Installation & Servicing instructions ATAG iC-Range
43
Step 2: CO
2
check on low load
Set the low load
The low load of the boiler can be set by you as follows:
- Press on the - button until the minimum value (0%) has been reached (low load)
- Use the measuring tool to carry out a CO
2
control measurement. The detected values must lie in the
measuring range shown below.
The CO
2
value at low load must be lower than the CO
2
value at full load. The measuring procedure must
be carried out, until a constant measuring result is achieved. Please contact ATAG, if the values should lie
outside of the applicable tolerances.
End of measuring:
- Press the ESC button ( button).
The device switches off .
The display shows for 2 seconds code 180 or 181.
This completes the procedure.
The maximum duration of the commissioning function, without interruption, is 8 minutes.
Measuring point CO
2
Figure 15.1.a
a
CO
2
check on low load (Step 2)
Low load Natural gas (G20) Propane (G31)*
CO
2
Example readings
Full load recorded Accepted low range Full load recorded Accepted low range
9.6% 9.3% - 7.5% 11.0% 10.9% - 8.9%
9.5% 9.2% - 7.5% 10.9% 10.8% - 8.9%
9.4% 9.1% - 7.5% 10.8% 10.7% - 8.9%
9.3% 9.0% - 7.5% 10.7% 10.6% - 8.9%
9.2% 8.9% - 7.5% 10.6% 10.5% - 8.9%
9.1% 8.8% - 7.5% 10.5% 10.4% - 8.9%
9.0% 8.7% - 7.5% 10.4% 10.3% - 8.9%
8.9% 8.6% - 7.5% 10.3% 10.2% - 8.9%
8.8% 8.5% - 7.5% 10.2% 10.1% - 8.9%
8.7% 8.4% - 7.5% 10.1% 10.0% - 8.9%
8.6% 8.3% - 7.5% 10.0% 9.9% - 8.9%
9.9% 9.8% - 8.9%
Values are valid with closed cover/air box.
* Only possible if LPG conversion kit is installed!
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