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5.4.
Remove the screws that hold the inlet clamp bracket in position and remove the
clamp bracket.
5.5.
Remove the screws that hold the flow valve, switch assembly and heater tank
in position.
5.6.
Carefully pull the flow valve, switch assembly and heater tank away from the
case. Make sure that you ease the inlet connector assembly off the inlet supply
pipe.
5.7.
Remove the brown and red wires from one side of the thermal switch and the
second brown wire from the other side of the thermal switch.
5.8.
Remove the fixing screw then remove the thermal switch and green earth
bonding wire.
Caution!
Do not press printed disc on the replacement thermal switch as this
will make the component unserviceable.
5.9.
Refit the components in reverse order. Make sure that the electrical wires are
installed in the correct positions. In particular the green earth bonding wire must
be reconnected above the thermal switch flange.
6. Inlet Filter - Replacement
Warning!
Make sure that the electrical supply is turned off at the mains and the
appropriate circuit fuse is removed. Mains electrical connections are exposed when
the cover is removed. Turn off inlet water supply.
6.1.
Remove the three cover retaining screws, the cover and the service tunnel.
6.2.
Remove the screws that hold the inlet clamp bracket in position and remove the
clamp bracket.
6.3.
Loosen the screws that hold the flow valve and switch assembly and the heater
tank in position.
6.4.
Carefully pull the flow valve and switch assembly and the heater tank away from
the case. Make sure that you ease the inlet connector off the inlet supply pipe.
6.5.
Pull off the inlet connector complete with
'O' seal. Use a suitable tool to withdraw
the inlet filter. Discard the inlet filter.
6.6.
Clean/renew the inlet filter.
6.7.
Refit the components in reverse order.
Inlet Filter - Replacement
Inlet Connector
Clamp Bracket
Inlet Filter
'O' Seal
