Ferroli BlueHelix HiTech RRT C Instructions For Use, Installation & Maintenance page 44

Fan replacement
• Disconnect the power supply and close the gas cock ahead of the valve.
• Remove the fan electrical connections.
• Undo the screws "1" and gas pipe connection "2".
• Remove the venturi "3".
1
1
Water pressure switch replacement
Before carrying out the following instructions it is advisable to protect the room and the boiler's electrical box
A
against accidental water spillage.
• Disconnect the power supply and close the gas cock ahead of the valve.
• Drain the water from the heating circuit.
• Remove the pressure transducer connector and retaining clip "1".
• Remove the pressure transducer "2".
44
2
fig. 56
2
1
cod. 3541V691 - Rev. 00 - 04/2022
BlueHelix HiTech RRT C
fig. 58
fig. 57
EN