331
EN
cod. 3541V620 - Rev. 00 - 05/2021
ALHENA TECH H
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.
fig. 51
fig. 52
1
1
2
2
3
3
4
Содержание ALHENA TECH 28 H
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