Fan Replacement; Water Pressure Switch Replacement - Ferroli BlueHelix HiTech RRT C Instructions For Use Manual

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".
fig. 54
fig. 53

Water pressure switch replacement

Before carrying out the following instructions it is advisable to protect the room and the boil-
A
er’s electrical box 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 switch connector and the retaining clip "1".
•Remove the water pressure switch "2".
fig. 55
341
EN
cod. 3541V300 - Rev. 02 - 03/2021