Ferroli BlueHelix HiTech RRT H Instrucciones De Uso, Instalación Y Mantenimiento página 334

Extraordinary maintenance and replacement of components
After replacing the gas valve, burner, electrode and PCB, it is necessary to do the calibration
[AUTO SETUP] procedure (see "Calibration procedure [AUTO SETUP]" on page 326). Then fol-
low the instructions in the paragraph "Checking the combustion values" on page 325.
Gas valve replacement
• Disconnect the power supply and close the gas cock ahead of the valve.
• Disconnect the electrical connectors "1" (fig. 43).
• Disconnect the gas supply pipe "2" (fig. 43)
• Undo the screws "3" (fig. 44)
• Remove the gas valve "4" and the gas diaphragm "5" (fig. 45).
• 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. 43
334
BlueHelix HiTech RRT H
cod. 3541V480 - Rev. 00 - 04/2021
3
fig. 44
5
4
fig. 45
EN