Ferroli SUN M 50 Mode D'emploi, Installation Et Entretien page 49

SUN M50 - M70
4 fl ashes
h h h h
5 fl ashes
h h h h h
6 fl ashes
h h h h h h
7 fl ashes
h h h h h h h
8 x fl ashes
h h h h h h h
9 fl ashes
h h h h h h h h h
10 fl ashes
h h h h h h h h h h
14 fl ashes
h h h h h h h h h h h h h h
In troubleshooting conditions the device remains deactivated.
- The burner is off
- The indication of external fault remains deactivated
- The "AL" alarm signal at terminal 10 is powered
To reactivate the device and start a new cycle press the reset button for 1 sec.
(< 3 sec).
Checks and adjustments during operation
• Connect a combustion analyser to the boiler outlet and leave the burner working at max. for 10
minutes; meanwhile, check the efficiency of the fume exhaust duct.
• Carry out the combustion check and possible adjustment firstly in 2nd stage and then in 1st stage.
• Slowly adjust the gas valve (see fig. 7) until obtaining the required excess air value for operation,
checking the O
less than 2.5% (risk of polluting combustion) and must not exceed 5%.
• Carry out several lightings in succession. In case of flame flickering or difficult lighting, also adjust
the air by means of the servomotor cams, making sure to always check the O
combustion analyser.
• Make sure the pressure in the combustion chamber is that indicated by the boiler manufacturer
• Do a complete analysis of the combustion fumes and check compliance with the limits set by current
standards.
GB
Table of error codes
On
Extraneous light at start of burner
On
"LP" not switched in the required time
- "LP" is fi xed in work position
On
Not in use
On
Too many fl ame losses during operation (limitation of number
of repeats)
- Fuel valve fault
- Flame detector faults or poor earthing
- Faulty burner adjustment
On
Not in use
On
Not in use
Off
Error in connections or internal error, output contacts, other
problems
On
CPI contact not closed
in the fumes with a combustion analyser. The O
2
Cod. 35447686 - 04/2008 (Rev. 00)
content in the fumes must not be
2
in the fumes with a
2
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