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automatic stop the burner in case the average air outlet temperature overheat above the pre- set value imposed by the
regulation.
The set point at 100°C, is fixed by the manufacturer.
This set point must not be changed
to avoid the overheating
of the warm air heater.
Its intervention stops the burner, while the fan keeps turning to cool the heat exchanger.
Reset thermostat LIMIT2 (STB)
Ø
wait the air outlet temperature drops down until the fan stops
Ø
push the reset green button
Ø
LIMIT (TW)-
Temperature limit thermostat for the burner, normally closed , to automatic stop the burner when
the average air outlet temperature exceeds the pre-set value. In types from XO-XEO400 up to XO-XEO620 a LIMIT,
when intervening, stops both burners. The set point, fixed by the manufacturer inside the casing, is at 70°C; and
can be increased maximum at 80°C. The LIMIT reset is automatic, when air outlet temperature drops of about
14°C, below his set point.
Unscrew the
blind nut (1)
Press the reset
button (2)
Screw the
blind nut (1)
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