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INSTRUCTIONS PERTAINING TO THE INSTALLER
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the chimney sweep function can be activated by proceeding as described below:
1) Press the (2-3) together until the pointer “ ” appears on the display alongside the symbol (about 3
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in central heating mode.
2) Press either of the buttons to exit the function
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Figure 18a
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18. ACTIVATING THE CHIMNEY SWEEP FUNCTION
19. ANNUAL SERVICE
The thermal fuse is positioned on the rear of the heat exchanger as shown in the figure, is electrically con-
nected in series with the safety thermostat. Its function is to protect the exchanger from overheating in case
of insulation failure. When this occurs the device appears on the display the anomaly
E110
. If the cause is
due to the rupture of the isolation it is necessary to remove the heat exchanger and replace the rear isolation
and the thermal fuse.
20. THERMAL FUSE REPLACEMENT OF HEAT EXCHANGER
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Figure 18b