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3.9 MAIN COMPONENTS DISASSEMBLY
Front panel
•
Isolate the appliance electrically by disconnecting it from the electrical
socket;
•
remove the two fixing screws at the base of the panel;
•
unhook the bolts in the upper part;
•
remove the front panel from the boiler body taking care not to damage
the pressure gauge: first lift it upwards and then away from the boiler
body.
manometer
•
Isolate the appliance electrically by disconnecting it from the electrical
socket and closing the heating circuit and gas taps;
•
remove the plastic filter on the flow connection and completely empty
the CH circuit of the boiler;
Completely drain the heat exchanger not to flood the boiler
during the next phases.
•
remove the front panel;
•
remove the screws (4x) of the fixing plate (1);
•
remove the pressure gauge tube locking screw (2);
•
Press the tabs (located behind the plate) to release the pressure gauge
(3).
pCb
•
Isolate the appliance electrically by disconnecting it from the electrical
socket;
•
remove the front panel;
•
remove the plastic protection by pressing the tab (1);
•
disconnect the electrical wiring on the PCB;
•
remove the fixing screw (2) and remove the electronic board.
Gas valve
•
Isolate the appliance electrically by disconnecting it from the electrical
socket;
•
close the gas valve;
•
remove the front panel;
•
disconnect the gas valve electric cable (1);
•
unscrew the screws (3x) that fix the gas valve (2);
•
remove the valve taking care not to damage the sealing O-rings.
Combustion fan
•
Insulate the device by disconnecting it from the electrical outlet;
•
close the gas valve;
•
remove the front panel and the gas valve;
•
disconnect the fan’s power cable from the PCB;
•
unstraw the straws(3x) that bolt the fan (1) and remove the fan.
Latches
①
②
Press to
release (3)
1
1
2
ATTENTION
2
1
Power cable (1)
2
2
1
