are fitted correctly to the analyser
Flue probe hose is connected properly to the flue gas inlet
Flue probe temperature plug is connected into T1 temperature connection
Please read the Safety Warnings in the User Manual
2.
FRESH AIR PURGE
Position the flue probe in fresh air, then press the “On/Off” button. The analyser auto-
calibrates for approximately 90 seconds. When complete…
Select “Ratio” on the dial.
In fresh air the CO reading = 0ppm
Select “O
2
/Eff” on the dial.
In fresh air the O
2
reading = 20.9%
Select “Status” on the dial to view the following…
STATUS display
BAT 59
11 : 46 : 29
15 / 05 / 08
CAL 283
-
Battery status. If less than 20 recharge or replace, (see section 10)
-
Current time. Can be set via the “Menu”, (see section 11)
-
Current date. Can be set via the “Menu”, (see section 11)
-
Number of days until next check and calibration is required
Note: Boiler inlet air temperature can either be…
a) Set automatically by the flue probe during the fresh air purge
or
b) Continuously measured if a thermocouple is plugged into the T2 socket
3.
COMBUSTION TESTS
Select “Ratio” on the dial to check that the analyser is set for the correct fuel. To change
fuel select MENU / SETUP / SET FUEL then use scroll and enter, (see section 11).
Position the flue probe as per the boiler manufacturer’s instructions; typically the tip of
the flue probe is inserted to the centre of the flue. The readings will stabilise after 60
seconds assuming the boiler conditions are stable.
The rotary switch can be used to display the following information…
RATIO display
NAT GAS
R 0.0001
CO
P
12
CO
2
% 8.8
-
Fuel type can be changed via “Menu”, (see section 11)
-
CO/CO
2
ratio
-
Carbon Monoxide, (ppm)
-
Carbon Dioxide, (%)
Press SEND to print a full combustion test. (Also sends to PC if Wireless module fitted).
Hold SEND for 2+ seconds to log a full combustion report.
Summary of Contents for 455
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