6 720 818 788 (2015/11)
Maintenance (only by qualified technicians) | 17
Checking its operation:
To check the proper operation of the combustion gas control
device, proceed as follows:
▶
Remove the combustion gas duct.
▶ Replace it with a duct (with approximately 50cm)
obstructed at the end.
▶ The duct should be placed vertically.
▶ Operating the appliance at nominal output and with the
water regulator set at maximum temperature.
In these conditions, the device should switch off after two
minutes maximum.
▶ Remove the duct and place the combustion gas duct again.
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