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15.0 Changing Components
43
© Baxi Heating UK Ltd 2011
15.3 Flowswitch (Fig. 47)
1. Drain the boiler (see Section 13.1 paragraph 2 & 3).
2. Remove the pipe access panel and remove the securing
clip from the ‘O’ ring joint between the flow pipe and the
system. Undo screws on support bracket.
3. Remove the securing clip from the ‘O’ ring joint
between the flow pipe and the flowswitch.
4. Remove the two screws securing the flow switch to the
boiler.
5. Disconnect the inline electrical connection and remove
the flowswitch.
6. Fit the new flowswitch and reassemble in reverse order.
7. Recommission the boiler and check the inhibitor
concentration (see Section 6.2 and 10.1).
15.4 Condensate Pump - Complete (Fig. 47a)
1. Remove the pipe from the trap to the pump inlet and
disconnect the electrical plug.
2. Lift the pump off the support studs and ease it
forwards. Release the snap fit clip and disconnect the
condensate outlet pipe.
3. Connect the condensate outlet pipe to the new pump
using the new clip provided.
4. With the new pump in place on the studs, refit the trap
discharge pipe, ensuring the ‘O’ ring is in place. Reconnect
the electrical plug.
5. Neatly coil the excess condensate outlet pipe adjacent
to the pump, ensuring that it is not kinked or restricted.
6. Check operation of the pump - See Section 10.2.
15.5 Condensate Pump - Level Switches
(Fig. 47a)
1. Remove the complete Condensate Pump as described
in Section 13.4, and remove the cover.
2. Disconnect the wires from the switch(es) and remove
the retaining screws. On the Level Switch remove the
circlip and washers connecting the plunger to the
actuating arm.
3. Fit the new switch(es). Align the actuating arm of the
Level Switch with the plunger, ensuring that there is a
washer at each side of the arm.
4. Reconnect the wires. On the Over Level Switch there
is no connection to the lower spade terminal.
5. Check operation of the pump - See Section 10.2.
Flow Switch
Clip
Flow Pipe
Fig. 47
Support Bracket
Condensate Pump
(Cover Removed)
Level Switch
Over Level Switch
Pipe Access
Panel
Fig. 47a