1. Instructions for the user
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1. Power mains connection light (green)
The light indicates that electric power is being supplied to the boiler.
2. Indication light (red)
When the light is on and fixed, it indicates that the temperature of the water in the heating system is between 25°C and
35°C. When the light is flashing, it indicates that the boiler has shut down due to a malfunction.
3. Indication light (red)
When the light is on and fixed, it indicates that the temperature of the water in the heating system is between 36°C and
45°C. When the light is flashing, it indicates that the boiler has shut down due to a malfunction.
4. Indication light (red)
When the light is on and fixed, it indicates that the temperature of the water in the heating system is between 46°C and
55°C. When the light is flashing, it indicates an air/flue gas system malfunction.
5. Indication light (red)
When the light is on and fixed, it indicates that the temperature of the water in the heating system is between 56°C and
65°C. When the light is flashing, it indicates that the boiler has shut down due to a malfunction.
6. Indication light (red)
When the light is on and fixed, it indicates that the temperature of the water in the heating system is between 66°C and
75°C. When the light is flashing, it indicates that water pressure in the boiler is too low.
7. Indication light (red)
When the light is on and fixed, it indicates that the temperature of the water in the heating system is between 76°C and
85°C. When the light is flashing, it indicates that CH water temperature is above 85°C.
8. Indication light (green)
When the light is on and fixed, it indicates that the boiler is operating in central heating mode.
When the light is flashing, it indicates that the boiler has shut down due to a malfunction.
9. Boiler operation mode / reset knob
When the knob is set to the “OFF” position, the boiler is in stand-by mode.
When the knob is set to the “summer” position, the boiler supplies DHW only.
When the knob is set to the “winter” position, the boiler supplies both CH and DHW.
When the knob is set to the “anti-freezing” position, only the boiler anti-freezing function is active.
When the knob is turned to the “reset” position and back, the boiler resumes operation after burner shutdown.
10. DHW temperature knob
The knob sets DHW temperature between a minimum of 35°C and a maximum 57°C.
WARNING
DHW temperature supplied by the boiler depends on the positioning of the knob, and is also determined by the amount
of water requested by the user and the temperature of water mains.
11. CH water temperature knob
The knob adjusts CH water temperature between a minimum of 35°C and a maximum 78°C.
12. Water pressure gauge
It shows water pressure in the heating system.
13. AQUA PREMIUM switch
The switch turns AQUA PREMIUM system ON or OFF. When set to the ON position, the water tank is operating and the
boiler supplies DHW through AQUA PREMIUM system. When set to the OFF position, the water tank is inactive and the
boiler supplies instantaneous DHW.
1.1. Control panel
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