BlueHelix HiTech RRT C
44
EN
cod. 3541V691 - Rev. 00 - 04/2022
Fan replacement
•
Disconnect the power supply and close the gas cock ahead of the valve.
•
Remove the fan electrical connections.
•
Undo the screws
“1”
and gas pipe connection
“2”
.
•
Remove the venturi
“3”
.
fig. 56
fig. 57
Water pressure switch replacement
A
Before carrying out the following instructions it is advisable to protect the room and the boiler’s electrical box
against accidental water spillage.
•
Disconnect the power supply and close the gas cock ahead of the valve.
•
Drain the water from the heating circuit.
•
Remove the pressure transducer connector and retaining clip
“1”
.
•
Remove the pressure transducer
“2”
.
fig. 58
1
1
2
1
2
Содержание 47-267-74
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