Ferroli BlueHelix HiTech RRT H Instructions For Use & Installation page 357

BlueHelix HiTech RRT H
Extraordinary maintenance and replacement of components
After replacing the gas valve, burner, electrode and PCB, it is necessary to do the calibration pro-
cedure [AUTO SETUP] (see "Calibration procedure [AUTO SETUP]" on page 348). Then follow
the instructions in par. "Checking the combustion values" on page 347.
Gas valve replacement
• Disconnect the power supply and close the gas cock ahead of the valve.
• Disconnect the electrical connectors "1" (fig. 44).
• Disconnect the gas supply pipe "2" (fig. 44)
• Undo the screws "3" (fig. 45)
• Remove the gas valve "4" and the gas diaphragm "5" (fig. 46).
• Fit the new valve, carrying out the above steps in reverse order.
• Refer to the instruction sheet included in the kit when replacing the gas diaphragm.
2
1
fig. 44
3
fig. 45
EN
5
cod. 3541V484 - Rev 00 - 07/2022
5
4
fig. 46
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