Mira Sport Installation, Operation, Maintenance Manual page 25

4. Heater Tank - Removal and Installation
WARNING! Isolate the electrical and water supplies before removing the cover. Mains
electricity connections are exposed when the cover is removed.
4.1. Remove the three cover retaining screws, the cover and the service tunnel.
4.2. Remove the hose from the outlet connector and loosen the connection to the inlet
connector assembly.
4.3. Remove the terminal block by unscrewing the fixing screw.
4.4. Remove the splash guard located between the heater tank and the flow valve
assembly
4.5. Remove the screws (2 off) that hold the inlet clamp bracket in position and
remove the clamp bracket.
4.6. Remove the screws (4 off) that hold the flow valve assembly, PCB assembly and
the heater tank in position.
4.7. Carefully pull the flow valve assembly, PCB assembly and the heater tank away
from the case. Make sure that you ease the inlet connector assembly off the inlet
supply pipe.
4.8. Make a note of the positions of the wiring on top of the heater tank.
4.9. Remove the black and the red wires from the PCB.
4.10. Remove the bonding strip and thin black wire from the left side of the thermal
switch and the brown wire and thin black wires from the other side of the thermal
switch.
4.11. Remove the green and the blue wires from the top of the heater tank.
Caution! Do not press printed disc on the thermal switch as this will make the
component unserviceable.
4.12. Remove the fixing screw and remove the thermal switch.
4.13. Separate the heater tank from the flow valve assembly and PCB assembly.
4.14. Remove the outlet connector from the heater tank.
4.15. Refit the components in reverse order. Make sure that the electrical wires are
installed in the correct positions.
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