PCB replacement
•Disconnect the power supply and close the gas cock ahead of the valve.
•Undo the two screws "1" and rotate the control panel.
•Raise the electrical box cover by operating on the tabs "2"
•Undo the screws "3". Raise the board by operating on the side tabs "4".
•Remove all the electrical connectors.
•Insert the new board and reconnect the electrical connections.
340
fig. 51
2
3
3
fig. 52
cod. 3541V300 - Rev. 00 - 02/2021
BlueHelix HiTech RRT C
1
1
2
4
EN