Cleaning The Siphon; Remounting The Burner - Baxi POWER HT+ Series Installation And Service Manual

Fig. Distances and tolerances to be ob­
144 served for the ignition electrode and
the ground electrode
D D istance
Ignition electrode and ground electrode
Fig. Removing the siphon
145
4
3
5
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7.
Tab.62 Distances and tolerances to be observed for the ignition electrode
and the burner
POWER HT+ 1.50, POWER HT+ 1.70, POWER HT+ 1.90,
POWER HT+ 1.110
4 mm with a tolerance of +/- 0.5 mm
Check the distance between the ignition electrode and the ground
electrode.
Note
Replace the ignition electrode if it is damaged.
8. Check whether the insulation on the inside surface of the burner is
damaged in any way. The surface must be clean and free of any
damage. Replace the insulation if it is damaged.
9. Remount the burner.
See
Remounting the burner, page 111

10.2.5 Cleaning the siphon

1. Remove the burner.
See
Removing the burner, page 107.
2. Access the siphon.
See
Accessing the internal boiler components, page 37
3. Disconnect the pipe from the combustion chamber (only on POWER
HT+ 1.50 and POWER HT+ 1.70).
4. Disconnect the pipe from the exchanger for the flue gases.
5. Disconnect the condensates discharge pipe.
Note
Use a pair of pliers to remove the spring tightening clamps.
6. Remove the siphon from the heating body by taking out the retaining
screw with a cross-head screwdriver.
7. Clean the bottom of the siphon with water.
8. Completely fill the siphon.
Danger
Fill the siphon to the top. If the siphon is empty, there is a danger
of intoxication by exhaust gases.
9. Put the siphon back on the heating body and put the retaining screw
back in place with a cross-head screwdriver.
10. Reconnect the pipe from the combustion chamber, the pipe from the
exchanger for the flue gases and, finally, the condensates discharge
pipe.
Note
Use a pair of pliers to put the spring tightening clamps back in
place.
11. Remount the burner.
See
Remounting the burner, page 111.

10.2.6 Remounting the burner

1. Remount the pipe connecting the gas valve to the Venturi unit.
2. Remount the burner, the Venturi and the fan.
10 Maintenance
111