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34
0
120
60
90
40
4
2
0
1
3
MALFUNCTIONS AND ADJUSTMENTS
Should the boiler shut down it must be reset by rotating function selector to the reset position
A
.
In fault conditions, the reset will occur after the fault has been repaired.
A
Constant light: Ignition shutdown
Constant light: - no water circulation
- modulating coil
Fast flashing light: Sensor fault
Slowly flashing light: Air pressure switch
Fast flashing light: TST shutdown
RLA
Timer
On
LPG
Off
METHANE
On
(post-circ. off)
heating
Off
post-circ.
on
2.5 minutes
JP2
JP1
Resistor R150 cut, floor heating temp. set to 30/40
°
C.
Resistor R150 uncut, heating temperature 35/80
°
C.
Increase
Increase
Legend:
Off
On
Slow ignition adjustment
Boiler timer adjustment
R max
Increase
Max. heating power adjustment
Timer
RLA
JP1
Rmax
JP2
X
fig.5
The boiler adjustment system is constantly monitorized by an electronic control unit signalling the possible faults by
intermittant or continuos luminous warning signals to the leds situated on the front panel (fig.5) which are:
●
Shutdown warning led (1)
●
ON/OFF led (2)
●
Fault warning led (3)
3
1
ON/OFF
2