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1 SAFETY INSTRUCTIONS
1.1 General safety instructions
Danger
If any smoke is given off:
1. Switch off the unit.
2. Open the windows.
3. Call a qualified professional to search for the probable leak and correct it immediately.
Warning
Do not touch the flue gas ducts. Depending on the unit's settings, the flue gas duct temperature may exceed 60°C.
Warning
Do not touch the radiators for any lengthy periods of time. Depending on the unit's settings, the radiator temperature
may reach 85°C.
Warning
Be careful with domestic hot water. Depending on the unit's settings, the domestic hot water temperature may reach
65°C.
Caution
Do not leave the unit without servicing. Contact a qualified professional or subscribe to a maintenance contract for
the unit's annual servicing.
Warning
This unit is not intended to be used by people (including children) whose physical, sensory or mental capacities are
reduced or by people who do not have any experience or knowledge of the unit, unless they are monitored or have
been provided with prior instructions on the use of the unit by someone who is responsible for their safety.
Children should be supervised to ensure they do not play with the unit.
1.2 Recommendations
Caution
Only qualified professionals are authorised to work on the unit and the installation.
Comment
Check regularly that the installation is full of water and under pressure (minimum pressure 0.5 bars, recommended
pressure between 1.5 and 2.0 bars).
Comment
Ensure that the unit is accessible at all times.
Comment
Never remove or cover the information labels and plates on the unit. The information plates and labels must be
legible for the unit's full lifetime.
Caution
Do not store explosive or easily-flammable materials in the boiler room or near the boiler, even temporarily.
Caution
Use Antifreeze mode rather than power down the unit to carry out the following functions:
• Pump sticking release
• Antifreeze protection
• ACI function (depending on version)
1.3 Specific safety instructions
This unit has been designed according to European standards and directives and in particular is equipped with the
following elements:
• Safety thermostat
A safety thermostat turns off the boiler if the water temperature is too high in the primary circuit. It is imperative to find the
cause of overheating before resetting. Contact your installer.
Caution
It is forbidden to deactivate this safety device.
• NTC flue gas sensor
This device is placed on the water-exchanger flue gas.
The electronic card on the control panel turns off the boiler if the temperature exceeds 90°C.
The MMI indicates that the flue gas temperature has been exceeded. Switch off the boiler. It is imperative that you find the
cause before restarting it. Contact your installer.