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Training manual ALTEAS & GENUS ONE
6.3
MIXER
There is only one mixer for all powers. In the different powers change the gas diaphragm.
G20 / G30 / G31
6.4
GAS CHANGE
It is not necessary a conversion kit, because the boiler has an auto adaptation gas system.
Proceed as indicated:
1. Change parameter 202 to the new gas (see Technical Area). The display shows the error "The boiler
must be calibrated".
2. Perform the Calibration procedure and CO2 verification.
3. At the end apply, near the data plate, the new label (supplied with the product) indicated the new gas
type used.
DURING THE CALIBRATION PROCEDURE AND MEASUREMENT OF THE CO₂ VALUE, IT'S
IMPORTANT THAT THE BOILER WORKS WITH THE FRONT COVER CLOSED AND THE AIR/ FUMES
DUCTS FULLY ASSEMBLED.
Gas diaphragm diameter
12kW
Gas
(ø mm)
5.6
/ G230
18kW
25kW
30kW
(ø mm)
(ø mm)
(ø mm)
5.6
5.6
35kW
(ø mm)
6
6.3
Page. 47 of 88
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