Explanation of the function buttons
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Only qualified personel who are trained for these boilers are permitted to make alterations in the controller to chronolize the boiler to the installation.
1.Display.
See following pages for further information.
2.ON-OFF Switch
This switch turns the power supply to the boiler on or off.
3.Central Heating program button. Switching the Central Heating on or off (Led on/off);
4.Hot Water program button.
Switching the Domestic Hot Water (DHW) facility on or off (Led on/off);
5.Pump program button.
When the pump program LED is ON, the pump is switched into a continuous circulation mode. When the pump mode is switched OFF, LED is off the pump is control by the boiler processor. In most situations it is best to leave the pump mode OFF and let the boiler control cycle the pump as needed.
During freezing temperatures it is possible (when there is no outside sensor connected), to manually place the circulation pump in constant circulation mode, thus reducing the chance of freezing pipes (garage, attic or other cold spaces / rooms) which are sensitive to frost.
