Download Worcester GREENSTAR 30 HE Technical data

Converting the appliance to different gas types
7.2
7.2.1
i
Testing combustion air/flue gas at
set heat output
Testing the O2 or CO2 level in the combustion air
By testing the O2 or CO2 level in the combustion air the gas tightness of a type C 13
or C33 flue system can be checked. The
O2 level must not be less than 20,6 %.
The CO2 level must not exceed 0,2 %.
B Press and hold the
button until the display
shows – –.
“Chimney sweep” mode is now active.
The
button will light up and the display shows the
CH flow temperature.
i
In “chimney sweep” mode, the appliance
switches to max. rated heat output or the
set heating output. You then have 15 minutes in which to measure the levels. After
that, the appliance switches back from
“chimney sweep” mode to normal mode.
7.2.2
Testing CO and CO 2
B Press and hold the
button until the display
shows – –.
“Chimney sweep” mode is now active.
The
button will light up and the display shows the
CH flow temperature.
i
You have 15 minutes in which to measure
the levels. After that, the appliance switches back from “chimney sweep” mode to
normal mode.
B Remove sealing plug from flue gas testing point
(234, fig. 50).
B Insert testing probe about 135 mm into the testing
point and seal testing point.
B CO- and CO2 levels.
B Refit sealing plug.
B Press and hold
button until the display shows – –.
The
button will stop flashing and the display
shows the CH flow temperature.
B Remove sealing plug from combustion air testing
point (234.1, fig. 50).
B Insert testing probe about 80 mm into the testing
point and seal testing point.
2 3 4
2 3 4 .1
6 7 2 0 6 1 0 3 3 2 -6 5 .2 R
Fig. 50
B Measure O2 and CO2 levels.
B Refit sealing plug.
B Press and hold
button until the display shows – –.
The
button will stop flashing and the display
shows the CH flow temperature.
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