Ferroli BLUEHELIX TECH RRT 30 H Instrucciones De Uso página 191

BLUEHELIX TECH RRT 30 H
Circulating pump
Before carrying out the following instructions it is advisable to protect the room and the boiler's electrical box
A
against accidental water spillage.
1
2
fig. 38
• Disconnect the power supply and close the gas cock ahead of the valve.
• Electrically disconnect the circulating pump, releasing the connections by raising the detail "1" in fig. 38.
• Drain the water in the boiler (see "System draining" on page 162).
• Unscrew and remove the circulating pump motor assembly (fig. 40)
Replacing the main exchanger
Before carrying out the following instructions it is advisable to protect the room and the boiler's electrical box
A
against accidental water spillage.
3
1
• Disconnect the power supply and close the gas cock ahead of the valve
• Disconnect the fume sensor connector
• Disconnect the fan connector
• Disconnect the connector of the ignition electrode connected to the board.
EN
fig. 39
4
1
2
1
2
fig. 41- Main exchanger
cod. 3541C672 - Rev. 00 - 09/2020
3
1
fig. 40
5
5
6
5
5
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