Energy Saving

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The warning light (LED), if lighted, indicates that the power supply is present.
3.3 Start
CAuTION!
Absolutely avoid dry operation. Start the pump only after having
completely filled the plant.
The pump can be noisy at start due to the presence of air. Such noise should stop
after few minutes of operation. usually air is drained from the pump after short
time.
CAuTION!
Do not touch the fluid or the pump when the temperature is greater
than 60 °C. hazard of scalding by simple contact.
the plant cannot be drained by using the pump.
Settings concerning pump performance
With the help of the selector potentiometer (fig. M), set the performance of the
pump (head) according to the needs.
The selector is set by the manufacturer on the position marked by a dot and
the letter R. This setting is suitable for 80% of all one-family houses. Should this
performance be insufficient, progressively increase the set value. Should this
performance be excessive or should noise arise due to the speed of the pumped
fluid, progressively reduce the calibration.
Modify the performance of the pump (head) by rotating the selector potentiometer
using a flat screwdriver, as given in the following table:
adjustment Performance
factory Setting
Proportional pressure control
The performance of the pump are suitable for most of heating
plants in domestic buildings (approximately 80% of systems).
The pump head is reduced at falling water demand and increased
at rising water demand.
The warning light (LED) is green.