Support Bracket
Flow Switch
Flow Pipe
Fig. 47
Clip
Over Level Switch
15.0 Changing Components
Pipe Access |
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Panel | 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.
Fig. 47a
Level Switch
Condensate Pump (Cover Removed)
15.5Condensate 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.
© Baxi Heating UK Ltd 2011 | 43 |