62
Flow switch
•
Electrically isolate the appliance by disconnecting it from the electrical
socket and closing the cocks of the heating and gas circuit;
•
remove the plastic filter on the delivery nozzle and completely empty
the CH circuit of the boiler;
Empty the exchanger completely so as not to flood the
boiler in the subsequent disassembly phases.
•
remove front panel and PCB;
•
unscrew the anchor screw of the coupling and the cold water inlet
union to the chassis (1);
•
remove the fixing clip of the joint to the sanitary exchanger (2);
•
remove the joint.
Hot water connection joint
•
Electrically isolate the appliance by disconnecting it from the electrical
socket and closing the cocks of the heating and gas circuit;
•
remove the plastic filter on the delivery nozzle and completely empty
the CH circuit of the boiler;
Empty the exchanger completely so as not to flood the
boiler in the subsequent disassembly phases.
•
remove the front panel;
•
remove the hot water sensor fixing clip (1);
•
remove the fixing clip of the joint to the sanitary exchanger (2);
•
remove the fixing clip of the joint to the filler (3);
•
remove the joint.
Expansion vessel
•
Electrically isolate the appliance by disconnecting it from the electrical
socket and closing the cocks of the heating and gas circuit;
•
remove the plastic filter on the delivery nozzle and completely empty
the CH circuit of the boiler;
Empty the exchanger completely so as not to flood the
boiler in the subsequent disassembly phases.
•
remove the front panel;
•
remove the fixing clips of the connection tube to the expansion vessel
(1);
•
unscrew the anchoring screws of the expansion vessel to the chassis
(2);
•
remove the vessel.
Front view
Bottom view
1
2
1
ATTENTION
2
3
1
ATTENTION
1
2
2
ATTENTION