Installation & Servicing Instructions E-Range
30
13.2
Checking the CO
2
The CO
2
percentage is factory-set. This has to be checked at commissioning,
maintenance and faults.
This can be checked by means of the following procedure:
-
Remove the black cover of the gas valve by unscrewing the sealed screw.
-
Put the boiler into operation and take care that it can deliver its heat;
-
Press the MODE-key for 5 seconds.
-
The diplay will show COdE followed by an arbitrary number;
-
Select by means of the + or the - key the code C123;
-
Press the Store-key to confirm the code (code blinks 1 x);
-
Press the MODE-key until SERV is shown;
-
Press the STEP-key once until 1 is shown;
alternately 1 and OFF will be shown.
-
Calibrate the CO
2
meter ;
-
Place the lance of the CO
2
meter into the check point (see fig. 10);
-
Press the + key until the maximum value (in kW) is achieved;
The boiler will burn on full load (value on display in kW)
-
Check Table 8 for the correct CO
2
percentage (page 33)
-
Let the CO
2
meter do its measuring procedure.
-
Adjust, if necessary, the adjustment screw to correct the CO
2
value (see fig. 11).
Ending the CO
2
measuring procedure:
-
Press the - key until OFF is shown (keep key pressed).
With this the procedure has ended..
-
Replace the black cover on the gas valve and fix it with the screw.
checkpoint CO
2
figure 10
adjustment screw CO
2
figure 11