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Remeha Tzerra Ace
Control and adjustment of combustion
Switch on at full load
Press the R and - keys at the same time to select the chimney sweep mode.
The device is now running at low load. wait a moment until L appears in the display.
Press the key twice
The device is now running at full load. Wait a moment until H appears in the display.
Control/set valuesO2 Full load
Tzerra Ace
O2 (%) 3.5 - 4.0
Follow these steps:
- Set the boiler to full load. Measure the percentage of O2. Compare the measured values with those below.
Turn screw A counterclockwise for a lower percentage.
Adjust to full load
See drawing for the position of the adjustment screw A for full load.
Control/set valuesO2 Low load
Tzerra Ace
O2 (%) 4,7 - 5,2
Follow these steps:
- Set the boiler to low load. Measure the percentage of O2. Compare the measured values with those below.
Turn screw B counterclockwise for a lower percentage.
Adjust to Low load
See drawing for the position of the adjustment screw B for Low load.