Rinnai Mirai 24, Installation And User Manual

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MAIN COMPONENTS DISASSEMBLY
ELECTRICAL TRANSFORMER
1 -
Unplug the boiler.
2 -
Remove the front panel, the siphon and the PCB.
3 -
Disconnect the electrical wiring.
4 -
Remove the fixing screws (3x).
CIRCULATION PUMP
1 -
Unplug the boiler, close the inlet and outlet water valves and
drain the water from the CH pipes (act on the pressure relief
valve).
2 -
Remove the front panel and the siphon.
3 -
Unplug the pump wirings.
4 -
Remove the fixing screws (2x) at the bottom part of the casing.
5 -
Remove the CH pipe clips and the pump clip.
3-WAY VALVE
1 -
Unplug the boiler, close the inlet and outlet water valves and
drain the water from the CH pipes (act on the pressure relief
valve).
2 -
Disconnect the CH return connector.
3 -
Separate the CH return connector from the 3-way valve.
4 -
Remove the clip that fastens the CH pipe (O-ring P20) (2x).
5 -
Remove the fixing clip from the heat exchanger (O-ring P14).